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data-event-name="pinnable-header.vector-toc.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">hide</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">(Top)</div> </a> </li> <li id="toc-Definition" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Definition"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Definition</span> </div> </a> <ul id="toc-Definition-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Formation" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Formation"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Formation</span> </div> </a> <ul id="toc-Formation-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Environmental_impact" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Environmental_impact"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Environmental impact</span> </div> </a> <ul id="toc-Environmental_impact-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Examples" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Examples"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Examples</span> </div> </a> <button aria-controls="toc-Examples-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Examples subsection</span> </button> <ul id="toc-Examples-sublist" class="vector-toc-list"> <li id="toc-Hawaii" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Hawaii"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.1</span> <span>Hawaii</span> </div> </a> <ul id="toc-Hawaii-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Notable_ravines" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Notable_ravines"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2</span> <span>Notable ravines</span> </div> </a> <ul id="toc-Notable_ravines-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>References</span> </div> </a> <button aria-controls="toc-References-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle References subsection</span> </button> <ul id="toc-References-sublist" class="vector-toc-list"> <li id="toc-Citations" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Citations"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.1</span> <span>Citations</span> </div> </a> <ul id="toc-Citations-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Bibliography" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Bibliography"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.2</span> <span>Bibliography</span> </div> </a> <ul id="toc-Bibliography-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Table of Contents" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Ravine</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 47 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-47" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">47 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A5%D9%81%D8%AC%D9%8A%D8%AC" title="إفجيج – Arabic" lang="ar" hreflang="ar" data-title="إفجيج" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Barranco" title="Barranco – Aragonese" lang="an" hreflang="an" data-title="Barranco" data-language-autonym="Aragonés" data-language-local-name="Aragonese" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-av mw-list-item"><a href="https://av.wikipedia.org/wiki/%D0%9A%D3%80%D0%BA%D3%80%D0%B0%D0%BB" title="КӀкӀал – Avaric" lang="av" hreflang="av" data-title="КӀкӀал" data-language-autonym="Авар" data-language-local-name="Avaric" class="interlanguage-link-target"><span>Авар</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Yar%C4%9Fan" title="Yarğan – Azerbaijani" lang="az" hreflang="az" data-title="Yarğan" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%A6%D1%8F%D1%81%D0%BD%D1%96%D0%BD%D0%B0" title="Цясніна – Belarusian" lang="be" hreflang="be" data-title="Цясніна" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9F%D1%80%D0%BE%D0%BB%D0%BE%D0%BC" title="Пролом – Bulgarian" lang="bg" hreflang="bg" data-title="Пролом" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Klanac" title="Klanac – Bosnian" lang="bs" hreflang="bs" data-title="Klanac" data-language-autonym="Bosanski" data-language-local-name="Bosnian" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Barranc" title="Barranc – Catalan" lang="ca" hreflang="ca" data-title="Barranc" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Rokle" title="Rokle – Czech" lang="cs" hreflang="cs" data-title="Rokle" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Tobel" title="Tobel – German" lang="de" hreflang="de" data-title="Tobel" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Kuristik" title="Kuristik – Estonian" lang="et" hreflang="et" data-title="Kuristik" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%A7%CE%B1%CF%81%CE%AC%CE%B4%CF%81%CE%B1" title="Χαράδρα – Greek" lang="el" hreflang="el" data-title="Χαράδρα" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Barranco_(geograf%C3%ADa)" title="Barranco (geografía) – Spanish" lang="es" hreflang="es" data-title="Barranco (geografía)" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Ravino" title="Ravino – Esperanto" lang="eo" hreflang="eo" data-title="Ravino" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%AA%D9%86%DA%AF%E2%80%8C%D8%AF%D8%B1%D9%87" title="تنگ‌دره – Persian" lang="fa" hreflang="fa" data-title="تنگ‌دره" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Ravin" title="Ravin – French" lang="fr" hreflang="fr" data-title="Ravin" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-gd mw-list-item"><a href="https://gd.wikipedia.org/wiki/Cadha" title="Cadha – Scottish Gaelic" lang="gd" hreflang="gd" data-title="Cadha" data-language-autonym="Gàidhlig" data-language-local-name="Scottish Gaelic" class="interlanguage-link-target"><span>Gàidhlig</span></a></li><li class="interlanguage-link interwiki-inh mw-list-item"><a href="https://inh.wikipedia.org/wiki/%D0%A7%D3%80%D0%BE%D0%B6" title="ЧӀож – Ingush" lang="inh" hreflang="inh" data-title="ЧӀож" data-language-autonym="ГӀалгӀай" data-language-local-name="Ingush" class="interlanguage-link-target"><span>ГӀалгӀай</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Jaruga" title="Jaruga – Croatian" lang="hr" hreflang="hr" data-title="Jaruga" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Ravino" title="Ravino – Ido" lang="io" hreflang="io" data-title="Ravino" data-language-autonym="Ido" data-language-local-name="Ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Jurang" title="Jurang – Indonesian" lang="id" hreflang="id" data-title="Jurang" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Gravina_(geologia)" title="Gravina (geologia) – Italian" lang="it" hreflang="it" data-title="Gravina (geologia)" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%92%D7%99%D7%90" title="גיא – Hebrew" lang="he" hreflang="he" data-title="גיא" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%A8%D0%B0%D1%82%D2%9B%D0%B0%D0%BB" title="Шатқал – Kazakh" lang="kk" hreflang="kk" data-title="Шатқал" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Vorago" title="Vorago – Latin" lang="la" hreflang="la" data-title="Vorago" data-language-autonym="Latina" data-language-local-name="Latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Tarpeklis" title="Tarpeklis – Lithuanian" lang="lt" hreflang="lt" data-title="Tarpeklis" data-language-autonym="Lietuvių" data-language-local-name="Lithuanian" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-mk badge-Q70893996 mw-list-item" title=""><a href="https://mk.wikipedia.org/wiki/%D0%9A%D0%BB%D0%B0%D0%BD%D0%B5%D1%86" title="Кланец – Macedonian" lang="mk" hreflang="mk" data-title="Кланец" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Ravine" title="Ravine – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Ravine" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Gjel" title="Gjel – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Gjel" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Dara" title="Dara – Uzbek" lang="uz" hreflang="uz" data-title="Dara" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Uzbek" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Jar_(geografia)" title="Jar (geografia) – Polish" lang="pl" hreflang="pl" data-title="Jar (geografia)" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Ravina" title="Ravina – Portuguese" lang="pt" hreflang="pt" data-title="Ravina" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A3%D1%89%D0%B5%D0%BB%D1%8C%D0%B5" title="Ущелье – Russian" lang="ru" hreflang="ru" data-title="Ущелье" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sah mw-list-item"><a href="https://sah.wikipedia.org/wiki/%D0%A5%D0%B0%D0%BF%D1%87%D0%B0%D2%95%D0%B0%D0%B9" title="Хапчаҕай – Yakut" lang="sah" hreflang="sah" data-title="Хапчаҕай" data-language-autonym="Саха тыла" data-language-local-name="Yakut" class="interlanguage-link-target"><span>Саха тыла</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Lavanca_(scuscinnimentu)" title="Lavanca (scuscinnimentu) – Sicilian" lang="scn" hreflang="scn" data-title="Lavanca (scuscinnimentu)" data-language-autonym="Sicilianu" data-language-local-name="Sicilian" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Ravine" title="Ravine – Simple English" lang="en-simple" hreflang="en-simple" data-title="Ravine" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Soteska" title="Soteska – Slovenian" lang="sl" hreflang="sl" data-title="Soteska" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr badge-Q70893996 mw-list-item" title=""><a href="https://sr.wikipedia.org/wiki/%D0%9A%D0%BB%D0%B0%D0%BD%D0%B0%D1%86" title="Кланац – Serbian" lang="sr" hreflang="sr" data-title="Кланац" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Jaruga" title="Jaruga – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Jaruga" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Rotko" title="Rotko – Finnish" lang="fi" hreflang="fi" data-title="Rotko" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Ravin" title="Ravin – Swedish" lang="sv" hreflang="sv" data-title="Ravin" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%A2%D0%B0%D1%80%D0%BB%D0%B0%D0%B2%D1%8B%D0%BA" title="Тарлавык – Tatar" lang="tt" hreflang="tt" data-title="Тарлавык" data-language-autonym="Татарча / tatarça" data-language-local-name="Tatar" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%80%E0%B8%AB%E0%B8%A7" title="เหว – Thai" lang="th" hreflang="th" data-title="เหว" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Yar%C4%B1k" title="Yarık – Turkish" lang="tr" hreflang="tr" data-title="Yarık" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A3%D1%89%D0%B5%D0%BB%D0%B8%D0%BD%D0%B0" title="Ущелина – Ukrainian" lang="uk" hreflang="uk" data-title="Ущелина" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E6%BA%9D%E5%A3%91" title="溝壑 – Cantonese" lang="yue" hreflang="yue" data-title="溝壑" data-language-autonym="粵語" data-language-local-name="Cantonese" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E6%B2%9F%E5%A3%91" title="沟壑 – Chinese" lang="zh" hreflang="zh" data-title="沟壑" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q2042028#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Ravine" title="View the content page [c]" 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<div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Small valley, often due to stream erosion</div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">This article is about the valley formation. For other uses, see <a href="/wiki/Ravine_(disambiguation)" class="mw-disambig" title="Ravine (disambiguation)">Ravine (disambiguation)</a>.</div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Wawoz_homole2.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/87/Wawoz_homole2.jpg/260px-Wawoz_homole2.jpg" decoding="async" width="260" height="347" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/87/Wawoz_homole2.jpg/390px-Wawoz_homole2.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/87/Wawoz_homole2.jpg/520px-Wawoz_homole2.jpg 2x" data-file-width="1536" data-file-height="2048" /></a><figcaption>Homole Ravine, <a href="/wiki/Pieniny_National_Park_(Poland)" title="Pieniny National Park (Poland)">Pieniny</a>, <a href="/wiki/Poland" title="Poland">Poland</a></figcaption></figure> <p>A <b>ravine</b> is a <a href="/wiki/Landform" title="Landform">landform</a> that is narrower than a <a href="/wiki/Canyon" title="Canyon">canyon</a> and is often the product of <a href="/wiki/Stream" title="Stream">streambank</a> <a href="/wiki/Erosion" title="Erosion">erosion</a>. Ravines are typically classified as larger in scale than <a href="/wiki/Gully" title="Gully">gullies</a>, although smaller than <a href="/wiki/Valley" title="Valley">valleys</a>.<sup id="cite_ref-Dictionary_Meaning_1-0" class="reference"><a href="#cite_note-Dictionary_Meaning-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Ravines may also be called a cleuch, dell, ghout (<a href="/wiki/Nevis" title="Nevis">Nevis</a>), <a href="/wiki/Gill_(ravine)" title="Gill (ravine)">gill or ghyll</a>, <a href="/wiki/Glen" title="Glen">glen</a>, <a href="/wiki/Gorge" class="mw-redirect" title="Gorge">gorge</a>, kloof (<a href="/wiki/South_Africa" title="South Africa">South Africa</a>), and <a href="/wiki/Chine" title="Chine">chine</a> (<a href="/wiki/Isle_of_Wight" title="Isle of Wight">Isle of Wight</a>) </p><p>A ravine is generally a <a href="/wiki/Fluvial" class="mw-redirect" title="Fluvial">fluvial</a> slope landform of relatively steep (cross-sectional) sides, on the order of twenty to seventy percent in <a href="/wiki/Grade_(slope)" title="Grade (slope)">gradient</a>. Ravines may or may not have active streams flowing along the downslope channel which originally formed them; moreover, often they are characterized by intermittent streams, since their geographic scale may not be sufficiently large to support a <a href="/wiki/Perennial_stream" class="mw-redirect" title="Perennial stream">perennial stream</a>.<sup id="cite_ref-MorrisPress1992_2-0" class="reference"><a href="#cite_note-MorrisPress1992-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Definition">Definition</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ravine&action=edit&section=1" title="Edit section: Definition"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>According to <a href="/wiki/Merriam-Webster" title="Merriam-Webster">Merriam-Webster</a>, a ravine is "a small, narrow, steep-sided valley that is larger than a <a href="/wiki/Gully" title="Gully">gully</a> and smaller than a <a href="/wiki/Canyon" title="Canyon">canyon</a> and that is usually worn by running water".<sup id="cite_ref-Dictionary_Meaning_1-1" class="reference"><a href="#cite_note-Dictionary_Meaning-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Some societies and languages do not differentiate between a gully and ravine; in others, there is a distinction, particularly when concerning environmental management.<sup id="cite_ref-FOOTNOTEDagarSingh2018a9–10_3-0" class="reference"><a href="#cite_note-FOOTNOTEDagarSingh2018a9–10-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Formation">Formation</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ravine&action=edit&section=2" title="Edit section: Formation"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Gullies are often found in hilly or mountainous regions, where <a href="/wiki/Runoff_(hydrology)" title="Runoff (hydrology)">water runoff</a> is guided downhill by steep slopes and over time <a href="/wiki/Erosion" title="Erosion">erodes</a> the landscape. A ravine is the final step in gully erosion, formed when a <a href="/wiki/Stream" title="Stream">stream</a> has eroded so severely it forms a deep cut in the earth.<sup id="cite_ref-FOOTNOTEDagarSingh2018a9–10_3-1" class="reference"><a href="#cite_note-FOOTNOTEDagarSingh2018a9–10-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> A gully can be classified as a ravine after it reaches a large depth, typically in excess of 5 metres (16 ft).<sup id="cite_ref-FOOTNOTEDagar201830_4-0" class="reference"><a href="#cite_note-FOOTNOTEDagar201830-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Environmental_impact">Environmental impact</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ravine&action=edit&section=3" title="Edit section: Environmental impact"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:K%C3%BCsnachter_Tobel_Hangrutsch_unterhalb_Drachenh%C3%B6hle_1.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5b/K%C3%BCsnachter_Tobel_Hangrutsch_unterhalb_Drachenh%C3%B6hle_1.jpg/220px-K%C3%BCsnachter_Tobel_Hangrutsch_unterhalb_Drachenh%C3%B6hle_1.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5b/K%C3%BCsnachter_Tobel_Hangrutsch_unterhalb_Drachenh%C3%B6hle_1.jpg/330px-K%C3%BCsnachter_Tobel_Hangrutsch_unterhalb_Drachenh%C3%B6hle_1.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5b/K%C3%BCsnachter_Tobel_Hangrutsch_unterhalb_Drachenh%C3%B6hle_1.jpg/440px-K%C3%BCsnachter_Tobel_Hangrutsch_unterhalb_Drachenh%C3%B6hle_1.jpg 2x" data-file-width="5184" data-file-height="3888" /></a><figcaption>A landslide at <a href="/wiki/K%C3%BCsnachter_Tobel" title="Küsnachter Tobel">Küsnachter Tobel</a>, Switzerland</figcaption></figure> <p>Ravine erosion contributes heavily to land loss globally and particularly threatens agricultural lands. Additionally, soil loss contributes to pollution, flooding, and <a href="/wiki/Sedimentation" title="Sedimentation">sedimentation</a> of waterways.<sup id="cite_ref-FOOTNOTEDagar201820_5-0" class="reference"><a href="#cite_note-FOOTNOTEDagar201820-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> The formation of ravine lands can be sped up by <a href="/wiki/Deforestation" title="Deforestation">deforestation</a> and <a href="/wiki/Overgrazing" title="Overgrazing">overgrazing</a>.<sup id="cite_ref-FOOTNOTEDagar201832_6-0" class="reference"><a href="#cite_note-FOOTNOTEDagar201832-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> In Indian <a href="/wiki/Badlands" title="Badlands">badlands</a>, soil erosion is estimated to exceed a rate of 40 tonnes per hectare (16 long ton/acre; 18 short ton/acre) annually.<sup id="cite_ref-FOOTNOTEDagar201841_7-0" class="reference"><a href="#cite_note-FOOTNOTEDagar201841-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Examples">Examples</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ravine&action=edit&section=4" title="Edit section: Examples"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Hawaii">Hawaii</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ravine&action=edit&section=5" title="Edit section: Hawaii"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The <a href="/wiki/Shield_volcanoes" class="mw-redirect" title="Shield volcanoes">shield volcanoes</a> of Hawaii have significant impact on the distribution of ravines across the islands, specifically Mauna Loa and Mauna Kea, the former of which is one the most active shield volcanoes on Earth.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> Both of these volcanoes show V-shaped ravines on their flanks, solely where they have been mantled by Pahala ash. Being the older of the two, Mauna Kea displays more pronounced dissection of these ravines. Rainfall and infiltration capacity are critical to valley initiation on the Hawaiian volcanoes. Once these valleys are initiated, their streams incise to form V-shaped ravines. Eventually, they become sufficiently deep ravine systems and expose groundwater activity. The deepest of these incisions are U-shaped, theatre-headed valleys.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Notable_ravines">Notable ravines</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ravine&action=edit&section=6" title="Edit section: Notable ravines"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Kungsklyftan.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/79/Kungsklyftan.jpg/170px-Kungsklyftan.jpg" decoding="async" width="170" height="227" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/79/Kungsklyftan.jpg/255px-Kungsklyftan.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/79/Kungsklyftan.jpg/340px-Kungsklyftan.jpg 2x" data-file-width="2112" data-file-height="2816" /></a><figcaption>Kungsklyftan in Sweden</figcaption></figure> <style data-mw-deduplicate="TemplateStyles:r1184024115">.mw-parser-output .div-col{margin-top:0.3em;column-width:30em}.mw-parser-output .div-col-small{font-size:90%}.mw-parser-output .div-col-rules{column-rule:1px solid #aaa}.mw-parser-output .div-col dl,.mw-parser-output .div-col ol,.mw-parser-output .div-col ul{margin-top:0}.mw-parser-output .div-col li,.mw-parser-output .div-col dd{page-break-inside:avoid;break-inside:avoid-column}</style><div class="div-col"> <ul><li><a href="/wiki/Babi_Yar" title="Babi Yar">Babi Yar</a>, Ukraine</li> <li><a href="/wiki/Bam_Bam_Amphitheaters" title="Bam Bam Amphitheaters">Bam Bam Amphitheaters</a>, Gabon</li> <li><a href="/wiki/Barranco_de_Badajoz" title="Barranco de Badajoz">Barranco de Badajoz</a>, Spain</li> <li><a href="/wiki/Barranco_del_Infierno_(Tenerife)" title="Barranco del Infierno (Tenerife)">Barranco del Infierno</a>, Spain</li> <li><a href="/wiki/Gravina_in_Puglia" title="Gravina in Puglia">Gravina Ravine</a>, Italy</li> <li><a href="/wiki/Moola_Chotok" title="Moola Chotok">Moola Chotok</a>, Pakistan</li> <li><a href="/wiki/Ravenna_Park" title="Ravenna Park">Ravenna Park</a>, United States</li> <li><a href="/wiki/Rau%C3%B0feldsgj%C3%A1" title="Rauðfeldsgjá">Rauðfeldsgjá</a>, Iceland</li> <li><a href="/wiki/Stu%C3%B0lagil" title="Stuðlagil">Stuðlagil</a>, Iceland</li> <li><a href="/wiki/Taishaku_Valley" title="Taishaku Valley">Taishaku Valley</a>, Japan</li> <li><a href="/wiki/Toronto_ravine_system" title="Toronto ravine system">Toronto ravine system</a>, Canada</li></ul> </div> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ravine&action=edit&section=7" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Citations">Citations</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ravine&action=edit&section=8" title="Edit section: Citations"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-Dictionary_Meaning-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-Dictionary_Meaning_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Dictionary_Meaning_1-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.merriam-webster.com/dictionary/ravine">"Ravine"</a>. <i>Merriam-Webster</i><span class="reference-accessdate">. Retrieved <span class="nowrap">2 August</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Merriam-Webster&rft.atitle=Ravine&rft_id=https%3A%2F%2Fwww.merriam-webster.com%2Fdictionary%2Fravine&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARavine" class="Z3988"></span></span> </li> <li id="cite_note-MorrisPress1992-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-MorrisPress1992_2-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFChristopher_G._MorrisAcademic_Press1992" class="citation book cs1">Christopher G. Morris; Academic Press (1992). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=nauWlPTBcjIC&pg=PA1802"><i>Academic Press Dictionary of Science and Technology</i></a>. Gulf Professional Publishing. pp. 1802–. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-12-200400-1" title="Special:BookSources/978-0-12-200400-1"><bdi>978-0-12-200400-1</bdi></a><span class="reference-accessdate">. Retrieved <span class="nowrap">1 October</span> 2012</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Academic+Press+Dictionary+of+Science+and+Technology&rft.pages=1802-&rft.pub=Gulf+Professional+Publishing&rft.date=1992&rft.isbn=978-0-12-200400-1&rft.au=Christopher+G.+Morris&rft.au=Academic+Press&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DnauWlPTBcjIC%26pg%3DPA1802&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARavine" class="Z3988"></span></span> </li> <li id="cite_note-FOOTNOTEDagarSingh2018a9–10-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-FOOTNOTEDagarSingh2018a9–10_3-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-FOOTNOTEDagarSingh2018a9–10_3-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><a href="#CITEREFDagarSingh2018a">Dagar & Singh 2018a</a>, pp. 9–10.</span> </li> <li id="cite_note-FOOTNOTEDagar201830-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTEDagar201830_4-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFDagar2018">Dagar 2018</a>, p. 30.</span> </li> <li id="cite_note-FOOTNOTEDagar201820-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTEDagar201820_5-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFDagar2018">Dagar 2018</a>, p. 20.</span> </li> <li id="cite_note-FOOTNOTEDagar201832-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTEDagar201832_6-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFDagar2018">Dagar 2018</a>, p. 32.</span> </li> <li id="cite_note-FOOTNOTEDagar201841-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-FOOTNOTEDagar201841_7-0">^</a></b></span> <span class="reference-text"><a href="#CITEREFDagar2018">Dagar 2018</a>, p. 41.</span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.nps.gov/articles/000/shield-volcanoes.htm">"Shield Volcanoes"</a>. <i>U.S. National Park Service</i><span class="reference-accessdate">. Retrieved <span class="nowrap">28 May</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=U.S.+National+Park+Service&rft.atitle=Shield+Volcanoes&rft_id=https%3A%2F%2Fwww.nps.gov%2Farticles%2F000%2Fshield-volcanoes.htm&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARavine" class="Z3988"></span></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.britannica.com/science/valley/Valley-evolution-in-Hawaii">"Valley - Hawaiian Volcanoes, Erosion, Plateaus"</a>. <i>Britannica</i><span class="reference-accessdate">. Retrieved <span class="nowrap">28 May</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Britannica&rft.atitle=Valley+-+Hawaiian+Volcanoes%2C+Erosion%2C+Plateaus&rft_id=https%3A%2F%2Fwww.britannica.com%2Fscience%2Fvalley%2FValley-evolution-in-Hawaii&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARavine" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading3"><h3 id="Bibliography">Bibliography</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ravine&action=edit&section=9" title="Edit section: Bibliography"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFDagarSingh2018" class="citation book cs1">Dagar, Jagdish Chander; Singh, Anil Kumar, eds. (2018). <a rel="nofollow" class="external text" href="https://link.springer.com/chapter/10.1007/978-981-10-8043-2_2"><i>Ravine Lands: Greening for Livelihood and Environmental Security</i></a>. Springer Nature Singapore. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1007%2F978-981-10-8043-2">10.1007/978-981-10-8043-2</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-981-10-8043-2" title="Special:BookSources/978-981-10-8043-2"><bdi>978-981-10-8043-2</bdi></a>. <a href="/wiki/LCCN_(identifier)" class="mw-redirect" title="LCCN (identifier)">LCCN</a> <a rel="nofollow" class="external text" href="https://lccn.loc.gov/2018935227">2018935227</a> – via <a href="/wiki/SpringerLink" class="mw-redirect" title="SpringerLink">SpringerLink</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Ravine+Lands%3A+Greening+for+Livelihood+and+Environmental+Security&rft.pub=Springer+Nature+Singapore&rft.date=2018&rft_id=info%3Alccn%2F2018935227&rft_id=info%3Adoi%2F10.1007%2F978-981-10-8043-2&rft.isbn=978-981-10-8043-2&rft_id=https%3A%2F%2Flink.springer.com%2Fchapter%2F10.1007%2F978-981-10-8043-2_2&rfr_id=info%3Asid%2Fen.wikipedia.org%3ARavine" class="Z3988"></span> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><span id="CITEREFDagarSingh2018a" class="citation">Dagar, Jagdish Chander; Singh, Anil Kumar (2018a). "Chapter 1: Introduction". In <a href="#CITEREFDagarSingh2018">Dagar & Singh (2018)</a>.</span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><span id="CITEREFDagar2018" class="citation">Dagar, Jagdish Chander. "Chapter 2: Ravines: Formation, Extent, Classification, Evolution and Measures of Prevention and Control". In <a href="#CITEREFDagarSingh2018">Dagar & Singh (2018)</a>.</span></li></ul></li></ul> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ravine&action=edit&section=10" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Commons-logo.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/12px-Commons-logo.svg.png" decoding="async" width="12" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/18px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/24px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span> Media related to <a href="https://commons.wikimedia.org/wiki/Category:Ravines" class="extiw" title="commons:Category:Ravines">Ravines</a> at Wikimedia Commons</li> <li><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Wiktionary-logo-en-v2.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/16px-Wiktionary-logo-en-v2.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/24px-Wiktionary-logo-en-v2.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/32px-Wiktionary-logo-en-v2.svg.png 2x" data-file-width="512" data-file-height="512" /></a></span> The dictionary definition of <a href="https://en.wiktionary.org/wiki/ravine" class="extiw" title="wiktionary:ravine"><i>ravine</i></a> at Wiktionary</li></ul> <div class="navbox-styles"><style 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href="/wiki/Stream" title="Stream">streams</a> and <a href="/wiki/Spring_(hydrology)" title="Spring (hydrology)">springs</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/River" title="River">Rivers</a><br />(<a href="/wiki/Lists_of_rivers" title="Lists of rivers">lists</a>)</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Alluvial_river" title="Alluvial river">Alluvial river</a></li> <li><a href="/wiki/Braided_river" title="Braided river">Braided river</a></li> <li><a href="/wiki/Blackwater_river" title="Blackwater river">Blackwater river</a></li> <li><a href="/wiki/Channel_(geography)" title="Channel (geography)">Channel</a></li> <li><a href="/wiki/Channel_pattern" title="Channel pattern">Channel pattern</a></li> <li><a href="/wiki/Channel_types" title="Channel types">Channel types</a></li> <li><a href="/wiki/Confluence" title="Confluence">Confluence</a></li> <li><a href="/wiki/Distributary" title="Distributary">Distributary</a></li> <li><a href="/wiki/Drainage_basin" title="Drainage basin">Drainage basin</a></li> <li><a href="/wiki/Subterranean_river" title="Subterranean river">Subterranean river</a></li> <li><a href="/wiki/River_bifurcation" title="River bifurcation">River bifurcation</a></li> <li><a href="/wiki/River_ecosystem" title="River ecosystem">River ecosystem</a></li> <li><a href="/wiki/River_source" title="River source">River source</a></li> <li><a href="/wiki/Tributary" title="Tributary">Tributary</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Stream" title="Stream">Streams</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Arroyo_(watercourse)" title="Arroyo (watercourse)">Arroyo</a></li> <li><a href="/wiki/Bourne_(stream)" title="Bourne (stream)">Bourne</a></li> <li><a href="/wiki/Burn_(landform)" title="Burn (landform)">Burn</a></li> <li><a href="/wiki/Chalk_stream" title="Chalk stream">Chalk stream</a></li> <li><a href="/wiki/Coulee" title="Coulee">Coulee</a></li> <li><a href="/wiki/Current_(hydrology)" title="Current (hydrology)">Current</a></li> <li><a href="/wiki/Stream_bed" title="Stream bed">Stream bed</a></li> <li><a href="/wiki/Stream_channel" class="mw-redirect" title="Stream channel">Stream channel</a></li> <li><a href="/wiki/Streamflow" title="Streamflow">Streamflow</a></li> <li><a href="/wiki/Stream_gradient" title="Stream gradient">Stream gradient</a></li> <li><a href="/wiki/Stream_pool" title="Stream pool">Stream pool</a></li> <li><a href="/wiki/Perennial_stream" class="mw-redirect" title="Perennial stream">Perennial stream</a></li> <li><a href="/wiki/Winterbourne_(stream)" title="Winterbourne (stream)">Winterbourne</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Spring_(hydrology)" title="Spring (hydrology)">Springs</a><br />(<a href="/wiki/List_of_springs" title="List of springs">list</a>)</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Estavelle" title="Estavelle">Estavelle/Inversac</a></li> <li><a href="/wiki/Geyser" title="Geyser">Geyser</a></li> <li><a href="/wiki/Holy_well" title="Holy well">Holy well</a></li> <li><a href="/wiki/Hot_spring" title="Hot spring">Hot spring</a> <ul><li><a href="/wiki/List_of_hot_springs" title="List of hot springs">list</a></li> <li><a href="/wiki/List_of_hot_springs_in_the_United_States" title="List of hot springs in the United States">list in the US</a></li></ul></li> <li><a href="/wiki/Karst_spring" title="Karst spring">Karst spring</a> <ul><li><a href="/wiki/List_of_karst_springs" title="List of karst springs">list</a></li></ul></li> <li><a href="/wiki/Mineral_spring" title="Mineral spring">Mineral spring</a></li> <li><a href="/wiki/Ponor" title="Ponor">Ponor</a></li> <li><a href="/wiki/Rhythmic_spring" title="Rhythmic spring">Rhythmic spring</a></li> <li><a href="/wiki/Spring_horizon" title="Spring horizon">Spring horizon</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Sediment" title="Sediment">Sedimentary processes</a><br />and <a href="/wiki/Erosion" title="Erosion">erosion</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Abrasion_(geology)" title="Abrasion (geology)">Abrasion</a></li> <li><a href="/wiki/Anabranch" title="Anabranch">Anabranch</a></li> <li><a href="/wiki/Aggradation" title="Aggradation">Aggradation</a></li> <li><a href="/wiki/Armor_(hydrology)" title="Armor (hydrology)">Armor</a></li> <li><a href="/wiki/Bed_load" title="Bed load">Bed load</a></li> <li><a href="/wiki/Bed_material_load" title="Bed material load">Bed material load</a></li> <li><a href="/wiki/Granular_flow" class="mw-redirect" title="Granular flow">Granular flow</a></li> <li><a href="/wiki/Debris_flow" title="Debris flow">Debris flow</a></li> <li><a href="/wiki/Deposition_(geology)" title="Deposition (geology)">Deposition</a></li> <li><a href="/wiki/Dissolved_load" title="Dissolved load">Dissolved load</a></li> <li><a href="/wiki/Downcutting" title="Downcutting">Downcutting</a></li> <li><a href="/wiki/Erosion" title="Erosion">Erosion</a></li> <li><a href="/wiki/Headward_erosion" title="Headward erosion">Headward erosion</a></li> <li><a href="/wiki/Knickpoint" title="Knickpoint">Knickpoint</a></li> <li><a href="/wiki/Palaeochannel" title="Palaeochannel">Palaeochannel</a></li> <li><a href="/wiki/Progradation" title="Progradation">Progradation</a></li> <li><a href="/wiki/Retrogradation" title="Retrogradation">Retrogradation</a></li> <li><a href="/wiki/Saltation_(geology)" title="Saltation (geology)">Saltation</a></li> <li><a href="/wiki/Secondary_flow#River_bends" title="Secondary flow">Secondary flow</a></li> <li><a href="/wiki/Sediment_transport" title="Sediment transport">Sediment transport</a></li> <li><a href="/wiki/Suspended_load" title="Suspended load">Suspended load</a></li> <li><a href="/wiki/Wash_load" title="Wash load">Wash load</a></li> <li><a href="/wiki/Water_gap" title="Water gap">Water gap</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Fluvial#Fluvial_landforms" class="mw-redirect" title="Fluvial">Fluvial landforms</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ait" title="Ait">Ait</a></li> <li><a href="/wiki/Alluvial_fan" title="Alluvial fan">Alluvial fan</a></li> <li><a href="/wiki/Antecedent_drainage_stream" title="Antecedent drainage stream">Antecedent drainage stream</a></li> <li><a href="/wiki/Avulsion_(river)" title="Avulsion (river)">Avulsion</a></li> <li><a href="/wiki/Bank_(geography)" title="Bank (geography)">Bank</a></li> <li><a href="/wiki/Bar_(river_morphology)" title="Bar (river morphology)">Bar</a></li> <li><a href="/wiki/Bayou" title="Bayou">Bayou</a></li> <li><a href="/wiki/Billabong" title="Billabong">Billabong</a></li> <li><a href="/wiki/Canyon" title="Canyon">Canyon</a></li> <li><a href="/wiki/Chine" title="Chine">Chine</a></li> <li><a href="/wiki/Cut_bank" title="Cut bank">Cut bank</a></li> <li><a href="/wiki/Estuary" title="Estuary">Estuary</a></li> <li><a href="/wiki/Floating_island" title="Floating island">Floating island</a></li> <li><a href="/wiki/Fluvial_terrace" title="Fluvial terrace">Fluvial terrace</a></li> <li><a href="/wiki/Gill_(ravine)" title="Gill (ravine)">Gill</a></li> <li><a href="/wiki/Gulch" title="Gulch">Gulch</a></li> <li><a href="/wiki/Gully" title="Gully">Gully</a></li> <li><a href="/wiki/Glen" title="Glen">Glen</a></li> <li><a href="/wiki/Meander_scar" title="Meander scar">Meander scar</a></li> <li><a href="/wiki/Mouth_bar" title="Mouth bar">Mouth bar</a></li> <li><a href="/wiki/Oxbow_lake" title="Oxbow lake">Oxbow lake</a></li> <li><a href="/wiki/Riffle-pool_sequence" title="Riffle-pool sequence">Riffle-pool sequence</a></li> <li><a href="/wiki/Point_bar" title="Point bar">Point bar</a></li> <li><a class="mw-selflink selflink">Ravine</a></li> <li><a href="/wiki/Rill" title="Rill">Rill</a></li> <li><a href="/wiki/River_island" title="River island">River island</a></li> <li><a href="/wiki/Rock-cut_basin" title="Rock-cut basin">Rock-cut basin</a></li> <li><a href="/wiki/Sedimentary_basin" title="Sedimentary basin">Sedimentary basin</a></li> <li><a href="/wiki/Sedimentary_structures" title="Sedimentary structures">Sedimentary structures</a></li> <li><a href="/wiki/Strath" title="Strath">Strath</a></li> <li><a href="/wiki/Thalweg" title="Thalweg">Thalweg</a></li> <li><a href="/wiki/Valley" title="Valley">River valley</a></li> <li><a href="/wiki/Wadi" title="Wadi">Wadi</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Fluvial#Fluvial_processes" class="mw-redirect" title="Fluvial">Fluvial flow</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Helicoidal_flow" title="Helicoidal flow">Helicoidal flow</a></li> <li><a href="/wiki/International_scale_of_river_difficulty" title="International scale of river difficulty">International scale of river difficulty</a></li> <li><a href="/wiki/Log_jam" title="Log jam">Log jam</a></li> <li><a href="/wiki/Meander" title="Meander">Meander</a></li> <li><a href="/wiki/Plunge_pool" title="Plunge pool">Plunge pool</a></li> <li><a href="/wiki/Rapids" title="Rapids">Rapids</a></li> <li><a href="/wiki/Riffle" title="Riffle">Riffle</a></li> <li><a href="/wiki/Shoal" title="Shoal">Shoal</a></li> <li><a href="/wiki/Stream_capture" title="Stream capture">Stream capture</a></li> <li><a href="/wiki/Waterfall" title="Waterfall">Waterfall</a></li> <li><a href="/wiki/Whitewater" title="Whitewater">Whitewater</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Surface_runoff" title="Surface runoff">Surface runoff</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Agricultural_wastewater" class="mw-redirect" title="Agricultural wastewater">Agricultural wastewater</a></li> <li><a href="/wiki/First_flush" title="First flush">First flush</a></li> <li><a href="/wiki/Urban_runoff" title="Urban runoff">Urban runoff</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Flood" title="Flood">Floods</a> and <a href="/wiki/Stormwater" title="Stormwater">stormwater</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/100-year_flood" title="100-year flood">100-year flood</a></li> <li><a href="/wiki/Crevasse_splay" title="Crevasse splay">Crevasse splay</a></li> <li><a href="/wiki/Flash_flood" title="Flash flood">Flash flood</a></li> <li><a href="/wiki/Flood" title="Flood">Flood</a> <ul><li><a href="/wiki/Urban_flooding" title="Urban flooding">Urban flooding</a></li> <li><a href="/wiki/List_of_non-water_floods" title="List of non-water floods">Non-water flood</a></li></ul></li> <li><a href="/wiki/Flood_barrier" title="Flood barrier">Flood barrier</a></li> <li><a href="/wiki/Flood_control" class="mw-redirect" title="Flood control">Flood control</a></li> <li><a href="/wiki/Flood_forecasting" title="Flood forecasting">Flood forecasting</a></li> <li><a href="/wiki/Flood-meadow" title="Flood-meadow">Flood-meadow</a></li> <li><a href="/wiki/Floodplain" title="Floodplain">Floodplain</a></li> <li><a href="/wiki/Flood_pulse_concept" title="Flood pulse concept">Flood pulse concept</a></li> <li><a href="/wiki/Flooded_grasslands_and_savannas" title="Flooded grasslands and savannas">Flooded grasslands and savannas</a></li> <li><a href="/wiki/Flooding_of_the_Nile" title="Flooding of the Nile">Inundation</a></li> <li><a href="/wiki/Storm_Water_Management_Model" title="Storm Water Management Model">Storm Water Management Model</a></li> <li><a href="/wiki/Return_period" title="Return period">Return period</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Water_pollution#Pollution_from_point_sources" title="Water pollution">Point source pollution</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Effluent" title="Effluent">Effluent</a></li> <li><a href="/wiki/Industrial_wastewater" class="mw-redirect" title="Industrial wastewater">Industrial wastewater</a></li> <li><a href="/wiki/Sewage" title="Sewage">Sewage</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">River measurement<br />and modelling</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Baer%27s_law" class="mw-redirect" title="Baer's law">Baer's law</a></li> <li><a href="/wiki/Baseflow" title="Baseflow">Baseflow</a></li> <li><a href="/wiki/Bradshaw_model" title="Bradshaw model">Bradshaw model</a></li> <li><a href="/wiki/Discharge_(hydrology)" title="Discharge (hydrology)">Discharge (hydrology)</a></li> <li><a href="/wiki/Drainage_density" title="Drainage density">Drainage density</a></li> <li><a href="/wiki/Exner_equation" title="Exner equation">Exner equation</a></li> <li><a href="/wiki/Groundwater_model" title="Groundwater model">Groundwater model</a></li> <li><a href="/wiki/Hack%27s_law" title="Hack's law">Hack's law</a></li> <li><a href="/wiki/Hjulstr%C3%B6m_curve" title="Hjulström curve">Hjulström curve</a></li> <li><a href="/wiki/Hydrograph" title="Hydrograph">Hydrograph</a></li> <li><a href="/wiki/Hydrological_model" title="Hydrological model">Hydrological model</a></li> <li><a href="/wiki/Hydrological_transport_model" title="Hydrological transport model">Hydrological transport model</a></li> <li><a href="/wiki/Infiltration_(hydrology)" title="Infiltration (hydrology)">Infiltration (hydrology)</a></li> <li><a href="/wiki/Main_stem" title="Main stem">Main stem</a></li> <li><a href="/wiki/Playfair%27s_law" title="Playfair's law">Playfair's law</a></li> <li><a href="/wiki/Relief_ratio" class="mw-redirect" title="Relief ratio">Relief ratio</a></li> <li><a href="/wiki/River_Continuum_Concept" title="River Continuum Concept">River Continuum Concept</a></li> <li><a href="/wiki/Rouse_number" title="Rouse number">Rouse number</a></li> <li><a href="/wiki/Runoff_curve_number" title="Runoff curve number">Runoff curve number</a></li> <li><a href="/wiki/Runoff_model_(reservoir)" title="Runoff model (reservoir)">Runoff model (reservoir)</a></li> <li><a href="/wiki/Stream_gauge" title="Stream gauge">Stream gauge</a></li> <li><a href="/wiki/Universal_Soil_Loss_Equation" title="Universal Soil Loss Equation">Universal Soil Loss Equation</a></li> <li><a href="/wiki/WAFLEX" title="WAFLEX">WAFLEX</a></li> <li><a href="/wiki/Wetted_perimeter" title="Wetted perimeter">Wetted perimeter</a></li> <li><a href="/wiki/Volumetric_flow_rate" title="Volumetric flow rate">Volumetric flow rate</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/River_engineering" title="River engineering">River engineering</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Aqueduct_(bridge)" title="Aqueduct (bridge)">Aqueduct</a></li> <li><a href="/wiki/Balancing_lake" title="Balancing lake">Balancing lake</a></li> <li><a href="/wiki/Canal" title="Canal">Canal</a></li> <li><a href="/wiki/Check_dam" title="Check dam">Check dam</a></li> <li><a href="/wiki/Dam" title="Dam">Dam</a></li> <li><a href="/wiki/Drop_structure" title="Drop structure">Drop structure</a></li> <li><a href="/wiki/Daylighting_(streams)" title="Daylighting (streams)">Daylighting</a></li> <li><a href="/wiki/Detention_basin" title="Detention basin">Detention basin</a></li> <li><a href="/wiki/Erosion_control" title="Erosion control">Erosion control</a></li> <li><a href="/wiki/Fish_ladder" title="Fish ladder">Fish ladder</a></li> <li><a href="/wiki/Floodplain_restoration" title="Floodplain restoration">Floodplain restoration</a></li> <li><a href="/wiki/Flume" title="Flume">Flume</a></li> <li><a href="/wiki/Infiltration_basin" title="Infiltration basin">Infiltration basin</a></li> <li><a href="/wiki/Leat" title="Leat">Leat</a></li> <li><a href="/wiki/Levee" title="Levee">Levee</a></li> <li><a href="/wiki/River_morphology" title="River morphology">River morphology</a></li> <li><a href="/wiki/Retention_basin" title="Retention basin">Retention basin</a></li> <li><a href="/wiki/Revetment" title="Revetment">Revetment</a></li> <li><a href="/wiki/Riparian-zone_restoration" title="Riparian-zone restoration">Riparian-zone restoration</a></li> <li><a href="/wiki/Stream_restoration" title="Stream restoration">Stream restoration</a></li> <li><a href="/wiki/Weir" title="Weir">Weir</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">River sports</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Canyoning" title="Canyoning">Canyoning</a></li> <li><a href="/wiki/Fly_fishing" title="Fly fishing">Fly fishing</a></li> <li><a href="/wiki/Rafting" title="Rafting">Rafting</a></li> <li><a href="/wiki/River_surfing" title="River surfing">River surfing</a></li> <li><a href="/wiki/Riverboarding" title="Riverboarding">Riverboarding</a></li> <li><a href="/wiki/Stone_skipping" title="Stone skipping">Stone skipping</a></li> <li><a href="/wiki/Triathlon" title="Triathlon">Triathlon</a></li> <li><a href="/wiki/Whitewater_canoeing" title="Whitewater canoeing">Whitewater canoeing</a></li> <li><a href="/wiki/Whitewater_kayaking" title="Whitewater kayaking">Whitewater kayaking</a></li> <li><a href="/wiki/Whitewater_slalom" class="mw-redirect" title="Whitewater slalom">Whitewater slalom</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Aquifer" title="Aquifer">Aquifer</a></li> <li><a href="/wiki/Aquatic_toxicology" title="Aquatic toxicology">Aquatic toxicology</a></li> <li><a href="/wiki/Body_of_water" title="Body of water">Body of water</a></li> <li><a href="/wiki/Hydraulic_civilization" class="mw-redirect" title="Hydraulic civilization">Hydraulic civilization</a></li> <li><a href="/wiki/Limnology" title="Limnology">Limnology</a></li> <li><a href="/wiki/Riparian_zone" title="Riparian zone">Riparian zone</a></li> <li><a href="/wiki/River_valley_civilization" title="River valley civilization">River valley civilization</a></li> <li><a href="/wiki/River_cruise" title="River cruise">River cruise</a></li> <li><a href="/wiki/Sacred_waters" title="Sacred waters">Sacred waters</a></li> <li><a href="/wiki/Surface_water" title="Surface water">Surface water</a></li> <li><a href="/wiki/Wild_river" title="Wild river">Wild river</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <ul><li><a href="/wiki/List_of_rivers_by_length" class="mw-redirect" title="List of rivers by length">Rivers by length</a></li> <li><a href="/wiki/List_of_rivers_by_discharge" title="List of rivers by discharge">Rivers by discharge rate</a></li> <li><a href="/wiki/List_of_drainage_basins" class="mw-redirect" title="List of drainage basins">Drainage basins</a></li> <li><a href="/wiki/List_of_whitewater_rivers" title="List of whitewater rivers">Whitewater rivers</a></li> <li><a href="/wiki/List_of_flash_floods" title="List of flash floods">Flash floods</a></li> <li><a href="/wiki/List_of_river_name_etymologies" title="List of river name etymologies">River name etymologies</a></li> <li><a href="/wiki/List_of_countries_without_rivers" title="List of countries without rivers">Countries without rivers</a></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"><style data-mw-deduplicate="TemplateStyles:r1038841319">.mw-parser-output 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