{"id":7305,"date":"2021-01-21T15:53:10","date_gmt":"2021-01-21T20:53:10","guid":{"rendered":"https:\/\/canarie.machinedev.ca\/rne\/case-studies\/mrnet\/"},"modified":"2023-09-21T08:18:12","modified_gmt":"2023-09-21T12:18:12","slug":"mrnet","status":"publish","type":"page","link":"https:\/\/www.canarie.ca\/fr\/rnre\/etudes-de-cas\/mrnet\/","title":{"rendered":"MRnet"},"content":{"rendered":"\n\n<section class=\"section section--text-with-image  alignfull container squares-right\">\n  <svg version=\"1.1\" class=\"animated-square-graphic\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" x=\"0px\" y=\"0px\"\n\t viewBox=\"0 0 1084.85 1080\" style=\"enable-background:new 0 0 1084.85 1080;\" xml:space=\"preserve\">\n<style type=\"text\/css\">\n\t.st0{opacity:0.51;fill:#FEFEFE;}\n\t.st1{fill:#F4F4F5;}\n\t.st2{fill:#58C3D2;}\n\t.st3{fill:#E90D0B;}\n\t.st4{fill:#393D3F;}\n<\/style>\n<g>\n\t<path class=\"st0\" 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canadien<\/h1>\n  \t\t  \t\t                              <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n\n\n\n<p><strong>\u00c9tude de cas du RNRE par&nbsp;<a href=\"https:\/\/www.mrnet.mb.ca\/\" target=\"_blank\" rel=\"noreferrer noopener\">MRnet<\/a><\/strong><\/p>\n\n\n\n<p>L\u2019Arctique change. Depuis trente ans, le nombre de jours o\u00f9 la mer est libre ne cesse d\u2019augmenter, \u00e0 tel point qu\u2019on peut d\u00e9sormais naviguer un mois de plus chaque ann\u00e9e. Ce changement \u00e0 la fois soul\u00e8ve des probl\u00e8mes et engendre des possibilit\u00e9s dans le Nord et pour ceux qui y vivent. Une cons\u00e9quence, notamment, est que les navires circulent plus longtemps le long du passage du Nord-Ouest, voie oblig\u00e9e de l\u2019Arctique canadien. S\u2019ensuivent une intensification du trafic maritime, une plus vaste exploration des ressources p\u00e9troli\u00e8res et gazi\u00e8res, et des d\u00e9veloppements connexes.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p>Il est imp\u00e9rieux de saisir les effets de tels changements et les risques qui en d\u00e9coulent pour l\u2019environnement arctique. Nagu\u00e8re, les entreprises d\u00e9versaient sciemment du p\u00e9trole pour voir ce qui en r\u00e9sulterait. Une telle pratique est inacceptable aujourd\u2019hui. Pourtant, il faut continuer d\u2019\u00e9tudier l\u2019impact des activit\u00e9s humaines sur cette r\u00e9gion, d\u2019une grande importance sur les plans culturel, scientifique et environnemental. Dans cette optique, l\u2019Universit\u00e9 du Manitoba a am\u00e9nag\u00e9 une nouvelle station de recherche marine \u00e0 Churchill (Manitoba), sur la rive de la baie d\u2019Hudson, pr\u00e8s du seul port en eau profonde de l\u2019Arctique canadien.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote small is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong><strong>Qu\u2019est-ce que le RNRE?<\/strong><\/strong><\/p>\n\n\n\n<p><em><em>Le R\u00e9seau national de recherche et d\u2019\u00e9ducation (RNRE) est un regroupement d\u2019infrastructures, d\u2019outils et de personnes d\u2019une importance capitale dont la raison d\u2019\u00eatre est de rehausser le leadership du Canada dans les domaines de la recherche, de l\u2019enseignement et de l\u2019innovation. Les partenaires du RNRE canadien coop\u00e8rent afin de rendre cette infrastructure indispensable encore plus s\u00fbre. Un projet pancanadien sans pr\u00e9c\u00e9dent dans l\u2019histoire est en cours pour assurer une surveillance coordonn\u00e9e des menaces qui p\u00e8sent sur le r\u00e9seau.<\/em><\/em><\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">Une installation de recherche multidisciplinaire<\/h3>\n\n\n\n<p>L\u2019observatoire marin de Churchill est une installation unique, avant-gardiste et multidisciplinaire o\u00f9 les chercheurs peuvent examiner l\u2019\u00e9volution de l\u2019environnement arctique, de m\u00eame qu\u2019\u00e9tudier les r\u00e9percussions d\u2019un am\u00e9nagement plus intense du territoire, et \u00e9chafauder des strat\u00e9gies pour les att\u00e9nuer. La station comporte trois syst\u00e8mes majeurs. Le premier consiste en un double bassin ext\u00e9rieur d\u2019eau de mer pouvant accommoder diverses exp\u00e9riences sur les polluants d\u00e9riv\u00e9s des transports. Le deuxi\u00e8me est un syst\u00e8me complexe d\u2019observation de l\u2019environnement reli\u00e9 aux capteurs d\u00e9pos\u00e9s dans le principal chenal maritime qui va de l\u2019Atlantique Nord au port de Churchill. Ce syst\u00e8me nous renseigne sur la salinit\u00e9 de l\u2019oc\u00e9an\u00b8 sa temp\u00e9rature, l\u2019\u00e9paisseur de la glace, la productivit\u00e9 biologique et d\u2019autres param\u00e8tres naturels. Le troisi\u00e8me et dernier syst\u00e8me, une base logistique, sert de passerelle aux recherches ainsi que de plateforme pour la collecte et le traitement des donn\u00e9es.<\/p>\n\n\n\n<p>L\u2019observatoire abrite en son c\u0153ur des instruments scientifiques d\u2019une valeur de pr\u00e8s de vingt millions de dollars qui produisent un volume formidable de donn\u00e9es \u2013 plusieurs t\u00e9raoctets par jour. Au-del\u00e0 de 140&nbsp;chercheurs dans dix pays utilisent ces donn\u00e9es pour leurs travaux. Ils collaborent entre eux ainsi qu\u2019avec diverses organisations scientifiques du monde entier.<\/p>\n\n\n\n<p>Au d\u00e9but, quand ils voulaient partager les r\u00e9sultats de leurs travaux, les scientifiques de l\u2019observatoire devaient les enregistrer sur un disque dur et lui faire parcourir le globe. Des d\u00e9lais extr\u00eamement longs s\u2019ensuivaient avant qu\u2019on puisse analyser les donn\u00e9es et remettre des conclusions aux intervenants, ce qui interdisait de nombreux types de collaborations et d\u2019exp\u00e9riences.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Une collaboration en temps presque r\u00e9el<\/h3>\n\n\n\n<p>Heureusement, les disques durs ont d\u00e9sormais c\u00e9d\u00e9 la place \u00e0 une meilleure solution&nbsp;: \u00e0 pr\u00e9sent, les chercheurs peuvent compter sur le Manitoba Research Network (MRnet) et CANARIE, son partenaire national, pour faciliter la collecte, le stockage, le partage et l\u2019analyse des donn\u00e9es. MRnet fait partie du R\u00e9seau national de la recherche et de l\u2019\u00e9ducation (RNRE) canadien, dont CANARIE est la contrepartie f\u00e9d\u00e9rale. Le RNRE connecte les r\u00e9seaux provinciaux entre eux ainsi qu\u2019au reste de la plan\u00e8te. Ensemble, ces organisations sans but lucratif ont mis en place le r\u00e9seau fiable de fibres optiques, \u00e0 ultra haute vitesse et \u00e0 grande largeur de bande qui relie les chercheurs de l\u2019Arctique \u00e0 des coll\u00e8gues et homologues aussi lointains que ceux de la station spatiale internationale (par liaison satellite). Le r\u00e9seau propose des fonctions interactives aux chercheurs, si bien qu\u2019ils peuvent autant recevoir qu\u2019envoyer des donn\u00e9es en temps quasi r\u00e9el, ce qui rehausse la collaboration et rend les exp\u00e9riences plus fructueuses.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Un chef de file mondial dans la recherche sur l\u2019Arctique<\/h3>\n\n\n\n<p>L\u2019observatoire marin de Churchill devrait nous offrir quelques r\u00e9ponses utiles. L\u2019une des plus attendues concerne une nouvelle proc\u00e9dure qui att\u00e9nuera les r\u00e9percussions des d\u00e9versements accidentels au moyen de microorganismes qui d\u00e9vorent et d\u00e9composent les polluants. D\u2019autres portent sur les changements que traversent les courants oc\u00e9aniques et le climat, avec la fonte de la glace dans l\u2019Arctique, qui modifie la salinit\u00e9 de l\u2019eau de mer, ou encore sur les effets de la prospection des nappes d\u2019hydrocarbures et du tourisme sur les \u00e9cosyst\u00e8mes c\u00f4tiers des r\u00e9gions bor\u00e9ales.<\/p>\n\n\n\n<p>Lorsqu\u2019il sera enti\u00e8rement fonctionnel, en 2020, l\u2019observatoire renforcera la position du Canada au fa\u00eete de la recherche sur l\u2019Arctique. Les connaissances glan\u00e9es permettront aussi \u00e0 notre pays de mieux prot\u00e9ger cet important \u00e9cosyst\u00e8me. Enfin, l\u2019observatoire veillera \u00e0 ce que les organisations autochtones, l\u2019industrie et les administrations publiques obtiennent l\u2019information dont elles ont besoin pour r\u00e9agir de mani\u00e8re ad\u00e9quate aux pressions que le d\u00e9veloppement de cette r\u00e9gion exercera bient\u00f4t sur nous.<\/p>\n\n\n\n<section class=\"section section--quick-links\">\n    <div class=\"grid-container\">\n      <div class=\"grid-x grid-padding-x\">\n        <div class=\"cell\">\n                  \t<h2>En savoir plus sur MRnet, visitez :<\/h2>\n                                <div class=\"wp-block-buttons\">\n                \t\t\t\t  \t<a class=\"button wp-block-button__link\" href=\"http:\/\/mrnet.mb.ca\/\" target=\"_blank\">mrnet.mb.ca<\/a><br>\n    \t\t\t        \t\t\t  <\/div>\n    \t\t\t          <\/div>\n      <\/div>\n    <\/div>\n  <\/section>","protected":false},"excerpt":{"rendered":"<p>\u00c9tude de cas du RNRE par&nbsp;MRnet L\u2019Arctique change. Depuis trente ans, le nombre de jours o\u00f9 la mer est libre [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":6998,"parent":7168,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-7305","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>MRnet - CANARIE<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.canarie.ca\/fr\/rnre\/etudes-de-cas\/mrnet\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MRnet - CANARIE\" \/>\n<meta property=\"og:description\" content=\"\u00c9tude de cas du RNRE par&nbsp;MRnet L\u2019Arctique change. 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