{"id":1819675,"date":"2023-11-02T18:47:03","date_gmt":"2023-11-02T22:47:03","guid":{"rendered":"https:\/\/www.maproomblog.com\/?p=1819675"},"modified":"2023-11-02T18:47:03","modified_gmt":"2023-11-02T22:47:03","slug":"mapping-global-sea-levels-at-even-finer-resolution","status":"publish","type":"post","link":"https:\/\/www.maproomblog.com\/2023\/11\/mapping-global-sea-levels-at-even-finer-resolution\/","title":{"rendered":"Mapping Global Sea Levels at Even Finer Resolution"},"content":{"rendered":"<div class=\"jetpack-video-wrapper\"><iframe loading=\"lazy\" title=\"See This Space-Based View of Global Sea Levels From SWOT Data\" width=\"760\" height=\"428\" src=\"https:\/\/www.youtube.com\/embed\/obIkUQtSJgk?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>Launched in December 2022, the <a href=\"https:\/\/swot.jpl.nasa.gov\">Surface Water and Ocean Topography (SWOT)<\/a> satellite measures ocean surface topography\u2014i.e., sea surface height. It recently completed its first full 21-day science orbit, <a href=\"https:\/\/www.jpl.nasa.gov\/news\/see-swot-missions-unprecedented-view-of-global-sea-levels\">which is represented in the above animated globe<\/a>.<\/p>\n<blockquote cite=\"https:\/\/www.jpl.nasa.gov\/news\/see-swot-missions-unprecedented-view-of-global-sea-levels\"><p>The animation shows sea surface height anomalies around the world: Red and orange indicate ocean heights that were higher than the global mean sea surface height, while blue represents heights lower than the mean. Sea level differences can highlight ocean currents, like the Gulf Stream coming off the U.S. East Coast or the Kuroshio current off the east coast of Japan. Sea surface height can also indicate regions of relatively warmer water\u2014like the eastern part of the equatorial Pacific Ocean during an El Ni\u00f1o\u2014because water expands as it warms.<\/p><\/blockquote>\n<p>Sea surface height has been measured by earlier satellites (<a href=\"https:\/\/www.maproomblog.com\/2016\/03\/mapping-global-sea-surface-height\/\">previously<\/a>); SWOT does so at a <a href=\"https:\/\/swot.jpl.nasa.gov\/science\/oceanography\/\">much greater level of detail<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Launched in December 2022, the Surface Water and Ocean Topography (SWOT) satellite measures ocean surface topography\u2014i.e., sea surface height. It recently completed its first full 21-day science orbit, which is represented in the above animated&hellip; <a href=\"https:\/\/www.maproomblog.com\/2023\/11\/mapping-global-sea-levels-at-even-finer-resolution\/\">More<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"link","meta":{"autoblue_enabled":true,"autoblue_custom_message":"","autoblue_shares":[],"autoblue_post_url":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[230,8],"tags":[12,15,362,1637],"class_list":["post-1819675","post","type-post","status-publish","format-link","hentry","category-oceans","category-weather-and-climate","tag-nasa","tag-satellite","tag-sea-levels","tag-swot","post_format-post-format-link"],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":1838783,"url":"https:\/\/www.maproomblog.com\/2025\/04\/seafloor-features-mapped-by-satellite\/","url_meta":{"origin":1819675,"position":0},"title":"Seafloor Features Mapped by Satellite","author":"Jonathan Crowe","date":"1 April 2025","format":"link","excerpt":"NASA Earth Observatory (Michala Garrison\/SWOT data) \u201cMapping the seafloor isn\u2019t the SWOT mission\u2019s primary purpose,\u201d says the JPL, and yet the\u00a0Surface Water and Ocean Topography (SWOT)\u00a0satellite is being used for more than measuring sea surface height: those ocean surface topography measurements can be used to infer features on the seafloor.\u2026","rel":"","context":"In &quot;Oceans&quot;","block_context":{"text":"Oceans","link":"https:\/\/www.maproomblog.com\/category\/oceans\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2025\/04\/eo-seamounts-abyssal.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2025\/04\/eo-seamounts-abyssal.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2025\/04\/eo-seamounts-abyssal.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2025\/04\/eo-seamounts-abyssal.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2025\/04\/eo-seamounts-abyssal.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2025\/04\/eo-seamounts-abyssal.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":1239,"url":"https:\/\/www.maproomblog.com\/2016\/03\/mapping-global-sea-surface-height\/","url_meta":{"origin":1819675,"position":1},"title":"Mapping Global Sea Surface Height","author":"Jonathan Crowe","date":"17 March 2016","format":"image","excerpt":"Jason-3 is the latest earth observation satellite tasked with measuring\u00a0global sea surface height; its data will be used\u00a0in\u00a0weather and climate research (e.g., El Ni\u00f1o, climate change).\u00a0Launched on January 17, it's now in its six-month checkout phase and has produced its first complete map, which corresponds well with the map produced\u2026","rel":"","context":"In &quot;Oceans&quot;","block_context":{"text":"Oceans","link":"https:\/\/www.maproomblog.com\/category\/oceans\/"},"img":{"alt_text":"jason3-20160315","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2016\/03\/jason3-20160315-993x1024.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2016\/03\/jason3-20160315-993x1024.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2016\/03\/jason3-20160315-993x1024.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2016\/03\/jason3-20160315-993x1024.jpg?resize=700%2C400 2x"},"classes":[]},{"id":1838066,"url":"https:\/\/www.maproomblog.com\/2025\/03\/a-new-map-of-the-land-beneath-antarcticas-ice\/","url_meta":{"origin":1819675,"position":2},"title":"A New Map of the Land Beneath Antarctica\u2019s Ice","author":"Jonathan Crowe","date":"18 March 2025","format":"link","excerpt":"From Pritchard et al., Bedmap3 updated ice bed, surface and thickness gridded datasets for Antarctica. Sci Data 12, 414 (2025). The British Antarctic Society has announced the release of Bedmap3, the third and twice-as-detailed topographic model of the landscape beneath the Antarctic ice sheet. Bedmap3,\u00a0as the name suggests, is the\u2026","rel":"","context":"In &quot;Geology&quot;","block_context":{"text":"Geology","link":"https:\/\/www.maproomblog.com\/category\/geology\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2025\/03\/bedmap3.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2025\/03\/bedmap3.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2025\/03\/bedmap3.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2025\/03\/bedmap3.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2025\/03\/bedmap3.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2025\/03\/bedmap3.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":847611,"url":"https:\/\/www.maproomblog.com\/2017\/12\/hurricanes-and-aerosols\/","url_meta":{"origin":1819675,"position":3},"title":"Hurricanes and Aerosols","author":"Jonathan Crowe","date":"27 December 2017","format":"link","excerpt":"NASA's Goddard Space Flight Center produced this visualization, based on computer modelling and data from Earth observing satellites, tracking how hurricanes transport\u00a0sea salt, dust, and smoke across the globe. During the 2017 hurricane season, the storms are visible because of the sea salt that is captured by the storms. Strong\u2026","rel":"","context":"In &quot;Weather and Climate&quot;","block_context":{"text":"Weather and Climate","link":"https:\/\/www.maproomblog.com\/category\/weather-and-climate\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2017\/12\/nasa-hurricanes-aerosols-1024x576.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2017\/12\/nasa-hurricanes-aerosols-1024x576.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2017\/12\/nasa-hurricanes-aerosols-1024x576.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2017\/12\/nasa-hurricanes-aerosols-1024x576.jpg?resize=700%2C400 2x"},"classes":[]},{"id":1805543,"url":"https:\/\/www.maproomblog.com\/2021\/12\/mapping-marine-microplastics\/","url_meta":{"origin":1819675,"position":4},"title":"Mapping Marine Microplastics","author":"Jonathan Crowe","date":"3 December 2021","format":"link","excerpt":"NASA Earth Observatory: \u201cResearchers at the University of Michigan (UM) recently developed a new method to map the concentration of ocean microplastics around the world. The researchers used data from eight microsatellites that are part of the Cyclone Global Navigation Satellite System (CYGNSS) mission. Radio signals from GPS satellites reflect\u2026","rel":"","context":"In &quot;Environment&quot;","block_context":{"text":"Environment","link":"https:\/\/www.maproomblog.com\/category\/environment\/"},"img":{"alt_text":"Maps of microplastics concentrations","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2021\/12\/microplastics-300x300.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":1809733,"url":"https:\/\/www.maproomblog.com\/2022\/11\/mapping-the-shoreline-of-an-ancient-martian-ocean\/","url_meta":{"origin":1819675,"position":5},"title":"Mapping the Shoreline of an Ancient Martian Ocean","author":"Jonathan Crowe","date":"7 November 2022","format":"link","excerpt":"\u201cA recently released set of topography maps provides new evidence for an ancient northern ocean on Mars. The maps offer the strongest case yet that the planet once experienced sea-level rise consistent with an extended warm and wet climate, not the harsh, frozen landscape that exists today.\u201d Press release, video,\u2026","rel":"","context":"In &quot;Astronomy&quot;","block_context":{"text":"Astronomy","link":"https:\/\/www.maproomblog.com\/category\/astronomy\/"},"img":{"alt_text":"3D map showing evidence of ancient Martian shoreline","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/11\/mars-ancient-ocean-1024x564.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/11\/mars-ancient-ocean-1024x564.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/11\/mars-ancient-ocean-1024x564.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/11\/mars-ancient-ocean-1024x564.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1819675","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/comments?post=1819675"}],"version-history":[{"count":3,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1819675\/revisions"}],"predecessor-version":[{"id":1819678,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1819675\/revisions\/1819678"}],"wp:attachment":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/media?parent=1819675"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/categories?post=1819675"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/tags?post=1819675"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}