{"id":57793,"date":"2025-02-12T11:46:26","date_gmt":"2025-02-12T16:46:26","guid":{"rendered":"http:\/\/www.cec.org\/publications\/nalcms\/"},"modified":"2025-02-12T11:46:26","modified_gmt":"2025-02-12T16:46:26","slug":"nalcms","status":"publish","type":"publications","link":"https:\/\/www.cec.org\/fr\/publications\/nalcms\/","title":{"rendered":"NALCMS. Le Syst\u00e8me nord-am\u00e9ricain de surveillance des changements dans la couverture terrestre."},"content":{"rendered":"<p>Des programmes de cr\u00e9ation d\u2019information sur la couverture terrestre \u00e0 partir de donn\u00e9es g\u00e9ospatiales sont r\u00e9alis\u00e9s \u00e0 diff\u00e9rents \u00e9chelons, du niveau national au niveau mondial; cependant, en fonction des besoins des utilisateur\u00b7trices, l\u2019un de ces programmes peut \u00eatre plus utile qu\u2019un autre. Qu\u2019en est-il des initiatives r\u00e9gionales ou continentales? Elles sont moins fr\u00e9quentes parce qu\u2019elles exigent souvent une coop\u00e9ration directe entre diff\u00e9rents programmes nationaux, ce qui suppose une coordination et des engagements \u00e0 long terme entre les organismes gouvernementaux de plusieurs pays. C\u2019est pourquoi l\u2019initiative du Syst\u00e8me nord-am\u00e9ricain de surveillance des changements dans la couverture terrestre (NALCMS) est unique en son genre, et nous pr\u00e9sentons dans cette publication l\u2019histoire de cette collaboration afin d\u2019informer d\u2019autres groupes et organisations ailleurs dans le monde qui pourraient \u00e9galement avoir besoin de programmes sur la couverture terrestre de niveau r\u00e9gional pour faire le pont entre les programmes nationaux et mondiaux.<\/p>\n<p>Ce document sert de r\u00e9f\u00e9rence pour les produits cartographiques num\u00e9riques du NALCMS de la CCE. Il fournit des informations g\u00e9n\u00e9rales sur l'initiative NALCMS (historique, processus de collaboration, processus de cr\u00e9ation et de validation des produits de couverture terrestre, etc.) d'une mani\u00e8re accessible aux chercheur\u00b7euses g\u00e9n\u00e9ralistes et aux utilisateur\u00b7trices des donn\u00e9es des produits cartographiques NALCMS. Il met \u00e9galement en valeur le partenariat de pr\u00e8s de 20 ans entre la CCE et les expert\u00b7es des agences de cartographie et de statistiques environnementales de nos pays.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Des programmes de cr\u00e9ation d\u2019information sur la couverture terrestre \u00e0 partir de donn\u00e9es g\u00e9ospatiales sont r\u00e9alis\u00e9s \u00e0 diff\u00e9rents \u00e9chelons, du niveau national au niveau mondial; cependant, en fonction des besoins des utilisateur\u00b7trices, l\u2019un de ces programmes peut \u00eatre plus utile qu\u2019un autre. Qu\u2019en est-il des initiatives r\u00e9gionales ou continentales? Elles sont moins fr\u00e9quentes parce qu\u2019elles [&hellip;]<\/p>\n","protected":false},"featured_media":57788,"template":"","class_list":["post-57793","publications","type-publications","status-publish","has-post-thumbnail","hentry","document_type-document-dinformation","document_theme-changements-climatiques","document_theme-ecosystemes"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>NALCMS. Le Syst\u00e8me nord-am\u00e9ricain de surveillance des changements dans la couverture terrestre.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cec.org\/fr\/publications\/nalcms\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NALCMS. Le Syst\u00e8me nord-am\u00e9ricain de surveillance des changements dans la couverture terrestre.\" \/>\n<meta property=\"og:description\" content=\"Des programmes de cr\u00e9ation d\u2019information sur la couverture terrestre \u00e0 partir de donn\u00e9es g\u00e9ospatiales sont r\u00e9alis\u00e9s \u00e0 diff\u00e9rents \u00e9chelons, du niveau national au niveau mondial; cependant, en fonction des besoins des utilisateur\u00b7trices, l\u2019un de ces programmes peut \u00eatre plus utile qu\u2019un autre. Qu\u2019en est-il des initiatives r\u00e9gionales ou continentales? Elles sont moins fr\u00e9quentes parce qu\u2019elles [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.cec.org\/fr\/publications\/nalcms\/\" \/>\n<meta property=\"og:site_name\" content=\"Commission de coop\u00e9ration environnementale\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/CECconnect\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.cec.org\/wp-content\/uploads\/CEC_NALCMS-FR_FINAL-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"927\" \/>\n\t<meta property=\"og:image:height\" content=\"1200\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@CECweb\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.cec.org\\\/fr\\\/publications\\\/nalcms\\\/\",\"url\":\"https:\\\/\\\/www.cec.org\\\/fr\\\/publications\\\/nalcms\\\/\",\"name\":\"NALCMS. 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