{"id":370623,"date":"2026-08-29T17:30:15","date_gmt":"2026-08-29T12:00:15","guid":{"rendered":"https:\/\/forumias.com\/blog\/?p=370623"},"modified":"2026-08-29T17:30:15","modified_gmt":"2026-08-29T12:00:15","slug":"barrier-lake","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/barrier-lake\/","title":{"rendered":"Barrier Lake"},"content":{"rendered":"<div class=\"content-box-green\">\n<p><strong>News:<\/strong> A significant barrier lake formed on the Tibetan side after the August 26 glacier collapse, creating a fresh flooding threat for Nepal.<\/p>\n<\/div>\n<h2 class=\"red-h2-box\">About Barrier Lake<\/h2>\n<figure id=\"attachment_370626\" aria-describedby=\"caption-attachment-370626\" style=\"width: 262px\" class=\"wp-caption aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\" wp-image-370626\" src=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2026\/08\/Source-ResearchGate-7.jpg?resize=262%2C513&#038;ssl=1\" alt=\"Barrier Lake\" width=\"262\" height=\"513\" \/><figcaption id=\"caption-attachment-370626\" class=\"wp-caption-text\">Source &#8211; ResearchGate<\/figcaption><\/figure>\n<ul>\n<li>A barrier lake is a <strong>temporary water body<\/strong> <strong>formed<\/strong> when <strong>landslide debris completely blocks a river or stream channel.<\/strong><\/li>\n<li><strong>Formation:<\/strong>\n<ul>\n<li><strong>Triggering Event:<\/strong> A <strong>glacier collapse, landslide, rockfall or debris<\/strong> flow can <strong>dislodge rock, soil, mud and ice from steep mountain slopes.<\/strong><\/li>\n<li><strong>Natural Dam Formation:<\/strong> The <strong>displaced material blocks a narrow river channel<\/strong>, causing <strong>water to accumulate upstream<\/strong> and form a <strong>temporary reservoir.<\/strong><\/li>\n<\/ul>\n<\/li>\n<li><strong>Key Features:<\/strong>\n<ul>\n<li><strong>Temporary Nature:<\/strong> Barrier lakes are temporary water bodies formed when natural debris blocks a river channel.<\/li>\n<li><strong>Unstable Barrier:<\/strong> The natural <strong>dam consists of loose soil, broken rock, mud, ice and other debris<\/strong>, making its stability uncertain.<\/li>\n<li><strong>Water Accumulation: <\/strong>Water <strong>accumulates behind the natural barrier,<\/strong> <strong>increasing pressure on it<\/strong> and potentially <strong>weakening it over time<\/strong>.<\/li>\n<li><strong>Landslide Lake Outburst Flood (LLOF):<\/strong> When the<strong> natural barrier suddenly fails, the stored water is released rapidly<\/strong>, causing a potentially <strong>devastating flood downstream.<\/strong><\/li>\n<li><strong>Variable Lifespan: <\/strong>A barrier dam <strong>may fail within days or even decades after its formation.<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<div class=\"content-box-yellow\">\n<h2>Examples of Barrier Lakes<\/h2>\n<\/div>\n<ul>\n<li><strong>2026:<\/strong> A barrier lake formed <strong>near the Chhochen Khola\u2013Purepu Tsangpo rivers along the Nepal-Tibet border.<\/strong><\/li>\n<li><strong>2014:<\/strong> A landslide lake formed across <strong>the Sunkoshi River in Nepal after a huge landslide.<\/strong><\/li>\n<li><strong>2008:<\/strong> Landslide dams formed along rivers near the <strong>Qinghai-Tibet Plateau after the Wenchuan earthquake.<\/strong><\/li>\n<li><strong>2000:<\/strong> <strong>The Yigong landslide created a 60-metre-high dam on the Yigong Tsangpo River.<\/strong><\/li>\n<li><strong>1835\u20131966:<\/strong> A rock-and-debris dam <strong>formed over the Tagermarch River in Kyrgyzstan and failed after 131 years.<\/strong><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>News: A significant barrier lake formed on the Tibetan side after the August 26 glacier collapse, creating a fresh flooding threat for Nepal. About Barrier Lake A barrier lake is a temporary water body formed when landslide debris completely blocks a river or stream channel. Formation: Triggering Event: A glacier collapse, landslide, rockfall or debris&hellip; <a class=\"more-link\" href=\"https:\/\/forumias.com\/blog\/barrier-lake\/\">Continue reading <span class=\"screen-reader-text\">Barrier Lake<\/span><\/a><\/p>\n","protected":false},"author":10401,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[1566,12023,11209,12039],"tags":[11872],"class_list":["post-370623","post","type-post","status-publish","format-standard","hentry","category-daily-factly-articles","category-disaster-management-science-and-technology-daily-factly-articles","category-geography-in-news","category-knolls","tag-9pm-daily-factly","entry"],"jetpack_featured_media_url":"","views":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/370623","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\/10401"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=370623"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/370623\/revisions"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=370623"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=370623"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=370623"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}