{"id":166503,"date":"2022-02-04T20:55:29","date_gmt":"2022-02-04T15:25:29","guid":{"rendered":"https:\/\/blog.forumias.com\/?p=166503"},"modified":"2022-02-04T20:55:29","modified_gmt":"2022-02-04T15:25:29","slug":"frequent-marine-heatwaves-in-indian-ocean-disrupt-indias-monsoon-pattern","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/frequent-marine-heatwaves-in-indian-ocean-disrupt-indias-monsoon-pattern\/","title":{"rendered":"Frequent marine heatwaves in Indian Ocean disrupt India\u2019s monsoon pattern\u00a0"},"content":{"rendered":"\n<p><b><span data-contrast=\"none\">News: <\/span><\/b><span data-contrast=\"none\">A phenomenon called Marine heat waves (MHW) have increased significantly in the past few decades in the Indian Ocean region. This is also impacting the Indian monsoon.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<h5><b><span data-contrast=\"none\">What are marine heatwaves and why they occur?<\/span><\/b><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:276}\">\u00a0<\/span><\/h5>\n<p><span data-contrast=\"none\">These are <\/span><b><span data-contrast=\"none\">periods of increased temperatures<\/span><\/b><span data-contrast=\"none\"> over seas and oceans. <\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">They are caused by an <\/span><b><span data-contrast=\"none\">increase in the heat content of oceans<\/span><\/b><span data-contrast=\"none\">, especially in the upper layers. <\/span><\/p>\n<p><span data-contrast=\"none\">Marine heat waves are one of the <\/span><b><span data-contrast=\"none\">major result of human-induced global warming,<\/span><\/b><span data-contrast=\"none\"> as around 90% of the warming caused by greenhouse gas emissions is absorbed by the oceans.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<h5><b><span data-contrast=\"none\">What is the impact on the oceans?<\/span><\/b><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:276}\">\u00a0<\/span><\/h5>\n<p><span data-contrast=\"none\">These events cause <strong>habitat destruction<\/strong> due to coral bleaching, seagrass destruction and loss of kelp forests, affecting the fisheries sector adversely<\/span><span data-contrast=\"auto\">.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">An underwater survey showed 85% of corals in the <strong>Gulf of Mannar<\/strong> near the Tamil Nadu coast got bleached after the marine heatwave in 2020<\/span><span data-contrast=\"auto\">.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<h5><b><span data-contrast=\"none\">How are they impacting the Indian monsoon?<\/span><\/b><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:276}\">\u00a0<\/span><\/h5>\n<p><span data-contrast=\"none\">The recent increase in marine heat waves in the Indian Ocean was <\/span><b><span data-contrast=\"none\">due to rapid warming and strong El Ni\u00f1o events. <\/span><\/b><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">In the Indian Ocean, the worst-affected area was its western part and northern Bay of Bengal. This <\/span><b><span data-contrast=\"none\">reduces the monsoon rainfall over central India<\/span><\/b><span data-contrast=\"none\"> while <\/span><b><span data-contrast=\"none\">increasing rainfall over the southern peninsular area<\/span><\/b><b><span data-contrast=\"auto\">.<\/span><\/b><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">Climate model projections suggest further warming of the Indian Ocean in the future, which will very likely intensify the marine heatwaves and their impact on the monsoon rainfall.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<h5><b><span data-contrast=\"none\">What is the way forward?<\/span><\/b><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:276}\">\u00a0<\/span><\/h5>\n<p><span data-contrast=\"none\">It is important to update current weather models to skilfully predict the challenges presented by a warming world and also enhance ocean observational arrays to monitor these events accurately.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"none\">Source: <\/span><\/b><span data-contrast=\"none\">This post is based on the article \u201c<\/span><b><span data-contrast=\"auto\">Frequent marine heatwaves in Indian Ocean disrupt India\u2019s monsoon pattern<\/span><\/b><span data-contrast=\"auto\">\u201d published in <\/span><b><span data-contrast=\"auto\">Down to earth<\/span><\/b><span data-contrast=\"auto\">\u00a0on 4<\/span><span data-contrast=\"auto\">th<\/span><span data-contrast=\"auto\"> Feb 2022.\u00a0\u00a0\u00a0<\/span><span data-contrast=\"none\">\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559739&quot;:160,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>News: A phenomenon called Marine heat waves (MHW) have increased significantly in the past few decades in the Indian Ocean region. This is also impacting the Indian monsoon.\u00a0 What are marine heatwaves and why they occur?\u00a0 These are periods of increased temperatures over seas and oceans. \u00a0 They are caused by an increase in the&hellip; <a class=\"more-link\" href=\"https:\/\/forumias.com\/blog\/frequent-marine-heatwaves-in-indian-ocean-disrupt-indias-monsoon-pattern\/\">Continue reading <span class=\"screen-reader-text\">Frequent marine heatwaves in Indian Ocean disrupt India\u2019s monsoon pattern\u00a0<\/span><\/a><\/p>\n","protected":false},"author":10328,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[1230,9],"tags":[10504,10514,216],"class_list":["post-166503","post","type-post","status-publish","format-standard","hentry","category-9-pm-daily-articles","category-public","tag-down-to-earth","tag-dte","tag-gs-paper-3","entry"],"jetpack_featured_media_url":"","views":{"total":0,"cached_at":"","cached_date":1704813920},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/166503","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/users\/10328"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=166503"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/166503\/revisions"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=166503"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=166503"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=166503"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}