Essential climate variable (ECV)Essential climate variable (ECV)https://calvalportal.ceos.org/web/guest/cal/val-wiki/-/wiki/6682362026-05-15T22:54:30Z2026-05-15T22:54:30ZEssential climate variable (ECV) 1.0Paolo Castracanehttps://calvalportal.ceos.org/web/guest/cal/val-wiki/-/wiki/668236/Essential climate variable (ECV)?_com_liferay_wiki_web_portlet_WikiPortlet_version=1.02020-01-16T10:40:01Z2020-01-16T10:40:01Z<p> <strong>Definition</strong></p><p> An ECV is a physical, chemical or biological variable or a group of linked variables that critically contributes to the characterization of Earth’s climate.</p><p> <strong>Source</strong></p><p> <a href="https://public.wmo.int/en">WMO</a></p><p> <strong>Suggestions</strong></p><p><span class="diff-html-removed" previous="first-diff" changeId="removed-diff-0" next="last-diff"> </span><span class="diff-html-removed" id="removed-diff-0" previous="first-diff" changeId="removed-diff-0" next="last-diff"> </span></p><p><span class="diff-html-removed" previous="first-diff" changeId="removed-diff-0" next="last-diff"> </span></p><p><span class="diff-html-removed" previous="first-diff" changeId="removed-diff-0" next="last-diff"> </span><strong style="font-size: 8pt;"><span class="diff-html-removed" previous="first-diff" changeId="removed-diff-0" next="last-diff">Category</span></strong><span class="diff-html-removed" previous="first-diff" changeId="removed-diff-0" next="last-diff"><!----></span></p><p><span class="diff-html-removed" previous="first-diff" changeId="removed-diff-0" next="last-diff"> </span><a href="https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fcalvalportal.ceos.org%2Ft-d_wiki%3Fp_p_id%3D54_INSTANCE_Wg3ti1194i20%26p_p_lifecycle%3D0%26p_p_state%3Dnormal%26p_p_mode%3Dview%26p_p_col_id%3Dcolumn-2%26p_p_col_count%3D1%26_54_INSTANCE_Wg3ti1194i20_struts_action%3D%252Fwiki_display%252Fview%26_54_INSTANCE_Wg3ti1194i20_nodeName%3DCEOS_Terms_and_Definitions%26_54_INSTANCE_Wg3ti1194i20_title%3D1.%2BEarth%2BObservation%2Bsystem%2Bwords&data=04%7C01%7Cfaye.lai%40npl.co.uk%7C71d207afa14d469389d808d988e92c16%7C601e5460b1bf49c0bd2de76ffc186a8d%7C1%7C0%7C637691357310842913%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=MFNAfQnNfO%2FSg73NKEVZ4eUMLWqKqZn9Es5VcxyDP%2FQ%3D&reserved=0" style="font-size: 8pt;"><span class="diff-html-removed" previous="first-diff" changeId="removed-diff-0" next="last-diff">1. Earth Observation system words</span></a><span class="diff-html-removed" previous="first-diff" changeId="removed-diff-0" next="last-diff"><!----></span></p>Paolo Castracane2020-01-16T10:40:01ZEssential climate variable (ECV) 1.2Emma Woolliamshttps://calvalportal.ceos.org/web/guest/cal/val-wiki/-/wiki/668236/Essential climate variable (ECV)?_com_liferay_wiki_web_portlet_WikiPortlet_version=1.22021-11-23T13:43:05Z2020-01-16T10:40:01Z<p> <strong>Definition</strong></p><table border="1" cellpadding="0" cellspacing="0" width="624"><tbody><tr><td style="width:533px;height:71px;"><p><span class="diff-html-changed" changes="<ul class='changelist'><li>Moved to a <b>table</b> with border 1, cellpadding 0, <br/>cellspacing 0 and width 624.</li><li>Moved to a <b>table&#39;s content</b>.</li><li>Moved to a <b>row</b>.</li><li>Moved to a <b>cell</b> with style width:533px;height:71px;.</li></ul>" previous="first-diff" changeId="changed-diff-0" next="added-diff-0"> </span><span class="diff-html-changed" id="changed-diff-0" changes="<ul class='changelist'><li>Moved to a <b>table</b> with border 1, cellpadding 0, <br/>cellspacing 0 and width 624.</li><li>Moved to a <b>table&#39;s content</b>.</li><li>Moved to a <b>row</b>.</li><li>Moved to a <b>cell</b> with style width:533px;height:71px;.</li></ul>" previous="first-diff" changeId="changed-diff-0" next="added-diff-0">An ECV is a physical, chemical</span><span class="diff-html-added" id="added-diff-0" previous="changed-diff-0" changeId="added-diff-0" next="changed-diff-1">, </span><span class="diff-html-changed" id="changed-diff-1" changes="<ul class='changelist'><li>Moved to a <b>table</b> with border 1, cellpadding 0, <br/>cellspacing 0 and width 624.</li><li>Moved to a <b>table&#39;s content</b>.</li><li>Moved to a <b>row</b>.</li><li>Moved to a <b>cell</b> with style width:533px;height:71px;.</li></ul>" previous="added-diff-0" changeId="changed-diff-1" next="added-diff-1">or biological variable or a group of linked variables that critically contributes to the characterization of Earth’s climate. </span><span class="diff-html-added" id="added-diff-1" previous="changed-diff-1" changeId="added-diff-1" next="changed-diff-2">ECV data sets provide the empirical evidence needed to understand and predict the evolution of climate, to guide mitigation and adaptation measures, to assess risks and enable attribution of climatic events to underlying causes, and to underpin climate services.</span><span class="diff-html-changed" id="changed-diff-2" changes="<ul class='changelist'><li>Moved to a <b>table</b> with border 1, cellpadding 0, <br/>cellspacing 0 and width 624.</li><li>Moved to a <b>table&#39;s content</b>.</li><li>Moved to a <b>row</b>.</li><li>Moved to a <b>cell</b> with style width:533px;height:71px;.</li></ul>" previous="added-diff-1" changeId="changed-diff-2" next="added-diff-2"><!----></span></p></td></tr></tbody></table><p><span class="diff-html-added" previous="changed-diff-2" changeId="added-diff-2" next="added-diff-3"> </span><span class="diff-html-added" id="added-diff-2" previous="changed-diff-2" changeId="added-diff-2" next="added-diff-3"> </span></p><p> <strong>Source</strong></p><p> <a href="https://public.wmo.int/en">WMO</a></p><p><span class="diff-html-added" previous="added-diff-2" changeId="added-diff-3" next="added-diff-4"> </span><a href="https://ceos.org/document_management/Working_Groups/WGISS/Interest_Groups/Data_Stewardship/White_Papers/EO-DataStewardshipGlossary.pdf"><span class="diff-html-added" id="added-diff-3" previous="added-diff-2" changeId="added-diff-3" next="added-diff-4">CEOS EO Data Stewardship Glossary</span></a><span class="diff-html-added" previous="added-diff-2" changeId="added-diff-3" next="added-diff-4"><!----></span></p><p><span class="diff-html-added" previous="added-diff-2" changeId="added-diff-3" next="added-diff-4"> NESDIS Data Management Lexicon and Related Terms </span></p><p> <strong>Suggestions</strong></p><p><span class="diff-html-added" previous="added-diff-3" changeId="added-diff-4" next="last-diff"> </span><span class="diff-html-added" id="added-diff-4" previous="added-diff-3" changeId="added-diff-4" next="last-diff"> </span></p><p><span class="diff-html-added" previous="added-diff-3" changeId="added-diff-4" next="last-diff"> </span></p><p><span class="diff-html-added" previous="added-diff-3" changeId="added-diff-4" next="last-diff"> </span><strong style="font-size: 8pt;"><span class="diff-html-added" previous="added-diff-3" changeId="added-diff-4" next="last-diff">Category</span></strong><span class="diff-html-added" previous="added-diff-3" changeId="added-diff-4" next="last-diff"><!----></span></p><p><span class="diff-html-added" previous="added-diff-3" changeId="added-diff-4" next="last-diff"> </span><a href="https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fcalvalportal.ceos.org%2Ft-d_wiki%3Fp_p_id%3D54_INSTANCE_Wg3ti1194i20%26p_p_lifecycle%3D0%26p_p_state%3Dnormal%26p_p_mode%3Dview%26p_p_col_id%3Dcolumn-2%26p_p_col_count%3D1%26_54_INSTANCE_Wg3ti1194i20_struts_action%3D%252Fwiki_display%252Fview%26_54_INSTANCE_Wg3ti1194i20_nodeName%3DCEOS_Terms_and_Definitions%26_54_INSTANCE_Wg3ti1194i20_title%3D1.%2BEarth%2BObservation%2Bsystem%2Bwords&data=04%7C01%7Cfaye.lai%40npl.co.uk%7C71d207afa14d469389d808d988e92c16%7C601e5460b1bf49c0bd2de76ffc186a8d%7C1%7C0%7C637691357310842913%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=MFNAfQnNfO%2FSg73NKEVZ4eUMLWqKqZn9Es5VcxyDP%2FQ%3D&reserved=0" style="font-size: 8pt;"><span class="diff-html-added" previous="added-diff-3" changeId="added-diff-4" next="last-diff">1. Earth Observation system words</span></a><span class="diff-html-added" previous="added-diff-3" changeId="added-diff-4" next="last-diff"><!----></span></p>Emma Woolliams2020-01-16T10:40:01Z