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id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:%E5%88%9B%E5%BB%BA%E8%B4%A6%E6%88%B7&returnto=%E9%95%BF%E6%B1%9F%E5%8F%A3" title="我们推荐您创建账号并登录，但这不是强制性的"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>创建账号</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:%E7%94%A8%E6%88%B7%E7%99%BB%E5%BD%95&returnto=%E9%95%BF%E6%B1%9F%E5%8F%A3" title="建议你登录，尽管并非必须。[o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>登录</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"> 未登录编辑者的页面 <a href="/wiki/Help:%E6%96%B0%E6%89%8B%E5%85%A5%E9%97%A8" aria-label="了解有关编辑的更多信息"><span>了解详情</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/Special:%E6%88%91%E7%9A%84%E8%B4%A1%E7%8C%AE" title="来自此IP地址的编辑列表[y]" accesskey="y"><span>贡献</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Special:%E6%88%91%E7%9A%84%E8%AE%A8%E8%AE%BA%E9%A1%B5" title="对于来自此IP地址编辑的讨论[n]" accesskey="n"><span>讨论</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="站点"> <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="目录" 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">目录</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">移至侧栏</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">隐藏</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">序言</div> </a> </li> <li id="toc-演变" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#演变"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>演变</span> </div> </a> <ul id="toc-演变-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-水道命名" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#水道命名"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>水道命名</span> </div> </a> <ul id="toc-水道命名-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-参见" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#参见"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>参见</span> </div> </a> <ul id="toc-参见-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-参考文献" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#参考文献"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>参考文献</span> </div> </a> <ul id="toc-参考文献-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="目录" 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="开关目录" > <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">开关目录</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">长江口</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="前往另一种语言写成的文章。2种语言可用" > <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-2" 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">2种语言</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E9%95%BF%E6%B1%9F%E5%8F%A3" title="长江口 – 吴语" lang="wuu" hreflang="wuu" data-title="长江口" data-language-autonym="吴语" data-language-local-name="吴语" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E9%95%B7%E6%B1%9F%E5%8F%A3" title="長江口 – 粤语" lang="yue" hreflang="yue" data-title="長江口" data-language-autonym="粵語" data-language-local-name="粤语" class="interlanguage-link-target"><span>粵語</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q13583217#sitelinks-wikipedia" title="编辑跨语言链接" class="wbc-editpage">编辑链接</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="命名空间"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/%E9%95%BF%E6%B1%9F%E5%8F%A3" title="浏览条目正文[c]" accesskey="c"><span>条目</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Talk:%E9%95%BF%E6%B1%9F%E5%8F%A3" rel="discussion" title="关于此页面的讨论[t]" accesskey="t"><span>讨论</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown " > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="更改语言变体" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">不转换</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-varlang-0" class="selected ca-variants-zh mw-list-item"><a href="/zh/%E9%95%BF%E6%B1%9F%E5%8F%A3" lang="zh" hreflang="zh"><span>不转换</span></a></li><li id="ca-varlang-1" class="ca-variants-zh-Hans mw-list-item"><a href="/zh-hans/%E9%95%BF%E6%B1%9F%E5%8F%A3" lang="zh-Hans" hreflang="zh-Hans"><span>简体</span></a></li><li id="ca-varlang-2" class="ca-variants-zh-Hant mw-list-item"><a href="/zh-hant/%E9%95%BF%E6%B1%9F%E5%8F%A3" lang="zh-Hant" hreflang="zh-Hant"><span>繁體</span></a></li><li id="ca-varlang-3" class="ca-variants-zh-Hans-CN mw-list-item"><a href="/zh-cn/%E9%95%BF%E6%B1%9F%E5%8F%A3" lang="zh-Hans-CN" hreflang="zh-Hans-CN"><span>大陆简体</span></a></li><li id="ca-varlang-4" class="ca-variants-zh-Hant-HK mw-list-item"><a href="/zh-hk/%E9%95%BF%E6%B1%9F%E5%8F%A3" lang="zh-Hant-HK" hreflang="zh-Hant-HK"><span>香港繁體</span></a></li><li id="ca-varlang-5" class="ca-variants-zh-Hant-MO mw-list-item"><a href="/zh-mo/%E9%95%BF%E6%B1%9F%E5%8F%A3" lang="zh-Hant-MO" hreflang="zh-Hant-MO"><span>澳門繁體</span></a></li><li id="ca-varlang-6" class="ca-variants-zh-Hans-MY mw-list-item"><a href="/zh-my/%E9%95%BF%E6%B1%9F%E5%8F%A3" lang="zh-Hans-MY" hreflang="zh-Hans-MY"><span>大马简体</span></a></li><li id="ca-varlang-7" class="ca-variants-zh-Hans-SG mw-list-item"><a href="/zh-sg/%E9%95%BF%E6%B1%9F%E5%8F%A3" lang="zh-Hans-SG" hreflang="zh-Hans-SG"><span>新加坡简体</span></a></li><li id="ca-varlang-8" class="ca-variants-zh-Hant-TW mw-list-item"><a href="/zh-tw/%E9%95%BF%E6%B1%9F%E5%8F%A3" lang="zh-Hant-TW" hreflang="zh-Hant-TW"><span>臺灣正體</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="查看"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/%E9%95%BF%E6%B1%9F%E5%8F%A3"><span>阅读</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%E9%95%BF%E6%B1%9F%E5%8F%A3&action=edit" title="编辑该页面[e]" accesskey="e"><span>编辑</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%E9%95%BF%E6%B1%9F%E5%8F%A3&action=history" title="本页面的早前版本。[h]" accesskey="h"><span>查看历史</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="页面工具"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="工具" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">工具</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">工具</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">移至侧栏</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">隐藏</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="更多选项" > <div class="vector-menu-heading"> 操作 </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/%E9%95%BF%E6%B1%9F%E5%8F%A3"><span>阅读</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=%E9%95%BF%E6%B1%9F%E5%8F%A3&action=edit" title="编辑该页面[e]" accesskey="e"><span>编辑</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=%E9%95%BF%E6%B1%9F%E5%8F%A3&action=history"><span>查看历史</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> 常规 </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:%E9%93%BE%E5%85%A5%E9%A1%B5%E9%9D%A2/%E9%95%BF%E6%B1%9F%E5%8F%A3" title="列出所有与本页相链的页面[j]" accesskey="j"><span>链入页面</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:%E9%93%BE%E5%87%BA%E6%9B%B4%E6%94%B9/%E9%95%BF%E6%B1%9F%E5%8F%A3" rel="nofollow" title="页面链出所有页面的更改[k]" accesskey="k"><span>相关更改</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/Project:%E4%B8%8A%E4%BC%A0" title="上传图像或多媒体文件[u]" accesskey="u"><span>上传文件</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Special:%E7%89%B9%E6%AE%8A%E9%A1%B5%E9%9D%A2" title="全部特殊页面的列表[q]" accesskey="q"><span>特殊页面</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=%E9%95%BF%E6%B1%9F%E5%8F%A3&oldid=84245670" title="此页面该修订版本的固定链接"><span>固定链接</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=%E9%95%BF%E6%B1%9F%E5%8F%A3&action=info" title="关于此页面的更多信息"><span>页面信息</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:%E5%BC%95%E7%94%A8%E6%AD%A4%E9%A1%B5%E9%9D%A2&page=%E9%95%BF%E6%B1%9F%E5%8F%A3&id=84245670&wpFormIdentifier=titleform" title="有关如何引用此页面的信息"><span>引用此页</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:URL%E7%BC%A9%E7%9F%AD%E7%A8%8B%E5%BA%8F&url=https%3A%2F%2Fzh.wikipedia.org%2Fwiki%2F%25E9%2595%25BF%25E6%25B1%259F%25E5%258F%25A3"><span>获取短链接</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a 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typeof="mw:File/Thumb"><a href="/wiki/File:DSC00417_%E9%95%BF%E6%B1%9F%E5%8F%A3_The_yangtze_river_estuary.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c2/DSC00417_%E9%95%BF%E6%B1%9F%E5%8F%A3_The_yangtze_river_estuary.jpg/220px-DSC00417_%E9%95%BF%E6%B1%9F%E5%8F%A3_The_yangtze_river_estuary.jpg" decoding="async" width="220" height="147" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c2/DSC00417_%E9%95%BF%E6%B1%9F%E5%8F%A3_The_yangtze_river_estuary.jpg/330px-DSC00417_%E9%95%BF%E6%B1%9F%E5%8F%A3_The_yangtze_river_estuary.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c2/DSC00417_%E9%95%BF%E6%B1%9F%E5%8F%A3_The_yangtze_river_estuary.jpg/440px-DSC00417_%E9%95%BF%E6%B1%9F%E5%8F%A3_The_yangtze_river_estuary.jpg 2x" data-file-width="7846" data-file-height="5234" /></a><figcaption>上海宝山附近的长江入海口</figcaption></figure> <p><b>长江口</b>是<a href="/wiki/%E9%95%BF%E6%B1%9F" title="长江">长江</a>在<a href="/wiki/%E4%B8%9C%E6%B5%B7" title="东海">东海</a>入海口的一段水域，从<a href="/wiki/%E6%B1%9F%E8%8B%8F" class="mw-redirect" title="江苏">江苏</a><a href="/wiki/%E6%B1%9F%E9%98%B4" class="mw-redirect" title="江阴">江阴</a>鹅鼻嘴起，到入海口的<a href="/wiki/%E9%B8%A1%E9%AA%A8%E7%A4%81" title="鸡骨礁">鸡骨礁</a>为止，长约232公里。<sup id="cite_ref-地方志_1-0" class="reference"><a href="#cite_note-地方志-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="演变"><span id=".E6.BC.94.E5.8F.98"></span>演变</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E9%95%BF%E6%B1%9F%E5%8F%A3&action=edit&section=1" title="编辑章节：演变"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/%E9%95%BF%E6%B1%9F%E4%B8%89%E8%A7%92%E6%B4%B2" title="长江三角洲">长江三角洲</a>为<a href="/wiki/%E5%86%B2%E7%A7%AF%E5%B9%B3%E5%8E%9F" title="冲积平原">冲积平原</a>，由于泥沙成年累月地堆积造成新的陆地，长江的河口也一直在变化。 </p><p>两千年前，长江入海口在今天的<a href="/wiki/%E6%89%AC%E5%B7%9E" class="mw-redirect" title="扬州">扬州</a>、<a href="/wiki/%E9%95%87%E6%B1%9F" class="mw-redirect" title="镇江">镇江</a>附近。至公元3世纪，长江入海口在<a href="/wiki/%E6%B1%9F%E9%98%B4" class="mw-redirect" title="江阴">江阴</a>一带。到了唐<a href="/wiki/%E6%AD%A6%E5%BE%B7" title="武德">武德</a>元年（618年），<a href="/wiki/%E5%B4%87%E6%98%8E%E5%B2%9B" title="崇明岛">崇明岛</a>开始形成，自此河口被分为南北两支。19世纪后期，<a href="/wiki/%E9%95%BF%E5%85%B4%E5%B2%9B_(%E4%B8%8A%E6%B5%B7)" title="长兴岛 (上海)">长兴岛</a>、<a href="/wiki/%E6%A8%AA%E6%B2%99%E5%B2%9B" title="横沙岛">横沙岛</a>陆续露出水面，后又形成了<a href="/wiki/%E4%B9%9D%E6%AE%B5%E6%B2%99" title="九段沙">九段沙</a>。<sup id="cite_ref-地方志_1-1" class="reference"><a href="#cite_note-地方志-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>长江每年挟带约4.86亿吨泥沙入海，在长江口淤积有大量泥沙，给附近航道的安全带来隐患。政府每年需要在长江口进行疏浚工程，将堆积的泥土挖走以保持航道畅通。 </p><p>为了促进废物再利用，地方政府将一些被挖出的泥土用于填海造陆。<a href="/wiki/%E4%B8%8A%E6%B5%B7%E5%B8%82" title="上海市">上海市</a>政府自2003年至2020年间，将位于长江口的<a href="/wiki/%E6%A8%AA%E6%B2%99%E5%B2%9B" title="横沙岛">横沙岛</a>面积增加到原先的三倍，而填海所用材料就来源于长江口疏浚时挖出的泥沙<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>。新形成的陆地现命名为<a href="/wiki/%E6%A8%AA%E6%B2%99%E6%96%B0%E6%B4%B2" title="横沙新洲">横沙新洲</a>，目前全部作为农业用途，不过也有用于建设大型港口的设想。 </p> <div class="mw-heading mw-heading2"><h2 id="水道命名"><span id=".E6.B0.B4.E9.81.93.E5.91.BD.E5.90.8D"></span>水道命名</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E9%95%BF%E6%B1%9F%E5%8F%A3&action=edit&section=2" title="编辑章节：水道命名"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Structure_of_Yangtze_Estuary.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0e/Structure_of_Yangtze_Estuary.svg/400px-Structure_of_Yangtze_Estuary.svg.png" decoding="async" width="400" height="334" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0e/Structure_of_Yangtze_Estuary.svg/600px-Structure_of_Yangtze_Estuary.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0e/Structure_of_Yangtze_Estuary.svg/800px-Structure_of_Yangtze_Estuary.svg.png 2x" data-file-width="933" data-file-height="779" /></a><figcaption></figcaption></figure> <p>长江口水道由各大岛屿分隔为数个分支，从上游到下游依次为： </p> <ul><li>崇明岛以北的水道称为“北支”，崇明岛以南的水道称为“南支”；</li> <li>南支水道在长兴岛一分为二，北侧称为“北港”、南侧称为“南港”；</li> <li>南港水道在九段沙再一分为二，北侧称为“北槽”、南侧称为“南槽”。</li></ul> <p>其中南支水道—南港水道—北槽水道一线为长江口的主要航道，水深约7米。<sup id="cite_ref-地方志_1-2" class="reference"><a href="#cite_note-地方志-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="参见"><span id=".E5.8F.82.E8.A7.81"></span>参见</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E9%95%BF%E6%B1%9F%E5%8F%A3&action=edit&section=3" title="编辑章节：参见"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/2020%E5%B9%B4%E9%95%BF%E6%B1%9F%E5%8F%A3%E7%A2%B0%E6%92%9E%E4%BA%8B%E6%95%85" class="mw-redirect" title="2020年长江口碰撞事故">2020年长江口碰撞事故</a><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></li></ul> <div class="mw-heading mw-heading2"><h2 id="参考文献"><span id=".E5.8F.82.E8.80.83.E6.96.87.E7.8C.AE"></span>参考文献</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E9%95%BF%E6%B1%9F%E5%8F%A3&action=edit&section=4" title="编辑章节：参考文献"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="reflist" 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.hlist td ol,.mw-parser-output .navbox .hlist td ul,.mw-parser-output .navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em;width:auto;padding-left:0.2em;position:absolute;left:1em}.mw-parser-output .navbox .mw-collapsible-toggle{margin-left:0.5em;position:absolute;right:1em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style></div><div role="navigation" class="navbox" aria-labelledby="上海市市级河道（湖泊）" style="text-align:left;;padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="collapsible-title navbox-title" colspan="2"><link 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title="上海市">上海市</a>市级河道（湖泊）</div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:center;"><a class="mw-selflink selflink">长江口</a>水系</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/%E5%B4%87%E6%98%8E%E7%92%B0%E5%B3%B6%E9%81%8B%E6%B2%B3" title="崇明環島運河">环岛运河</a></li> <li><a href="/wiki/%E7%BB%83%E7%A5%81%E6%B2%B3" title="练祁河">练祁河</a></li> <li><a href="/wiki/%E5%9B%A2%E6%97%BA%E6%B2%B3" class="mw-redirect" title="团旺河">团旺河</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:center;">跨<a href="/wiki/%E5%90%B4%E6%B7%9E%E6%B1%9F" title="吴淞江">吴淞江</a>、<a href="/wiki/%E9%BB%84%E6%B5%A6%E6%B1%9F" title="黄浦江">黄浦江</a>水系</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/%E5%8D%97%E6%B3%97%E5%A1%98" title="南泗塘">南泗塘</a>-<a href="/wiki/%E6%B2%99%E6%B3%BE%E6%B8%AF" title="沙泾港">沙泾港</a></li> <li><a href="/wiki/%E8%A5%BF%E6%B3%97%E5%A1%98" title="西泗塘">西泗塘</a>-<a href="/wiki/%E4%BF%9E%E6%B3%BE%E6%B5%A6" title="俞泾浦">俞泾浦</a>-<a href="/wiki/%E8%99%B9%E5%8F%A3%E6%B8%AF" title="虹口港">虹口港</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:center;"><a href="/wiki/%E5%90%B4%E6%B7%9E%E6%B1%9F" title="吴淞江">吴淞江</a>水系</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/%E5%90%B4%E6%B7%9E%E6%B1%9F" title="吴淞江">吴淞江</a>-<a href="/wiki/%E5%90%B4%E6%B7%9E%E6%B1%9F" title="吴淞江">苏州河</a></li> <li><a href="/wiki/%E6%B2%B9%E5%A2%A9%E6%B8%AF" title="油墩港">油墩港</a></li> <li><a href="/wiki/%E8%95%B0%E8%97%BB%E6%B5%9C" title="蕰藻浜">蕰藻浜</a></li> <li><a href="/wiki/%E6%BD%98%E6%B3%BE" title="潘泾">潘泾</a></li> <li><a href="/wiki/%E6%A1%83%E6%B5%A6%E6%B2%B3" title="桃浦河">桃浦河</a>-<a href="/wiki/%E6%9C%A8%E7%80%86%E6%B8%AF" title="木瀆港">木瀆港</a></li> <li><a href="/wiki/%E6%96%B0%E6%B3%BE%E6%B8%AF" title="新泾港">新泾港</a></li> <li><a href="/wiki/%E4%B8%9C%E8%8C%AD%E6%B3%BE" title="东茭泾">东茭泾</a>-<a href="/wiki/%E5%BD%AD%E8%B6%8A%E6%B5%A6" title="彭越浦">彭越浦</a></li> <li><a href="/wiki/%E6%96%B0%E6%A7%8E%E6%B5%A6" title="新槎浦">新槎浦</a></li> <li><a href="/wiki/%E8%B5%B0%E9%A9%AC%E5%A1%98" title="走马塘">走马塘</a></li> <li><a href="/wiki/%E8%99%AC%E6%B1%9F" title="虬江">虬江</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:center;"><a href="/wiki/%E9%BB%84%E6%B5%A6%E6%B1%9F" title="黄浦江">黄浦江</a>水系</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/%E9%BB%84%E6%B5%A6%E6%B1%9F" title="黄浦江">黄浦江</a></li> <li><a href="/wiki/%E6%B7%80%E6%B5%A6%E6%B2%B3" title="淀浦河">淀浦河</a></li> <li><a href="/wiki/%E5%A4%A7%E6%B2%BB%E6%B2%B3" title="大治河">大治河</a></li> <li><a href="/wiki/%E6%8B%A6%E8%B7%AF%E6%B8%AF" title="拦路港">拦路港</a>-<a href="/wiki/%E6%B3%96%E6%B2%B3" title="泖河">泖河</a>-<a href="/wiki/%E6%96%9C%E5%A1%98" class="mw-redirect" title="斜塘">斜塘</a></li> <li><a href="/wiki/%E5%B7%9D%E6%9D%A8%E6%B2%B3" title="川杨河">川杨河</a></li> <li><a href="/wiki/%E5%8F%B6%E6%A6%AD%E5%A1%98" title="叶榭塘">叶榭塘</a>-<a href="/wiki/%E5%8F%B6%E6%A6%AD%E5%A1%98" title="叶榭塘">龙泉港</a></li> <li><a href="/wiki/%E9%87%91%E6%B1%87%E6%B8%AF" title="金汇港">金汇港</a></li> <li><a href="/wiki/%E8%83%A5%E6%B5%A6%E5%A1%98" title="胥浦塘">胥浦塘</a>-<a href="/wiki/%E6%8E%98%E7%9F%B3%E6%B8%AF" title="掘石港">掘石港</a>-<a href="/wiki/%E5%A4%A7%E6%B3%96%E6%B8%AF" title="大泖港">大泖港</a></li> <li><a href="/wiki/%E7%B4%85%E6%97%97%E5%A1%98" title="紅旗塘">紅旗塘</a>-<a href="/wiki/%E5%A4%A7%E8%92%B8%E6%B8%AF" title="大蒸港">大蒸塘</a>-<a href="/wiki/%E5%9B%AD%E6%B3%84%E6%B3%BE" title="园泄泾">园泄泾</a></li> <li><a href="/wiki/%E5%A4%AA%E6%B5%A6%E6%B2%B3" title="太浦河">太浦河</a></li> <li><a href="/wiki/%E8%B5%B5%E5%AE%B6%E6%B2%9F" title="赵家沟">赵家沟</a></li> <li><a href="/wiki/%E6%BC%95%E6%B2%B3%E6%B3%BE%E6%B8%AF" title="漕河泾港">漕河泾港</a>-<a href="/wiki/%E9%BE%99%E5%8D%8E%E6%B8%AF" title="龙华港">龙华港</a></li> <li><a href="/wiki/%E5%BC%A0%E5%AE%B6%E5%A1%98%E6%B8%AF" title="张家塘港">张家塘港</a></li> <li><a href="/wiki/%E8%92%B2%E6%B1%87%E5%A1%98" title="蒲汇塘">蒲汇塘</a></li> <li><a href="/wiki/%E6%9D%A8%E6%A0%91%E6%B5%A6%E6%B8%AF" title="杨树浦港">杨树浦港</a></li> <li><a href="/wiki/%E6%B7%80%E5%B1%B1%E6%B9%96" title="淀山湖">淀山湖</a></li> <li><a href="/wiki/%E5%85%83%E8%8D%A1" title="元荡">元荡</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:center;"><a href="/wiki/%E6%9D%AD%E5%B7%9E%E6%B9%BE" title="杭州湾">杭州湾</a>水系</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/%E6%B5%A6%E4%B8%9C%E8%BF%90%E6%B2%B3" title="浦东运河">浦东运河</a></li> <li><a href="/wiki/%E6%B5%A6%E5%8D%97%E8%BF%90%E6%B2%B3" title="浦南运河">浦南运河</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2" style="text-align: left; font-size: 90%;"><div>注：本模板收录的水体标准名称与排列顺序以<a href="/w/index.php?title=%E4%B8%8A%E6%B5%B7%E5%B8%82%E6%B0%B4%E5%8A%A1%E5%B1%80&action=edit&redlink=1" class="new" title="上海市水务局（页面不存在）">上海市水务局</a>2007年9月1日发布的《河流（湖泊）编码》中的市管河流编码表与市管湖泊编码表为基准，水体所属水系以《<a href="/w/index.php?title=%E4%B8%8A%E6%B5%B7%E9%80%9A%E5%BF%97&action=edit&redlink=1" class="new" title="上海通志（页面不存在）">上海通志</a>》为标准。</div></td></tr></tbody></table></div> <table class="metadata plainlinks stub" role="presentation" style="background:transparent"><tbody><tr class="noresize"><td><span typeof="mw:File"><a href="/wiki/File:China_satellite.png" class="mw-file-description"><img alt="小作品圖示" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ea/China_satellite.png/40px-China_satellite.png" decoding="async" width="40" height="30" class="mw-file-element" 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