{"id":5742,"date":"2011-03-25T21:21:29","date_gmt":"2011-03-25T19:21:29","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=5742"},"modified":"2026-06-08T08:37:36","modified_gmt":"2026-06-08T08:37:36","slug":"depuis-1850-les-glaciers-fondent-a-cause-de-la-deforestation","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/depuis-1850-les-glaciers-fondent-a-cause-de-la-deforestation\/","title":{"rendered":"Depuis 1850 les glaciers fondent \u00e0 cause de la d\u00e9forestation"},"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 align=\"justify\"><span style=\"font-size: small;\">Depuis 1850 les glaciers fondent<br \/>\nLe dernier rapport N\u00b04 du GIEC de 2007 assure que la fonte des glaciers Alpins, Africains et Andins r\u00e9sulte du r\u00e9chauffement climatique.<\/p>\n<p>En effet une \u00e9tude de 169 glaciers sur la p\u00e9riode 1700-2000 montre que la d\u00e9croissance de la longueur des glaciers a largement d\u00e9but\u00e9 d\u00e8s 1850.<br \/>\nMais c\u2019est bien avant l\u2019utilisation des \u00e9nergies fossiles par l\u2019homme, qui est dat\u00e9e du d\u00e9but XXe si\u00e8cle, et \u00e0 vraiment explos\u00e9e \u00e0 partir de 1950. La fonte des glaciers a donc commenc\u00e9 logiquement en m\u00eame temps que le r\u00e9chauffement global qui a suivi le petit \u00e2ge glaciaire. Cette hausse ne s\u2019est pas acc\u00e9l\u00e9r\u00e9e malgr\u00e9 les rejets humains massifs de CO2 apr\u00e8s 1950.<\/span><\/p>\n<p align=\"justify\"><em>Une photographie prise par Edward Oehler en 1912 (en haut) montre l&rsquo;\u00e9tendue de la calotte glaciaire au sommet du mont Kilimandjaro, et une photo similaire prise en 2006 par Georg Kaser illustre le d\u00e9clin de la calotte glaciaire.<\/em><\/p>\n<p align=\"justify\"><span style=\"font-size: small;\">3 chercheurs suisses de Zurich et de Fribourg ont publi\u00e9 ainsi en 2009 un article dans les Geophysical Research Letters, intitul\u00e9 \u00ab Strong Alpine glacier melt in the 1940 due to enhanced solar radiation \u00bb. Soit en fran\u00e7ais : \u00ab Forte fonte des glaciers Alpins dans les ann\u00e9es 1940 due \u00e0 une forte irradiance solaire \u00bb. (ref :Vol 36, L23501, doi : 10.1029\/2009GL040789, 2009)<\/span><\/p>\n<p align=\"justify\"><span style=\"font-size: small;\"><a href=\"https:\/\/www.oism.org\/pproject\/GWReview_OISM300.pdf\/\">http:\/\/www.oism.org\/pproject\/GWReview_OISM300.pdf<\/a><\/p>\n<p>Les m\u00e9dias nous ont abondamment annonc\u00e9 que le recul des glaces sommitales du Kilimandjaro \u00e9tait d\u00fb au r\u00e9chauffement climatique. Or c\u2019est faux. Dans le num\u00e9ro de d\u00e9cembre 2007 de la revue \u00ab Pour la Science \u00bb, les chercheurs Kaser et Mote ont montr\u00e9 apr\u00e8s 20 ans de recherches sur le terrain, que le r\u00e9chauffement climatique n\u2019a eu aucune influence sur la fonte provisoire du glacier. C\u2019est la d\u00e9forestation des parties basses de la montagne qui en est responsable. Sans l\u2019humidit\u00e9 apport\u00e9e par la for\u00eat, les vents qui autrefois \u00e9taient charg\u00e9s d\u2019humidit\u00e9 sont dess\u00e9ch\u00e9s. N\u2019\u00e9tant plus recharg\u00e9e en eau, la glace s\u2019\u00e9vapore sous l\u2019effet du soleil \u00e9quatorial. C\u2019est un ph\u00e9nom\u00e8ne de sublimation par le rayonnement solaire car la temp\u00e9rature \u00e0 cette altitude reste sous les 0\u00b0C. La forme ac\u00e9r\u00e9e des glaces est d\u2019ailleurs caract\u00e9ristique.<br \/>\n<\/span><a href=\"https:\/\/uwnews.washington.edu\/ni\/article.asp\/?articleID=34106\">http:\/\/uwnews.washington.edu\/ni\/article.asp?articleID=34106<\/a><\/p>\n<p align=\"justify\">source : <a href=\"https:\/\/www.agoravox.fr\/\">http:\/\/www.agoravox.fr\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"5742\">(676)<\/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>Depuis 1850 les glaciers fondent Le dernier rapport N\u00b04 du GIEC de 2007 assure que la fonte des glaciers Alpins,&#8230;<\/p>\n","protected":false},"author":1,"featured_media":5743,"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_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"Depuis 1850 les glaciers fondent \u00e0 cause de la d\u00e9forestation","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":[41,2592,332,4069,157,2780],"class_list":["post-5742","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ecologie","tag-climat","tag-deforestation","tag-desert","tag-fondent","tag-glaciers","tag-montagnes","wpcat-27-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/kilimanjaro.jpg?fit=250%2C358&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-1uC","jetpack-related-posts":[{"id":3321,"url":"https:\/\/www.laterredufutur.com\/accueil\/les-glaciers-ne-reculent-pas-ils-manquent-de-neige\/","url_meta":{"origin":5742,"position":0},"title":"Les Glaciers ne reculent pas, ils manquent de neige","author":"Admin","date":"15 f\u00e9vrier 2006","format":false,"excerpt":"Le recul g\u00e9n\u00e9ralis\u00e9 des glaciers alpins, depuis 150 ans, serait d\u00fb \u00e0 une diminution de plus de 25% des chutes hivernales de neige, selon des glaciologues du Laboratoire de Glaciologie et G\u00e9ophysique de l'Environnement (CNRS- Universit\u00e9 Joseph Fourier, Grenoble) et de l'Ecole polytechnique f\u00e9d\u00e9rale de Zurich (ETHZ). Cette analyse r\u00e9sout\u2026","rel":"","context":"Dans &quot;Climat&quot;","block_context":{"text":"Climat","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/climat\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":2056,"url":"https:\/\/www.laterredufutur.com\/accueil\/les-experts-climatiques-concluent-que-les-glaciers-himalayens-ne-fondent-pas\/","url_meta":{"origin":5742,"position":1},"title":"Les experts climatiques concluent que les glaciers himalayens ne fondent pas","author":"Admin","date":"19 juin 2014","format":false,"excerpt":"Nous avions vu en 2007 que les glaciers Himalayens se portaient bien. En 2010, bis repetita et\u00a0En 2012, l'information \u00e9tait confirm\u00e9e ! En 2014, une \u00e9tude de physiciens indiens conclut que les glaciers de l'Himalaya montrent peu de signes de recul, contrairement aux pr\u00e9visions alarmistes du GIEC. Cette \u00e9tude vient\u2026","rel":"","context":"Dans &quot;Climat&quot;","block_context":{"text":"Climat","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/climat\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":5222,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-fonte-des-glaciers-naura-finalement-pas-lieu-en-2035\/","url_meta":{"origin":5742,"position":2},"title":"La fonte des glaciers n\u2019aura finalement pas lieu en 2035","author":"Admin","date":"25 janvier 2010","format":false,"excerpt":"Sur la Terre du Futur, depuis plusieurs ann\u00e9es, on notait des erreurs flagrantes concernant le GIEC et depuis 2001. La rumeur selon laquelle les glaciers seront fondus en 2035 s'av\u00e8re finalement \u00eatre fausse. M\u00eame si c'est un grand soulagement pour l'humanit\u00e9, \u00e7a ne l'est pas pour le Giec (Groupe d'experts\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\/glace-et-banquise.jpg?fit=1024%2C768&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/glace-et-banquise.jpg?fit=1024%2C768&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/glace-et-banquise.jpg?fit=1024%2C768&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/glace-et-banquise.jpg?fit=1024%2C768&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":18764,"url":"https:\/\/www.laterredufutur.com\/accueil\/pourquoi-le-plus-grand-glacier-du-groenland-se-remet-a-grossir\/","url_meta":{"origin":5742,"position":3},"title":"Pourquoi le plus grand glacier du Groenland se remet \u00e0 grossir","author":"Admin","date":"8 mai 2019","format":false,"excerpt":"La plupart des glaciers du monde fondent \u00e0 cause du d\u00e9r\u00e8glement climatique \u00e0 l\u2019exception du plus grand du Groenland. Le glacier Jakobshavn gagne du terrain. \u00c0 la grande surprise d\u2019experts de la Nasa qui ont \u00e9tudi\u00e9 cet intrigant ph\u00e9nom\u00e8ne. Le d\u00e9r\u00e8glement climatique, et le r\u00e9chauffement des oc\u00e9ans en particulier, entra\u00eene\u2026","rel":"","context":"Dans &quot;Courants Marins&quot;","block_context":{"text":"Courants Marins","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/circulation-oceanique\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/03\/glacier-jakobshavn-groenland-1.jpg?fit=1200%2C778&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/03\/glacier-jakobshavn-groenland-1.jpg?fit=1200%2C778&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/03\/glacier-jakobshavn-groenland-1.jpg?fit=1200%2C778&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/03\/glacier-jakobshavn-groenland-1.jpg?fit=1200%2C778&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/03\/glacier-jakobshavn-groenland-1.jpg?fit=1200%2C778&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":4375,"url":"https:\/\/www.laterredufutur.com\/accueil\/rapports-douteux-sur-la-fonte-antarctique\/","url_meta":{"origin":5742,"position":4},"title":"Rapports Douteux sur la fonte Antarctique","author":"Admin","date":"2 avril 2008","format":false,"excerpt":"La plupart des articles rapportent que tout l'Antarctique fond. Ces rapports sont douteux, parce que c'est principalement la glace sur la p\u00e9ninsule antarctique qui fond. Ici\u00a0 la carte de l'Antarctique. \u00c0 8.850.000\u00a0km carr\u00e9s, ce continent est presque deux fois la taille des Etats-Unis (qui en font\u00a05.630.000\u00a0km carr\u00e9s). Voyez-vous cette petite\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\/spaw\/images\/bilde_1.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":8811,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-president-hollande-au-pied-dun-glacier-qui-fait-grace-au-volcan-katla\/","url_meta":{"origin":5742,"position":5},"title":"Le pr\u00e9sident Hollande au pied d&rsquo;un glacier qui fait gr\u00e2ce au volcan Katla","author":"Admin","date":"17 octobre 2015","format":false,"excerpt":"Bienvenue sur le glacier S\u00f3lheimaj\u00f6kull, une langue glaciaire et spectaculaire qui s'\u00e9tire vers le bas du M\u00fdrdalsj\u00f6kull, le quatri\u00e8me plus grand glacier d'Islande. Au pied d'un glacier islandais, Hollande craint \"la disparition de l'Histoire\" ! Le pr\u00e9sident fran\u00e7ais Fran\u00e7ois Hollande a dit craindre vendredi 16 octobre 2015 en Islande \"la\u2026","rel":"","context":"Dans &quot;Seismes\/Volcans&quot;","block_context":{"text":"Seismes\/Volcans","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/seismes-et-volcans\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/hollande-pied-glacier-solheimajkull-islande-16-octobre-2015.jpg?fit=1200%2C800&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/hollande-pied-glacier-solheimajkull-islande-16-octobre-2015.jpg?fit=1200%2C800&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/hollande-pied-glacier-solheimajkull-islande-16-octobre-2015.jpg?fit=1200%2C800&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/hollande-pied-glacier-solheimajkull-islande-16-octobre-2015.jpg?fit=1200%2C800&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/hollande-pied-glacier-solheimajkull-islande-16-octobre-2015.jpg?fit=1200%2C800&ssl=1&resize=1050%2C600 3x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/5742","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=5742"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/5742\/revisions"}],"predecessor-version":[{"id":5744,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/5742\/revisions\/5744"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/5743"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=5742"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=5742"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=5742"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}