Vegetation Coverage Meter<\/title>\n<style>\n body {\n p {\n padding-left: 100px; \/* \u8bbe\u7f6e\u6240\u6709\u6bb5\u843d\u6587\u5b57\u7684\u5de6\u9875\u8fb9\u8ddd *\/\n padding-right: 100px; \/* \u8bbe\u7f6e\u6240\u6709\u6bb5\u843d\u6587\u5b57\u7684\u53f3\u9875\u8fb9\u8ddd *\/\n }\n<\/style>\n<\/head>\n<body>\n\n\nVeuillez s\u00e9lectionner une sous-rubrique<\/strong><\/p>\n\n\n\nLe NDVI (Normalised Vegetation Index), l'un des param\u00e8tres importants refl\u00e9tant la croissance des cultures et les informations nutritionnelles, est appliqu\u00e9 \u00e0 l'imagerie de t\u00e9l\u00e9d\u00e9tection, ce qui permet de conna\u00eetre la r\u00e9ponse des cultures \u00e0 l'azote au cours des diff\u00e9rentes saisons.<a href=\"https:\/\/baike.baidu.com\/item\/%E9%9C%80%E6%B1%82%E9%87%8F\/2461773?fromModule=lemma_inlink\" target=\"_blank\" rel=\"noreferrer noopener\">quantit\u00e9 demand\u00e9e<\/a>qui constitue un guide important pour l'application rationnelle des engrais azot\u00e9s.<\/p>\n\n\n\nNDVI - Indice de v\u00e9g\u00e9tation normalis\u00e9 : NDVI = (NIR-R)\/(NIR+R), ou calcul de la r\u00e9flectance dans les deux bandes.<\/p>\n\n\n\nApplications du NDVI<\/strong><\/p>\n\n\n\n1. la d\u00e9tection de l'\u00e9tat de croissance de la v\u00e9g\u00e9tation, de la couverture v\u00e9g\u00e9tale et l'\u00e9limination de certaines erreurs de rayonnement, etc ;<\/p>\n\n\n\n2, -1<a href=\"https:\/\/baike.baidu.com\/item\/%E5%8F%AF%E8%A7%81%E5%85%89\/1241853?fromModule=lemma_inlink\" target=\"_blank\" rel=\"noreferrer noopener\">lumi\u00e8re visible<\/a>Tr\u00e8s r\u00e9fl\u00e9chissant ; 0 signifie qu'il n'y a pas de<a href=\"https:\/\/baike.baidu.com\/item\/%E5%B2%A9%E7%9F%B3\/256753?fromModule=lemma_inlink\" target=\"_blank\" rel=\"noreferrer noopener\">rochers<\/a>peut-\u00eatre<a href=\"https:\/\/baike.baidu.com\/item\/%E8%A3%B8%E5%9C%9F\/9937437?fromModule=lemma_inlink\" target=\"_blank\" rel=\"noreferrer noopener\">sol nu<\/a>etc., NIR et R sont approximativement \u00e9gaux ; des valeurs positives, indiquant la pr\u00e9sence d'un couvert v\u00e9g\u00e9tal, et des valeurs n\u00e9gatives, indiquant la pr\u00e9sence d'un couvert v\u00e9g\u00e9tal.<a href=\"https:\/\/baike.baidu.com\/item\/%E8%A6%86%E7%9B%96%E5%BA%A6\/2873532?fromModule=lemma_inlink\" target=\"_blank\" rel=\"noreferrer noopener\">degr\u00e9 de couverture<\/a>De plus en plus ;<\/p>\n\n\n\n3) Les limites du NDVI sont d\u00e9montr\u00e9es par le fait que l'utilisation de l'indice de masse corporelle (IMC) ne permet pas d'obtenir des r\u00e9sultats satisfaisants.<a href=\"https:\/\/baike.baidu.com\/item\/%E9%9D%9E%E7%BA%BF%E6%80%A7\/7127824?fromModule=lemma_inlink\" target=\"_blank\" rel=\"noreferrer noopener\">non lin\u00e9aire<\/a>L'\u00e9tirement renforce les propri\u00e9t\u00e9s NIR et R<a href=\"https:\/\/baike.baidu.com\/item\/%E5%8F%8D%E5%B0%84%E7%8E%87\/4457246?fromModule=lemma_inlink\" target=\"_blank\" rel=\"noreferrer noopener\">r\u00e9flectivit\u00e9<\/a>(utilis\u00e9 comme expression nominale)<a href=\"https:\/\/baike.baidu.com\/item\/%E5%AF%B9%E6%AF%94%E5%BA%A6\/1196082?fromModule=lemma_inlink\" target=\"_blank\" rel=\"noreferrer noopener\">contraste (\u00e9quilibre entre le noir et le blanc dans la configuration de l'\u00e9cran de t\u00e9l\u00e9vision)<\/a>. Pour la m\u00eame image, trouver s\u00e9par\u00e9ment<a href=\"https:\/\/baike.baidu.com\/item\/RVI\/9226406?fromModule=lemma_inlink\" target=\"_blank\" rel=\"noreferrer noopener\">RVI<\/a>et NDVI, on constatera que les valeurs de RVI augmentent plus rapidement que celles de NDVI, c'est-\u00e0-dire que NDVI est plus important pour les zones \u00e0 forte densit\u00e9 de population que pour les zones \u00e0 faible densit\u00e9 de population.<a href=\"https:\/\/baike.baidu.com\/item\/%E6%A4%8D%E8%A2%AB%E5%8C%BA\/5574099?fromModule=lemma_inlink\" target=\"_blank\" rel=\"noreferrer noopener\">zone de v\u00e9g\u00e9tation<\/a>A une faible sensibilit\u00e9 ;<\/p>\n\n\n\n4, le NDVI peut refl\u00e9ter l'\u00e9tat de la plante<a href=\"https:\/\/baike.baidu.com\/item\/%E5%86%A0%E5%B1%82\/22548395?fromModule=lemma_inlink\" target=\"_blank\" rel=\"noreferrer noopener\">canop\u00e9e<\/a>des influences de fond telles que le sol, la terre humide, la neige, les feuilles mortes, la rugosit\u00e9, etc. et est li\u00e9e \u00e0 la couverture v\u00e9g\u00e9tale ;<\/p>","protected":false},"excerpt":{"rendered":"Vegetation Coverage Meter \u8bf7\u9009\u62e9\u5b50\u9879\u76ee NDVI(\u5f52\u4e00\u5316\u690d\u88ab\u6307\u6570)\uff0c\u662f\u53cd\u6620\u519c\u4f5c\u7269\u957f\u52bf […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"saved_in_kubio":false,"footnotes":""},"class_list":["post-935","page","type-page","status-publish","hentry"],"kubio_ai_page_context":{"short_desc":"","purpose":"general"},"_links":{"self":[{"href":"http:\/\/www.xingshitu.com\/fr\/wp-json\/wp\/v2\/pages\/935","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.xingshitu.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/www.xingshitu.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/www.xingshitu.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.xingshitu.com\/fr\/wp-json\/wp\/v2\/comments?post=935"}],"version-history":[{"count":6,"href":"http:\/\/www.xingshitu.com\/fr\/wp-json\/wp\/v2\/pages\/935\/revisions"}],"predecessor-version":[{"id":1609,"href":"http:\/\/www.xingshitu.com\/fr\/wp-json\/wp\/v2\/pages\/935\/revisions\/1609"}],"wp:attachment":[{"href":"http:\/\/www.xingshitu.com\/fr\/wp-json\/wp\/v2\/media?parent=935"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":935,"date":"2024-06-07T03:14:46","date_gmt":"2024-06-07T03:14:46","guid":{"rendered":"http:\/\/www.xingshitu.com\/?page_id=935"},"modified":"2024-11-26T01:17:19","modified_gmt":"2024-11-26T01:17:19","slug":"%e7%89%a9%e5%80%99%e4%b8%8e%e6%a4%8d%e8%a2%ab%e6%8c%87%e6%95%b0","status":"publish","type":"page","link":"http:\/\/www.xingshitu.com\/fr\/%e7%89%a9%e5%80%99%e4%b8%8e%e6%a4%8d%e8%a2%ab%e6%8c%87%e6%95%b0\/","title":{"rendered":"Indice climatique et de v\u00e9g\u00e9tation (NDVI)"},"content":{"rendered":"\n\n\n\n\nVegetation Coverage Meter<\/title>\n<style>\n body {\n p {\n padding-left: 100px; \/* \u8bbe\u7f6e\u6240\u6709\u6bb5\u843d\u6587\u5b57\u7684\u5de6\u9875\u8fb9\u8ddd *\/\n padding-right: 100px; \/* \u8bbe\u7f6e\u6240\u6709\u6bb5\u843d\u6587\u5b57\u7684\u53f3\u9875\u8fb9\u8ddd *\/\n }\n<\/style>\n<\/head>\n<body>\n\n\nVeuillez s\u00e9lectionner une sous-rubrique<\/strong><\/p>\n\n\n\nLe NDVI (Normalised Vegetation Index), l'un des param\u00e8tres importants refl\u00e9tant la croissance des cultures et les informations nutritionnelles, est appliqu\u00e9 \u00e0 l'imagerie de t\u00e9l\u00e9d\u00e9tection, ce qui permet de conna\u00eetre la r\u00e9ponse des cultures \u00e0 l'azote au cours des diff\u00e9rentes saisons.<a href=\"https:\/\/baike.baidu.com\/item\/%E9%9C%80%E6%B1%82%E9%87%8F\/2461773?fromModule=lemma_inlink\" target=\"_blank\" rel=\"noreferrer noopener\">quantit\u00e9 demand\u00e9e<\/a>qui constitue un guide important pour l'application rationnelle des engrais azot\u00e9s.<\/p>\n\n\n\nNDVI - Indice de v\u00e9g\u00e9tation normalis\u00e9 : NDVI = (NIR-R)\/(NIR+R), ou calcul de la r\u00e9flectance dans les deux bandes.<\/p>\n\n\n\nApplications du NDVI<\/strong><\/p>\n\n\n\n1. la d\u00e9tection de l'\u00e9tat de croissance de la v\u00e9g\u00e9tation, de la couverture v\u00e9g\u00e9tale et l'\u00e9limination de certaines erreurs de rayonnement, etc ;<\/p>\n\n\n\n2, -1<a href=\"https:\/\/baike.baidu.com\/item\/%E5%8F%AF%E8%A7%81%E5%85%89\/1241853?fromModule=lemma_inlink\" target=\"_blank\" rel=\"noreferrer noopener\">lumi\u00e8re visible<\/a>Tr\u00e8s r\u00e9fl\u00e9chissant ; 0 signifie qu'il n'y a pas de<a href=\"https:\/\/baike.baidu.com\/item\/%E5%B2%A9%E7%9F%B3\/256753?fromModule=lemma_inlink\" target=\"_blank\" rel=\"noreferrer noopener\">rochers<\/a>peut-\u00eatre<a href=\"https:\/\/baike.baidu.com\/item\/%E8%A3%B8%E5%9C%9F\/9937437?fromModule=lemma_inlink\" target=\"_blank\" rel=\"noreferrer noopener\">sol nu<\/a>etc., NIR et R sont approximativement \u00e9gaux ; des valeurs positives, indiquant la pr\u00e9sence d'un couvert v\u00e9g\u00e9tal, et des valeurs n\u00e9gatives, indiquant la pr\u00e9sence d'un couvert v\u00e9g\u00e9tal.<a href=\"https:\/\/baike.baidu.com\/item\/%E8%A6%86%E7%9B%96%E5%BA%A6\/2873532?fromModule=lemma_inlink\" target=\"_blank\" rel=\"noreferrer noopener\">degr\u00e9 de couverture<\/a>De plus en plus ;<\/p>\n\n\n\n3) Les limites du NDVI sont d\u00e9montr\u00e9es par le fait que l'utilisation de l'indice de masse corporelle (IMC) ne permet pas d'obtenir des r\u00e9sultats satisfaisants.<a href=\"https:\/\/baike.baidu.com\/item\/%E9%9D%9E%E7%BA%BF%E6%80%A7\/7127824?fromModule=lemma_inlink\" target=\"_blank\" rel=\"noreferrer noopener\">non lin\u00e9aire<\/a>L'\u00e9tirement renforce les propri\u00e9t\u00e9s NIR et R<a href=\"https:\/\/baike.baidu.com\/item\/%E5%8F%8D%E5%B0%84%E7%8E%87\/4457246?fromModule=lemma_inlink\" target=\"_blank\" rel=\"noreferrer noopener\">r\u00e9flectivit\u00e9<\/a>(utilis\u00e9 comme expression nominale)<a href=\"https:\/\/baike.baidu.com\/item\/%E5%AF%B9%E6%AF%94%E5%BA%A6\/1196082?fromModule=lemma_inlink\" target=\"_blank\" rel=\"noreferrer noopener\">contraste (\u00e9quilibre entre le noir et le blanc dans la configuration de l'\u00e9cran de t\u00e9l\u00e9vision)<\/a>. Pour la m\u00eame image, trouver s\u00e9par\u00e9ment<a href=\"https:\/\/baike.baidu.com\/item\/RVI\/9226406?fromModule=lemma_inlink\" target=\"_blank\" rel=\"noreferrer noopener\">RVI<\/a>et NDVI, on constatera que les valeurs de RVI augmentent plus rapidement que celles de NDVI, c'est-\u00e0-dire que NDVI est plus important pour les zones \u00e0 forte densit\u00e9 de population que pour les zones \u00e0 faible densit\u00e9 de population.<a href=\"https:\/\/baike.baidu.com\/item\/%E6%A4%8D%E8%A2%AB%E5%8C%BA\/5574099?fromModule=lemma_inlink\" target=\"_blank\" rel=\"noreferrer noopener\">zone de v\u00e9g\u00e9tation<\/a>A une faible sensibilit\u00e9 ;<\/p>\n\n\n\n4, le NDVI peut refl\u00e9ter l'\u00e9tat de la plante<a href=\"https:\/\/baike.baidu.com\/item\/%E5%86%A0%E5%B1%82\/22548395?fromModule=lemma_inlink\" target=\"_blank\" rel=\"noreferrer noopener\">canop\u00e9e<\/a>des influences de fond telles que le sol, la terre humide, la neige, les feuilles mortes, la rugosit\u00e9, etc. et est li\u00e9e \u00e0 la couverture v\u00e9g\u00e9tale ;<\/p>","protected":false},"excerpt":{"rendered":"Vegetation Coverage Meter \u8bf7\u9009\u62e9\u5b50\u9879\u76ee NDVI(\u5f52\u4e00\u5316\u690d\u88ab\u6307\u6570)\uff0c\u662f\u53cd\u6620\u519c\u4f5c\u7269\u957f\u52bf […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"saved_in_kubio":false,"footnotes":""},"class_list":["post-935","page","type-page","status-publish","hentry"],"kubio_ai_page_context":{"short_desc":"","purpose":"general"},"_links":{"self":[{"href":"http:\/\/www.xingshitu.com\/fr\/wp-json\/wp\/v2\/pages\/935","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.xingshitu.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/www.xingshitu.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/www.xingshitu.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.xingshitu.com\/fr\/wp-json\/wp\/v2\/comments?post=935"}],"version-history":[{"count":6,"href":"http:\/\/www.xingshitu.com\/fr\/wp-json\/wp\/v2\/pages\/935\/revisions"}],"predecessor-version":[{"id":1609,"href":"http:\/\/www.xingshitu.com\/fr\/wp-json\/wp\/v2\/pages\/935\/revisions\/1609"}],"wp:attachment":[{"href":"http:\/\/www.xingshitu.com\/fr\/wp-json\/wp\/v2\/media?parent=935"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}