{"id":121710,"date":"2026-08-30T14:08:03","date_gmt":"2026-08-30T08:38:03","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=121710"},"modified":"2026-08-30T17:20:32","modified_gmt":"2026-08-30T11:50:32","slug":"barrier-lake","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/barrier-lake\/","title":{"rendered":"Barrier Lake"},"content":{"rendered":"<h2><b>Barrier Lake Latest News<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The newly formed barrier lake on the Nepal-Tibet border poses an immediate, catastrophic threat to Nepal.\u00a0<\/span><\/p>\n<h2><b>About Barrier Lake<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">A barrier lake is more commonly known as a <\/span><b>landslide dam or lake.<\/b><\/p>\n<h2><b>Formation of Barrier Lake<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is created in a river valley <\/span><b>when landslide debris completely blocks a stream or river.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The displaced material <\/span><b>effectively becomes a natural dam<\/b><span style=\"font-weight: 400;\">, trapping water upstream and creating a temporary reservoir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is commonly formed in places with <\/span><b>high, steep mountains and narrow river valleys<\/b><span style=\"font-weight: 400;\"> that witness activity such as rock, soil and mud avalanches, slides, or flows.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">This <\/span><b>instantly plugs the river<\/b><span style=\"font-weight: 400;\"> flow. Water rapidly accumulates behind this natural blockage.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">As water pressure mounts, the loose debris dam can erode or suddenly collapse.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">This triggers the lake <\/span><b>burst<\/b><span style=\"font-weight: 400;\">, sending a catastrophic wall of water downstream.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The timescale of a breach can vary from days to even <\/span><b>decades after the formation of a dam.<\/b><\/li>\n<\/ul>\n<h2><b>Impact of Barrier Lake Failure<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A failure of the dam can potentially release millions of cubic metres of water in a short period, <\/span><b>causing catastrophic flooding downstream.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">This flooding can carry debris and also create secondary landslides downstream, <\/span><b>compounding its effect.<\/b><span style=\"font-weight: 400;\">\u00a0<\/span><\/li>\n<\/ul>\n<p><b>Source:<\/b> <strong><a href=\"https:\/\/indianexpress.com\/article\/explained\/nepal-flood-barrier-lake-second-flood-explained-10853184\/\" target=\"_blank\" rel=\"nofollow noopener\">IE<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Barrier lakes are formed when landslide debris blocks rivers, trapping water behind a natural dam that can erode or collapse. Read more about Barrier Lake, Formation, Impact of Failure, Latest News<\/p>\n","protected":false},"author":24,"featured_media":121757,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[9880,21,22,23],"class_list":["post-121710","post","type-post","status-publish","format-standard","has-post-thumbnail","category-upsc-prelims-current-affairs","tag-barrier-lake","tag-prelims-pointers","tag-upsc-current-affairs","tag-upsc-prelims-current-affairs","no-featured-image-padding"],"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/121710","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/24"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=121710"}],"version-history":[{"count":4,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/121710\/revisions"}],"predecessor-version":[{"id":121755,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/121710\/revisions\/121755"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/121757"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=121710"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=121710"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=121710"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}