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[o]" accesskey="o" class=""><span>Logg inn</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Fleire val" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Personlege verktøy" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-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-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Personlege verktøy</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Brukarmeny" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_nn.wikipedia.org&uselang=nn"><span>Gåver</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Spesial:Opprett_konto&returnto=Lufttrykk" title="Me oppfordrar til at du oppretter ein konto og loggar inn, men det er ikkje påkravd."><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Opprett konto</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Spesial:Logg_inn&returnto=Lufttrykk" title="Det er ikkje obligatorisk å logga inn, men medfører mange fordelar. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Logg inn</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Sider for utlogga bidragsytarar <a href="/wiki/Hjelp:Introduksjon" aria-label="Lær meir om redigering"><span>lær meir</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Spesial:Bidraga_mine" title="Liste over endringar gjorde frå denne IP-adressa [y]" accesskey="y"><span>Bidrag</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Spesial:Diskusjonssida_mi" title="Diskusjon om endringar gjorde av denne ip-adressa [n]" accesskey="n"><span>Diskusjon</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Nettstad"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Innhald" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Innhald</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">flytt til sidefeltet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">gøym</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">Byrjinga</div> </a> </li> <li id="toc-Standard_atmosfæretrykk" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Standard_atmosfæretrykk"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Standard atmosfæretrykk</span> </div> </a> <ul id="toc-Standard_atmosfæretrykk-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Midla_trykk_i_havnivå_(MSLP_eller_QFF)" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Midla_trykk_i_havnivå_(MSLP_eller_QFF)"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Midla trykk i havnivå (MSLP eller QFF)</span> </div> </a> <ul id="toc-Midla_trykk_i_havnivå_(MSLP_eller_QFF)-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Endring_av_lufttrykk_med_høgda" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Endring_av_lufttrykk_med_høgda"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Endring av lufttrykk med høgda</span> </div> </a> <ul id="toc-Endring_av_lufttrykk_med_høgda-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Lokale_trykkvariasjonar" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Lokale_trykkvariasjonar"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Lokale trykkvariasjonar</span> </div> </a> <ul id="toc-Lokale_trykkvariasjonar-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Lufttrykk_forklart_ut_frå_vasstrykk" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Lufttrykk_forklart_ut_frå_vasstrykk"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Lufttrykk forklart ut frå vasstrykk</span> </div> </a> <ul id="toc-Lufttrykk_forklart_ut_frå_vasstrykk-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Sjå_òg" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Sjå_òg"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Sjå òg</span> </div> </a> <ul id="toc-Sjå_òg-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Referansar" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Referansar"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Referansar</span> </div> </a> <ul id="toc-Referansar-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Bakgrunnsstoff" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Bakgrunnsstoff"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>Bakgrunnsstoff</span> </div> </a> <ul id="toc-Bakgrunnsstoff-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="Innhald" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <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="Vis/skjul innhaldslista" > <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">Vis/skjul innhaldslista</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">Lufttrykk</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="Gå til ein artikkel på eit anna språk. Tilgjengeleg på 85 språk" > <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-85" 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">85 språk</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Atmosf%C3%A6risk_trykk" title="Atmosfærisk trykk – norsk bokmål" lang="nb" hreflang="nb" data-title="Atmosfærisk trykk" data-language-autonym="Norsk bokmål" data-language-local-name="norsk bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Lufttryck" title="Lufttryck – svensk" lang="sv" hreflang="sv" data-title="Lufttryck" data-language-autonym="Svenska" data-language-local-name="svensk" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Lugdruk" title="Lugdruk – afrikaans" lang="af" hreflang="af" data-title="Lugdruk" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B6%D8%BA%D8%B7_%D8%AC%D9%88%D9%8A" title="ضغط جوي – arabisk" lang="ar" hreflang="ar" data-title="ضغط جوي" data-language-autonym="العربية" data-language-local-name="arabisk" 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/Presi%C3%B3n_atmosferica" title="Presión atmosferica – aragonsk" lang="an" hreflang="an" data-title="Presión atmosferica" data-language-autonym="Aragonés" data-language-local-name="aragonsk" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Presi%C3%B3n_atmosf%C3%A9rica" title="Presión atmosférica – asturisk" lang="ast" hreflang="ast" data-title="Presión atmosférica" data-language-autonym="Asturianu" data-language-local-name="asturisk" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Atmosfer_t%C9%99zyiqi" title="Atmosfer təzyiqi – aserbajdsjansk" lang="az" hreflang="az" data-title="Atmosfer təzyiqi" data-language-autonym="Azərbaycanca" data-language-local-name="aserbajdsjansk" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AC%E0%A6%BE%E0%A6%AF%E0%A6%BC%E0%A7%81%E0%A6%AE%E0%A6%A3%E0%A7%8D%E0%A6%A1%E0%A6%B2%E0%A7%80%E0%A6%AF%E0%A6%BC_%E0%A6%9A%E0%A6%BE%E0%A6%AA" title="বায়ুমণ্ডলীয় চাপ – bengali" lang="bn" hreflang="bn" data-title="বায়ুমণ্ডলীয় চাপ" data-language-autonym="বাংলা" data-language-local-name="bengali" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Kh%C3%AC-ap" title="Khì-ap – minnan" lang="nan" hreflang="nan" data-title="Khì-ap" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="minnan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/%D0%90%D1%82%D0%BC%D0%BE%D1%81%D1%84%D0%B5%D1%80%D0%B0_%D0%B1%D0%B0%D2%AB%D1%8B%D0%BC%D1%8B" title="Атмосфера баҫымы – basjkirsk" lang="ba" hreflang="ba" data-title="Атмосфера баҫымы" data-language-autonym="Башҡортса" data-language-local-name="basjkirsk" class="interlanguage-link-target"><span>Башҡортса</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%90%D1%82%D0%BC%D0%B0%D1%81%D1%84%D0%B5%D1%80%D0%BD%D1%8B_%D1%86%D1%96%D1%81%D0%BA" title="Атмасферны ціск – belarusisk" lang="be" hreflang="be" data-title="Атмасферны ціск" data-language-autonym="Беларуская" data-language-local-name="belarusisk" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%90%D1%82%D0%BC%D0%B0%D1%81%D1%84%D1%8D%D1%80%D0%BD%D1%8B_%D1%86%D1%96%D1%81%D0%BA" title="Атмасфэрны ціск – belarusisk (klassisk ortografi)" lang="be-tarask" hreflang="be-tarask" data-title="Атмасфэрны ціск" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="belarusisk (klassisk ortografi)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bh mw-list-item"><a href="https://bh.wikipedia.org/wiki/%E0%A4%B5%E0%A4%BE%E0%A4%AF%E0%A5%81%E0%A4%AE%E0%A4%82%E0%A4%A1%E0%A4%B2%E0%A5%80%E0%A4%AF_%E0%A4%A6%E0%A4%BE%E0%A4%AC" title="वायुमंडलीय दाब – bihari" lang="bh" hreflang="bh" data-title="वायुमंडलीय दाब" data-language-autonym="भोजपुरी" data-language-local-name="bihari" class="interlanguage-link-target"><span>भोजपुरी</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%90%D1%82%D0%BC%D0%BE%D1%81%D1%84%D0%B5%D1%80%D0%BD%D0%BE_%D0%BD%D0%B0%D0%BB%D1%8F%D0%B3%D0%B0%D0%BD%D0%B5" title="Атмосферно налягане – bulgarsk" lang="bg" hreflang="bg" data-title="Атмосферно налягане" data-language-autonym="Български" data-language-local-name="bulgarsk" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Pressi%C3%B3_atmosf%C3%A8rica" title="Pressió atmosfèrica – katalansk" lang="ca" hreflang="ca" data-title="Pressió atmosfèrica" data-language-autonym="Català" data-language-local-name="katalansk" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%90%D1%82%D0%BC%D0%BE%D1%81%D1%84%D0%B5%D1%80%D0%B0_%D0%BF%D1%83%D1%81%C4%83%D0%BC%C4%95" title="Атмосфера пусăмĕ – tsjuvansk" lang="cv" hreflang="cv" data-title="Атмосфера пусăмĕ" data-language-autonym="Чӑвашла" data-language-local-name="tsjuvansk" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Atmosf%C3%A9rick%C3%BD_tlak" title="Atmosférický tlak – tsjekkisk" lang="cs" hreflang="cs" data-title="Atmosférický tlak" data-language-autonym="Čeština" data-language-local-name="tsjekkisk" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-ary mw-list-item"><a href="https://ary.wikipedia.org/wiki/%D8%B6%D8%BA%D8%B7_%D8%AC%D9%88%D9%8A" title="ضغط جوي – marokkansk-arabisk" lang="ary" hreflang="ary" data-title="ضغط جوي" data-language-autonym="الدارجة" data-language-local-name="marokkansk-arabisk" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Luftdruck" title="Luftdruck – tysk" lang="de" hreflang="de" data-title="Luftdruck" data-language-autonym="Deutsch" data-language-local-name="tysk" 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/%C3%95hur%C3%B5hk" title="Õhurõhk – estisk" lang="et" hreflang="et" data-title="Õhurõhk" data-language-autonym="Eesti" data-language-local-name="estisk" 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%91%CF%84%CE%BC%CE%BF%CF%83%CF%86%CE%B1%CE%B9%CF%81%CE%B9%CE%BA%CE%AE_%CF%80%CE%AF%CE%B5%CF%83%CE%B7" title="Ατμοσφαιρική πίεση – gresk" lang="el" hreflang="el" data-title="Ατμοσφαιρική πίεση" data-language-autonym="Ελληνικά" data-language-local-name="gresk" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Atmospheric_pressure" title="Atmospheric pressure – engelsk" lang="en" hreflang="en" data-title="Atmospheric pressure" data-language-autonym="English" data-language-local-name="engelsk" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Presi%C3%B3n_atmosf%C3%A9rica" title="Presión atmosférica – spansk" lang="es" hreflang="es" data-title="Presión atmosférica" data-language-autonym="Español" data-language-local-name="spansk" 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/Atmosfera_premo" title="Atmosfera premo – esperanto" lang="eo" hreflang="eo" data-title="Atmosfera premo" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Presio_atmosferiko" title="Presio atmosferiko – baskisk" lang="eu" hreflang="eu" data-title="Presio atmosferiko" data-language-autonym="Euskara" data-language-local-name="baskisk" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%81%D8%B4%D8%A7%D8%B1_%D8%A7%D8%AA%D9%85%D8%B3%D9%81%D8%B1%DB%8C" title="فشار اتمسفری – persisk" lang="fa" hreflang="fa" data-title="فشار اتمسفری" data-language-autonym="فارسی" data-language-local-name="persisk" 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/Pression_atmosph%C3%A9rique" title="Pression atmosphérique – fransk" lang="fr" hreflang="fr" data-title="Pression atmosphérique" data-language-autonym="Français" data-language-local-name="fransk" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Br%C3%BA_atmaisf%C3%A9arach" title="Brú atmaisféarach – irsk" lang="ga" hreflang="ga" data-title="Brú atmaisféarach" data-language-autonym="Gaeilge" data-language-local-name="irsk" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Presi%C3%B3n_atmosf%C3%A9rica" title="Presión atmosférica – galisisk" lang="gl" hreflang="gl" data-title="Presión atmosférica" data-language-autonym="Galego" data-language-local-name="galisisk" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%8C%80%EA%B8%B0%EC%95%95" title="대기압 – koreansk" lang="ko" hreflang="ko" data-title="대기압" data-language-autonym="한국어" data-language-local-name="koreansk" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%84%D5%A9%D5%B6%D5%B8%D5%AC%D5%B8%D6%80%D5%BF%D5%A1%D5%B5%D5%AB%D5%B6_%D5%B3%D5%B6%D5%B7%D5%B8%D6%82%D5%B4" title="Մթնոլորտային ճնշում – armensk" lang="hy" hreflang="hy" data-title="Մթնոլորտային ճնշում" data-language-autonym="Հայերեն" data-language-local-name="armensk" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%B5%E0%A4%BE%E0%A4%AF%E0%A5%81%E0%A4%AE%E0%A4%82%E0%A4%A1%E0%A4%B2%E0%A5%80%E0%A4%AF_%E0%A4%A6%E0%A4%BE%E0%A4%AC" title="वायुमंडलीय दाब – hindi" lang="hi" hreflang="hi" data-title="वायुमंडलीय दाब" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Atmosferski_tlak" title="Atmosferski tlak – kroatisk" lang="hr" hreflang="hr" data-title="Atmosferski tlak" data-language-autonym="Hrvatski" data-language-local-name="kroatisk" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Tekanan_atmosfer" title="Tekanan atmosfer – indonesisk" lang="id" hreflang="id" data-title="Tekanan atmosfer" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesisk" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Loft%C3%BEr%C3%BDstingur" title="Loftþrýstingur – islandsk" lang="is" hreflang="is" data-title="Loftþrýstingur" data-language-autonym="Íslenska" data-language-local-name="islandsk" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Pressione_atmosferica" title="Pressione atmosferica – italiensk" lang="it" hreflang="it" data-title="Pressione atmosferica" data-language-autonym="Italiano" data-language-local-name="italiensk" 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%9C%D7%97%D7%A5_%D7%90%D7%98%D7%9E%D7%95%D7%A1%D7%A4%D7%99%D7%A8%D7%99" title="לחץ אטמוספירי – hebraisk" lang="he" hreflang="he" data-title="לחץ אטמוספירי" data-language-autonym="עברית" data-language-local-name="hebraisk" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%90%E1%83%A2%E1%83%9B%E1%83%9D%E1%83%A1%E1%83%A4%E1%83%94%E1%83%A0%E1%83%A3%E1%83%9A%E1%83%98_%E1%83%AC%E1%83%9C%E1%83%94%E1%83%95%E1%83%90" title="ატმოსფერული წნევა – georgisk" lang="ka" hreflang="ka" data-title="ატმოსფერული წნევა" data-language-autonym="ქართული" data-language-local-name="georgisk" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%90%D1%82%D0%BC%D0%BE%D1%81%D1%84%D0%B5%D1%80%D0%B0%D0%BB%D1%8B%D2%9B_%D2%9B%D1%8B%D1%81%D1%8B%D0%BC" title="Атмосфералық қысым – kasakhisk" lang="kk" hreflang="kk" data-title="Атмосфералық қысым" data-language-autonym="Қазақша" data-language-local-name="kasakhisk" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Kanieneo_angahewa" title="Kanieneo angahewa – swahili" lang="sw" hreflang="sw" data-title="Kanieneo angahewa" data-language-autonym="Kiswahili" data-language-local-name="swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/Pestoya_atmosfer%C3%AA" title="Pestoya atmosferê – kurdisk" lang="ku" hreflang="ku" data-title="Pestoya atmosferê" data-language-autonym="Kurdî" data-language-local-name="kurdisk" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%90%D1%82%D0%BC%D0%BE%D1%81%D1%84%D0%B5%D1%80%D0%B0_%D0%B1%D0%B0%D1%81%D1%8B%D0%BC%D1%8B" title="Атмосфера басымы – kirgisisk" lang="ky" hreflang="ky" data-title="Атмосфера басымы" data-language-autonym="Кыргызча" data-language-local-name="kirgisisk" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-lo mw-list-item"><a href="https://lo.wikipedia.org/wiki/%E0%BA%84%E0%BA%A7%E0%BA%B2%E0%BA%A1%E0%BA%81%E0%BA%BB%E0%BA%94%E0%BA%AD%E0%BA%B2%E0%BA%81%E0%BA%B2%E0%BA%94" title="ຄວາມກົດອາກາດ – laotisk" lang="lo" hreflang="lo" data-title="ຄວາມກົດອາກາດ" data-language-autonym="ລາວ" data-language-local-name="laotisk" class="interlanguage-link-target"><span>ລາວ</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Atmosf%C4%93ras_spiediens" title="Atmosfēras spiediens – latvisk" lang="lv" hreflang="lv" data-title="Atmosfēras spiediens" data-language-autonym="Latviešu" data-language-local-name="latvisk" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Atmosferos_sl%C4%97gis" title="Atmosferos slėgis – litauisk" lang="lt" hreflang="lt" data-title="Atmosferos slėgis" data-language-autonym="Lietuvių" data-language-local-name="litauisk" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Pression_atmosferega" title="Pression atmosferega – lombardisk" lang="lmo" hreflang="lmo" data-title="Pression atmosferega" data-language-autonym="Lombard" data-language-local-name="lombardisk" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/L%C3%A9gnyom%C3%A1s" title="Légnyomás – ungarsk" lang="hu" hreflang="hu" data-title="Légnyomás" data-language-autonym="Magyar" data-language-local-name="ungarsk" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%90%D1%82%D0%BC%D0%BE%D1%81%D1%84%D0%B5%D1%80%D1%81%D0%BA%D0%B8_%D0%BF%D1%80%D0%B8%D1%82%D0%B8%D1%81%D0%BE%D0%BA" title="Атмосферски притисок – makedonsk" lang="mk" hreflang="mk" data-title="Атмосферски притисок" data-language-autonym="Македонски" data-language-local-name="makedonsk" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%85%E0%B4%A8%E0%B5%8D%E0%B4%A4%E0%B4%B0%E0%B5%80%E0%B4%95%E0%B5%8D%E0%B4%B7%E0%B4%AE%E0%B5%BC%E0%B4%A6%E0%B5%8D%E0%B4%A6%E0%B4%82" title="അന്തരീക്ഷമർദ്ദം – malayalam" lang="ml" hreflang="ml" data-title="അന്തരീക്ഷമർദ്ദം" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%B5%E0%A4%BE%E0%A4%A4%E0%A4%BE%E0%A4%B5%E0%A4%B0%E0%A4%A3%E0%A4%BE%E0%A4%9A%E0%A4%BE_%E0%A4%A6%E0%A4%BE%E0%A4%AC" title="वातावरणाचा दाब – marathi" lang="mr" hreflang="mr" data-title="वातावरणाचा दाब" data-language-autonym="मराठी" data-language-local-name="marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Tekanan_atmosfera" title="Tekanan atmosfera – malayisk" lang="ms" hreflang="ms" data-title="Tekanan atmosfera" data-language-autonym="Bahasa Melayu" data-language-local-name="malayisk" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%90%D0%B3%D0%B0%D0%B0%D1%80%D1%8B%D0%BD_%D0%B4%D0%B0%D1%80%D0%B0%D0%BB%D1%82" title="Агаарын даралт – mongolsk" lang="mn" hreflang="mn" data-title="Агаарын даралт" data-language-autonym="Монгол" data-language-local-name="mongolsk" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%9C%E1%80%B1%E1%80%96%E1%80%AD%E1%80%A1%E1%80%AC%E1%80%B8" title="လေဖိအား – burmesisk" lang="my" hreflang="my" data-title="လေဖိအား" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="burmesisk" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Luchtdruk" title="Luchtdruk – nederlandsk" lang="nl" hreflang="nl" data-title="Luchtdruk" data-language-autonym="Nederlands" data-language-local-name="nederlandsk" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%B5%E0%A4%BE%E0%A4%AF%E0%A5%81%E0%A4%AE%E0%A4%A3%E0%A5%8D%E0%A4%A1%E0%A4%B2%E0%A5%80%E0%A4%AF_%E0%A4%9A%E0%A4%BE%E0%A4%AA" title="वायुमण्डलीय चाप – nepalsk" lang="ne" hreflang="ne" data-title="वायुमण्डलीय चाप" data-language-autonym="नेपाली" data-language-local-name="nepalsk" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E6%B0%97%E5%9C%A7" title="気圧 – japansk" lang="ja" hreflang="ja" data-title="気圧" data-language-autonym="日本語" data-language-local-name="japansk" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Pression_atmosferica" title="Pression atmosferica – oksitansk" lang="oc" hreflang="oc" data-title="Pression atmosferica" data-language-autonym="Occitan" data-language-local-name="oksitansk" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Atmosfera_bosimi" title="Atmosfera bosimi – usbekisk" lang="uz" hreflang="uz" data-title="Atmosfera bosimi" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="usbekisk" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%B5%E0%A8%BE%E0%A8%AF%E0%A9%82%E0%A8%AE%E0%A9%B0%E0%A8%A1%E0%A8%B2_%E0%A8%A6%E0%A8%AC%E0%A8%BE%E0%A8%85" title="ਵਾਯੂਮੰਡਲ ਦਬਾਅ – panjabi" lang="pa" hreflang="pa" data-title="ਵਾਯੂਮੰਡਲ ਦਬਾਅ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="panjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%DB%81%D9%88%D8%A7_%D8%AF%D8%A7_%D8%AF%D8%A8%D8%A7%D9%88" title="ہوا دا دباو – vestpunjabi" lang="pnb" hreflang="pnb" data-title="ہوا دا دباو" data-language-autonym="پنجابی" data-language-local-name="vestpunjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Ci%C5%9Bnienie_atmosferyczne" title="Ciśnienie atmosferyczne – polsk" lang="pl" hreflang="pl" data-title="Ciśnienie atmosferyczne" data-language-autonym="Polski" data-language-local-name="polsk" 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/Press%C3%A3o_atmosf%C3%A9rica" title="Pressão atmosférica – portugisisk" lang="pt" hreflang="pt" data-title="Pressão atmosférica" data-language-autonym="Português" data-language-local-name="portugisisk" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Presiune_atmosferic%C4%83" title="Presiune atmosferică – rumensk" lang="ro" hreflang="ro" data-title="Presiune atmosferică" data-language-autonym="Română" data-language-local-name="rumensk" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%90%D1%82%D0%BC%D0%BE%D1%81%D1%84%D0%B5%D1%80%D0%BD%D0%BE%D0%B5_%D0%B4%D0%B0%D0%B2%D0%BB%D0%B5%D0%BD%D0%B8%D0%B5" title="Атмосферное давление – russisk" lang="ru" hreflang="ru" data-title="Атмосферное давление" data-language-autonym="Русский" data-language-local-name="russisk" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Presioni_atmosferik" title="Presioni atmosferik – albansk" lang="sq" hreflang="sq" data-title="Presioni atmosferik" data-language-autonym="Shqip" data-language-local-name="albansk" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Atmospheric_pressure" title="Atmospheric pressure – enkel engelsk" lang="en-simple" hreflang="en-simple" data-title="Atmospheric pressure" data-language-autonym="Simple English" data-language-local-name="enkel engelsk" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Atmosf%C3%A9rick%C3%BD_tlak" title="Atmosférický tlak – slovakisk" lang="sk" hreflang="sk" data-title="Atmosférický tlak" data-language-autonym="Slovenčina" data-language-local-name="slovakisk" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Zra%C4%8Dni_tlak" title="Zračni tlak – slovensk" lang="sl" hreflang="sl" data-title="Zračni tlak" data-language-autonym="Slovenščina" data-language-local-name="slovensk" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D9%BE%DB%95%D8%B3%D8%AA%D8%A7%D9%86%DB%8C_%DA%A9%DB%95%D8%B4" title="پەستانی کەش – sorani" lang="ckb" hreflang="ckb" data-title="پەستانی کەش" data-language-autonym="کوردی" data-language-local-name="sorani" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%90%D1%82%D0%BC%D0%BE%D1%81%D1%84%D0%B5%D1%80%D1%81%D0%BA%D0%B8_%D0%BF%D1%80%D0%B8%D1%82%D0%B8%D1%81%D0%B0%D0%BA" title="Атмосферски притисак – serbisk" lang="sr" hreflang="sr" data-title="Атмосферски притисак" data-language-autonym="Српски / srpski" data-language-local-name="serbisk" 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/Atmosferski_tlak" title="Atmosferski tlak – serbokroatisk" lang="sh" hreflang="sh" data-title="Atmosferski tlak" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbokroatisk" 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/Ilmanpaine" title="Ilmanpaine – finsk" lang="fi" hreflang="fi" data-title="Ilmanpaine" data-language-autonym="Suomi" data-language-local-name="finsk" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%B5%E0%AE%B3%E0%AE%BF%E0%AE%AE%E0%AE%A3%E0%AF%8D%E0%AE%9F%E0%AE%B2_%E0%AE%85%E0%AE%B4%E0%AF%81%E0%AE%A4%E0%AF%8D%E0%AE%A4%E0%AE%AE%E0%AF%8D" title="வளிமண்டல அழுத்தம் – tamil" lang="ta" hreflang="ta" data-title="வளிமண்டல அழுத்தம்" data-language-autonym="தமிழ்" data-language-local-name="tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-kab mw-list-item"><a href="https://kab.wikipedia.org/wiki/Adad_agnaw" title="Adad agnaw – kabylsk" lang="kab" hreflang="kab" data-title="Adad agnaw" data-language-autonym="Taqbaylit" data-language-local-name="kabylsk" class="interlanguage-link-target"><span>Taqbaylit</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%B5%E0%B0%BE%E0%B0%A4%E0%B0%BE%E0%B0%B5%E0%B0%B0%E0%B0%A3_%E0%B0%AA%E0%B1%80%E0%B0%A1%E0%B0%A8%E0%B0%82" title="వాతావరణ పీడనం – telugu" lang="te" hreflang="te" data-title="వాతావరణ పీడనం" data-language-autonym="తెలుగు" data-language-local-name="telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%81%E0%B8%94%E0%B8%AD%E0%B8%B2%E0%B8%81%E0%B8%B2%E0%B8%A8" title="ความกดอากาศ – thai" lang="th" hreflang="th" data-title="ความกดอากาศ" 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/Atmosfer_bas%C4%B1nc%C4%B1" title="Atmosfer basıncı – tyrkisk" lang="tr" hreflang="tr" data-title="Atmosfer basıncı" data-language-autonym="Türkçe" data-language-local-name="tyrkisk" 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%90%D1%82%D0%BC%D0%BE%D1%81%D1%84%D0%B5%D1%80%D0%BD%D0%B8%D0%B9_%D1%82%D0%B8%D1%81%D0%BA" title="Атмосферний тиск – ukrainsk" lang="uk" hreflang="uk" data-title="Атмосферний тиск" data-language-autonym="Українська" data-language-local-name="ukrainsk" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%DB%81%D9%88%D8%A7_%DA%A9%D8%A7_%D8%AF%D8%A8%D8%A7%D8%A4" title="ہوا کا دباؤ – urdu" lang="ur" hreflang="ur" data-title="ہوا کا دباؤ" data-language-autonym="اردو" data-language-local-name="urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-vec mw-list-item"><a href="https://vec.wikipedia.org/wiki/Presion_atmosf%C3%A8rega" 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class="mw-list-item"><a href="//commons.wikimedia.org/wiki/Special:UploadWizard?uselang=nn" title="Last opp filer [u]" accesskey="u"><span>Last opp fil</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Spesial:Spesialsider" title="Liste over spesialsider [q]" accesskey="q"><span>Spesialsider</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Lufttrykk&oldid=3490585" title="Fast lenkje til denne versjonen av sida"><span>Fast lenkje</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Lufttrykk&action=info" title="Meir informasjon om sida"><span>Sideinformasjon</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Spesial:Siter&page=Lufttrykk&id=3490585&wpFormIdentifier=titleform" title="Informasjon om korleis ein siterer denne sida"><span>Siter denne sida</span></a></li><li id="t-urlshortener" class="mw-list-item"><a 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href="/w/index.php?title=Lufttrykk&printable=yes" title="Utskriftsversjon av sida [p]" accesskey="p"><span>Utskriftsversjon</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Sideverktøy"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Utsjånad"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Utsjånad</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">flytt til sidefeltet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">gøym</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Frå Wikipedia – det frie oppslagsverket</div> </div> <div id="contentSub"><div id="mw-content-subtitle"><span class="mw-redirectedfrom">(Omdirigert frå <a href="/w/index.php?title=Atmosf%C3%A6risk_trykk&redirect=no" class="mw-redirect" title="Atmosfærisk trykk">Atmosfærisk trykk</a>)</span></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="nn" dir="ltr"><figure typeof="mw:File/Thumb"><a href="/wiki/Fil:Tagesgang-luftdruck.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4b/Tagesgang-luftdruck.jpg/360px-Tagesgang-luftdruck.jpg" decoding="async" width="360" height="255" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4b/Tagesgang-luftdruck.jpg/540px-Tagesgang-luftdruck.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4b/Tagesgang-luftdruck.jpg/720px-Tagesgang-luftdruck.jpg 2x" data-file-width="1016" data-file-height="720" /></a><figcaption>Dagleg endring av lufttrykket i Nord-Tyskland (svart kurve er lufttrykket)</figcaption></figure> <p><b>Lufttrykk</b> er <a href="/wiki/Trykk" title="Trykk">trykket</a> over eit område i <a href="/wiki/Jordatmosf%C3%A6ren" title="Jordatmosfæren">atmosfæren</a>, og det oppstår som følgje av <a href="/wiki/Vekt" title="Vekt">vekta</a> til lufta over området. </p><p>Luftmassar er påverka av det generelle lufttrykket inne i luftmassen, og dannar område med <a href="/wiki/H%C3%B8gtrykk" title="Høgtrykk">høgtrykk</a> og <a href="/wiki/L%C3%A5gtrykk" title="Lågtrykk">lågtrykk</a>. Lågtrykksområde har mindre atmosfæriske masse over seg, medan høgtrykk har meir atmosfærisk masse over seg. </p><p>Luftmolekyla minkar eksponentielt med høgda, og derfor vil òg lufttrykket minke med høgda. Sambandet mellom høgda og lufttrykket er ei tilnærming av første orden: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \log _{10}P\approx {5-{h \over 15500}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>log</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>10</mn> </mrow> </msub> <mo>⁡</mo> <mi>P</mi> <mo>≈</mo> <mrow class="MJX-TeXAtom-ORD"> <mn>5</mn> <mo>−</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mi>h</mi> <mn>15500</mn> </mfrac> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \log _{10}P\approx {5-{h \over 15500}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/a6cabacb7d026f15f035b1042d4690910efadb9c" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.838ex; width:20.73ex; height:5.343ex;" alt="{\displaystyle \log _{10}P\approx {5-{h \over 15500}}}"></span>,</dd></dl> <p>der <i>P</i> er trykket i <a href="/wiki/Pascal" title="Pascal">pascal</a> (Pa) og <i>h</i> er høgda i <a href="/wiki/Meter" title="Meter">meter</a>. Dette viser at trykket i ei høgd på 31 km er om lag 10<sup>(5-2)</sup> Pa = 1000 Pa, eller 1 % av trykket ved havnivå. Ei grov tilnærming som gjeld for dei første kilometerane over overflata er at trykket minkar med 100 hPa per kilometer. </p><p>Ei søyle med luft med ei flate på 1 m<sup>2</sup> veg om lag 98 000 k<a href="/wiki/Newton" title="Newton">N</a>. Sjå <a href="/wiki/Lufttettleik" title="Lufttettleik">Lufttettleik</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Standard_atmosfæretrykk"><span id="Standard_atmosf.C3.A6retrykk"></span>Standard atmosfæretrykk</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lufttrykk&veaction=edit&section=1" title="Endre bolk: Standard atmosfæretrykk" class="mw-editsection-visualeditor"><span>endre</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lufttrykk&action=edit&section=1" title="Rediger kildekoden til seksjonen Standard atmosfæretrykk"><span>endre wikiteksten</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><b><a href="/wiki/Standardatmosf%C3%A6re" title="Standardatmosfære">Standardatmosfære</a></b> (symbol: atm) er ei måleeining for trykk, og er definert til å vere nøyaktig 1013,25 <a href="/wiki/Pascal" title="Pascal">hPa</a>. Denne verdien representerer det gjennomsnittlege trykket ved havnivå på breiddegraden <a href="/wiki/Paris" title="Paris">Paris</a> ligg på. </p><p>Eit trykk på 1 atm kan òg skrivast som: </p> <dl><dd>≡1,01325 <a href="/wiki/Bar_(eining)" class="mw-redirect" title="Bar (eining)">bar</a><br /></dd> <dd>≡101,325 k<a href="/wiki/Pascal" title="Pascal">Pa</a><br /></dd> <dd>≡1013,25 <a href="/wiki/Millibar" class="mw-redirect" title="Millibar">millibar</a> (mbar, mb eller millib.)<br /></dd> <dd>≡760 <a href="/wiki/Torr" class="mw-redirect" title="Torr">torr</a><br /></dd> <dd>≈1,033 227 452 799 886 kp/cm<sup>2</sup><br /></dd> <dd>≈1,033 227 452 799 886 <a href="/wiki/Teknisk_atmosf%C3%A6re" title="Teknisk atmosfære">teknisk atmosfære</a><br /></dd> <dd>≈1033,227 452 799 886 cm–H<sub>2</sub>O, 4 °C<sup> [A]</sup><br /></dd> <dd><small><sup>A</sup> Dette er ein generelt akseptert verdi for cm–H<sub>2</sub>O, 4 °C. Det er produktet av 1 kp per kvadratcentimeter (ein teknisk atmosfære) multiplisert med 1.013 25 (bar/atmosfære) og delt på 0.980 665 (et pond). </small></dd></dl> <p>Ein standard atmosfære er standard trykk som blir brukt for hydrauliske krefter, i luftfart og oljeindustrien. </p> <div class="mw-heading mw-heading2"><h2 id="Midla_trykk_i_havnivå_(MSLP_eller_QFF)"><span id="Midla_trykk_i_havniv.C3.A5_.28MSLP_eller_QFF.29"></span>Midla trykk i havnivå (MSLP eller QFF)</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lufttrykk&veaction=edit&section=2" title="Endre bolk: Midla trykk i havnivå (MSLP eller QFF)" class="mw-editsection-visualeditor"><span>endre</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lufttrykk&action=edit&section=2" title="Rediger kildekoden til seksjonen Midla trykk i havnivå (MSLP eller QFF)"><span>endre wikiteksten</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Det midla trykket i havnivå (mean sea level pressure, MSLP) er trykket ved havnivå eller trykket på land (som ikkje er i havnivå) redusert til havnivå ved å anta eit isotermisk lag ved temperaturen på stasjonen. </p><p>Dette er trykket som vêrobservatørar vanlegvis rapporterer, og som ein kan sjå i aviser eller på fjernsyn. Når eit barometer i heimen er sett til det same trykket som i lokale vêrrapportar, måler dei trykket redusert til havnivå, og ikkje det verkelege lufttrykket. </p><p>Reduksjonen til havnivå tyder at dei normale endringane i lufttrykket vil vere dei same for alle vêrstasjonar, uavhengig av kor høgt stasjonane ligg. <a href="/wiki/H%C3%B8gtrykk" title="Høgtrykk">Høgtrykk</a> og <a href="/wiki/L%C3%A5gtrykk" title="Lågtrykk">lågtrykk</a> er ikkje avhengig av geografisk forhold, og dette gjer at <a href="/wiki/Isobar" title="Isobar">isobarar</a> på eit vêrkart blir eit nyttig verktøy. </p><p>For å måle høgda til eit fly, brukar ein i luftfarten andre måtar å redusere lufttrykket til havnivå, enten <a href="/wiki/QNH" title="QNH">QNH</a> eller <a href="/wiki/QFE" title="QFE">QFE</a> </p> <ul><li><b>QNH</b> er ein metode der lufttrykket er redusert slik at høgdemålaren i flyet viser høgda flyplassen ligg i når flyet står på bakken. Med ISA (internasjonal standard atmosfære) temperaturforhold vil høgdemålaren måle ei høgd over midlare havnivå i nærleiken av flyplassen.</li></ul> <ul><li><b>QFE</b> er ein metode der lufttrykket er redusert slik at høgdemålaren i flyet viser kor høgt flyet er over eit referansepunkt (vanlegvis rullebana) på ein flyplass. Med ISA temperaturforhold vil høgdemålaren vise ei høgd over referansepunktet.</li></ul> <p>Midlare <i>trykk i havnivå</i> er 1013,25 hPa. I flyvêrrapportar (<a href="/wiki/METAR" title="METAR">METAR</a>), blir QNH sendt rundt til heile verda i hektopascal (hPa), unntatt i USA og Canada som brukar eit anna system (inches of mercury). I vêrkoden treng ein berre tre tal, dei to siste tala i tillegg til første tal bak komma. T.d. blir 1013,2 hPa sendt ut som 132, 1000,0 hPa som 000, og 998,7 hPa som 987 osv. Dette kjem av at havnivåtrykket svært sjeldan går over 1050 hPa eller under 950 hPa. Det er likevel mogeleg å kome både over og under desse verdiane. Ein <a href="/wiki/Tropisk_syklon" title="Tropisk syklon">tropisk syklon</a> kan t.d. kome ned i trykk på under 900 hPa. </p> <div class="mw-heading mw-heading2"><h2 id="Endring_av_lufttrykk_med_høgda"><span id="Endring_av_lufttrykk_med_h.C3.B8gda"></span>Endring av lufttrykk med høgda</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lufttrykk&veaction=edit&section=3" title="Endre bolk: Endring av lufttrykk med høgda" class="mw-editsection-visualeditor"><span>endre</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lufttrykk&action=edit&section=3" title="Rediger kildekoden til seksjonen Endring av lufttrykk med høgda"><span>endre wikiteksten</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Trykket endrar seg raskt, men jamnt, frå jordoverflata til det ytre rommet. Lista under her viser lufttrykket (som brøkdel av ein atmosfære) i forskjellige høgder. For å finne trykket (i kPa eller % av atm) i ei gitt høgde kan du bruke ein <a rel="nofollow" class="external text" href="http://bpesoft.com/s/wleizero/xhac/?M=p">Høgdekalkulator</a> </p> <table border="1" cellspacing="1"> <tbody><tr bgcolor="#c0c0c0"><td>Brøkdel av 1 atm</td><td>høgd i meter </td></tr><tr><td> 1 </td><td align="right">0 </td></tr><tr><td> 1/2 </td><td align="right">5486.3 </td></tr><tr><td> 1/3 </td><td align="right">8375.8 </td></tr><tr><td> 1/10 </td><td align="right">16131.9 </td></tr><tr><td> 1/100 </td><td align="right">30900.9 </td></tr><tr><td> 1/1000 </td><td align="right">48467.2 </td></tr><tr><td> 1/10000 </td><td align="right">69463.6 </td></tr><tr><td> 1/100000 </td><td align="right">96281.6 </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="Lokale_trykkvariasjonar">Lokale trykkvariasjonar</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lufttrykk&veaction=edit&section=4" title="Endre bolk: Lokale trykkvariasjonar" class="mw-editsection-visualeditor"><span>endre</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lufttrykk&action=edit&section=4" title="Rediger kildekoden til seksjonen Lokale trykkvariasjonar"><span>endre wikiteksten</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fil:Wilma_2005-10-19_1315Z.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/00/Wilma_2005-10-19_1315Z.jpg/220px-Wilma_2005-10-19_1315Z.jpg" decoding="async" width="220" height="138" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/00/Wilma_2005-10-19_1315Z.jpg/330px-Wilma_2005-10-19_1315Z.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/00/Wilma_2005-10-19_1315Z.jpg/440px-Wilma_2005-10-19_1315Z.jpg 2x" data-file-width="1920" data-file-height="1200" /></a><figcaption>Orkanenen Wilma 19. oktober 2005 – 882 hPa i auge</figcaption></figure> <p>Lufttrykket kan variere mykje på Jorda, og desse variasjonane er viktige for å studere <a href="/wiki/V%C3%AAr" title="Vêr">vêret</a> og <a href="/wiki/Klima" title="Klima">klimaet</a>. Sjå <a href="/wiki/H%C3%B8gtrykk" title="Høgtrykk">høgtrykk</a> eller <a href="/wiki/L%C3%A5gtrykk" title="Lågtrykk">lågtrykk</a> for effektane trykkvariasjonane har på vêret. </p><p>Det høgaste målte lufttrykket nokon gong er 1086 hPa, og vart målt i Tosontsengel i <a href="/wiki/Mongolia" title="Mongolia">Mongolia</a>, <a href="/wiki/19._desember" title="19. desember">19. desember</a> <a href="/wiki/2001" title="2001">2001</a>. </p><p>Det lågaste lufttrykket, som ikkje blei målt i ein tornado, er 870 hPa i samband med <a href="/wiki/Tropisk_syklon" title="Tropisk syklon">tyfonen</a> Tip i det vestlege <a href="/wiki/Stillehavet" title="Stillehavet">Stillehavet</a> 12. oktober 1979. Rekorden i Atlanterhavet er på 882 hPa i samband med orkanen Wilma <a href="/wiki/19._oktober" title="19. oktober">19. oktober</a> <a href="/wiki/2005" title="2005">2005</a>. </p><p>Lufttrykket svingar opp og ned to gonger dagleg på grunn av tidvasskrefter. Denne effekten er veldig sterk i tropiske område, og nesten lik null i polare område. Grafen øvst på sida viser denne daglege variasjonen i Nord-Europa. I tropane kan endringa vere så mykje som 5 hPa. Desse variasjonane har ein rytme på både 24 og 12 timar. </p> <div class="mw-heading mw-heading2"><h2 id="Lufttrykk_forklart_ut_frå_vasstrykk"><span id="Lufttrykk_forklart_ut_fr.C3.A5_vasstrykk"></span>Lufttrykk forklart ut frå vasstrykk</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lufttrykk&veaction=edit&section=5" title="Endre bolk: Lufttrykk forklart ut frå vasstrykk" class="mw-editsection-visualeditor"><span>endre</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lufttrykk&action=edit&section=5" title="Rediger kildekoden til seksjonen Lufttrykk forklart ut frå vasstrykk"><span>endre wikiteksten</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Lufttrykket blir ofte målt med eit <a href="/wiki/Barometer" title="Barometer">kvikksølvbarometer</a>, og ei høgd på om lag 760 mm med kvikksølv blir ofte brukt for å illustrere (og måle) lufttrykket. Men sidan folk flest vanlegvis ikkje kjem i kontakt med kvikksølv, kan vatn vere ein meir nyttig måte å forklare lufttrykket i atmosfæren på. Eit trykk på ei atmosfære er det trykket som må til for å løfte vatn om lag 10,3 m. Så ein dykkar som er på 10,3 m djup i ferskvatn vil oppleve eit trykk på om lag 2 atmosfærar (1 atm frå luft og 1 atm frå vatnet) </p> <div class="mw-heading mw-heading2"><h2 id="Sjå_òg"><span id="Sj.C3.A5_.C3.B2g"></span>Sjå òg</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lufttrykk&veaction=edit&section=6" title="Endre bolk: Sjå òg" class="mw-editsection-visualeditor"><span>endre</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lufttrykk&action=edit&section=6" title="Rediger kildekoden til seksjonen Sjå òg"><span>endre wikiteksten</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Hydrostatisk_likning" title="Hydrostatisk likning">Hydrostatisk likning</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Referansar">Referansar</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lufttrykk&veaction=edit&section=7" title="Endre bolk: Referansar" class="mw-editsection-visualeditor"><span>endre</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lufttrykk&action=edit&section=7" title="Rediger kildekoden til seksjonen Referansar"><span>endre wikiteksten</span></a><span class="mw-editsection-bracket">]</span></span></div> <ol><li>US Department of Defense Military Standard 810E</li> <li>Burt, Christopher C., (2004). <i>Extreme Weather, A Guide & Record Book</i>. W. W. Norton & Company <a href="/wiki/Spesial:Bokkjelder/0393326586" class="internal mw-magiclink-isbn">ISBN 0-393-32658-6</a></li> <li><i>U.S. Standard Atmosphere, 1962</i>, U.S. Government Printing Office, Washington, D.C., 1962.</li> <li><i>U.S. Standard Atmosphere, 1976</i>, U.S. Government Printing Office, Washington, D.C., 1976.</li></ol> <div class="mw-heading mw-heading2"><h2 id="Bakgrunnsstoff">Bakgrunnsstoff</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lufttrykk&veaction=edit&section=8" title="Endre bolk: Bakgrunnsstoff" class="mw-editsection-visualeditor"><span>endre</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lufttrykk&action=edit&section=8" title="Rediger kildekoden til seksjonen Bakgrunnsstoff"><span>endre wikiteksten</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="interbox"> <div style="display: table-cell; vertical-align: middle;"><span typeof="mw:File"><a href="/wiki/Fil:Commons-logo.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/15px-Commons-logo.svg.png" decoding="async" width="15" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/23px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span> Wikimedia Commons har multimedia som gjeld: <b><a href="https://commons.wikimedia.org/wiki/Atmospheric_pressure" class="extiw" title="commons:Atmospheric pressure">Lufttrykk</a></b> </div></div> <ul><li><a rel="nofollow" class="external text" href="http://hyperphysics.phy-astr.gsu.edu/hbase/kinetic/patm.html#atm">Filmar om eksperiment med lufftrykk</a> frå <a href="/w/index.php?title=Georgia_State_University&action=edit&redlink=1" class="new" title="Georgia State University (sida finst ikkje)">Georgia State University</a> si HyperPhysics nettside. 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