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Introduction | Sea Level 101 – U.S. Sea Level Change
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class='media_feature_title'> Sea Level 101 </h1> <div class='description'> What is sea level rise, how is it changing, and how can coastal communities plan for the future? These questions and more are answered in this introduction to sea level rise and its impacts. </div> </div> <div class='gradient_container_top'></div> <div class='gradient_container_bottom'></div> </article> </section> <div data-react-class="InfoButton" data-react-props="{"title":"title","info_text":"Credit: NOAA Teacher at Sea Program, NOAA Ship HI’IALAKAI","info_link":null,"info_link_text":"Learn more","position":"left","page_cover_class":"clear"}" data-react-cache-id="InfoButton-0" class="expandable_info_button "></div> </section> <div class='middle_nav from_europa'> <nav class='secondary_nav'> <div class='mobile_middle_nav_header'> <div class='middle_nav_title'> Introduction </div> <div class='middle_nav_title_expanded'> Sea Level 101 </div> <div class='middle_nav_toggler'> <div class='open_icon'> MENU </div> <div class='close_icon'></div> </div> </div> <ul class='middle_nav_items'> <li class='middle_nav_item current'> <a href='/sea-level-101/introduction/' target='_self'> Introduction </a> </li> <li class='middle_nav_item'> <a href='/sea-level-101/global-sea-level-rise/the-basics/' target='_self'> Global Sea Level Rise </a> <div class='arrow_box'> <span class='arrow_down'></span> </div> <ul class='middle_subnav_container'> <li class='middle_subnav_item'> <a target="_self" href="/sea-level-101/global-sea-level-rise/the-basics/">The Basics</a> </li> <li class='middle_subnav_item'> <a target="_self" href="/sea-level-101/global-sea-level-rise/dive-deeper/">Dive Deeper</a> </li> </ul> </li> <li class='middle_nav_item'> <a href='/sea-level-101/local-sea-level-change/the-basics/' target='_self'> Local Sea Level Change </a> <div class='arrow_box'> <span class='arrow_down'></span> </div> <ul class='middle_subnav_container'> <li class='middle_subnav_item'> <a target="_self" href="/sea-level-101/local-sea-level-change/the-basics/">The Basics</a> </li> <li class='middle_subnav_item'> <a target="_self" href="/sea-level-101/local-sea-level-change/dive-deeper/">Dive Deeper</a> </li> </ul> </li> <li class='middle_nav_item'> <a href='/sea-level-101/how-we-measure/the-basics/' target='_self'> How We Measure </a> <div class='arrow_box'> <span class='arrow_down'></span> </div> <ul class='middle_subnav_container'> <li class='middle_subnav_item'> <a target="_self" href="/sea-level-101/how-we-measure/the-basics/">The Basics</a> </li> <li class='middle_subnav_item'> <a target="_self" href="/sea-level-101/how-we-measure/dive-deeper/">Dive Deeper</a> </li> </ul> </li> <li class='middle_nav_item'> <a href='/sea-level-101/future-sea-level/the-basics/' target='_self'> Future Sea Level </a> <div class='arrow_box'> <span class='arrow_down'></span> </div> <ul class='middle_subnav_container'> <li class='middle_subnav_item'> <a target="_self" href="/sea-level-101/future-sea-level/the-basics/">The Basics</a> </li> <li class='middle_subnav_item'> <a target="_self" href="/sea-level-101/future-sea-level/dive-deeper/">Dive Deeper</a> </li> </ul> </li> <li class='middle_nav_item'> <a href='/sea-level-101/impacts/the-basics/' target='_self'> Impacts </a> <div class='arrow_box'> <span class='arrow_down'></span> </div> <ul class='middle_subnav_container'> <li class='middle_subnav_item'> <a target="_self" href="/sea-level-101/impacts/the-basics/">The Basics</a> </li> <li class='middle_subnav_item'> <a target="_self" href="/sea-level-101/impacts/dive-deeper/">Dive Deeper</a> </li> </ul> </li> <li class='middle_nav_item'> <a href='/sea-level-101/what-can-we-do/' target='_self'> What Can We Do? </a> </li> </ul> </nav> <script> $(document).ready(function() { $('.middle_nav_toggler').click(function(e){ e.preventDefault() $('.middle_nav .secondary_nav').toggleClass('mobile_middlenav_open') $('.middle_nav .secondary_nav .middle_nav_items').slideToggle(100); }) $('.middle_nav_item .arrow_box').click(function(e){ e.preventDefault(); $(e.currentTarget).siblings('.middle_subnav_container').slideToggle(); $(e.currentTarget).toggleClass('reverse'); }) }) </script> </div> <div data-react-class="CherTools" data-react-props="{"share":[["Facebook"],["Twitter"],["Pinterest"],["Email"]]}" data-react-cache-id="CherTools-0" class="chertools_floater"></div> <section class='content_page module feature_pages banner_present'> <article> <div id='on_this_page_column'> <div data-react-class="OtpDesktopNav" data-react-props="{}" data-react-cache-id="OtpDesktopNav-0"></div> </div> <div id='primary_column'> <div data-react-class="OtpMobileNav" data-react-props="{}" data-react-cache-id="OtpMobileNav-0"></div> <div class='wysiwyg_content'> <p>For coastal communities and habitats, the ocean plays an important role in daily life. As climate change reshapes our world, sea level rise has become a pressing issue for many coastal communities. </p> <p>Sea Level 101 provides an introduction into the how and why of sea level rise, its impacts, and actions that can be taken to address the challenges coastal communities face from rising seas. Whether you are a student, a concerned citizen, or a policymaker, Sea Level 101 is a guiding resource to help you navigate the ins-and-outs of sea level rise. </p> <section class='automat_module module circle' style='background-color: transparent;'> <div class='automat_items_container'> <header> <h2 class='module_title'> Sea Level Explained: Causes, Effects, and Actions </h2> </header> <div class='automat_items desktop_automat_items item_count_6 numerous_items'> <div class='compartment'> <a class='compartment_link' href='/sea-level-101/global-sea-level-rise/'> <div class='image_container' style='background-image: url(/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBaDhKIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--ea67aceddb738c17823cba7852a6dfecf979f47e/global.jpg)'></div> <div class='gradient_container_bottom'></div> <div class='automat_screen'></div> <div class='automat_cover_title'> <h4 class='title'> Global Sea Level Rise </h4> </div> <div class='automat_text_container'> <h4 class='title'> Global Sea Level Rise </h4> <div class='additional_info'> <div class='rollover_body'>What causes sea levels to rise globally?</div> <div class='more_link'> more </div> </div> </div> </a> </div> <div class='compartment'> <a class='compartment_link' href='/sea-level-101/local-sea-level-change/'> <div class='image_container' style='background-image: url(/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBZ0VKIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--1bf1528d7f627da6dd743ae93334fb0dac5ffecc/local-101.jpg)'></div> <div class='gradient_container_bottom'></div> <div class='automat_screen'></div> <div class='automat_cover_title'> <h4 class='title'> Local Sea Level Change </h4> </div> <div class='automat_text_container'> <h4 class='title'> Local Sea Level Change </h4> <div class='additional_info'> <div class='rollover_body'>Why aren’t sea levels changing the same everywhere?</div> <div class='more_link'> more </div> </div> </div> </a> </div> <div class='compartment'> <a class='compartment_link' href='/sea-level-101/how-we-measure/'> <div class='image_container' style='background-image: url(/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBZ0FKIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--c0b6a159e7d58d7a988f893bdb3b1bbce40b09b8/measure-101.jpg)'></div> <div class='gradient_container_bottom'></div> <div class='automat_screen'></div> <div class='automat_cover_title'> <h4 class='title'> How We Measure </h4> </div> <div class='automat_text_container'> <h4 class='title'> How We Measure </h4> <div class='additional_info'> <div class='rollover_body'>How do you measure changes in sea level?</div> <div class='more_link'> more </div> </div> </div> </a> </div> <div class='compartment'> <a class='compartment_link' href='/sea-level-101/impacts/'> <div class='image_container' style='background-image: url(/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBdjhJIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--549a02f1473743bf313ecfada6b2665f97bc6f0e/impacts-101.jpg)'></div> <div class='gradient_container_bottom'></div> <div class='automat_screen'></div> <div class='automat_cover_title'> <h4 class='title'> Impacts </h4> </div> <div class='automat_text_container'> <h4 class='title'> Impacts </h4> <div class='additional_info'> <div class='rollover_body'>What impacts can happen from sea level rise?</div> <div class='more_link'> more </div> </div> </div> </a> </div> <div class='compartment'> <a class='compartment_link' href='/sea-level-101/future-sea-level/'> <div class='image_container' style='background-image: url(/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBdjRJIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--4c0e7d0f5c0d12aa9543ee69e55173983431bff3/future-101.jpg)'></div> <div class='gradient_container_bottom'></div> <div class='automat_screen'></div> <div class='automat_cover_title'> <h4 class='title'> Future Sea Level </h4> </div> <div class='automat_text_container'> <h4 class='title'> Future Sea Level </h4> <div class='additional_info'> <div class='rollover_body'>What does sea level rise look like in 2030, 2050, and beyond?</div> <div class='more_link'> more </div> </div> </div> </a> </div> <div class='compartment'> <a class='compartment_link' href='/sea-level-101/what-can-we-do/'> <div class='image_container' style='background-image: url(/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBdjBJIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--a3c0970c13a51c63ce0f05be3a592b8f93db7a2b/what-do-101.jpg)'></div> <div class='gradient_container_bottom'></div> <div class='automat_screen'></div> <div class='automat_cover_title'> <h4 class='title'> What Can We Do? </h4> </div> <div class='automat_text_container'> <h4 class='title'> What Can We Do? </h4> <div class='additional_info'> <div class='rollover_body'>What can we do to help limit the impacts from sea level rise on our community?</div> <div class='more_link'> more </div> </div> </div> </a> </div> </div> <div class='automat_items mobile_automat_items item_count_6 numerous_items'> <div class='compartment_mobile automat_item'> <div class='image_container' style='background-image: url(/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBaDhKIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--ea67aceddb738c17823cba7852a6dfecf979f47e/global.jpg)'></div> <div class='automat_screen'></div> <div class='automat_text_container'> <h4 class='title'> Global Sea Level Rise </h4> </div> <div class='additional_info_mobile'> <div class='rollover_body'> What causes sea levels to rise globally? </div> <a class='more_link' href='/sea-level-101/global-sea-level-rise/'> more </a> </div> </div> <div class='compartment_mobile automat_item'> <div class='image_container' style='background-image: url(/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBZ0VKIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--1bf1528d7f627da6dd743ae93334fb0dac5ffecc/local-101.jpg)'></div> <div class='automat_screen'></div> <div class='automat_text_container'> <h4 class='title'> Local Sea Level Change </h4> </div> <div class='additional_info_mobile'> <div class='rollover_body'> Why aren’t sea levels changing the same everywhere? </div> <a class='more_link' href='/sea-level-101/local-sea-level-change/'> more </a> </div> </div> <div class='compartment_mobile automat_item'> <div class='image_container' style='background-image: url(/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBZ0FKIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--c0b6a159e7d58d7a988f893bdb3b1bbce40b09b8/measure-101.jpg)'></div> <div class='automat_screen'></div> <div class='automat_text_container'> <h4 class='title'> How We Measure </h4> </div> <div class='additional_info_mobile'> <div class='rollover_body'> How do you measure changes in sea level? </div> <a class='more_link' href='/sea-level-101/how-we-measure/'> more </a> </div> </div> <div class='compartment_mobile automat_item'> <div class='image_container' style='background-image: url(/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBdjhJIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--549a02f1473743bf313ecfada6b2665f97bc6f0e/impacts-101.jpg)'></div> <div class='automat_screen'></div> <div class='automat_text_container'> <h4 class='title'> Impacts </h4> </div> <div class='additional_info_mobile'> <div class='rollover_body'> What impacts can happen from sea level rise? </div> <a class='more_link' href='/sea-level-101/impacts/'> more </a> </div> </div> <div class='compartment_mobile automat_item'> <div class='image_container' style='background-image: url(/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBdjRJIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--4c0e7d0f5c0d12aa9543ee69e55173983431bff3/future-101.jpg)'></div> <div class='automat_screen'></div> <div class='automat_text_container'> <h4 class='title'> Future Sea Level </h4> </div> <div class='additional_info_mobile'> <div class='rollover_body'> What does sea level rise look like in 2030, 2050, and beyond? </div> <a class='more_link' href='/sea-level-101/future-sea-level/'> more </a> </div> </div> <div class='compartment_mobile automat_item'> <div class='image_container' style='background-image: url(/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBdjBJIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--a3c0970c13a51c63ce0f05be3a592b8f93db7a2b/what-do-101.jpg)'></div> <div class='automat_screen'></div> <div class='automat_text_container'> <h4 class='title'> What Can We Do? </h4> </div> <div class='additional_info_mobile'> <div class='rollover_body'> What can we do to help limit the impacts from sea level rise on our community? </div> <a class='more_link' href='/sea-level-101/what-can-we-do/'> more </a> </div> </div> </div> </div> </section> <hr /> <aside class='aside_module promo'> <a class='image_column' href='/national-sea-level-explorer/' target='_self'> <div class='aside_module_image'> <img alt="graph data" src="/internal_resources/720/guide-promo.jpeg" /> </div> </a> <div class='text_column'> <header> <h2 class='boxed_module_title'> Prepare for a More Resilient Future </h2> </header> <div class='aside_body'> <p> View past, present and future sea level rise and impacts for the coastlines of the United States. </p> </div> <p> <a class='aside_link' href='/national-sea-level-explorer/' target='_self'> National Sea Level Explorer </a> </p> </div> </aside> <script type="text/javascript" src="//script.crazyegg.com/pages/scripts/0126/2516.js" async="async" ></script> </div> </div> </article> </section> </div> 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