{"id":6962,"date":"2016-11-21T13:43:03","date_gmt":"2016-11-21T12:43:03","guid":{"rendered":"http:\/\/www.grandesterresbio.com\/?p=6962"},"modified":"2016-11-21T13:43:03","modified_gmt":"2016-11-21T12:43:03","slug":"un-bruit-mysterieux-en-arctique","status":"publish","type":"post","link":"https:\/\/claire-jannot.com\/?p=6962","title":{"rendered":"Un bruit myst\u00e9rieux en Arctique"},"content":{"rendered":"<h2><span style=\"color: #000000;\"><strong><\/strong>Quel est donc ce bruit myst\u00e9rieux qui fait fuir les mammif\u00e8res dans l\u2019Arctique canadien ? Le ph\u00e9nom\u00e8ne a d\u00e9but\u00e9 au mois de juin, dans le d\u00e9troit de Fury et Hecla, \u00e0 120 kilom\u00e8tres du hameau d\u2019Igloolik, dans la province du Nunavut. <\/span><\/h2>\n<p><span style=\"color: #000000;\"><a href=\"https:\/\/i0.wp.com\/www.grandesterresbio.com\/wp-content\/uploads\/2016\/11\/1024px-Research_on_Iceberg_B-15A_by_Josh_Landis_National_Science_Foundation_Image_4_NSF.jpg\" rel=\"attachment wp-att-6963\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignleft  wp-image-6963\" src=\"https:\/\/i0.wp.com\/www.grandesterresbio.com\/wp-content\/uploads\/2016\/11\/1024px-Research_on_Iceberg_B-15A_by_Josh_Landis_National_Science_Foundation_Image_4_NSF.jpg?resize=432%2C282\" alt=\"1024px-research_on_iceberg_b-15a_by_josh_landis_national_science_foundation_image_4_nsf\" width=\"432\" height=\"282\" srcset=\"https:\/\/i0.wp.com\/claire-jannot.com\/wp-content\/uploads\/2016\/11\/1024px-Research_on_Iceberg_B-15A_by_Josh_Landis_National_Science_Foundation_Image_4_NSF.jpg?w=1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/claire-jannot.com\/wp-content\/uploads\/2016\/11\/1024px-Research_on_Iceberg_B-15A_by_Josh_Landis_National_Science_Foundation_Image_4_NSF.jpg?resize=300%2C196&amp;ssl=1 300w, https:\/\/i0.wp.com\/claire-jannot.com\/wp-content\/uploads\/2016\/11\/1024px-Research_on_Iceberg_B-15A_by_Josh_Landis_National_Science_Foundation_Image_4_NSF.jpg?resize=768%2C502&amp;ssl=1 768w\" sizes=\"auto, (max-width: 432px) 100vw, 432px\" \/><\/a>Des chasseurs de la r\u00e9gion ont entendu des <strong>bourdonnements ou des cliqu\u00e8tements provenant du fond de la mer<\/strong> et pouvant \u00eatre entendus \u00e0 travers la coque des bateaux.\u00a0 Ces chasseurs ont \u00e9galement remarqu\u00e9\u00a0<strong>la disparition des animaux marins<\/strong> dans cette r\u00e9gion pourtant connue pour son incroyable biodiversit\u00e9.<\/span><\/p>\n<p><span style=\"color: #000000;\">Cette zone non gel\u00e9e est <strong>la voie migratoire utilis\u00e9e habituellement par les baleines bor\u00e9ales, les phoques barbus et les phoques annel\u00e9s.<\/strong> Le d\u00e9put\u00e9 canadien Paul Quassa a exprim\u00e9 son \u00e9motion face \u00e0 cette situation, devant l\u2019Assembl\u00e9e l\u00e9gislative du Nunavut, soulignant le c\u00f4t\u00e9 \u00e9trange du ph\u00e9nom\u00e8ne.<\/span><\/p>\n<p><span style=\"color: #000000;\">Des forces arm\u00e9es canadiennes ont donc \u00e9t\u00e9 sollicit\u00e9es afin de mener l\u2019enqu\u00eate. Au cours d\u2019une mission <strong>(op\u00e9ration LIMPID)<\/strong>, commenc\u00e9e d\u00e9but novembre, un avion \u00e9quip\u00e9 de nombreux capteurs a survol\u00e9 la zone pendant une heure et demie. En vain. Aucun bruit n\u2019a \u00e9t\u00e9 distingu\u00e9. L\u2019\u00e9quipage de l\u2019avion a cependant pu voir deux baleines et six morses.<\/span><\/p>\n<p><span style=\"color: #000000;\">Les pistes envisag\u00e9es :\u00a0<\/span><span style=\"color: #000000;\">A ce jour, personne ne sait quelle est l\u2019origine du bruit, m\u00eame si plusieurs pistes sont envisag\u00e9es pour expliquer ce ph\u00e9nom\u00e8ne. <strong>La premi\u00e8re implique la Baffinland Iron Mines Corporation<\/strong> qui par le pass\u00e9 a cartographi\u00e9 les fonds marins \u00e0 l\u2019aide de sonars. Mais la compagnie a affirm\u00e9 ne pas avoir utilis\u00e9 r\u00e9cemment de tels \u00e9quipements sur place, de plus aucun permis de travaux sous-marins n\u2019a \u00e9t\u00e9 accord\u00e9 r\u00e9cemment. <strong>La seconde explication possible met en cause l\u2019ONG Greenpeace, qui selon des bruits de couloir, utiliserait des sonars pour \u00e9loigner les mammif\u00e8res des zones de chasse.<\/strong> Cependant aucune preuve ne peut confirmer cette possibilit\u00e9.<\/span><\/p>\n<p><span style=\"color: #000000;\">Le d\u00e9partement de la D\u00e9fense nationale, qui poss\u00e8de une ancienne base militaire \u00e0 70 km de la r\u00e9gion concern\u00e9e, continue de mener l\u2019enqu\u00eate. La r\u00e9alit\u00e9 pourrait \u00eatre bien plus banale car ce myst\u00e9rieux son <strong>pourrait venir d\u2019un \u00e9quipement sonore tomb\u00e9<\/strong> de l\u2019un des multiples bateaux qui utilisent le Passage du Nord-Ouest, libre de glace. A suivre &#8230;<\/span><\/p>\n<h6><span style=\"color: #000000;\">Source :greenetvert.fr<\/span><\/h6>\n<h6><span style=\"color: #000000;\">Cr\u00e9dit photo :\u00a0By NSF\/Josh Landis, employee 1999-2001 &#8211; http:\/\/photolibrary.usap.gov\/Portscripts\/PortWeb.dll?query&amp;field1=Filename&amp;op1=matches&amp;value=EDGE02.JPG&amp;catalog=Antarctica&amp;template=USAPgovMidThumbs, Public Domain, https:\/\/commons.wikimedia.org\/w\/index.php?curid=2725361<\/span><\/h6>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Quel est donc ce bruit myst\u00e9rieux qui fait fuir les mammif\u00e8res dans l\u2019Arctique canadien ? Le ph\u00e9nom\u00e8ne a d\u00e9but\u00e9 au mois de juin, dans le d\u00e9troit de Fury et Hecla, \u00e0 120 kilom\u00e8tres du hameau d\u2019Igloolik, dans la province du &hellip; <a href=\"https:\/\/claire-jannot.com\/?p=6962\">Continuer la lecture <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"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":"","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":[2],"tags":[51,39,5,52,48],"class_list":["post-6962","post","type-post","status-publish","format-standard","hentry","category-ecologie","tag-climat","tag-eau","tag-environnement","tag-oceans","tag-vie-animale"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p5jjt5-1Oi","_links":{"self":[{"href":"https:\/\/claire-jannot.com\/index.php?rest_route=\/wp\/v2\/posts\/6962","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/claire-jannot.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/claire-jannot.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/claire-jannot.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/claire-jannot.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6962"}],"version-history":[{"count":1,"href":"https:\/\/claire-jannot.com\/index.php?rest_route=\/wp\/v2\/posts\/6962\/revisions"}],"predecessor-version":[{"id":6964,"href":"https:\/\/claire-jannot.com\/index.php?rest_route=\/wp\/v2\/posts\/6962\/revisions\/6964"}],"wp:attachment":[{"href":"https:\/\/claire-jannot.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6962"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/claire-jannot.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6962"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/claire-jannot.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6962"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}