{"id":1786713,"date":"2018-11-20T08:52:39","date_gmt":"2018-11-20T13:52:39","guid":{"rendered":"https:\/\/www.maproomblog.com\/?p=1786713"},"modified":"2018-11-20T08:52:39","modified_gmt":"2018-11-20T13:52:39","slug":"antarctica-at-eight-metre-resolution","status":"publish","type":"post","link":"https:\/\/www.maproomblog.com\/2018\/11\/antarctica-at-eight-metre-resolution\/","title":{"rendered":"Antarctica at Eight-Metre Resolution"},"content":{"rendered":"

\"The<\/a><\/p>\n

The Reference Elevation Model of Antarctica<\/a> is a terrain map of nearly the entire continent at eight-metre resolution, assembled from observations from polar-orbiting satellites (mostly in 2015 and 2016). Version 1 covers 98 percent of Antarctica, and observations are ongoing. Notably, each grid point is timestamped, which will allow researchers to track changes over time (useful when your continent is melting). Raw data is available for download, as are map posters; the data is also available via web apps. [Geographical<\/em><\/a>]<\/p>\n","protected":false},"excerpt":{"rendered":"

The Reference Elevation Model of Antarctica is a terrain map of nearly the entire continent at eight-metre resolution, assembled from observations from polar-orbiting satellites (mostly in 2015 and 2016). Version 1 covers 98 percent of… 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":[442],"tags":[841,493,15],"class_list":["post-1786713","post","type-post","status-publish","format-link","hentry","category-surveying","tag-antarctica","tag-dem","tag-satellite","post_format-post-format-link"],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":1788848,"url":"https:\/\/www.maproomblog.com\/2020\/05\/maps-of-antarctica-at-the-british-library\/","url_meta":{"origin":1786713,"position":0},"title":"Maps of Antarctica at the British Library","author":"Jonathan Crowe","date":"26 May 2020","format":"link","excerpt":"Two recent posts at the British Library\u2019s Maps and Views Blog provide \u201ca whistle-stop tour through maps held in the British Library that chart Antarctica\u2019s gradual emergence from obscurity into light.\u201d The first covers maps of Antarctica through the nineteenth century, when the continent went from unknown to unexplored; the\u2026","rel":"","context":"In "Antique Maps"","block_context":{"text":"Antique Maps","link":"https:\/\/www.maproomblog.com\/category\/antique-maps\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2020\/05\/bl-antarctica-150x134.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":927906,"url":"https:\/\/www.maproomblog.com\/2017\/12\/early-radar-maps-of-antarctica-digitized\/","url_meta":{"origin":1786713,"position":1},"title":"Early Radar Maps of Antarctica Digitized","author":"Jonathan Crowe","date":"29 December 2017","format":"link","excerpt":"Nature: \"Glaciologists will soon have a treasure trove of data for exploring how Antarctica\u2019s underbelly\u00a0has changed over nearly half a century. An international team of researchers has scanned and digitized 2 million records from pioneering aeroplane radar expeditions that criss-crossed the frozen continent in the 1960s and 1970s. [...]\u00a0The digitized\u2026","rel":"","context":"In "Surveying"","block_context":{"text":"Surveying","link":"https:\/\/www.maproomblog.com\/category\/surveying\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1838066,"url":"https:\/\/www.maproomblog.com\/2025\/03\/a-new-map-of-the-land-beneath-antarcticas-ice\/","url_meta":{"origin":1786713,"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 "Geology"","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":5581,"url":"https:\/\/www.maproomblog.com\/2013\/06\/mapping-antarcticas-bedrock\/","url_meta":{"origin":1786713,"position":3},"title":"Mapping Antarctica’s Bedrock","author":"Jonathan Crowe","date":"4 June 2013","format":"link","excerpt":"NASA has released an updated map of the bedrock beneath the Antarctic ice sheet; the map, called Bedmap2, adds considerable detail\u2014a tighter grid and millions of data points\u2014to its decade-old predecessor. The image above exaggerates vertical scale by a factor of 17 to increase visibility. See also this short video.","rel":"","context":"In "Geology"","block_context":{"text":"Geology","link":"https:\/\/www.maproomblog.com\/category\/geology\/"},"img":{"alt_text":"Bedmap2 topography map of Antarctica (NASA)","src":"https:\/\/i0.wp.com\/jonathancrowe.net\/images\/2013\/antarctica-bedmap2.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/jonathancrowe.net\/images\/2013\/antarctica-bedmap2.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/jonathancrowe.net\/images\/2013\/antarctica-bedmap2.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":1788951,"url":"https:\/\/www.maproomblog.com\/2020\/07\/john-g-bartholomew-100-years-after-his-death\/","url_meta":{"origin":1786713,"position":4},"title":"John G. Bartholomew, 100 Years After His Death","author":"Jonathan Crowe","date":"2 July 2020","format":"link","excerpt":"A short piece in the Edinburgh Evening News last April noted the 100th anniversary of the death of John G. Bartholomew (1860-1920), the fourth of six generations of mapmaking Bartholomews; their firm, John Bartholomew and Son, was responsible for the Times atlases before they were taken up by HarperCollins. Speaking\u2026","rel":"","context":"In "Antique Maps"","block_context":{"text":"Antique Maps","link":"https:\/\/www.maproomblog.com\/category\/antique-maps\/"},"img":{"alt_text":"John G. Bartholomew","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2020\/07\/john-g-bartholomew-132x150.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":1810183,"url":"https:\/\/www.maproomblog.com\/2022\/12\/anton-thomass-wild-world-a-progress-report\/","url_meta":{"origin":1786713,"position":5},"title":"Anton Thomas’s Wild World: A Progress Report","author":"Jonathan Crowe","date":"2 December 2022","format":"link","excerpt":"Anton Thomas gives us an update on the map he\u2019s been working on for the past two years: Wild World. \u201cWith much ocean ahead, and Antarctica, I think it\u2019ll take another year to finish. But most of the land is done. And prints of certain continents are already available, so\u2026","rel":"","context":"In "Art"","block_context":{"text":"Art","link":"https:\/\/www.maproomblog.com\/category\/art\/"},"img":{"alt_text":"Anton Thomas\u2019s Wild World map, incomplete. Several continents are finished, but oceans and Antarctica are only fainly outlined. It\u2019s using the Natural Earth projection.","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/12\/anton-thomas-wild-world-nov-2022-progress-1024x529.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/12\/anton-thomas-wild-world-nov-2022-progress-1024x529.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/12\/anton-thomas-wild-world-nov-2022-progress-1024x529.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/12\/anton-thomas-wild-world-nov-2022-progress-1024x529.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1786713","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=1786713"}],"version-history":[{"count":2,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1786713\/revisions"}],"predecessor-version":[{"id":1786716,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1786713\/revisions\/1786716"}],"wp:attachment":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/media?parent=1786713"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/categories?post=1786713"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/tags?post=1786713"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}