{"id":1076,"date":"2023-06-20T13:53:56","date_gmt":"2023-06-20T08:23:56","guid":{"rendered":"https:\/\/lotusarise.com\/qna\/?p=1076"},"modified":"2024-04-03T07:08:15","modified_gmt":"2024-04-03T01:38:15","slug":"q-what-explains-the-eastward-flow-of-the-equatorial-counter-current","status":"publish","type":"post","link":"https:\/\/lotusarise.com\/qna\/upsc\/q-what-explains-the-eastward-flow-of-the-equatorial-counter-current","title":{"rendered":"Q. What explains the eastward flow of the equatorial counter-current?"},"content":{"rendered":"\n<ul class=\"mcq wp-block-list\">\n<li>The Earth\u2019s rotation on its axis<\/li>\n\n\n\n<li>Convergence of the two equatorial currents<\/li>\n\n\n\n<li>Difference in salinity of water<\/li>\n\n\n\n<li>Occurrence of the belt of calm near the equator<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Answer: (b) Convergence of the two equatorial currents<\/strong><\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">Notes:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The&nbsp;<strong>equatorial countercurrents are driven by a distinct surface wind pattern<\/strong>&nbsp;in the&nbsp;<strong>tropics.<\/strong><\/li>\n\n\n\n<li><strong>Strong westward trade winds result in westward surface flow&nbsp;<\/strong>in most of the&nbsp;<strong>tropical Atlantic and Pacific Oceans.<\/strong><\/li>\n\n\n\n<li>However, several hundred mi. (km.)&nbsp;<strong>north of the equator<\/strong>, the<strong>&nbsp;winds are much weaker<\/strong>, in comparison<\/li>\n\n\n\n<li>The&nbsp;<strong>stronger winds to the south pile up water where the winds are weak<\/strong>.<\/li>\n\n\n\n<li>As a result, the<strong>&nbsp;surface of the ocean can be up to 6 in.<\/strong>&nbsp;(15 cm.) higher and the&nbsp;<strong>thermocline<\/strong>&nbsp;as much as 328 ft. (100 m.) deeper than it is directly to the north.<\/li>\n\n\n\n<li>The&nbsp;<strong>excess water flows eastward&nbsp;<\/strong>under the<strong>&nbsp;influence of the Earth\u2019s rotation, giving rise to the equatorial countercurrents<\/strong>.<\/li>\n\n\n\n<li>&nbsp;In the&nbsp;<strong>Indian Ocean, the equatorial countercurrent is located several hundred mi. (km.) south of the equator.<\/strong><\/li>\n\n\n\n<li>In all three oceans, the<strong>&nbsp;equatorial countercurrent is concentrated in the upper 656 ft.<\/strong>&nbsp;(200 m.), above the&nbsp;<strong>thermocline<\/strong>.<\/li>\n\n\n\n<li>The&nbsp;<strong>intensity of the equatorial countercurrent varies from season to season and from month to month<\/strong>.<\/li>\n\n\n\n<li>The&nbsp;<strong>strongest seasonal changes occur in the Atlantic Ocean.<\/strong><\/li>\n\n\n\n<li><strong>Eastward flow reaches a maximum in the summer and fall, with speeds of up to 12 in. (30 cm.) per second<\/strong>, and&nbsp;<strong>disappears in the spring<\/strong>.<\/li>\n\n\n\n<li><strong>Seasonal changes are weaker in the Pacific Ocean<\/strong>. Here, the&nbsp;<strong>equatorial countercurrent exists year-round,&nbsp;<\/strong>and is&nbsp;<strong>strongest in the fall and winter, with speeds slightly<\/strong><\/li>\n<\/ul>\n\n\n<style>.wp-block-kadence-spacer.kt-block-spacer-_fd6ebf-43 .kt-block-spacer{height:40px;}.wp-block-kadence-spacer.kt-block-spacer-_fd6ebf-43 .kt-divider{border-top-width:2px;border-top-color:#eee;width:100%;border-top-style:solid;}<\/style>\n<div class=\"wp-block-kadence-spacer aligncenter kt-block-spacer-_fd6ebf-43\"><div class=\"kt-block-spacer kt-block-spacer-halign-center\"><hr class=\"kt-divider\"\/><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Answer: (b) Convergence of the two equatorial currents Notes:<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[1,3],"tags":[37],"years":[58],"class_list":["post-1076","post","type-post","status-publish","format-standard","hentry","category-upsc","category-prelims","tag-geography","years-58"],"acf":[],"taxonomy_info":{"category":[{"value":1,"label":"UPSC"},{"value":3,"label":"Prelims"}],"post_tag":[{"value":37,"label":"Geography"}],"years":[{"value":58,"label":"2015"}]},"featured_image_src_large":false,"author_info":{"display_name":"LotusArise","author_link":"https:\/\/lotusarise.com\/qna\/author\/team-lotusarise"},"comment_info":0,"category_info":[{"term_id":1,"name":"UPSC","slug":"upsc","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":1269,"filter":"raw","cat_ID":1,"category_count":1269,"category_description":"","cat_name":"UPSC","category_nicename":"upsc","category_parent":0},{"term_id":3,"name":"Prelims","slug":"prelims","term_group":0,"term_taxonomy_id":3,"taxonomy":"category","description":"","parent":1,"count":1251,"filter":"raw","cat_ID":3,"category_count":1251,"category_description":"","cat_name":"Prelims","category_nicename":"prelims","category_parent":1}],"tag_info":[{"term_id":37,"name":"Geography","slug":"geography","term_group":0,"term_taxonomy_id":37,"taxonomy":"post_tag","description":"","parent":0,"count":167,"filter":"raw"}],"_links":{"self":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts\/1076","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/comments?post=1076"}],"version-history":[{"count":1,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts\/1076\/revisions"}],"predecessor-version":[{"id":1090,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts\/1076\/revisions\/1090"}],"wp:attachment":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/media?parent=1076"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/categories?post=1076"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/tags?post=1076"},{"taxonomy":"years","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/years?post=1076"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}