{"id":9524,"date":"2015-11-23T17:36:24","date_gmt":"2015-11-23T16:36:24","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=9524"},"modified":"2015-11-23T17:37:17","modified_gmt":"2015-11-23T16:37:17","slug":"respiration-terrestre","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/respiration-terrestre\/","title":{"rendered":"Respiration Terrestre"},"content":{"rendered":"<div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"1\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n<p class=\"premier_paragraphe_article\" style=\"text-align: justify;\">Tel un humain absorbant de l\u2019oxyg\u00e8ne et expirant du CO2, la vie v\u00e9g\u00e9tale sur\u00a0Terre n\u2019est pas statique, mais croit\u00a0et d\u00e9croit\u00a0avec les saisons. Une nouvelle animation de la NASA, l\u2019agence spatiale am\u00e9ricaine, montre une ann\u00e9e dans la vie des plantes sur la terre et dans les oc\u00e9ans et de respiration de la Terre en r\u00e9sultant.\u00a0Ses couleurs envo\u00fbtantes montrent l\u2019\u00e9volution mois par mois des plantes et des for\u00eats sur terre, et du phytoplancton dans les oc\u00e9ans.<\/p>\n<h2 style=\"text-align: justify;\">La respiration de la Terre<\/h2>\n<p style=\"text-align: justify;\">De d\u00e9cembre \u00e0 f\u00e9vrier, peu de lumi\u00e8re du soleil frappe les latitudes moyennes et \u00e9lev\u00e9es de\u00a0l\u2019h\u00e9misph\u00e8re nord et la croissance des plantes est clairsem\u00e9e. Dans le m\u00eame temps, c\u2019est\u00a0l\u2019\u00e9t\u00e9 dans l\u2019h\u00e9misph\u00e8re sud. La mer autour de l\u2019Antarctique et les for\u00eats d\u2019Am\u00e9rique du Sud, d\u2019Afrique et d\u2019Indon\u00e9sie regorgent de vie.<\/p>\n<p style=\"text-align: justify;\">Avec\u00a0l\u2019arriv\u00e9e du printemps dans l\u2019h\u00e9misph\u00e8re nord, une vague de verdure se r\u00e9pand sur la terre\u00a0et les oc\u00e9ans, s\u2019\u00e9tendant jusqu\u2019\u00e0 l\u2019extr\u00eame nord. Ces donn\u00e9es ont \u00e9t\u00e9 captur\u00e9es par les\u00a0satellites mesurant la <strong>quantit\u00e9 de chlorophylle dans les plantes<\/strong>, combinant les informations sur\u00a0plusieurs ann\u00e9es montrant une moyenne dans\u00a0l\u2019animation.<\/p>\n<h3 style=\"text-align: justify;\">Les plantes, poumon de la plan\u00e8te<\/h3>\n<p style=\"text-align: justify;\">Les plantes absorbent le dioxyde de carbone de l\u2019atmosph\u00e8re au fur et \u00e0 mesure qu\u2019elles grandissent, lib\u00e9rant elles-m\u00eames\u00a0de nouveau du CO2 en\u00a0mourant et se d\u00e9composant. Tout ce qui affecte le cycle de vie des plantes, tels que la s\u00e9cheresse, la d\u00e9forestation affecte la respiration de\u00a0la Terre.<\/p>\n<p>&nbsp;<\/p>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/klAE-L8xTp0?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=fr-FR&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p>\n<p style=\"text-align: justify;\">Un nouveau satellite lanc\u00e9 l\u2019an dernier permet \u00e0 la NASA de garder une trace de la fa\u00e7on dont la <strong>quantit\u00e9 de dioxyde de carbone dans les changements d\u2019air toute l\u2019ann\u00e9e dans diff\u00e9rentes parties du monde<\/strong>\u00a0: OCO-2. La vid\u00e9o ci-dessous montre les pistes prises par le Orbiting Carbon Observatory-2 satellite entre mai et ao\u00fbt de cette ann\u00e9e comme il fait le tour de la Terre.<\/p><div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"2\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n\n<p style=\"text-align: justify;\">Les couleurs orange et rouge indiquent les zones o\u00f9 il a enregistr\u00e9 une concentration de dioxyde de carbone au-dessus de 400 parties par million (ppm), le bleu est o\u00f9 celui-ci a chut\u00e9 \u00e0 environ 390ppm.<\/p>\n<p style=\"text-align: justify;\">Un communiqu\u00e9 de presse de la NASA explique\u00a0:<\/p>\n<p style=\"text-align: justify;\">\u00ab\u00a0[<em>Les scientifiques de la mission] ont vu les diminutions pr\u00e9vues des concentrations\u00a0de dioxyde de carbone en\u00a0\u00e9t\u00e9 dans l\u2019h\u00e9misph\u00e8re Nord, quand\u00a0les plantes sont en phase\u00a0de\u00a0photosynth\u00e8se. Ils ont vu augmenter\u00a0les gaz \u00e0 effet de serre sur les centrales \u00e9lectriques et les m\u00e9gapoles, et sur les zones o\u00f9 les gens \u00e9claircissent les for\u00eats\u00a0pour un\u00a0usage agricole<\/em>\u00a0\u00bb.<\/p>\n<p>&nbsp;<\/p>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/nrsYiVJ9WK4?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=fr-FR&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p>\n<h5 style=\"text-align: justify;\">Les donn\u00e9es satellitaires de Orbiting Carbon Observatory-2 l\u2019instrument de la NASA, en donnant la premi\u00e8re mesure d\u00e9taill\u00e9e de dioxyde de carbone dans l\u2019atmosph\u00e8re pr\u00e8s de la surface de la Terre. \u00a9\u00a0NASA \/ JPL \/ Caltech<\/h5>\n<p style=\"text-align: justify;\">Jusqu\u2019ici, OCO-2 a seulement relev\u00e9 la valeur des donn\u00e9es d\u2019une ann\u00e9e compl\u00e8te, mais bient\u00f4t il sera en mesure d\u2019aider les scientifiques \u00e0 \u00e9tudier comment le cycle du carbone entre en jeu dans les changements atmosph\u00e9riques, terrestres et oc\u00e9aniques d\u2019une ann\u00e9e \u00e0 l\u2019autre. La terre et l\u2019oc\u00e9an ont, jusqu\u2019\u00e0 pr\u00e9sent, absorb\u00e9 environ la moiti\u00e9 des \u00e9missions humaines de dioxyde de carbone dues \u00e0\u00a0la combustion de combustibles fossiles. Mais les scientifiques ne sont pas compl\u00e8tement s\u00fbrs de la dur\u00e9e pendant laquelle ils vont continuer \u00e0 le faire.<\/p>\n<p style=\"text-align: justify;\"><a href=\"http:\/\/www.laterredufutur.com\/accueil\/\" target=\"_blank\">TDF<\/a><br \/>\nsource :\u00a0<a href=\"http:\/\/www.consoglobe.com\/\" target=\"_blank\">http:\/\/www.consoglobe.com\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"9524\">(540)<\/p>\n<!--CusAds0-->\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Tel un humain absorbant de l\u2019oxyg\u00e8ne et expirant du CO2, la vie v\u00e9g\u00e9tale sur\u00a0Terre n\u2019est pas statique, mais croit\u00a0et d\u00e9croit\u00a0avec&#8230;<\/p>\n","protected":false},"author":1,"featured_media":9525,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"ngg_post_thumbnail":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"Respiration Terrestre @laterredufutur","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[27],"tags":[285,5133,2837,93,238,130,119,3124,75,1547,684,308],"class_list":["post-9524","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ecologie","tag-air","tag-carbon","tag-carbone","tag-co2","tag-globe","tag-monde","tag-nasa","tag-respiration","tag-terre","tag-terrestre","tag-video","tag-vie","wpcat-27-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/11\/globe-terrestre-co2.jpg?fit=559%2C375&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-2tC","jetpack-related-posts":[{"id":3883,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-veritable-poumon-de-la-terre-cest-locean\/","url_meta":{"origin":9524,"position":0},"title":"Le v\u00e9ritable &lsquo;poumon de la Terre&rsquo;, c&rsquo;est l&rsquo;oc\u00e9an.","author":"Admin","date":"4 mars 2007","format":false,"excerpt":"On entend souvent dire qu'\u00e0 force de d\u00e9boiser la for\u00eat amazonienne, on va manquer d'oxyg\u00e8ne. Mais le v\u00e9ritable \"poumon de la Terre\", c'est l'oc\u00e9an. Le poumon est un organe qui assure le renouvellement du dioxyg\u00e8ne (O2) et l'\u00e9limination du gaz carbonique (CO2) produit par la respiration cellulaire de chaque organisme.\u2026","rel":"","context":"Dans &quot;Ecologie&quot;","block_context":{"text":"Ecologie","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/ecologie\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":2422,"url":"https:\/\/www.laterredufutur.com\/accueil\/et-si-la-nasa-se-mettait-a-douter-du-changement-climatique\/","url_meta":{"origin":9524,"position":1},"title":"Et si la NASA se mettait \u00e0 douter du changement climatique ?","author":"Admin","date":"20 janvier 2015","format":false,"excerpt":"La Nasa serait-elle sur le point de changer son fusil d\u2019\u00e9paule concernant le r\u00e9chauffement climatique ? La NASA, qui est l\u2019un des principaux instigateurs de la th\u00e9orie de l\u2019effet de serre et du changement climatique, \u00e0 la suite des affirmations douteuses de James Hansen relatives \u00e0 la transposition \u00e0 la\u2026","rel":"","context":"Dans &quot;Climat&quot;","block_context":{"text":"Climat","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/climat\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/01\/.._spaw_images_atmosphere-terre.jpg?fit=374%2C355&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":2908,"url":"https:\/\/www.laterredufutur.com\/accueil\/les-puits-de-carbone\/","url_meta":{"origin":9524,"position":2},"title":"Les Puits de Carbone","author":"Admin","date":"13 mai 2005","format":false,"excerpt":"Un puits de carbone correspond \u00e0 un \u00e9cosyt\u00e8me capable de puiser et de fixer le CO2 en exc\u00e8s dans l\u2019atmosph\u00e8re afin de lutter contre l\u2019effet de serre. Et si les puits de Carbone devaient se retourner\u00a0contre nous. Voici... \u00a0 Voici les principaux \"stocks\" et flux de carbone sur terre :\u2026","rel":"","context":"Dans &quot;Pollution&quot;","block_context":{"text":"Pollution","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/pollution\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/spaw\/images\/soil_sinks.gif?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":9567,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-nasa-devoile-une-carte-animee-des-pays-les-plus-pollueurs-de-la-planete\/","url_meta":{"origin":9524,"position":3},"title":"La Nasa d\u00e9voile une carte anim\u00e9e des pays les plus pollueurs de la plan\u00e8te","author":"Admin","date":"25 novembre 2015","format":false,"excerpt":"La NASA a r\u00e9cemment publi\u00e9 une carte anim\u00e9e permettant le visionnage du d\u00e9placement du dioxyde de carbone dans l\u2019atmosph\u00e8re ainsi que la localisation des \u00e9missions de ce gaz \u00e0 effet de serre. La carte affiche deux diff\u00e9rentes sources de rejet de dioxyde de carbone (CO2), \u00e0 la fois de la\u2026","rel":"","context":"Dans &quot;Pollution&quot;","block_context":{"text":"Pollution","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/pollution\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/11\/pollution-mondiale-nasa.jpg?fit=850%2C472&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/11\/pollution-mondiale-nasa.jpg?fit=850%2C472&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/11\/pollution-mondiale-nasa.jpg?fit=850%2C472&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/11\/pollution-mondiale-nasa.jpg?fit=850%2C472&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":4798,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-foret-africaine-repousse\/","url_meta":{"origin":9524,"position":4},"title":"La For\u00eat Africaine Repousse","author":"Admin","date":"12 mars 2009","format":false,"excerpt":"Dans le th\u00e8me du sahara qui reverdit, Les for\u00eats d'Afrique stockent de plus en plus de CO2, \u00e0 l'instar de celles d'Amazonie, r\u00e9v\u00e8le une \u00e9tude internationale (Etats-Unis, Europe, Afrique, Asie) jeudi 19 f\u00e9vrier 2009 dans la revue britannique Nature. Un r\u00e9seau de 79 laboratoires install\u00e9s dans dix pays d'Afrique a\u2026","rel":"","context":"Dans &quot;Ecologie&quot;","block_context":{"text":"Ecologie","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/ecologie\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/foret-cote-d-ivoire.jpg?fit=380%2C269&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":2703,"url":"https:\/\/www.laterredufutur.com\/accueil\/objectif-mars\/","url_meta":{"origin":9524,"position":5},"title":"Objectif Mars","author":"Admin","date":"20 f\u00e9vrier 2005","format":false,"excerpt":"On est en 2250. Le r\u00eave des hommes s'est enfin r\u00e9alis\u00e9. Mars la rouge est devenue Mars la bleue. L'atmosph\u00e8re est \u00e9paisse et respirable. Les hommes n'ont plus besoin de combinaisons pressuris\u00e9es ni de masques respiratoires pour se promener \u00e0 la surface de Mars. L'eau liquide coule \u00e0 nouveau dans\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/spaw\/images\/piedmars.gif?resize=350%2C200","width":350,"height":200},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/9524","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/comments?post=9524"}],"version-history":[{"count":2,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/9524\/revisions"}],"predecessor-version":[{"id":9527,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/9524\/revisions\/9527"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/9525"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=9524"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=9524"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=9524"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}