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[o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>로그인</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"> 로그아웃한 편집자를 위한 문서 <a href="/wiki/%EB%8F%84%EC%9B%80%EB%A7%90:%EC%86%8C%EA%B0%9C" aria-label="편집에 관해 더 알아보기"><span>더 알아보기</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/%ED%8A%B9%EC%88%98:%EB%82%B4%EA%B8%B0%EC%97%AC" title="이 IP 주소의 편집 목록 [y]" accesskey="y"><span>기여</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/%ED%8A%B9%EC%88%98:%EB%82%B4%EC%82%AC%EC%9A%A9%EC%9E%90%ED%86%A0%EB%A1%A0" title="현재 사용하는 IP 주소에 대한 토론 문서 [n]" accesskey="n"><span>토론</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="사이트"> <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="목차" 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">목차</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">사이드바로 이동</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">숨기기</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">처음 위치</div> </a> </li> <li id="toc-형태" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#형태"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>형태</span> </div> </a> <ul id="toc-형태-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-같이_보기" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#같이_보기"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>같이 보기</span> </div> </a> <ul id="toc-같이_보기-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-각주" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#각주"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>각주</span> </div> </a> <ul id="toc-각주-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="목차" 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="목차 토글" > <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">목차 토글</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">지오이드</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="다른 언어로 문서를 방문합니다. 65개 언어로 읽을 수 있습니다" > <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-65" 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">65개 언어</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%85%D8%AC%D8%B3%D9%85_%D8%A3%D8%B1%D8%B6%D9%8A" title="مجسم أرضي – 아랍어" lang="ar" hreflang="ar" data-title="مجسم أرضي" data-language-autonym="العربية" data-language-local-name="아랍어" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Xeoide" title="Xeoide – 아스투리아어" lang="ast" hreflang="ast" data-title="Xeoide" data-language-autonym="Asturianu" data-language-local-name="아스투리아어" 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/Geoid" title="Geoid – 아제르바이잔어" lang="az" hreflang="az" data-title="Geoid" data-language-autonym="Azərbaycanca" data-language-local-name="아제르바이잔어" 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%BE%D1%96%D0%B4" title="Геоід – 벨라루스어" lang="be" hreflang="be" data-title="Геоід" data-language-autonym="Беларуская" data-language-local-name="벨라루스어" 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%93%D0%B5%D0%BE%D1%96%D0%B4" title="Геоід – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Геоід" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</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%B8%D0%B4" title="Геоид – 불가리아어" lang="bg" hreflang="bg" data-title="Геоид" data-language-autonym="Български" data-language-local-name="불가리아어" 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%9C%E0%A5%8D%E0%A4%AF%E0%A4%BE%E0%A5%85%E0%A4%87%E0%A4%A1" title="ज्याॅइड – Bhojpuri" lang="bh" hreflang="bh" data-title="ज्याॅइड" 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%97%E0%A7%8B%E0%A6%B2%E0%A6%95" title="ভূগোলক – 벵골어" lang="bn" hreflang="bn" data-title="ভূগোলক" data-language-autonym="বাংলা" data-language-local-name="벵골어" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Geoide" title="Geoide – 카탈로니아어" lang="ca" hreflang="ca" data-title="Geoide" data-language-autonym="Català" data-language-local-name="카탈로니아어" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Geoid" title="Geoid – 체코어" lang="cs" hreflang="cs" data-title="Geoid" data-language-autonym="Čeština" data-language-local-name="체코어" 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/Geoide" title="Geoide – 덴마크어" lang="da" hreflang="da" data-title="Geoide" data-language-autonym="Dansk" data-language-local-name="덴마크어" 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/Geoid" title="Geoid – 독일어" lang="de" hreflang="de" data-title="Geoid" data-language-autonym="Deutsch" data-language-local-name="독일어" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-diq mw-list-item"><a href="https://diq.wikipedia.org/wiki/Geoid" title="Geoid – Zazaki" lang="diq" hreflang="diq" data-title="Geoid" data-language-autonym="Zazaki" data-language-local-name="Zazaki" class="interlanguage-link-target"><span>Zazaki</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%B5%CE%B9%CE%B4%CE%AD%CF%82" title="Γεωειδές – 그리스어" lang="el" hreflang="el" data-title="Γεωειδές" data-language-autonym="Ελληνικά" data-language-local-name="그리스어" 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/Geoid" title="Geoid – 영어" lang="en" hreflang="en" data-title="Geoid" data-language-autonym="English" data-language-local-name="영어" 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/Geoido" title="Geoido – 에스페란토어" lang="eo" hreflang="eo" data-title="Geoido" data-language-autonym="Esperanto" data-language-local-name="에스페란토어" 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/Geoide" title="Geoide – 스페인어" lang="es" hreflang="es" data-title="Geoide" data-language-autonym="Español" data-language-local-name="스페인어" 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/Geoid" title="Geoid – 에스토니아어" lang="et" hreflang="et" data-title="Geoid" data-language-autonym="Eesti" data-language-local-name="에스토니아어" 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/Geoide" title="Geoide – 바스크어" lang="eu" hreflang="eu" data-title="Geoide" data-language-autonym="Euskara" data-language-local-name="바스크어" 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/%D8%B2%D9%85%DB%8C%D9%86%E2%80%8C%D9%88%D8%A7%D8%B1" title="زمین‌وار – 페르시아어" lang="fa" hreflang="fa" data-title="زمین‌وار" data-language-autonym="فارسی" data-language-local-name="페르시아어" 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/Geoidi" title="Geoidi – 핀란드어" lang="fi" hreflang="fi" data-title="Geoidi" data-language-autonym="Suomi" data-language-local-name="핀란드어" 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%A9o%C3%AFde" title="Géoïde – 프랑스어" lang="fr" hreflang="fr" data-title="Géoïde" data-language-autonym="Français" data-language-local-name="프랑스어" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Xeoide" title="Xeoide – 갈리시아어" lang="gl" hreflang="gl" data-title="Xeoide" data-language-autonym="Galego" data-language-local-name="갈리시아어" class="interlanguage-link-target"><span>Galego</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%90%D7%99%D7%93" title="גאואיד – 히브리어" lang="he" hreflang="he" data-title="גאואיד" data-language-autonym="עברית" data-language-local-name="히브리어" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Geoid" title="Geoid – 크로아티아어" lang="hr" hreflang="hr" data-title="Geoid" data-language-autonym="Hrvatski" data-language-local-name="크로아티아어" 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/Geoid" title="Geoid – 헝가리어" lang="hu" hreflang="hu" data-title="Geoid" data-language-autonym="Magyar" data-language-local-name="헝가리어" 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%AB%D5%A4" title="Գեոիդ – 아르메니아어" lang="hy" hreflang="hy" data-title="Գեոիդ" data-language-autonym="Հայերեն" data-language-local-name="아르메니아어" 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/Geoid" title="Geoid – 인도네시아어" lang="id" hreflang="id" data-title="Geoid" data-language-autonym="Bahasa Indonesia" data-language-local-name="인도네시아어" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Geoide" title="Geoide – 이탈리아어" lang="it" hreflang="it" data-title="Geoide" data-language-autonym="Italiano" data-language-local-name="이탈리아어" 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/%E3%82%B8%E3%82%AA%E3%82%A4%E3%83%89" title="ジオイド – 일본어" lang="ja" hreflang="ja" data-title="ジオイド" data-language-autonym="日本語" data-language-local-name="일본어" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%92%E1%83%94%E1%83%9D%E1%83%98%E1%83%93%E1%83%98" title="გეოიდი – 조지아어" lang="ka" hreflang="ka" data-title="გეოიდი" data-language-autonym="ქართული" data-language-local-name="조지아어" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kaa mw-list-item"><a href="https://kaa.wikipedia.org/wiki/Geoid" title="Geoid – 카라칼파크어" lang="kaa" hreflang="kaa" data-title="Geoid" data-language-autonym="Qaraqalpaqsha" data-language-local-name="카라칼파크어" class="interlanguage-link-target"><span>Qaraqalpaqsha</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%B8%D0%B4" title="Геоид – 카자흐어" lang="kk" hreflang="kk" data-title="Геоид" data-language-autonym="Қазақша" data-language-local-name="카자흐어" class="interlanguage-link-target"><span>Қазақша</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%B8%D0%B4" title="Геоид – 키르기스어" lang="ky" hreflang="ky" data-title="Геоид" data-language-autonym="Кыргызча" data-language-local-name="키르기스어" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Geoid" title="Geoid – 룩셈부르크어" lang="lb" hreflang="lb" data-title="Geoid" data-language-autonym="Lëtzebuergesch" data-language-local-name="룩셈부르크어" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/%C4%A2eo%C4%ABds" title="Ģeoīds – 라트비아어" lang="lv" hreflang="lv" data-title="Ģeoīds" data-language-autonym="Latviešu" data-language-local-name="라트비아어" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%93%D0%B5%D0%BE%D0%B8%D0%B4" title="Геоид – 마케도니아어" lang="mk" hreflang="mk" data-title="Геоид" data-language-autonym="Македонски" data-language-local-name="마케도니아어" 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%9C%E0%B4%BF%E0%B4%AF%E0%B5%8B%E0%B4%AF%E0%B4%BF%E0%B4%A1%E0%B5%8D" title="ജിയോയിഡ് – 말라얄람어" lang="ml" hreflang="ml" data-title="ജിയോയിഡ്" data-language-autonym="മലയാളം" data-language-local-name="말라얄람어" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Geoid" title="Geoid – 말레이어" lang="ms" hreflang="ms" data-title="Geoid" data-language-autonym="Bahasa Melayu" data-language-local-name="말레이어" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%B8%E0%A4%AE_%E0%A4%97%E0%A5%81%E0%A4%B0%E0%A5%81%E0%A4%A4%E0%A5%8D%E0%A4%B5_%E0%A4%B8%E0%A4%A4%E0%A4%B9_(%E0%A4%9C%E0%A4%BF%E0%A4%AF%E0%A5%8B%E0%A4%87%E0%A4%A1)" title="सम गुरुत्व सतह (जियोइड) – 네팔어" lang="ne" hreflang="ne" data-title="सम गुरुत्व सतह (जियोइड)" data-language-autonym="नेपाली" data-language-local-name="네팔어" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Geo%C3%AFde" title="Geoïde – 네덜란드어" lang="nl" hreflang="nl" data-title="Geoïde" data-language-autonym="Nederlands" data-language-local-name="네덜란드어" 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/Geoide" title="Geoide – 노르웨이어(니노르스크)" lang="nn" hreflang="nn" data-title="Geoide" data-language-autonym="Norsk nynorsk" data-language-local-name="노르웨이어(니노르스크)" 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/Geoide" title="Geoide – 노르웨이어(보크말)" lang="nb" hreflang="nb" data-title="Geoide" data-language-autonym="Norsk bokmål" data-language-local-name="노르웨이어(보크말)" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Geoida" title="Geoida – 폴란드어" lang="pl" hreflang="pl" data-title="Geoida" data-language-autonym="Polski" data-language-local-name="폴란드어" 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/Geoide" title="Geoide – 포르투갈어" lang="pt" hreflang="pt" data-title="Geoide" data-language-autonym="Português" data-language-local-name="포르투갈어" 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/Geoid" title="Geoid – 루마니아어" lang="ro" hreflang="ro" data-title="Geoid" data-language-autonym="Română" data-language-local-name="루마니아어" 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%B8%D0%B4" title="Геоид – 러시아어" lang="ru" hreflang="ru" data-title="Геоид" data-language-autonym="Русский" data-language-local-name="러시아어" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-rue mw-list-item"><a href="https://rue.wikipedia.org/wiki/%D0%93%D0%B5%D0%BE%D0%B8%D0%B4" title="Геоид – 루신어" lang="rue" hreflang="rue" data-title="Геоид" data-language-autonym="Русиньскый" data-language-local-name="루신어" class="interlanguage-link-target"><span>Русиньскый</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Geoid" title="Geoid – 세르비아-크로아티아어" lang="sh" hreflang="sh" data-title="Geoid" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="세르비아-크로아티아어" 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/Geoid" title="Geoid – Simple English" lang="en-simple" hreflang="en-simple" data-title="Geoid" 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/Geoid" title="Geoid – 슬로바키아어" lang="sk" hreflang="sk" data-title="Geoid" data-language-autonym="Slovenčina" data-language-local-name="슬로바키아어" 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/Geoid" title="Geoid – 슬로베니아어" lang="sl" hreflang="sl" data-title="Geoid" data-language-autonym="Slovenščina" data-language-local-name="슬로베니아어" 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/Gjeoidi" title="Gjeoidi – 알바니아어" lang="sq" hreflang="sq" data-title="Gjeoidi" data-language-autonym="Shqip" data-language-local-name="알바니아어" 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%B8%D0%B4" title="Геоид – 세르비아어" lang="sr" hreflang="sr" data-title="Геоид" data-language-autonym="Српски / srpski" data-language-local-name="세르비아어" 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/Geoid" title="Geoid – 스웨덴어" lang="sv" hreflang="sv" data-title="Geoid" data-language-autonym="Svenska" data-language-local-name="스웨덴어" 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%82%E0%AE%AE%E0%AE%BF%E0%AE%B5%E0%AE%9F%E0%AE%BF%E0%AE%B5%E0%AE%AE%E0%AF%8D" title="பூமிவடிவம் – 타밀어" lang="ta" hreflang="ta" data-title="பூமிவடிவம்" data-language-autonym="தமிழ்" data-language-local-name="타밀어" 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%D0%B2%D0%BE%D1%80%D0%B0" title="Заминвора – 타지크어" lang="tg" hreflang="tg" data-title="Заминвора" data-language-autonym="Тоҷикӣ" data-language-local-name="타지크어" 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%88%E0%B8%B5%E0%B8%AD%E0%B8%AD%E0%B8%A2%E0%B8%94%E0%B9%8C" title="จีออยด์ – 태국어" lang="th" hreflang="th" data-title="จีออยด์" data-language-autonym="ไทย" data-language-local-name="태국어" 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/Geoit" title="Geoit – 터키어" lang="tr" hreflang="tr" data-title="Geoit" data-language-autonym="Türkçe" data-language-local-name="터키어" 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%D1%97%D0%B4" title="Геоїд – 우크라이나어" lang="uk" hreflang="uk" data-title="Геоїд" data-language-autonym="Українська" data-language-local-name="우크라이나어" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Geoid" title="Geoid – 우즈베크어" lang="uz" hreflang="uz" data-title="Geoid" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="우즈베크어" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Geoid" title="Geoid – 베트남어" lang="vi" hreflang="vi" data-title="Geoid" data-language-autonym="Tiếng Việt" data-language-local-name="베트남어" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E5%A4%A7%E5%9C%B0%E6%B0%B4%E5%87%86%E9%9D%A2" title="大地水准面 – 우어" lang="wuu" hreflang="wuu" data-title="大地水准面" data-language-autonym="吴语" data-language-local-name="우어" 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%A4%A7%E5%9C%B0%E6%B0%B4%E5%87%86%E9%9D%A2" title="大地水准面 – 중국어" lang="zh" hreflang="zh" data-title="大地水准面" data-language-autonym="中文" data-language-local-name="중국어" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E5%A4%A7%E5%9C%B0%E6%B0%B4%E6%BA%96%E9%9D%A2" title="大地水準面 – 광둥어" lang="yue" hreflang="yue" data-title="大地水準面" data-language-autonym="粵語" data-language-local-name="광둥어" class="interlanguage-link-target"><span>粵語</span></a></li> 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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">보이기</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">사이드바로 이동</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">숨기기</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">위키백과, 우리 모두의 백과사전.</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="ko" dir="ltr"><p><span class="nowrap"></span> 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.sidebar-navbar{text-align:right;font-size:115%;padding:0 0.4em 0.4em}.mw-parser-output .sidebar-list-title{padding:0 0.4em;text-align:left;font-weight:bold;line-height:1.6em;font-size:105%}.mw-parser-output .sidebar-list-title-c{padding:0 0.4em;text-align:center;margin:0 3.3em}@media(max-width:720px){body.mediawiki .mw-parser-output .sidebar{width:100%!important;clear:both;float:none!important;margin-left:0!important;margin-right:0!important}}</style><table class="sidebar sidebar-collapse nomobile nowraplinks"><tbody><tr><th class="sidebar-title" style="padding-bottom:0.4em;"><a href="/wiki/%EC%B8%A1%EC%A7%80%ED%95%99" title="측지학">측지학</a></th></tr><tr><td class="sidebar-image"><span typeof="mw:File"><a href="/wiki/%ED%8C%8C%EC%9D%BC:Azimutalprojektion-schief_kl-cropped.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Azimutalprojektion-schief_kl-cropped.png/120px-Azimutalprojektion-schief_kl-cropped.png" decoding="async" width="120" height="119" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Azimutalprojektion-schief_kl-cropped.png/180px-Azimutalprojektion-schief_kl-cropped.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Azimutalprojektion-schief_kl-cropped.png/240px-Azimutalprojektion-schief_kl-cropped.png 2x" data-file-width="242" data-file-height="240" /></a></span></td></tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title">핵심</div><div class="sidebar-list-content mw-collapsible-content hlist"> <ul><li><a href="/wiki/%EC%B8%A1%EC%A7%80%ED%95%99" title="측지학">측지학</a></li> <li><a href="/w/index.php?title=%EC%A7%80%EA%B5%AC%EC%97%AD%ED%95%99&action=edit&redlink=1" class="new" title="지구역학 (없는 문서)">지구역학</a></li> <li><a href="/w/index.php?title=%EC%A7%80%ED%98%95%EC%A0%95%EB%B3%B4%ED%95%99&action=edit&redlink=1" class="new" title="지형정보학 (없는 문서)">지형정보학</a></li> <li><a href="/w/index.php?title=%EC%B8%A1%EC%A7%80%ED%95%99%EC%9D%98_%EC%97%AD%EC%82%AC&action=edit&redlink=1" class="new" title="측지학의 역사 (없는 문서)">역사</a></li></ul></div></div></td> </tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title">콘셉트</div><div class="sidebar-list-content mw-collapsible-content hlist"> <ul><li><a href="/wiki/%EC%A7%80%EB%A6%AC%EC%A2%8C%ED%91%9C_%EA%B1%B0%EB%A6%AC" title="지리좌표 거리">지리좌표 거리</a></li> <li><a class="mw-selflink selflink">지오이드</a></li> <li><a href="/w/index.php?title=%EC%A7%80%EA%B5%AC%EC%9D%98_%EB%AA%A8%EC%8A%B5&action=edit&redlink=1" class="new" title="지구의 모습 (없는 문서)">지구의 모습</a> <small>(<a href="/wiki/%EC%A7%80%EA%B5%AC_%EB%B0%98%EA%B2%BD" title="지구 반경">반경</a>과 <a href="https://en.wikipedia.org/wiki/Earth%27s_circumference" class="extiw" title="en:Earth's circumference">둘레</a>)</small></li> <li><a href="/w/index.php?title=%EC%B8%A1%EC%A7%80_%EC%A2%8C%ED%91%9C&action=edit&redlink=1" class="new" title="측지 좌표 (없는 문서)">측지 좌표</a></li> <li><a href="/wiki/%EC%B8%A1%EC%A7%80%EA%B3%84" title="측지계">측지계</a></li> <li><a href="/wiki/%EC%B8%A1%EC%A7%80%EC%84%A0" title="측지선">측지선</a></li> <li><a href="https://en.wikipedia.org/wiki/Horizontal_position_representation" class="extiw" title="en:Horizontal position representation">수평 위치 표시</a></li> <li><span class="nowrap"><a href="/wiki/%EC%9C%84%EB%8F%84" title="위도">위도</a> / <a href="/wiki/%EA%B2%BD%EB%8F%84" title="경도">경도</a></span></li> <li><a href="/wiki/%EC%A7%80%EB%8F%84_%ED%88%AC%EC%98%81%EB%B2%95" title="지도 투영법">지도 투영법</a></li> <li><a href="/w/index.php?title=%EA%B8%B0%EC%A4%80_%ED%83%80%EC%9B%90%EC%B2%B4&action=edit&redlink=1" class="new" title="기준 타원체 (없는 문서)">기준 타원체</a></li> <li><a href="https://en.wikipedia.org/wiki/Satellite_geodesy" class="extiw" title="en:Satellite geodesy">위성 측지학</a></li> <li><a href="https://en.wikipedia.org/wiki/Spatial_reference_system" class="extiw" title="en:Spatial reference system">공간 참조 체계</a></li> <li><a href="https://en.wikipedia.org/wiki/Spatial_relation" class="extiw" title="en:Spatial relation">공간 관계</a></li> <li><a href="https://en.wikipedia.org/wiki/Vertical_position" class="extiw" title="en:Vertical position">수직 자세</a></li></ul></div></div></td> </tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title">기술</div><div class="sidebar-list-content mw-collapsible-content hlist"> <ul><li><a href="/wiki/%EC%9C%84%EC%84%B1_%ED%95%AD%EB%B2%95" class="mw-redirect" title="위성 항법">Global Nav. Sat. Systems (GNSSs)</a></li> <li><a href="/wiki/%EB%B2%94%EC%A7%80%EA%B5%AC%EC%9C%84%EC%B9%98%EA%B2%B0%EC%A0%95%EC%8B%9C%EC%8A%A4%ED%85%9C" class="mw-redirect" title="범지구위치결정시스템">Global Pos. System (GPS)</a></li> <li><a href="/wiki/GLONASS" class="mw-redirect" title="GLONASS">GLONASS <span style="font-size:90%;">(러시아)</span></a></li> <li><a href="/wiki/%EB%B2%A0%EC%9D%B4%EB%8D%94%EC%9A%B0" title="베이더우">베이더우 (BDS) <span style="font-size:90%;">(중국)</span></a></li> <li><a href="/wiki/%EA%B0%88%EB%A6%B4%EB%A0%88%EC%98%A4_(%ED%95%AD%EB%B2%95_%EC%8B%9C%EC%8A%A4%ED%85%9C)" title="갈릴레오 (항법 시스템)">갈릴레오 <span style="font-size:90%;">(유럽)</span></a></li> <li><a href="/wiki/IRNSS" title="IRNSS">NAVIC <span style="font-size:90%;">(인도)</span></a></li> <li><a href="/wiki/%EC%A4%80%EC%B2%9C%EC%A0%95_%EC%9C%84%EC%84%B1_%EC%8B%9C%EC%8A%A4%ED%85%9C" class="mw-redirect" title="준천정 위성 시스템">Quasi-Zenith Sat. Sys. (QZSS) <span style="font-size:90%;">(일본)</span></a></li> <li><a href="https://en.wikipedia.org/wiki/Discrete_Global_Grid" class="extiw" title="en:Discrete Global Grid">Discrete Global Grid and Geocoding</a></li></ul></div></div></td> </tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed plainlist"><div class="sidebar-list-title">표준 (역사)</div><div class="sidebar-list-content mw-collapsible-content hlist"><table class="nowrap" style="width:100%;border-collapse:collapse;border-spacing:0px 0px;border:none;line-height:1.2em;"><tbody><tr style="vertical-align:top"><td style="text-align:left;padding-left:0.5em;"> <a href="/w/index.php?title=Sea_Level_Datum_of_1929&action=edit&redlink=1" class="new" title="Sea Level Datum of 1929 (없는 문서)">NGVD 29</a> </td><td style="text-align:right;font-size:90%;padding-right:0.55em;"> Sea Level Datum 1929 </td></tr><tr style="vertical-align:top"><td style="text-align:left;padding-left:0.5em;"> <a href="/w/index.php?title=OSGB36&action=edit&redlink=1" class="new" title="OSGB36 (없는 문서)">OSGB36</a> </td><td style="text-align:right;font-size:90%;padding-right:0.55em;"> Ordnance Survey Great Britain 1936 </td></tr><tr style="vertical-align:top"><td style="text-align:left;padding-left:0.5em;"> <a href="/w/index.php?title=SK-42_reference_system&action=edit&redlink=1" class="new" title="SK-42 reference system (없는 문서)">SK-42</a> </td><td style="text-align:right;font-size:90%;padding-right:0.55em;"> Systema Koordinat 1942 goda </td></tr><tr style="vertical-align:top"><td style="text-align:left;padding-left:0.5em;"> <a href="/w/index.php?title=ED50&action=edit&redlink=1" class="new" title="ED50 (없는 문서)">ED50</a> </td><td style="text-align:right;font-size:90%;padding-right:0.55em;"> European Datum 1950 </td></tr><tr style="vertical-align:top"><td style="text-align:left;padding-left:0.5em;"> <a href="/w/index.php?title=South_American_Datum&action=edit&redlink=1" class="new" title="South American Datum (없는 문서)">SAD69</a> </td><td style="text-align:right;font-size:90%;padding-right:0.55em;"> South American Datum 1969 </td></tr><tr style="vertical-align:top"><td style="text-align:left;padding-left:0.5em;"> <a href="/w/index.php?title=GRS_80&action=edit&redlink=1" class="new" title="GRS 80 (없는 문서)">GRS 80</a> </td><td style="text-align:right;font-size:90%;padding-right:0.55em;"> Geodetic Reference System 1980 </td></tr><tr style="vertical-align:top"><td style="text-align:left;padding-left:0.5em;"> <a href="/wiki/ISO_6709" title="ISO 6709">ISO 6709</a> </td><td style="text-align:right;font-size:90%;padding-right:0.55em;"> Geographic point coord. 1983 </td></tr><tr style="vertical-align:top"><td style="text-align:left;padding-left:0.5em;"> <a href="/w/index.php?title=North_American_Datum&action=edit&redlink=1" class="new" title="North American Datum (없는 문서)">NAD 83</a> </td><td style="text-align:right;font-size:90%;padding-right:0.55em;"> North American Datum 1983 </td></tr><tr style="vertical-align:top"><td style="text-align:left;padding-left:0.5em;"> <a href="/w/index.php?title=World_Geodetic_System&action=edit&redlink=1" class="new" title="World Geodetic System (없는 문서)">WGS 84</a> </td><td style="text-align:right;font-size:90%;padding-right:0.55em;"> World Geodetic System 1984 </td></tr><tr style="vertical-align:top"><td style="text-align:left;padding-left:0.5em;"> <a href="/w/index.php?title=North_American_Vertical_Datum_of_1988&action=edit&redlink=1" class="new" title="North American Vertical Datum of 1988 (없는 문서)">NAVD 88</a> </td><td style="text-align:right;font-size:90%;padding-right:0.55em;"> N. American Vertical Datum 1988 </td></tr><tr style="vertical-align:top"><td style="text-align:left;padding-left:0.5em;"> <a href="/w/index.php?title=European_Terrestrial_Reference_System_1989&action=edit&redlink=1" class="new" title="European Terrestrial Reference System 1989 (없는 문서)">ETRS89</a> </td><td style="text-align:right;font-size:90%;padding-right:0.55em;"> European Terrestrial Ref. Sys. 1989 </td></tr><tr style="vertical-align:top"><td style="text-align:left;padding-left:0.5em;"> <a href="/w/index.php?title=Restrictions_on_geographic_data_in_China&action=edit&redlink=1" class="new" title="Restrictions on geographic data in China (없는 문서)">GCJ-02</a> </td><td style="text-align:right;font-size:90%;padding-right:0.55em;"> Chinese obfuscated datum 2002 </td></tr><tr style="vertical-align:top"><td style="text-align:left;padding-left:0.5em;"> <a href="/w/index.php?title=Geo_URI_scheme&action=edit&redlink=1" class="new" title="Geo URI scheme (없는 문서)">Geo URI</a> </td><td style="text-align:right;font-size:90%;padding-right:0.55em;"> Internet link to a point 2010 </td></tr></tbody></table> <ul><li><a href="/w/index.php?title=%EA%B5%AD%EC%A0%9C_%EC%A7%80%EA%B5%AC_%EA%B8%B0%EC%A4%80_%EC%A2%8C%ED%91%9C%EA%B3%84&action=edit&redlink=1" class="new" title="국제 지구 기준 좌표계 (없는 문서)">국제 지구 기준 좌표계</a></li> <li><a href="https://en.wikipedia.org/wiki/SRID" class="extiw" title="en:SRID">Spatial Reference System Identifier (SRID)</a></li> <li><a href="/wiki/UTM_%EC%A2%8C%ED%91%9C%EA%B3%84" title="UTM 좌표계">Universal Transverse Mercator (UTM)</a></li></ul></div></div></td> </tr><tr><td class="sidebar-navbar"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r36480591"><style data-mw-deduplicate="TemplateStyles:r34311309">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-보기"><a href="/wiki/%ED%8B%80:%EC%B8%A1%EC%A7%80%ED%95%99" title="틀:측지학"><abbr title="이 틀을 보기">v</abbr></a></li><li class="nv-토론"><a href="/w/index.php?title=%ED%8B%80%ED%86%A0%EB%A1%A0:%EC%B8%A1%EC%A7%80%ED%95%99&action=edit&redlink=1" class="new" title="틀토론:측지학 (없는 문서)"><abbr title="이 틀에 관해 토론하기">t</abbr></a></li><li class="nv-편집"><a href="/wiki/%ED%8A%B9%EC%88%98:%EB%AC%B8%EC%84%9C%ED%8E%B8%EC%A7%91/%ED%8B%80:%EC%B8%A1%EC%A7%80%ED%95%99" title="특수:문서편집/틀:측지학"><abbr title="이 틀을 편집하기">e</abbr></a></li></ul></div></td></tr></tbody></table> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/%ED%8C%8C%EC%9D%BC:Geoid_undulation_10k_scale.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Geoid_undulation_10k_scale.jpg/220px-Geoid_undulation_10k_scale.jpg" decoding="async" width="220" height="220" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Geoid_undulation_10k_scale.jpg/330px-Geoid_undulation_10k_scale.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Geoid_undulation_10k_scale.jpg/440px-Geoid_undulation_10k_scale.jpg 2x" data-file-width="1200" data-file-height="1200" /></a><figcaption></figcaption></figure> <p><b>지오이드</b>(<span style="font-size: smaller;"><a href="/wiki/%EC%98%81%EC%96%B4" title="영어">영어</a>: </span><span lang="en">geoid</span>)는 지구상에서 높이(<a href="/wiki/%ED%95%B4%EB%B0%9C%EA%B3%A0%EB%8F%84" title="해발고도">해발고도</a>)를 측정하는 기준이 되는 가상면이다. 이 면은 <a href="/wiki/%EC%A4%91%EB%A0%A5_%ED%8D%BC%ED%85%90%EC%85%9C" title="중력 퍼텐셜">중력 퍼텐셜</a>이 같은 <a href="/wiki/%EB%93%B1%ED%8D%BC%ED%85%90%EC%85%9C%EB%A9%B4" class="mw-redirect" title="등퍼텐셜면">등퍼텐셜면</a>이고,<sup id="cite_ref-토목기사_1-0" class="reference"><a href="#cite_note-토목기사-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> <a href="/wiki/%EC%A4%91%EB%A0%A5_%EA%B0%80%EC%86%8D%EB%8F%84" title="중력 가속도">중력 가속도</a>를 측정할 때 기준면이 된다. 물체는 이 면에 대해서 수직 방향의 <a href="/wiki/%EC%A4%91%EB%A0%A5" title="중력">중력</a>을 받는다.<sup id="cite_ref-토목기사_1-1" class="reference"><a href="#cite_note-토목기사-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> 지오이드의 형태(즉, 위치에 따른 중력의 작용선)의 변화를 측정하면, 지표 아래에 주변과 다른 밀도를 갖는 물질의 존재를 파악할 수 있다. </p><p>지오이드는 바다에서는 평균 해수면으로 정의하고, 육지에서는 바다에서 시작하여 가상의 <a href="/wiki/%EC%88%98%EB%A1%9C" title="수로">수로</a>를 팠을 때, 수로의 수면으로 정의한다.<sup id="cite_ref-토목기사_1-2" class="reference"><a href="#cite_note-토목기사-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="형태"><span id=".ED.98.95.ED.83.9C"></span>형태</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EC%A7%80%EC%98%A4%EC%9D%B4%EB%93%9C&action=edit&section=1" title="부분 편집: 형태"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>실제 지오이드 면은 굴곡이 심해 <a href="/w/index.php?title=%EC%B8%A1%EC%A7%80%EC%B8%A1%EB%9F%89&action=edit&redlink=1" class="new" title="측지측량 (없는 문서)">측지측량</a>에는 활용할 수 없다. <a href="/w/index.php?title=%EC%A4%80%EA%B1%B0%ED%83%80%EC%9B%90%EC%B2%B4&action=edit&redlink=1" class="new" title="준거타원체 (없는 문서)">준거타원체</a>와 거의 동일한 모양이다.<sup id="cite_ref-토목기사_1-3" class="reference"><a href="#cite_note-토목기사-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="같이_보기"><span id=".EA.B0.99.EC.9D.B4_.EB.B3.B4.EA.B8.B0"></span>같이 보기</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EC%A7%80%EC%98%A4%EC%9D%B4%EB%93%9C&action=edit&section=2" title="부분 편집: 같이 보기"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/%EC%A7%80%EA%B5%AC%ED%83%80%EC%9B%90%EC%B2%B4" class="mw-redirect" title="지구타원체">지구타원체</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="각주"><span id=".EA.B0.81.EC.A3.BC"></span>각주</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EC%A7%80%EC%98%A4%EC%9D%B4%EB%93%9C&action=edit&section=3" title="부분 편집: 각주"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-토목기사-1"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-토목기사_1-0">가</a></sup> <sup><a href="#cite_ref-토목기사_1-1">나</a></sup> <sup><a href="#cite_ref-토목기사_1-2">다</a></sup> <sup><a href="#cite_ref-토목기사_1-3">라</a></sup></span> <span class="reference-text"><cite class="citation book">최용기; 박기용 (2015). 《토목기사 과년도 시리즈 - 측량학》. 성안당. <b>1</b>-28쪽. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/9788931568080" title="특수:책찾기/9788931568080"><bdi>9788931568080</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=%ED%86%A0%EB%AA%A9%EA%B8%B0%EC%82%AC+%EA%B3%BC%EB%85%84%EB%8F%84+%EC%8B%9C%EB%A6%AC%EC%A6%88+-+%EC%B8%A1%EB%9F%89%ED%95%99&rft.pages=%27%27%271%27%27%27-28&rft.pub=%EC%84%B1%EC%95%88%EB%8B%B9&rft.date=2015&rft.isbn=9788931568080&rft.au=%EC%B5%9C%EC%9A%A9%EA%B8%B0&rft.au=%EB%B0%95%EA%B8%B0%EC%9A%A9&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EC%A7%80%EC%98%A4%EC%9D%B4%EB%93%9C" class="Z3988"><span style="display:none;"> </span></span></span> </li> </ol></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r36480591"><style 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