{"id":36,"date":"2017-06-22T10:09:28","date_gmt":"2017-06-22T10:09:28","guid":{"rendered":"http:\/\/snow.geus.dk\/?p=36"},"modified":"2017-06-22T11:49:02","modified_gmt":"2017-06-22T11:49:02","slug":"sentinel-2-at-the-lautaret-site","status":"publish","type":"post","link":"http:\/\/snow.geus.dk\/index.php\/2017\/06\/22\/sentinel-2-at-the-lautaret-site\/","title":{"rendered":"Sentinel-2 at the Lautaret site"},"content":{"rendered":"<p>The col du Lautaret site, located in the heart of the French Alps, is used by the team as a validation target for the &#8220;ESA SEOM Sentinel-3 for Science Land Study: Snow S-3-Snow\u201d&#8221; project. The site is host to numerous observations of the snowpack and the atmosphere which will be used as part of this contract, in parallel with other CNRS \/ M\u00e9t\u00e9o France funded projects.<br \/>\nTo account for the evolution of the snowpack a good repetitiveness of observations is necessary, therefore automated ground measurements are carried out during the winter season. Additionally, Sentinel 2 (L1C) data is being used as a inter-comparison tool, to test methods that will be applied to Sentinel 3 imagery.<\/p>\n<p><img data-attachment-id=\"37\" data-permalink=\"http:\/\/snow.geus.dk\/index.php\/2017\/06\/22\/sentinel-2-at-the-lautaret-site\/s2-lautaret\/\" data-orig-file=\"https:\/\/i0.wp.com\/snow.geus.dk\/wp-content\/uploads\/S2-Lautaret.gif?fit=1105%2C917\" data-orig-size=\"1105,917\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"s2-lautaret\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/i0.wp.com\/snow.geus.dk\/wp-content\/uploads\/S2-Lautaret.gif?fit=300%2C249\" data-large-file=\"https:\/\/i0.wp.com\/snow.geus.dk\/wp-content\/uploads\/S2-Lautaret.gif?fit=840%2C697\" decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-37\" src=\"https:\/\/i0.wp.com\/snow.geus.dk\/wp-content\/uploads\/S2-Lautaret.gif?resize=840%2C697\" alt=\"s2-lautaret\" width=\"840\" height=\"697\" data-recalc-dims=\"1\" \/><\/p>\n<p>Above, a time-series animation from Sentinel-2 images aquired over the winter 2016-2017 (Maxim Lamare).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The col du Lautaret site, located in the heart of the French Alps, is used by the team as a validation target for the &#8220;ESA SEOM Sentinel-3 for Science Land Study: Snow S-3-Snow\u201d&#8221; project. The site is host to numerous observations of the snowpack and the atmosphere which will be used as part of this &hellip; <a href=\"http:\/\/snow.geus.dk\/index.php\/2017\/06\/22\/sentinel-2-at-the-lautaret-site\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Sentinel-2 at the Lautaret site&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[3],"tags":[],"jetpack_publicize_connections":[],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paxG8S-A","jetpack-related-posts":[{"id":52,"url":"http:\/\/snow.geus.dk\/index.php\/2017\/07\/07\/sentinel-2-and-sentinel-3-snow-optics-field-validation-at-col-du-lautaret-in-the-french-alps\/","url_meta":{"origin":36,"position":0},"title":"Sentinel-2 and Sentinel-3 snow optics field validation at Col du Lautaret, in the French Alps","date":"July 7, 2017","format":false,"excerpt":"Field measurements are essential for testing the performance of new algorithms and validating satellite remote sensing products. Among the validation sites chosen for the project, Col du Lautaret, in the French Alps is an ideal validation site, as it offers easy access and a variety of conditions to test the\u2026","rel":"","context":"In &quot;field validation&quot;","img":{"alt_text":"2017-03-28-11-21-51","src":"https:\/\/i0.wp.com\/snow.geus.dk\/wp-content\/uploads\/2017-03-28-11-21-51-1024x870.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":133,"url":"http:\/\/snow.geus.dk\/index.php\/2018\/09\/26\/web-story-sentinel-3-validation-team-forge-ahead-with-satellite-data\/","url_meta":{"origin":36,"position":1},"title":"Web Story: Sentinel-3 validation team forge ahead with satellite data","date":"September 26, 2018","format":false,"excerpt":"link to 16 MARCH 2017 Web Story Sentinel-3 Validation Team forge ahead with satellite data Cryosphere Excerpt copied form above link: Sentinel-3 is providing key observations addressing cryosphere's evolution given that decreasing snow cover is one of the clearest indicators of a warming climate. Snow has a major influence on\u2026","rel":"","context":"Similar post","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":69,"url":"http:\/\/snow.geus.dk\/index.php\/2017\/07\/20\/greenland-ice-sheet-undulations-in-low-solar-illumination-angle-sentinel-3-imagery\/","url_meta":{"origin":36,"position":2},"title":"Greenland ice sheet undulations in low solar illumination angle Sentinel-3 imagery","date":"July 20, 2017","format":false,"excerpt":"illuminated by low solar angles, this late 2016\u00a0Sentinel-3 OLCI image spectacularly features Greenland ice sheet undulations.","rel":"","context":"In &quot;Sentinel-3 monitors the cryosphere&quot;","img":{"alt_text":"Sentinel-3 OLCI 864 29 October, 2016 1415 UTC","src":"https:\/\/i0.wp.com\/snow.geus.dk\/wp-content\/uploads\/2016_10_29_14h15m_RGB_864-1024x779.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":27,"url":"http:\/\/snow.geus.dk\/index.php\/2017\/04\/03\/optical-remote-sensing-to-improve-snow-models\/","url_meta":{"origin":36,"position":3},"title":"Optical remote sensing to improve snow models &#8211; Copenhagen Workshop Session","date":"April 3, 2017","format":false,"excerpt":"This ESA SEOM Sentinel-3 for Science Land Study: Snow \"S-3-Snow\"\u00a0includes an element to gather and prioritise snow modeller interest and requirements about optical remotely sensed snow parameters (snow extent, albedo, grain size, impurity content). The ESA contract is to engage\u00a0users of Sentinel-3 snow optical retrievals in 1.) model comparison and\/or\u2026","rel":"","context":"In &quot;meeting&quot;","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":41,"url":"http:\/\/snow.geus.dk\/index.php\/2017\/06\/22\/collocated-sentinel-3-olci-and-slstr-reflectance-imagery\/","url_meta":{"origin":36,"position":4},"title":"Collocated Sentinel-3 OLCI and SLSTR reflectance imagery","date":"June 22, 2017","format":false,"excerpt":"The S3 4Sci Snow research project is gaining momentum, now with scripts that enable batch processing of\u00a0two important steps: 1.) collocating OLCI and SLSTR imagery, that is, aligning pixels to a common geographic grid and 2.) converting the imagery to top of the atmosphere reflectance. (above, 22 August 2016 southern\u2026","rel":"","context":"Similar post","img":{"alt_text":"","src":"https:\/\/i0.wp.com\/snow.geus.dk\/wp-content\/uploads\/20160822-S3-band-21-1020-nm-Greenland.png?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":61,"url":"http:\/\/snow.geus.dk\/index.php\/2017\/07\/10\/snow-blankets-the-greenland-melt-zone\/","url_meta":{"origin":36,"position":5},"title":"snow blankets the Greenland melt zone","date":"July 10, 2017","format":false,"excerpt":"at a time when melting should be in full force and precipitation should perhaps be liquid that solid, Sentinel-3 OLCI provides\u00a0views of a snow blanketed\u00a0western Greenland ice sheet ablation area. (above) 5\u00a0July, 2017 1458 UTC, we see surface meltwater lakes poking through fresh snow and even some snow on land\u2026","rel":"","context":"In &quot;Sentinel-3 monitors the cryosphere&quot;","img":{"alt_text":"","src":"https:\/\/i0.wp.com\/snow.geus.dk\/wp-content\/uploads\/20170705_1458_RGB.jpg?resize=350%2C200","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"http:\/\/snow.geus.dk\/index.php\/wp-json\/wp\/v2\/posts\/36"}],"collection":[{"href":"http:\/\/snow.geus.dk\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/snow.geus.dk\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/snow.geus.dk\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/snow.geus.dk\/index.php\/wp-json\/wp\/v2\/comments?post=36"}],"version-history":[{"count":4,"href":"http:\/\/snow.geus.dk\/index.php\/wp-json\/wp\/v2\/posts\/36\/revisions"}],"predecessor-version":[{"id":50,"href":"http:\/\/snow.geus.dk\/index.php\/wp-json\/wp\/v2\/posts\/36\/revisions\/50"}],"wp:attachment":[{"href":"http:\/\/snow.geus.dk\/index.php\/wp-json\/wp\/v2\/media?parent=36"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/snow.geus.dk\/index.php\/wp-json\/wp\/v2\/categories?post=36"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/snow.geus.dk\/index.php\/wp-json\/wp\/v2\/tags?post=36"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}