{"id":133,"date":"2018-09-26T11:05:34","date_gmt":"2018-09-26T11:05:34","guid":{"rendered":"http:\/\/snow.geus.dk\/?p=133"},"modified":"2018-09-26T11:05:34","modified_gmt":"2018-09-26T11:05:34","slug":"web-story-sentinel-3-validation-team-forge-ahead-with-satellite-data","status":"publish","type":"post","link":"http:\/\/snow.geus.dk\/index.php\/2018\/09\/26\/web-story-sentinel-3-validation-team-forge-ahead-with-satellite-data\/","title":{"rendered":"Web Story: Sentinel-3 validation team forge ahead with satellite data"},"content":{"rendered":"
\n

link to 16 MARCH 2017 Web Story<\/p>\n

Sentinel-3 Validation Team forge ahead with satellite data<\/a><\/h1>\n

Cryosphere Excerpt copied form above link:<\/p>\n

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 Earth’s radiation balance and it is also a very sensitive indicator of high latitude climate change, being closely related to shifts in temperature and precipitation regimes.<\/em><\/p>\n

Owing to its importance, snow albedo or reflectivity has been designated as an ECV and a Target Requirement for climate monitoring.<\/em><\/p>\n

A team lead by Professor Jason Box at the\u00a0Geological Survey Denmark and Greenland<\/a>, (GEUS) approaches the snow problem in two ways. Firstly, by studying the feasibility and benefit of snow model data assimilation of Sentinel-3’s optical data.<\/em><\/p>\n

Within this work frame, Marie Dumont, Head of the snowpack observation and modelling team from Centre d’Etudes de la Neige (CNRM\/Meteo France-CNRS UMR3589) in Grenoble, will push data assimilation capabilities to the near-real time frame, thus serving operational models to improve flood and avalanche hazard forecasting.<\/em><\/p>\n

\"Greenland<\/a><\/em><\/p>\n

Another aspect of work related to snow involves field campaigns throughout 2017 and 2018 in Greenland, the French Alps and Antarctica.<\/em><\/p>\n

In Greenland, validation involves fixed-wing drone technology from Aberystwyth University, Wales, supported by the Glaciology Professor at GEUS, Jason Box, who said, “We’re planning to under-fly Sentinel-3 in June 2017 with a 2 m fixed-wing drone, carrying four bands matching Sentinel-3 and with significant overlap with NASA’s MODIS.<\/em><\/p>\n

“The drone flights, combined with ground measurements of snow crystal morphology and impurity content, give us closure on bridging Sentinel-3 with MODIS to build a Climate Data Record of snow properties, identified as an Essential Climate Variable.”<\/em><\/p>\n<\/div>\n

<\/h1>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

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 Earth’s radiation balance and it … Continue reading “Web Story: Sentinel-3 validation team forge ahead with satellite data”<\/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":[1],"tags":[],"jetpack_publicize_connections":[],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paxG8S-29","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":133,"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 "field validation"","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":240,"url":"http:\/\/snow.geus.dk\/index.php\/2020\/05\/07\/web-story-snow-grain-size-it-matters\/","url_meta":{"origin":133,"position":1},"title":"Web Story: Snow grain size \u2013 it matters","date":"May 7, 2020","format":false,"excerpt":"link to 29 MAY 2019 Web Story Snow grain size \u2013 it matters Most of us probably wouldn\u2019t think of describing snow in terms of its grain size. However, grain size is fundamental to the amount of sunlight that snow reflects back into space \u2013 its albedo. With both snow\u2026","rel":"","context":"Similar post","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":36,"url":"http:\/\/snow.geus.dk\/index.php\/2017\/06\/22\/sentinel-2-at-the-lautaret-site\/","url_meta":{"origin":133,"position":2},"title":"Sentinel-2 at the Lautaret site","date":"June 22, 2017","format":false,"excerpt":"The col du Lautaret site, located in the heart of the French Alps, is used by the team as a validation target for the \"ESA SEOM Sentinel-3 for Science Land Study: Snow S-3-Snow\u201d\" project. The site is host to numerous observations of the snowpack and the atmosphere which will be\u2026","rel":"","context":"In "data"","img":{"alt_text":"","src":"https:\/\/i0.wp.com\/snow.geus.dk\/wp-content\/uploads\/S2-Lautaret.gif?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":133,"position":3},"title":"Optical remote sensing to improve snow models – 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 "meeting"","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":82,"url":"http:\/\/snow.geus.dk\/index.php\/2017\/09\/01\/workshop-including-model-uses-of-optical-remotely-sensed-data\/","url_meta":{"origin":133,"position":4},"title":"workshop including Model uses of Optical Remotely Sensed Data","date":"September 1, 2017","format":false,"excerpt":"\u00a0 see session 4 in the following that is designed to resonate with this ESA contract... Workshop:\u00a0Modeling Meltwater in Snow and Firn: Processes, Validation, Intercomparison and Model uses of Optical Remotely Sensed Data 20-22 September 2017, Copenhagen. The\u00a0workshop\u00a0starts\u00a0Wednesday Sep 20 at 12.00, and ends\u00a0Friday Sep 22 at 12.00. A PROMICE\u2026","rel":"","context":"Similar post","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":336,"url":"http:\/\/snow.geus.dk\/index.php\/2023\/05\/26\/historic-greenland-ice-sheet-rainfall-unravelled\/","url_meta":{"origin":133,"position":5},"title":"Web Story: Historic Greenland ice sheet rainfall unravelled","date":"May 26, 2023","format":false,"excerpt":"ESA Web Story - 25\/05\/2022 For the first time ever recorded, in the late summer of 2021, rain fell on the high central region of the Greenland ice sheet. This extraordinary event was followed by the surface snow and ice melting rapidly. 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