{"id":9792,"date":"2015-12-14T00:00:26","date_gmt":"2015-12-13T23:00:26","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=9792"},"modified":"2015-12-07T16:54:21","modified_gmt":"2015-12-07T15:54:21","slug":"des-millions-de-tonnes-de-poussieres-traversent-latlantique-du-sahara-vers-lamazonie","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/des-millions-de-tonnes-de-poussieres-traversent-latlantique-du-sahara-vers-lamazonie\/","title":{"rendered":"Des millions de tonnes de poussi\u00e8res traversent l&rsquo;Atlantique, du Sahara vers l&rsquo;Amazonie"},"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 style=\"text-align: justify;\">Saviez-vous que chaque ann\u00e9e un peu plus de 182 millions de tonnes de sable volent \u00e0 travers l&rsquo;Atlantique et dans l&rsquo;atmosph\u00e8re.\u00a0Il y aurait\u00a0un peu plus de 27 millions de tonnes qui tomberaient en\u00a0Amazonie \u00e0 travers les pluies. La chose la plus \u00e9tonnante de\u00a0toutes les fonctions que l&rsquo;on trouve dans la\u00a0condensation des nuages, est que les poussi\u00e8res se servent\u00a0des pluies et les\u00a0nutriments apportent\u00a0l&rsquo;alimentation qu&rsquo;\u00e0 besoin\u00a0la for\u00eat \u00e0 travers les min\u00e9raux qui la composent. Il y \u00a0aurait\u00a0du\u00a0phosphore, l&rsquo;un des principaux nutriments qui aident la for\u00eat et l&rsquo;\u00e9cosyst\u00e8me \u00e0 l&rsquo;\u00e9chelle continentale.<\/p>\n<p style=\"text-align: justify;\">La NASA a publi\u00e9 une vid\u00e9o o\u00f9 des donn\u00e9es ont \u00e9t\u00e9 recueillies par l&rsquo;instrument Aerosol Lidar Cloud et l&rsquo;observation infrarouge du Satellite Pathfinder, sur la p\u00e9riode 2007-2013, en se superposant,\u00a0le r\u00e9sultat est sensationnel. L&rsquo;article du document a \u00e9t\u00e9 publi\u00e9 dans\u00a0la revue Geophysical Research Letters dans les donn\u00e9es de t\u00e9l\u00e9d\u00e9tection de l&rsquo;environnement \u00e0 partir de la premi\u00e8re estimation des donn\u00e9es satellitaires pour le transport mondial de la poussi\u00e8re du Sahara pour la r\u00e9gion de l&rsquo;Amazonie et de l\u2019Am\u00e9rique du Sud.<\/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>Voici une video explicative du ph\u00e9nom\u00e8ne :<\/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\/ygulQJoIe2Y?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>Traduction et adaptation de <a href=\"http:\/\/www.laterredufutur.com\/accueil\/\">la Terre du Futur<\/a><\/p>\n<p>source :\u00a0<a href=\"http:\/\/climatologiageografica.com.br\" target=\"_blank\">http:\/\/climatologiageografica.com.br<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"9792\">(356)<\/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>Saviez-vous que chaque ann\u00e9e un peu plus de 182 millions de tonnes de sable volent \u00e0 travers l&rsquo;Atlantique et dans&#8230;<\/p>\n","protected":false},"author":1,"featured_media":9793,"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_post_was_ever_published":false,"_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":"Des millions de tonnes de #poussi\u00e8res traversent l'Atlantique, du #Sahara vers l'#Amazonie @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}},"categories":[31],"tags":[196,1872,3700,242,252,62,2759,636,684],"class_list":["post-9792","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","tag-afrique","tag-amazonie","tag-amerique-du-sud","tag-atlantique","tag-atmosphere","tag-pluie","tag-poussieres","tag-sahara","tag-video","wpcat-31-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/12\/poussieres-sahara-amazonie.jpg?fit=725%2C375&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-2xW","jetpack-related-posts":[{"id":21030,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-poussiere-du-desert-du-sahara-traverse-latlantique\/","url_meta":{"origin":9792,"position":0},"title":"La poussi\u00e8re du d\u00e9sert du Sahara traverse l&rsquo;Atlantique","author":"Admin","date":"20 juin 2020","format":false,"excerpt":"Ce ph\u00e9nom\u00e8ne toujours spectaculaire a lieu toutes les ann\u00e9es. La masse d'air s\u00e8che et poussi\u00e9reuse se forme sur le d\u00e9sert de 3,5 millions de kilom\u00e8tres carr\u00e9s \u00e0 la fin du printemps, en \u00e9t\u00e9 et au d\u00e9but de l'automne et est connue sous le nom de couche d'air saharienne. Parce qu'il\u2026","rel":"","context":"Dans &quot;Divers&quot;","block_context":{"text":"Divers","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/divers\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/06\/sahara-poussiere-usa.jpg?fit=1024%2C552&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/06\/sahara-poussiere-usa.jpg?fit=1024%2C552&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/06\/sahara-poussiere-usa.jpg?fit=1024%2C552&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/06\/sahara-poussiere-usa.jpg?fit=1024%2C552&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":24542,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-poussiere-du-sahara-entre-bienfaisance-et-nocivite\/","url_meta":{"origin":9792,"position":1},"title":"La poussi\u00e8re du Sahara entre bienfaisance et nocivit\u00e9","author":"Admin","date":"12 novembre 2022","format":false,"excerpt":"Tous les composants de notre plan\u00e8te ont de l\u2019importance, qu\u2019il s\u2019agisse des plus hautes montagnes ou des plus petits grains de poussi\u00e8re. C\u2019est notamment le cas de la poussi\u00e8re du Sahara, de la poussi\u00e8re qui voyage partout dans le monde et qui joue un r\u00f4le important dans la biologie et\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\/2021\/02\/desert-sahara-nuit-voie-lactee.jpg?fit=1050%2C620&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/02\/desert-sahara-nuit-voie-lactee.jpg?fit=1050%2C620&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/02\/desert-sahara-nuit-voie-lactee.jpg?fit=1050%2C620&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/02\/desert-sahara-nuit-voie-lactee.jpg?fit=1050%2C620&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/02\/desert-sahara-nuit-voie-lactee.jpg?fit=1050%2C620&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":26286,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-vol-transatlantique-pourrait-transformer-la-poussiere-du-sahara-en-un-nutriment-essentiel-pour-les-oceans\/","url_meta":{"origin":9792,"position":2},"title":"Un vol transatlantique pourrait transformer la poussi\u00e8re du Sahara en un nutriment essentiel pour les oc\u00e9ans","author":"Admin","date":"14 octobre 2024","format":false,"excerpt":"Au fil du temps, les r\u00e9actions chimiques atmosph\u00e9riques peuvent rendre le fer pr\u00e9sent dans la poussi\u00e8re plus facile \u00e0 absorber par les organismes. Une nouvelle \u00e9tude sugg\u00e8re qu'\u00e0 mesure que la poussi\u00e8re du Sahara souffle sur des milliers de kilom\u00e8tres \u00e0 travers l'oc\u00e9an Atlantique, elle devient progressivement plus nutritive pour\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\/2024\/10\/poussieres-sahariennes.jpg?fit=1030%2C580&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/10\/poussieres-sahariennes.jpg?fit=1030%2C580&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/10\/poussieres-sahariennes.jpg?fit=1030%2C580&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/10\/poussieres-sahariennes.jpg?fit=1030%2C580&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":3208,"url":"https:\/\/www.laterredufutur.com\/accueil\/quand-le-sahara-joue-son-role-sur-lamerique\/","url_meta":{"origin":9792,"position":3},"title":"Quand le Sahara joue son role sur l&rsquo;Am\u00e9rique","author":"Admin","date":"6 janvier 2006","format":false,"excerpt":"Apparemment, plus de 100 millions de tonnes de poussi\u00e8res du Sahara sont souffl\u00e9es chaque ann\u00e9e vers l'Ouest, au-dessus de l'Atlantique, en provenance des terres d\u00e9sertifi\u00e9es de l'Afrique. Plus r\u00e9cemment, on a affirm\u00e9 qu'il existe une forte corr\u00e9lation entre le climat estival au Sahel et la fr\u00e9quence et l'intensit\u00e9 des ouragans\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\/04\/sahara-sables-amerique.jpeg?fit=450%2C416&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":22633,"url":"https:\/\/www.laterredufutur.com\/accueil\/une-gigantesque-tempete-de-poussiere-saharienne-sabat-sur-la-floride-et-le-sud-est-des-etats-unis\/","url_meta":{"origin":9792,"position":4},"title":"Une gigantesque temp\u00eate de poussi\u00e8re saharienne s&rsquo;abat sur la Floride et le sud-est des \u00c9tats-Unis","author":"Admin","date":"15 juin 2021","format":false,"excerpt":"La temp\u00eate saharienne se d\u00e9place aujourd'hui sur la Floride et sur d'autres parties du Sud-Est plus tard dans la semaine. Des lueurs vibrantes sont visibles du lever et au coucher du soleil ! Le ciel sera orange et brumeux sur la Floride en milieu de semaine et le restera jusqu'\u00e0\u2026","rel":"","context":"Dans &quot;M\u00e9t\u00e9orologie&quot;","block_context":{"text":"M\u00e9t\u00e9orologie","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/meteorologie\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/tempete-saharienne-atlantique.jpg?fit=1000%2C562&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/tempete-saharienne-atlantique.jpg?fit=1000%2C562&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/tempete-saharienne-atlantique.jpg?fit=1000%2C562&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/tempete-saharienne-atlantique.jpg?fit=1000%2C562&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":7740,"url":"https:\/\/www.laterredufutur.com\/accueil\/voila-4-900-ans-le-sahara-est-abruptement-passe-du-vert-au-jaune\/","url_meta":{"origin":9792,"position":5},"title":"Voil\u00e0 4.900 ans, le Sahara est abruptement pass\u00e9 du vert au jaune","author":"Admin","date":"18 ao\u00fbt 2015","format":false,"excerpt":"Le Sahara \u00e9tait couvert de prairies voici plus de 4.900 ans, durant la p\u00e9riode humide africaine. Des poussi\u00e8res emport\u00e9es par des vents, et d\u00e9pos\u00e9es dans l\u2019Atlantique, viennent de pr\u00e9ciser l\u2019histoire de cet \u00e9pisode marqu\u00e9 par d\u2019abrupts changements climatiques. Le nord de l\u2019Afrique \u00e9met chaque ann\u00e9e plus d\u2019un million de tonnes\u2026","rel":"","context":"Dans &quot;Arch\u00e9ologie&quot;","block_context":{"text":"Arch\u00e9ologie","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/archeologie\/"},"img":{"alt_text":"pluie afrique","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/05\/pluie-afrique.jpg?fit=940%2C705&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/05\/pluie-afrique.jpg?fit=940%2C705&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/05\/pluie-afrique.jpg?fit=940%2C705&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/05\/pluie-afrique.jpg?fit=940%2C705&ssl=1&resize=700%2C400 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/9792","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=9792"}],"version-history":[{"count":3,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/9792\/revisions"}],"predecessor-version":[{"id":9821,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/9792\/revisions\/9821"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/9793"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=9792"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=9792"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=9792"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}