{"id":447,"date":"2017-10-25T09:00:00","date_gmt":"2017-10-25T07:00:00","guid":{"rendered":"http:\/\/vandiepenbeeck.org\/?p=447"},"modified":"2017-10-25T09:00:00","modified_gmt":"2017-10-25T07:00:00","slug":"les-facteurs-qui-influencent-le-climat-partie-13","status":"publish","type":"post","link":"http:\/\/vandiepenbeeck.org\/?p=447","title":{"rendered":"Les facteurs qui influencent le climat &#8211; partie 13"},"content":{"rendered":"<h3><span style=\"font-size: 11.0pt; font-family: 'Calibri',sans-serif;\"><span style=\"font-size: 14pt;\">Le rayonnement<\/span> <\/span><\/h3>\n<p><!--more--><\/p>\n<p>Le Soleil \u00e9met un rayonnement compris entre le rayonnement de l\u2019ultraviolet jusqu\u2019\u00e0 l\u2019infrarouge en passant par le visible. Le maximum se situe dans le vert (longueur d\u2019onde de 504 nm) (voir figure 19).<\/p>\n<p>Cette figure montre le rayonnement avant d\u2019entrer dans l\u2019atmosph\u00e8re, et celui observ\u00e9 au niveau de la mer. On constate que la majorit\u00e9 de ce rayonnement est dans le visible entre 380 nm et 700 nm. Il y a un peu de rayonnement UV qui atteint le sol, celui qui permet de bronzer et malheureusement d\u2019engendrer le cancer de la peau. De l\u2019autre c\u00f4t\u00e9 du spectre on a l\u2019infrarouge d\u00e9compos\u00e9 en deux cat\u00e9gories&nbsp;: IR-A qui va de 700 \u00e0 1400 nm et l\u2019IR-B qui s\u2019\u00e9tend de 1400 \u00e0 3000 nm. Il existe encore l\u2019infrarouge IR-C qui va de 3000 nm \u00e0 1 mm mais cette bande ne concerne pas la Terre.<\/p>\n<p style=\"text-align: left;\"><a href=\"http:\/\/lameteo.blogs.lalibre.be\/media\/02\/01\/1276208674.png\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" id=\"media-194723\" style=\"margin: 0.7em 0;\" title=\"\" src=\"http:\/\/lameteo.blogs.lalibre.be\/media\/02\/01\/1148989956.png\" alt=\"rayonnement.png\" \/><\/a><\/p>\n<p>Figure 19 : Les spectres du Soleil, th\u00e9orique, sur, et sous l&rsquo;atmosph\u00e8re.<\/p>\n<p>Le rayonnement incident va interagir avec l\u2019atmosph\u00e8re et le sol. Nous verrons dans le billet suivant ces interactions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le rayonnement<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-447","post","type-post","status-publish","format-standard","hentry","category-meteo"],"_links":{"self":[{"href":"http:\/\/vandiepenbeeck.org\/index.php?rest_route=\/wp\/v2\/posts\/447"}],"collection":[{"href":"http:\/\/vandiepenbeeck.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/vandiepenbeeck.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/vandiepenbeeck.org\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"http:\/\/vandiepenbeeck.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=447"}],"version-history":[{"count":0,"href":"http:\/\/vandiepenbeeck.org\/index.php?rest_route=\/wp\/v2\/posts\/447\/revisions"}],"wp:attachment":[{"href":"http:\/\/vandiepenbeeck.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=447"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/vandiepenbeeck.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=447"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/vandiepenbeeck.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=447"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}