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.infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox vcard"><caption class="infobox-title fn org">Canadian Geophysical Union</caption><tbody><tr><th scope="row" class="infobox-label" style="padding-right:0.6em;">Abbreviation</th><td class="infobox-data nickname">CGU (UGC in French)</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.6em;">Formation</th><td class="infobox-data note">1974</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.6em;">Type</th><td class="infobox-data"><a href="/wiki/Learned_society" title="Learned society">Learned society</a></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.6em;">Legal status</th><td class="infobox-data"><a href="/wiki/Not-for-profit_organization" title="Not-for-profit organization">Not-for-profit organization</a></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.6em;">Headquarters</th><td class="infobox-data"><a href="/wiki/Montreal" title="Montreal">Montreal</a>, <a href="/wiki/Quebec" title="Quebec">Quebec</a>, Canada</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.6em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Region served </div></th><td class="infobox-data">Canada</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.6em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Membership </div></th><td class="infobox-data">500</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.6em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Official languages </div></th><td class="infobox-data"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist dt::after{content:": "}.mw-parser-output .hlist dd::after,.mw-parser-output .hlist li::after{content:" · ";font-weight:bold}.mw-parser-output .hlist dd:last-child::after,.mw-parser-output .hlist dt:last-child::after,.mw-parser-output .hlist li:last-child::after{content:none}.mw-parser-output .hlist dd dd:first-child::before,.mw-parser-output .hlist dd dt:first-child::before,.mw-parser-output .hlist dd li:first-child::before,.mw-parser-output .hlist dt dd:first-child::before,.mw-parser-output .hlist dt dt:first-child::before,.mw-parser-output .hlist dt li:first-child::before,.mw-parser-output .hlist li dd:first-child::before,.mw-parser-output .hlist li dt:first-child::before,.mw-parser-output .hlist li li:first-child::before{content:" (";font-weight:normal}.mw-parser-output .hlist dd dd:last-child::after,.mw-parser-output .hlist dd dt:last-child::after,.mw-parser-output .hlist dd li:last-child::after,.mw-parser-output .hlist dt dd:last-child::after,.mw-parser-output .hlist dt dt:last-child::after,.mw-parser-output .hlist dt li:last-child::after,.mw-parser-output .hlist li dd:last-child::after,.mw-parser-output .hlist li dt:last-child::after,.mw-parser-output .hlist li li:last-child::after{content:")";font-weight:normal}.mw-parser-output .hlist ol{counter-reset:listitem}.mw-parser-output .hlist ol>li{counter-increment:listitem}.mw-parser-output .hlist ol>li::before{content:" "counter(listitem)"\a0 "}.mw-parser-output .hlist dd ol>li:first-child::before,.mw-parser-output .hlist dt ol>li:first-child::before,.mw-parser-output .hlist li ol>li:first-child::before{content:" ("counter(listitem)"\a0 "}</style><div class="hlist"><ul><li>English</li><li>French</li></ul></div></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.6em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/President_of_the_Canadian_Geophysical_Union" class="mw-redirect" title="President of the Canadian Geophysical Union">President</a></div></th><td class="infobox-data">Andrew Ireson</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.6em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Vice President</div></th><td class="infobox-data">Claire Oswald</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.6em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Main organ</div></th><td class="infobox-data"><a rel="nofollow" class="external text" href="https://cgu-ugc.ca/aboutcgu/executive/">Executive Board</a></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.6em;">Affiliations</th><td class="infobox-data"><a href="/wiki/International_Union_of_Geodesy_and_Geophysics" title="International Union of Geodesy and Geophysics">International Union of Geodesy and Geophysics</a> (IUGG)<br />Canadian Societies for the Geophysical Sciences (CSGS)</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.6em;">Website</th><td class="infobox-data"><a rel="nofollow" class="external text" href="https://cgu-ugc.ca">www.cgu-ugc.ca</a></td></tr></tbody></table> <p>The <b>Canadian Geophysical Union</b> (<a href="/wiki/French_language" title="French language">French</a>: <span lang="fr" style="font-style: normal;"><b>Union géophysique canadienne</b></span>) (<b>CGU</b>) is a society dedicated to the study of Earth and its <a href="/wiki/Space" title="Space">space</a> environment, including the Sun and solar system. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="History">History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Canadian_Geophysical_Union&action=edit&section=1" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:John_Tuzo_Wilson_in_1992.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bd/John_Tuzo_Wilson_in_1992.jpg/220px-John_Tuzo_Wilson_in_1992.jpg" decoding="async" width="220" height="271" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bd/John_Tuzo_Wilson_in_1992.jpg/330px-John_Tuzo_Wilson_in_1992.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bd/John_Tuzo_Wilson_in_1992.jpg/440px-John_Tuzo_Wilson_in_1992.jpg 2x" data-file-width="1158" data-file-height="1427" /></a><figcaption><a href="/wiki/John_Tuzo_Wilson" title="John Tuzo Wilson">John Tuzo Wilson</a> (1908–1993)</figcaption></figure> <p>The organization began in 1945 as an Associate Committee of the <a href="/wiki/National_Research_Council_Canada" title="National Research Council Canada">National Research Council Canada</a>. It amalgamated with the Canadian committee for the International Union of Geodesy and Geophysics in 1946 and was renamed as the Associate Committee of Geodesy and Geophysics of the NRC. The organization was replaced in 1974 by the Canadian Geophysical Union with <a href="/wiki/John_Tuzo_Wilson" title="John Tuzo Wilson">John Tuzo Wilson</a> as its first president. It became an independent organization in 1988 and now has avout 500 members.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Awards">Awards</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Canadian_Geophysical_Union&action=edit&section=2" title="Edit section: Awards"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The CGU awards the annual <a href="/wiki/J._Tuzo_Wilson_Medal" title="J. Tuzo Wilson Medal">J. Tuzo Wilson Medal</a>, named in honour of Canadian geophysicist <a href="/wiki/John_Tuzo_Wilson" title="John Tuzo Wilson">John Tuzo Wilson</a>. the CGU also annually awards the <a href="/wiki/Young_Scientist_Award" title="Young Scientist Award">Young Scientist Award</a> and the Meritorious Service Award. Seven Student Awards are also bestowed annually.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Canadian_Geophysical_Union&action=edit&section=3" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Natural_scientific_research_in_Canada" title="Natural scientific research in Canada">Natural scientific research in Canada</a></li> <li><a href="/wiki/List_of_geoscience_organizations" title="List of geoscience organizations">List of geoscience organizations</a></li> <li><a href="/wiki/National_Geographic_Society" title="National Geographic Society">National Geographic Society</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Canadian_Geophysical_Union&action=edit&section=4" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://cgu-ugc.ca/aboutcgu/cgu-history/">"CGU History"</a>. <i>Canadian Geophysical Union / Union Géophysique Canadienne</i>. 7 July 2015<span class="reference-accessdate">. Retrieved <span class="nowrap">1 January</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Canadian+Geophysical+Union+%2F+Union+G%C3%A9ophysique+Canadienne.&rft.atitle=CGU+History&rft.date=2015-07-07&rft_id=https%3A%2F%2Fcgu-ugc.ca%2Faboutcgu%2Fcgu-history%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACanadian+Geophysical+Union" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://cgu-ugc.ca/awards/">"Awards"</a>. <i>Canadian Geophysical Union / Union Géophysique Canadienne</i>. 20 June 2015<span class="reference-accessdate">. Retrieved <span class="nowrap">1 January</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Canadian+Geophysical+Union+%2F+Union+G%C3%A9ophysique+Canadienne.&rft.atitle=Awards&rft.date=2015-06-20&rft_id=https%3A%2F%2Fcgu-ugc.ca%2Fawards%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACanadian+Geophysical+Union" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Canadian_Geophysical_Union&action=edit&section=5" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://www.cgu-ugc.ca/">CGU Official Website</a></li></ul> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" 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