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Geomorffoleg - Wicipedia

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Fodd bynnag, dydy hyn ddim yn orfodol"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Creu cyfrif</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Arbennig:UserLogin&amp;returnto=Geomorffoleg" title="Fe&#039;ch anogir i fewngofnodi, er nad oes rhaid gwneud. 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Ar gael mewn 84 iaith" > <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-84" 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">84 iaith</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Geomorfologie" title="Geomorfologie - Affricaneg" lang="af" hreflang="af" data-title="Geomorfologie" data-language-autonym="Afrikaans" data-language-local-name="Affricaneg" 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%B9%D9%84%D9%85_%D8%B4%D9%83%D9%84_%D8%A7%D9%84%D8%A3%D8%B1%D8%B6" title="علم شكل الأرض - Arabeg" lang="ar" hreflang="ar" data-title="علم شكل الأرض" data-language-autonym="العربية" data-language-local-name="Arabeg" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D8%AC%D9%8A%D9%88%D9%85%D9%88%D8%B1%D9%81%D9%88%D9%84%D9%88%D8%AC%D9%8A%D8%A7" title="جيومورفولوجيا - Arabeg yr Aifft" lang="arz" hreflang="arz" data-title="جيومورفولوجيا" data-language-autonym="مصرى" data-language-local-name="Arabeg yr Aifft" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Xeomorfolox%C3%ADa" title="Xeomorfoloxía - Astwrianeg" lang="ast" hreflang="ast" data-title="Xeomorfoloxía" data-language-autonym="Asturianu" data-language-local-name="Astwrianeg" 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/Geomorfologiya" title="Geomorfologiya - Aserbaijaneg" lang="az" hreflang="az" data-title="Geomorfologiya" data-language-autonym="Azərbaycanca" data-language-local-name="Aserbaijaneg" 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%93%D0%B5%D0%B0%D0%BC%D0%B0%D1%80%D1%84%D0%B0%D0%BB%D0%BE%D0%B3%D1%96%D1%8F" title="Геамарфалогія - Belarwseg" lang="be" hreflang="be" data-title="Геамарфалогія" data-language-autonym="Беларуская" data-language-local-name="Belarwseg" 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%93%D0%B5%D0%BE%D0%BC%D0%BE%D1%80%D1%84%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D1%8F" title="Геоморфология - Bwlgareg" lang="bg" hreflang="bg" data-title="Геоморфология" data-language-autonym="Български" data-language-local-name="Bwlgareg" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bh mw-list-item"><a href="https://bh.wikipedia.org/wiki/%E0%A4%AD%E0%A5%82%E0%A4%86%E0%A4%95%E0%A5%83%E0%A4%A4%E0%A4%BF_%E0%A4%AC%E0%A4%BF%E0%A4%9C%E0%A5%8D%E0%A4%9E%E0%A4%BE%E0%A4%A8" title="भूआकृति बिज्ञान - Bhojpuri" lang="bh" hreflang="bh" data-title="भूआकृति बिज्ञान" data-language-autonym="भोजपुरी" data-language-local-name="Bhojpuri" class="interlanguage-link-target"><span>भोजपुरी</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AD%E0%A7%82%E0%A6%AE%E0%A6%BF%E0%A6%B0%E0%A7%82%E0%A6%AA%E0%A6%AC%E0%A6%BF%E0%A6%A6%E0%A7%8D%E0%A6%AF%E0%A6%BE" title="ভূমিরূপবিদ্যা - Bengaleg" lang="bn" hreflang="bn" data-title="ভূমিরূপবিদ্যা" data-language-autonym="বাংলা" data-language-local-name="Bengaleg" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Geomorfologija" title="Geomorfologija - Bosnieg" lang="bs" hreflang="bs" data-title="Geomorfologija" data-language-autonym="Bosanski" data-language-local-name="Bosnieg" 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/Geomorfologia" title="Geomorfologia - Catalaneg" lang="ca" hreflang="ca" data-title="Geomorfologia" data-language-autonym="Català" data-language-local-name="Catalaneg" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cdo mw-list-item"><a href="https://cdo.wikipedia.org/wiki/D%C3%AA-m%C3%A2u-h%C5%8Fk" title="Dê-mâu-hŏk - Mindong" lang="cdo" hreflang="cdo" data-title="Dê-mâu-hŏk" data-language-autonym="閩東語 / Mìng-dĕ̤ng-ngṳ̄" data-language-local-name="Mindong" class="interlanguage-link-target"><span>閩東語 / Mìng-dĕ̤ng-ngṳ̄</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Geomorfologie" title="Geomorfologie - Tsieceg" lang="cs" hreflang="cs" data-title="Geomorfologie" data-language-autonym="Čeština" data-language-local-name="Tsieceg" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Geomorfologi" title="Geomorfologi - Daneg" lang="da" hreflang="da" data-title="Geomorfologi" data-language-autonym="Dansk" data-language-local-name="Daneg" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Geomorphologie" title="Geomorphologie - Almaeneg" lang="de" hreflang="de" data-title="Geomorphologie" data-language-autonym="Deutsch" data-language-local-name="Almaeneg" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%93%CE%B5%CF%89%CE%BC%CE%BF%CF%81%CF%86%CE%BF%CE%BB%CE%BF%CE%B3%CE%AF%CE%B1" title="Γεωμορφολογία - Groeg" lang="el" hreflang="el" data-title="Γεωμορφολογία" data-language-autonym="Ελληνικά" data-language-local-name="Groeg" 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/Geomorphology" title="Geomorphology - Saesneg" lang="en" hreflang="en" data-title="Geomorphology" data-language-autonym="English" data-language-local-name="Saesneg" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Geomorfologio" title="Geomorfologio - Esperanto" lang="eo" hreflang="eo" data-title="Geomorfologio" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Geomorfolog%C3%ADa" title="Geomorfología - Sbaeneg" lang="es" hreflang="es" data-title="Geomorfología" data-language-autonym="Español" data-language-local-name="Sbaeneg" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Geomorfoloogia" title="Geomorfoloogia - Estoneg" lang="et" hreflang="et" data-title="Geomorfoloogia" data-language-autonym="Eesti" data-language-local-name="Estoneg" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Geomorfologia" title="Geomorfologia - Basgeg" lang="eu" hreflang="eu" data-title="Geomorfologia" data-language-autonym="Euskara" data-language-local-name="Basgeg" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa badge-Q17437798 badge-goodarticle mw-list-item" title="erthygl dda"><a href="https://fa.wikipedia.org/wiki/%DA%98%D8%A6%D9%88%D9%85%D9%88%D8%B1%D9%81%D9%88%D9%84%D9%88%DA%98%DB%8C" title="ژئومورفولوژی - Perseg" lang="fa" hreflang="fa" data-title="ژئومورفولوژی" data-language-autonym="فارسی" data-language-local-name="Perseg" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Geomorfologia" title="Geomorfologia - Ffinneg" lang="fi" hreflang="fi" data-title="Geomorfologia" data-language-autonym="Suomi" data-language-local-name="Ffinneg" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/G%C3%A9omorphologie" title="Géomorphologie - Ffrangeg" lang="fr" hreflang="fr" data-title="Géomorphologie" data-language-autonym="Français" data-language-local-name="Ffrangeg" 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/Geomoirfeola%C3%ADocht" title="Geomoirfeolaíocht - Gwyddeleg" lang="ga" hreflang="ga" data-title="Geomoirfeolaíocht" data-language-autonym="Gaeilge" data-language-local-name="Gwyddeleg" 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/Xeomorfolox%C3%ADa" title="Xeomorfoloxía - Galisieg" lang="gl" hreflang="gl" data-title="Xeomorfoloxía" data-language-autonym="Galego" data-language-local-name="Galisieg" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-ha mw-list-item"><a href="https://ha.wikipedia.org/wiki/Ilimin_Kimiyyar_Juyin_Sifar_Kasa_(Geomorphology)" title="Ilimin Kimiyyar Juyin Sifar Kasa (Geomorphology) - Hawsa" lang="ha" hreflang="ha" data-title="Ilimin Kimiyyar Juyin Sifar Kasa (Geomorphology)" data-language-autonym="Hausa" data-language-local-name="Hawsa" class="interlanguage-link-target"><span>Hausa</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%92%D7%90%D7%95%D7%9E%D7%95%D7%A8%D7%A4%D7%95%D7%9C%D7%95%D7%92%D7%99%D7%94" title="גאומורפולוגיה - Hebraeg" lang="he" hreflang="he" data-title="גאומורפולוגיה" data-language-autonym="עברית" data-language-local-name="Hebraeg" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%AD%E0%A5%82-%E0%A4%86%E0%A4%95%E0%A5%83%E0%A4%A4%E0%A4%BF_%E0%A4%B5%E0%A4%BF%E0%A4%9C%E0%A5%8D%E0%A4%9E%E0%A4%BE%E0%A4%A8" title="भू-आकृति विज्ञान - Hindi" lang="hi" hreflang="hi" data-title="भू-आकृति विज्ञान" 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/Geomorfologija" title="Geomorfologija - Croateg" lang="hr" hreflang="hr" data-title="Geomorfologija" data-language-autonym="Hrvatski" data-language-local-name="Croateg" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Geomorfol%C3%B3gia" title="Geomorfológia - Hwngareg" lang="hu" hreflang="hu" data-title="Geomorfológia" data-language-autonym="Magyar" data-language-local-name="Hwngareg" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%B3%D5%A5%D5%B8%D5%B4%D5%B8%D6%80%D6%86%D5%B8%D5%AC%D5%B8%D5%A3%D5%AB%D5%A1" title="Գեոմորֆոլոգիա - Armeneg" lang="hy" hreflang="hy" data-title="Գեոմորֆոլոգիա" data-language-autonym="Հայերեն" data-language-local-name="Armeneg" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Geomorfologi" title="Geomorfologi - Indoneseg" lang="id" hreflang="id" data-title="Geomorfologi" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indoneseg" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Geomorfologio" title="Geomorfologio - Ido" lang="io" hreflang="io" data-title="Geomorfologio" data-language-autonym="Ido" data-language-local-name="Ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Geomorfologia" title="Geomorfologia - Eidaleg" lang="it" hreflang="it" data-title="Geomorfologia" data-language-autonym="Italiano" data-language-local-name="Eidaleg" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E5%9C%B0%E5%BD%A2%E5%AD%A6" title="地形学 - Japaneeg" lang="ja" hreflang="ja" data-title="地形学" data-language-autonym="日本語" data-language-local-name="Japaneeg" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/G%C3%A9omorpologi" title="Géomorpologi - Jafanaeg" lang="jv" hreflang="jv" data-title="Géomorpologi" data-language-autonym="Jawa" data-language-local-name="Jafanaeg" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-ka badge-Q17437796 badge-featuredarticle mw-list-item" title="erthygl dan sylw"><a href="https://ka.wikipedia.org/wiki/%E1%83%92%E1%83%94%E1%83%9D%E1%83%9B%E1%83%9D%E1%83%A0%E1%83%A4%E1%83%9D%E1%83%9A%E1%83%9D%E1%83%92%E1%83%98%E1%83%90" title="გეომორფოლოგია - Georgeg" lang="ka" hreflang="ka" data-title="გეომორფოლოგია" data-language-autonym="ქართული" data-language-local-name="Georgeg" 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%93%D0%B5%D0%BE%D0%BC%D0%BE%D1%80%D1%84%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D1%8F" title="Геоморфология - Casacheg" lang="kk" hreflang="kk" data-title="Геоморфология" data-language-autonym="Қазақша" data-language-local-name="Casacheg" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%AD%E0%B3%82%E0%B2%B0%E0%B3%82%E0%B2%AA%E0%B2%B6%E0%B2%BE%E0%B2%B8%E0%B3%8D%E0%B2%A4%E0%B3%8D%E0%B2%B0" title="ಭೂರೂಪಶಾಸ್ತ್ರ - Kannada" lang="kn" hreflang="kn" data-title="ಭೂರೂಪಶಾಸ್ತ್ರ" data-language-autonym="ಕನ್ನಡ" data-language-local-name="Kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%A7%80%ED%98%95%ED%95%99" title="지형학 - Coreeg" lang="ko" hreflang="ko" data-title="지형학" data-language-autonym="한국어" data-language-local-name="Coreeg" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/Jeomorfoloj%C3%AE" title="Jeomorfolojî - Cwrdeg" lang="ku" hreflang="ku" data-title="Jeomorfolojî" data-language-autonym="Kurdî" data-language-local-name="Cwrdeg" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-kw mw-list-item"><a href="https://kw.wikipedia.org/wiki/Dorfurvonieth" title="Dorfurvonieth - Cernyweg" lang="kw" hreflang="kw" data-title="Dorfurvonieth" data-language-autonym="Kernowek" data-language-local-name="Cernyweg" class="interlanguage-link-target"><span>Kernowek</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%93%D0%B5%D0%BE%D0%BC%D0%BE%D1%80%D1%84%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D1%8F" title="Геоморфология - Cirgiseg" lang="ky" hreflang="ky" data-title="Геоморфология" data-language-autonym="Кыргызча" data-language-local-name="Cirgiseg" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Geomorphologia" title="Geomorphologia - Lladin" lang="la" hreflang="la" data-title="Geomorphologia" data-language-autonym="Latina" data-language-local-name="Lladin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Geomorfologie" title="Geomorfologie - Limbwrgeg" lang="li" hreflang="li" data-title="Geomorfologie" data-language-autonym="Limburgs" data-language-local-name="Limbwrgeg" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Geomorfologija" title="Geomorfologija - Lithwaneg" lang="lt" hreflang="lt" data-title="Geomorfologija" data-language-autonym="Lietuvių" data-language-local-name="Lithwaneg" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/%C4%A2eomorfolo%C4%A3ija" title="Ģeomorfoloģija - Latfieg" lang="lv" hreflang="lv" data-title="Ģeomorfoloģija" data-language-autonym="Latviešu" data-language-local-name="Latfieg" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%AD%E0%B5%82%E0%B4%B0%E0%B5%82%E0%B4%AA%E0%B4%B0%E0%B5%82%E0%B4%AA%E0%B5%80%E0%B4%95%E0%B4%B0%E0%B4%A3%E0%B4%B6%E0%B4%BE%E0%B4%B8%E0%B5%8D%E0%B4%A4%E0%B5%8D%E0%B4%B0%E0%B4%82" title="ഭൂരൂപരൂപീകരണശാസ്ത്രം - Malayalam" lang="ml" hreflang="ml" data-title="ഭൂരൂപരൂപീകരണശാസ്ത്രം" 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%AD%E0%A5%82%E0%A4%B8%E0%A5%8D%E0%A4%A4%E0%A4%B0%E0%A4%B6%E0%A4%BE%E0%A4%B8%E0%A5%8D%E0%A4%A4%E0%A5%8D%E0%A4%B0" title="भूस्तरशास्त्र - Marathi" lang="mr" hreflang="mr" data-title="भूस्तरशास्त्र" 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/Geomorfologi" title="Geomorfologi - Maleieg" lang="ms" hreflang="ms" data-title="Geomorfologi" data-language-autonym="Bahasa Melayu" data-language-local-name="Maleieg" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Geomorfologie" title="Geomorfologie - Iseldireg" lang="nl" hreflang="nl" data-title="Geomorfologie" data-language-autonym="Nederlands" data-language-local-name="Iseldireg" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Geomorfologi" title="Geomorfologi - Norwyeg Nynorsk" lang="nn" hreflang="nn" data-title="Geomorfologi" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwyeg Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Geomorfologi" title="Geomorfologi - Norwyeg Bokmål" lang="nb" hreflang="nb" data-title="Geomorfologi" data-language-autonym="Norsk bokmål" data-language-local-name="Norwyeg Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Geomorfologia" title="Geomorfologia - Ocsitaneg" lang="oc" hreflang="oc" data-title="Geomorfologia" data-language-autonym="Occitan" data-language-local-name="Ocsitaneg" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Geomorfologia" title="Geomorfologia - Pwyleg" lang="pl" hreflang="pl" data-title="Geomorfologia" data-language-autonym="Polski" data-language-local-name="Pwyleg" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-ps mw-list-item"><a href="https://ps.wikipedia.org/wiki/%D8%AC%DB%8C%D9%88_%D9%85%D9%88%D8%B1%D9%81%D9%88%D9%84%D9%88%DA%98%D9%8A" title="جیو مورفولوژي - Pashto" lang="ps" hreflang="ps" data-title="جیو مورفولوژي" data-language-autonym="پښتو" data-language-local-name="Pashto" class="interlanguage-link-target"><span>پښتو</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Geomorfologia" title="Geomorfologia - Portiwgaleg" lang="pt" hreflang="pt" data-title="Geomorfologia" data-language-autonym="Português" data-language-local-name="Portiwgaleg" 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/Geomorfologie" title="Geomorfologie - Rwmaneg" lang="ro" hreflang="ro" data-title="Geomorfologie" data-language-autonym="Română" data-language-local-name="Rwmaneg" 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%93%D0%B5%D0%BE%D0%BC%D0%BE%D1%80%D1%84%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D1%8F" title="Геоморфология - Rwseg" lang="ru" hreflang="ru" data-title="Геоморфология" data-language-autonym="Русский" data-language-local-name="Rwseg" 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%93%D0%B5%D0%BE%D0%BC%D0%BE%D1%80%D1%84%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D1%8F" title="Геоморфология - Sakha" lang="sah" hreflang="sah" data-title="Геоморфология" data-language-autonym="Саха тыла" data-language-local-name="Sakha" class="interlanguage-link-target"><span>Саха тыла</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Geomorfologija" title="Geomorfologija - Serbo-Croateg" lang="sh" hreflang="sh" data-title="Geomorfologija" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croateg" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Geomorphology" title="Geomorphology - Simple English" lang="en-simple" hreflang="en-simple" data-title="Geomorphology" 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-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Geomorfol%C3%B3gia" title="Geomorfológia - Slofaceg" lang="sk" hreflang="sk" data-title="Geomorfológia" data-language-autonym="Slovenčina" data-language-local-name="Slofaceg" 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/Geomorfologija" title="Geomorfologija - Slofeneg" lang="sl" hreflang="sl" data-title="Geomorfologija" data-language-autonym="Slovenščina" data-language-local-name="Slofeneg" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Gjeomorfologjia" title="Gjeomorfologjia - Albaneg" lang="sq" hreflang="sq" data-title="Gjeomorfologjia" data-language-autonym="Shqip" data-language-local-name="Albaneg" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%93%D0%B5%D0%BE%D0%BC%D0%BE%D1%80%D1%84%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D1%98%D0%B0" title="Геоморфологија - Serbeg" lang="sr" hreflang="sr" data-title="Геоморфологија" data-language-autonym="Српски / srpski" data-language-local-name="Serbeg" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Geomorfologi" title="Geomorfologi - Swedeg" lang="sv" hreflang="sv" data-title="Geomorfologi" data-language-autonym="Svenska" data-language-local-name="Swedeg" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AF%81%E0%AE%B5%E0%AE%BF%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AF%81%E0%AE%B1%E0%AE%B5%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D" title="புவிப்புறவியல் - Tamileg" lang="ta" hreflang="ta" data-title="புவிப்புறவியல்" data-language-autonym="தமிழ்" data-language-local-name="Tamileg" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%97%D0%B0%D0%BC%D0%B8%D0%BD%D1%80%D0%B5%D1%85%D1%82%D1%88%D0%B8%D0%BD%D0%BE%D1%81%D3%A3" title="Заминрехтшиносӣ - Tajiceg" lang="tg" hreflang="tg" data-title="Заминрехтшиносӣ" data-language-autonym="Тоҷикӣ" data-language-local-name="Tajiceg" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%98%E0%B8%A3%E0%B8%93%E0%B8%B5%E0%B8%AA%E0%B8%B1%E0%B8%93%E0%B8%90%E0%B8%B2%E0%B8%99%E0%B8%A7%E0%B8%B4%E0%B8%97%E0%B8%A2%E0%B8%B2" title="ธรณีสัณฐานวิทยา - Thai" lang="th" hreflang="th" data-title="ธรณีสัณฐานวิทยา" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Heomorpolohiya" title="Heomorpolohiya - Tagalog" lang="tl" hreflang="tl" data-title="Heomorpolohiya" data-language-autonym="Tagalog" data-language-local-name="Tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Jeomorfoloji" title="Jeomorfoloji - Tyrceg" lang="tr" hreflang="tr" data-title="Jeomorfoloji" data-language-autonym="Türkçe" data-language-local-name="Tyrceg" 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%93%D0%B5%D0%BE%D0%BC%D0%BE%D1%80%D1%84%D0%BE%D0%BB%D0%BE%D0%B3%D1%96%D1%8F" title="Геоморфологія - Wcreineg" lang="uk" hreflang="uk" data-title="Геоморфологія" data-language-autonym="Українська" data-language-local-name="Wcreineg" 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/%D8%AC%DB%8C%D9%88%D9%85%D9%88%D8%B1%D9%81%D9%88%D9%84%D8%A7%D8%AC%DB%8C" title="جیومورفولاجی - Wrdw" lang="ur" hreflang="ur" data-title="جیومورفولاجی" data-language-autonym="اردو" data-language-local-name="Wrdw" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Geomorfologiya" title="Geomorfologiya - Wsbeceg" lang="uz" hreflang="uz" data-title="Geomorfologiya" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Wsbeceg" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vec mw-list-item"><a href="https://vec.wikipedia.org/wiki/Zeomorfo%C5%82ozia" title="Zeomorfołozia - Feniseg" lang="vec" hreflang="vec" data-title="Zeomorfołozia" data-language-autonym="Vèneto" data-language-local-name="Feniseg" class="interlanguage-link-target"><span>Vèneto</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/%C4%90%E1%BB%8Ba_m%E1%BA%A1o_h%E1%BB%8Dc" title="Địa mạo học - Fietnameg" lang="vi" hreflang="vi" data-title="Địa mạo học" data-language-autonym="Tiếng Việt" data-language-local-name="Fietnameg" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-vls mw-list-item"><a href="https://vls.wikipedia.org/wiki/Geomorfologie" title="Geomorfologie - Fflemeg Gorllewinol" lang="vls" hreflang="vls" data-title="Geomorfologie" data-language-autonym="West-Vlams" data-language-local-name="Fflemeg Gorllewinol" class="interlanguage-link-target"><span>West-Vlams</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Heyomorpolohiya" title="Heyomorpolohiya - Winarayeg" lang="war" hreflang="war" data-title="Heyomorpolohiya" data-language-autonym="Winaray" data-language-local-name="Winarayeg" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E5%9C%B0%E8%B2%8C%E5%AD%A6" title="地貌学 - Wu Tsieineaidd" lang="wuu" hreflang="wuu" data-title="地貌学" data-language-autonym="吴语" data-language-local-name="Wu Tsieineaidd" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%9C%B0%E8%B2%8C%E5%AD%A6" title="地貌学 - Tsieinëeg" lang="zh" hreflang="zh" data-title="地貌学" data-language-autonym="中文" data-language-local-name="Tsieinëeg" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/T%C4%93-h%C3%AAng-ha%CC%8Dk" title="Tē-hêng-ha̍k - Minnan" lang="nan" hreflang="nan" data-title="Tē-hêng-ha̍k" 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-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E5%9C%B0%E5%BD%A2%E5%AD%B8" title="地形學 - 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data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Gwedd</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">symud i&#039;r bar ochr</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">cuddio</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">Oddi ar Wicipedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="cy" dir="ltr"><table class="infobox" style="width:22em"><caption>Geomorffoleg</caption><tbody><tr><td colspan="2" style="text-align:center"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/Delwedd:Glacial_landscape.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c5/Glacial_landscape.svg/220px-Glacial_landscape.svg.png" decoding="async" width="220" height="130" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c5/Glacial_landscape.svg/330px-Glacial_landscape.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c5/Glacial_landscape.svg/440px-Glacial_landscape.svg.png 2x" data-file-width="388" data-file-height="230" /></a></span></td></tr><tr><th scope="row">Enghraifft o'r&#160;canlynol</th><td>cangen o ddaeareg, cangen o ddaearyddiaeth&#160;<span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q52109?uselang=cy#P31" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><th scope="row">Math</th><td><a href="/wiki/Daearyddiaeth_ffisegol" title="Daearyddiaeth ffisegol">daearyddiaeth ffisegol</a>, disgyblaeth academaidd&#160;<span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q52109?uselang=cy#P279" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><th scope="row">Rhan&#160;o</th><td>geomorffoleg a regolith ac esblygiad tirwedd&#160;<span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q52109?uselang=cy#P361" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><th scope="row">Yn&#160;cynnwys</th><td><a href="/wiki/Lithosffer" title="Lithosffer">lithosffer</a>&#160;<span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q52109?uselang=cy#P527" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><td colspan="2" style="text-align:center"><span typeof="mw:File"><span title="Tudalen Comin"><img alt="Tudalen Comin" src="//upload.wikimedia.org/wikipedia/commons/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/commons/thumb/4/4a/Commons-logo.svg/18px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/24px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span> <a href="https://commons.wikimedia.org/wiki/Category:Geomorphology" class="extiw" title="commons:Category:Geomorphology">Ffeiliau perthnasol ar Gomin Wicimedia</a></td></tr></tbody></table> <figure typeof="mw:File/Thumb"><a href="/wiki/Delwedd:Cono_de_Arita,_Salar_de_Arizaro_(Argentina).jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/9e/Cono_de_Arita%2C_Salar_de_Arizaro_%28Argentina%29.jpg/250px-Cono_de_Arita%2C_Salar_de_Arizaro_%28Argentina%29.jpg" decoding="async" width="250" height="188" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/9e/Cono_de_Arita%2C_Salar_de_Arizaro_%28Argentina%29.jpg/375px-Cono_de_Arita%2C_Salar_de_Arizaro_%28Argentina%29.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/9e/Cono_de_Arita%2C_Salar_de_Arizaro_%28Argentina%29.jpg/500px-Cono_de_Arita%2C_Salar_de_Arizaro_%28Argentina%29.jpg 2x" data-file-width="1280" data-file-height="960" /></a><figcaption>Cono de Arita, <a href="/w/index.php?title=Salta&amp;action=edit&amp;redlink=1" class="new" title="Salta (dim tudalen ar gael)">Salta</a>, <a href="/wiki/Yr_Ariannin" title="Yr Ariannin">Yr Ariannin</a></figcaption></figure> <figure typeof="mw:File/Thumb"><a href="/wiki/Delwedd:Earth_surface_NGDC_2000.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/1c/Earth_surface_NGDC_2000.jpg/250px-Earth_surface_NGDC_2000.jpg" decoding="async" width="250" height="179" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/1c/Earth_surface_NGDC_2000.jpg/375px-Earth_surface_NGDC_2000.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/1c/Earth_surface_NGDC_2000.jpg/500px-Earth_surface_NGDC_2000.jpg 2x" data-file-width="8548" data-file-height="6118" /></a><figcaption>Wyneb y Ddaear, gyda coch yn dynodi uchter - bryniau a mynyddoedd</figcaption></figure> <p>Astudiaeth o ffurf y ddaear yw <b>geomorffoleg</b>, yn enwedig ei wyneb. Mae'n un disgyblaeth o fewn <a href="/wiki/Daearyddiaeth_ffisegol" title="Daearyddiaeth ffisegol">daearyddiaeth ffisegol</a> sy'n ceisio esbonio sut mae'r ffurfiau ffisegol hyn yn datblygu nawr ac yn y gorffennol. Mae <a href="/wiki/Daeareg" title="Daeareg">daeareg</a> yn gymorth i esbonio ffurf wyneb y ddaear hefyd, ac <a href="/wiki/Erydiad" title="Erydiad">erydiad</a> a <a href="/wiki/Gwaddodiad" title="Gwaddodiad">gwaddodiad</a> yw'r ffactorau pennaf. Oherwydd ein gwybodaeth gynyddol am wyneb y <a href="/wiki/Lleuad" title="Lleuad">lleuad</a> a'r blaned <a href="/wiki/Mawrth_(planed)" title="Mawrth (planed)">Mawrth</a>, mae morffoleg erbyn hyn yn cwmpasu ffurf y cyrff hyn hefyd. </p><p>Er fod morffoleg yn golygu astudiaeth ffurf tirwedd cyffredin fel <a href="/w/index.php?title=Ystum_afon&amp;action=edit&amp;redlink=1" class="new" title="Ystum afon (dim tudalen ar gael)">ystumiau afon</a>, ffurf <a href="/wiki/Bryn" class="mw-disambig" title="Bryn">bryniau</a> neu <a href="/wiki/Bae" title="Bae">baeau</a>, mae'n anodd esbonio hanes y ffurfiad. Dros y milenia newidiwyd siap y tirffurfiau hyn, yn bennaf gan rym <a href="/wiki/Platiau_tectonig" class="mw-redirect" title="Platiau tectonig">blatiau tectonig</a> ynghyd â chyfuniad o brosesau megis effaith dŵr, gwynt, iâ, tân, <a href="/wiki/Organebau_byw" class="mw-redirect" title="Organebau byw">organebau byw</a>, a newidiadau drwy adweithiau cemegol sy'n gyfrifol am ffurfio pridd a deunyddiau eraill. Cafodd yr <a href="/wiki/Hinsawdd" title="Hinsawdd">hinsawdd</a>, felly, gryn effaith ar geomorffoleg y Ddaear, a chafodd dyn hefyd ddylanwad, yn enwedig ers y <a href="/wiki/Chwyldro_Diwydiannol" class="mw-redirect" title="Chwyldro Diwydiannol">Chwyldro Diwydiannol</a>. O ran geoleg, yr effaith fwyaf ar y Ddaear yw'r grymoedd a ffurfiodd y mynyddoedd, ffurfio <a href="/wiki/Llosgfynydd" title="Llosgfynydd">llosgfynyddoedd</a>, newidiadau isostatig i'r tirffurfiau a chreu <a href="/w/index.php?title=Basn_gwaddodol&amp;action=edit&amp;redlink=1" class="new" title="Basn gwaddodol (dim tudalen ar gael)">basnau gwaddodol</a> tyfn ble mae wyneb y Ddaear yn gostwng ac yn cael ei lenwi gan ddeunydd o rannau eraill. Mae wyneb y Ddaear, felly, yn groesdoriad o weithredoedd hinsoddol, hydrolegol a biolegol. </p> <div class="mw-heading mw-heading2"><h2 id="Geirdarddiad">Geirdarddiad</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Geomorffoleg&amp;veaction=edit&amp;section=1" title="Golygu&#039;r adran: Geirdarddiad" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Geomorffoleg&amp;action=edit&amp;section=1" title="Edit section&#039;s source code: Geirdarddiad"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Mae dwy ran i'r gair: 'geo' (<a href="/wiki/Iaith_Roeg" class="mw-redirect" title="Iaith Roeg">Groeg</a>: <i>γῆ' neu </i>gê<i>, "daear" a 'morff': 'μορφή' neu </i>morphḗ<i>, "ffurf". Mae'r terfyniad Cymraeg 'eg' yn cael ei roi ar ddiwedd astudiaethau fel hyn i ddynodi ei fod yn faes academaidd.</i> </p> <div class="mw-heading mw-heading2"><h2 id="Hanes_morffoleg">Hanes morffoleg</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Geomorffoleg&amp;veaction=edit&amp;section=2" title="Golygu&#039;r adran: Hanes morffoleg" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Geomorffoleg&amp;action=edit&amp;section=2" title="Edit section&#039;s source code: Hanes morffoleg"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Yn y blynyddoedd cynnar, roedd morffoleg yn wyddionaeth daearegol. Y <a href="/w/index.php?title=Cylchred_erydiad&amp;action=edit&amp;redlink=1" class="new" title="Cylchred erydiad (dim tudalen ar gael)">cylchred erydiad</a>, a ddatblygwyd gan <a href="/w/index.php?title=Morris_Davis&amp;action=edit&amp;redlink=1" class="new" title="Morris Davis (dim tudalen ar gael)">Morris Davis</a> rhwng <a href="/wiki/1884" title="1884">1884</a> a <a href="/wiki/1899" title="1899">1899</a>, oedd y model morffolegol cyntaf, ond roedd yn syml iawn. </p><p>Datblygwyd model newydd a mwy cymhleth gan <a href="/w/index.php?title=Walther_Penck&amp;action=edit&amp;redlink=1" class="new" title="Walther Penck (dim tudalen ar gael)">Walther Penck</a> yn y <a href="/wiki/1920au" title="1920au">1920au</a>. </p> <!-- NewPP limit report Parsed by mw‐api‐int.codfw.main‐5fd4fc67fd‐gs46r Cached time: 20241104220027 Cache expiry: 2592000 Reduced expiry: false Complications: [] CPU time usage: 0.251 seconds Real time usage: 0.407 seconds Preprocessor visited node count: 3227/1000000 Post‐expand include size: 9348/2097152 bytes Template argument size: 2716/2097152 bytes Highest expansion depth: 10/100 Expensive parser function count: 0/500 Unstrip recursion depth: 0/20 Unstrip post‐expand size: 0/5000000 bytes Lua time usage: 0.137/10.000 seconds Lua memory usage: 3274100/52428800 bytes Number of Wikibase entities loaded: 1/400 --> <!-- Transclusion expansion time report (%,ms,calls,template) 100.00% 283.834 1 -total 100.00% 283.834 1 Nodyn:Pethau 93.53% 265.457 1 Nodyn:Infobox 41.80% 118.656 100 Nodyn:If_first_display_both 5.42% 15.373 2 Nodyn:Wikidata 2.51% 7.111 1 Nodyn:Icon 1.84% 5.214 1 Nodyn:PAGENAMEBASE 1.60% 4.536 2 Nodyn:Main_other 1.41% 4.002 1 Nodyn:Template_other --> <!-- Saved in parser cache with key cywiki:pcache:idhash:2599-0!canonical and timestamp 20241104220027 and revision id 11839254. 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