{"id":7483,"date":"2026-01-09T15:22:44","date_gmt":"2026-01-09T14:22:44","guid":{"rendered":"https:\/\/academiespatiale.fr\/?post_type=tribe_events&#038;p=7483"},"modified":"2026-01-09T15:25:58","modified_gmt":"2026-01-09T14:25:58","slug":"seminaire-ipgp-la-puissance-des-series-temporelles-dobservation-de-la-terre-a-haute-resolution","status":"publish","type":"tribe_events","link":"https:\/\/academiespatiale.fr\/index.php\/event\/seminaire-ipgp-la-puissance-des-series-temporelles-dobservation-de-la-terre-a-haute-resolution\/","title":{"rendered":"[S\u00e9minaire IPGP] La puissance des s\u00e9ries temporelles d\u2019observation de la terre \u00e0 haute r\u00e9solution"},"content":{"rendered":"<div  class=\"tribe-events-schedule tribe-clearfix\" >\n\t<p class=\"tribe-events-schedule__datetime\">\n\t\t<span class=\"tribe-events-schedule__date tribe-events-schedule__date--start\">\n\t\t\t6 f\u00e9vrier\t\t<\/span>\n\n\t\t\t\t\t<span class=\"tribe-events-schedule__separator tribe-events-schedule__separator--date\">\n\t\t\t\t : \t\t\t<\/span>\n\t\t\t<span class=\"tribe-events-schedule__time tribe-events-schedule__time--start\">\n\t\t\t\t14h00\t\t\t<\/span>\n\t\t\n\t\t\t\t\t\t\t\t\t<span class=\"tribe-events-schedule__separator tribe-events-schedule__separator--time\">\n\t\t\t\t\t&#8211;\t\t\t\t<\/span>\n\t\t\t\n\t\t\t\t\t\t\t<span class=\"tribe-events-schedule__time tribe-events-schedule__time--end\">\n\t\t\t\t\t15h00\t\t\t\t<\/span>\n\t\t\t\n\t\t\t\t\t\t<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-cover is-light\" style=\"padding-top:var(--wp--preset--spacing--80);padding-right:var(--wp--preset--spacing--80);padding-bottom:var(--wp--preset--spacing--80);padding-left:var(--wp--preset--spacing--80);min-height:470px;aspect-ratio:unset;\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-white-background-color has-background-dim-100 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-container-core-cover-is-layout-10bc4538 wp-block-cover-is-layout-constrained\">\n<p class=\"has-text-align-left\"><strong>Olivier Hagolle, chercheur au CESBIO et ing\u00e9nieur au CNES<\/strong>,<strong> pr\u00e9sentera le vendredi 6 f\u00e9vrier 2026, un s\u00e9minaire intitul\u00e9 : \u00ab\u00a0<em>La puissance des s\u00e9ries temporelles d\u2019observation de la terre \u00e0 haute r\u00e9solution\u00a0: illustration avec Sentinel-2.<\/em>\u00a0\u00bb.<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-left\">Ce s\u00e9minaire est organis\u00e9 par les Masters 2 FRS, GAED \/ TGAE et IG-AST de l\u2019Universit\u00e9 Paris-Cit\u00e9, de Sorbonne Universit\u00e9 et de l&rsquo;ENSG, dans le cadre de leur s\u00e9rie annuelle d\u00e9di\u00e9e \u00e0 l\u2019observation spatiale, la g\u00e9omatique et leurs applications.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p class=\"has-text-align-center\"><strong><strong><em><strong><em>La puissance des s\u00e9ries temporelles d\u2019observation <\/em><\/strong><\/em><\/strong><\/strong><br><strong><strong><em><strong><em>de la terre \u00e0 haute r\u00e9solution\u00a0: illustration avec Sentinel-2<\/em><\/strong><\/em><\/strong><\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center\">Vendredi 6 f\u00e9vrier 2025 \u00e0 14h<br>IPGP, salle P07 Outremer<\/p>\n\n\n\n<p class=\"has-text-align-center\">Entr\u00e9e libre, ouvert au public<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"500\" src=\"https:\/\/academiespatiale.fr\/wp-content\/uploads\/2026\/01\/SeminaireUPCite_2026_Hagolle.png\" alt=\"\" class=\"wp-image-7486\" srcset=\"https:\/\/academiespatiale.fr\/wp-content\/uploads\/2026\/01\/SeminaireUPCite_2026_Hagolle.png 750w, https:\/\/academiespatiale.fr\/wp-content\/uploads\/2026\/01\/SeminaireUPCite_2026_Hagolle-300x200.png 300w, https:\/\/academiespatiale.fr\/wp-content\/uploads\/2026\/01\/SeminaireUPCite_2026_Hagolle-360x240.png 360w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p>R\u00e9sum\u00e9 :<\/p>\n\n\n\n<p>Les premi\u00e8res donn\u00e9es issues de la mission Sentinel-2 (programme Copernicus) ont \u00e9t\u00e9 diffus\u00e9es il y a dix ans, de mani\u00e8re libre et gratuite. Cet anniversaire est l\u2019occasion de faire le point sur la r\u00e9volution que cette mission spatiale a apport\u00e9 \u00e0 l\u2019observation des surfaces terrestres. Sentinel-2 observe toutes les terres et les c\u00f4t\u00e9s, tous les 5 jours, \u00e0 une r\u00e9solution de 10m, avec 13 bandes spectrale du bleu au moyen infra-rouge. Ses donn\u00e9es ont d\u00e9j\u00e0 \u00e9t\u00e9 t\u00e9l\u00e9charg\u00e9es par des dizaines de milliers d\u2019utilisateurs dans le monde, ce qui \u00e9tait inesp\u00e9r\u00e9 au moment de son lancement, et la mission continue \u00e0 remporter un succ\u00e8s croissant. Apr\u00e8s un rappel de la phase de conception et des premiers r\u00e9sultats, la pr\u00e9sentation abordera les m\u00e9thodes de traitement, de super-r\u00e9solution, de fusion de donn\u00e9es, et pour finir pr\u00e9sentera diff\u00e9rentes cartes r\u00e9alis\u00e9es au CESBIO sur le territoire Fran\u00e7ais\u00a0: couverture neigeuse, occupation des sols, hauteur des for\u00eats, dates de coupe des prairies, rendement des cultures\u2026<\/p>\n\n\n\n<p class=\"has-background-color-background-color has-background\">Voir tous les webinaires<br>\u2192 <a href=\"https:\/\/academiespatiale.fr\/index.php\/2025\/11\/21\/seminaire-ipgp-2025-2026\/\">Cycle de s\u00e9minaire IPGP \u2013 Observation spatiale et g\u00e9omatique &#8211; Acad\u00e9mie Spatiale d&rsquo;\u00cele-de-France<\/a><br><br>Site officiel<br>\u2192 <a href=\"http:\/\/teledetection.ipgp.fr\/mpt\/MPT_seminaires.htm\" target=\"_blank\" rel=\"noopener\" title=\"\">Seminaires t\u00e9l\u00e9d\u00e9tection IPGP 2025-2026<\/a><\/p>\n<\/div><\/div>\n\n\n\t<div  class=\"tribe-block tribe-block__events-link\" >\n\t\t<div class=\"tribe-events tribe-common\">\n\t\t\t<div class=\"tribe-events-c-subscribe-dropdown__container\">\n\t\t\t\t<div class=\"tribe-events-c-subscribe-dropdown\">\n\t\t\t\t\t<div class=\"tribe-common-c-btn-border tribe-events-c-subscribe-dropdown__button\">\n\t\t\t\t\t\t<svg\n\t class=\"tribe-common-c-svgicon tribe-common-c-svgicon--cal-export tribe-events-c-subscribe-dropdown__export-icon\" \taria-hidden=\"true\"\n\tviewBox=\"0 0 23 17\"\n\txmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n>\n\t<path fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M.128.896V16.13c0 .211.145.383.323.383h15.354c.179 0 .323-.172.323-.383V.896c0-.212-.144-.383-.323-.383H.451C.273.513.128.684.128.896Zm16 6.742h-.901V4.679H1.009v10.729h14.218v-3.336h.901V7.638ZM1.01 1.614h14.218v2.058H1.009V1.614Z\" \/>\n\t<path d=\"M20.5 9.846H8.312M18.524 6.953l2.89 2.909-2.855 2.855\" stroke-width=\"1.2\" 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