{"id":80,"date":"2016-01-19T01:14:43","date_gmt":"2016-01-19T01:14:43","guid":{"rendered":"http:\/\/www.kochanski.org\/kelly\/?p=80"},"modified":"2018-12-15T20:21:44","modified_gmt":"2018-12-15T20:21:44","slug":"snow-bedforms-on-frozen-lakes","status":"publish","type":"post","link":"https:\/\/www.kochanski.org\/kelly\/snow-bedforms-on-frozen-lakes\/","title":{"rendered":"Snow features on frozen lakes"},"content":{"rendered":"<p>This winter, I&#8217;ve started to study\u00a0<strong>snow bedform<\/strong><strong>s<\/strong>. When snow falls, it settles into soft blankets &#8211; unless it gets caught by a strong wind. In Colorado, some of our strongest winter winds appear in the Front Range, where cold air falls over the Continental Divide towards the plains. When the wind picks up snow, it forms fantastic, ordered bedforms, like pointed sastrugi:<\/p>\n<p><a href=\"https:\/\/www.kochanski.org\/kelly\/wp-content\/uploads\/2016\/01\/sastrugi.jpg\" rel=\"attachment wp-att-81\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-81\" src=\"https:\/\/www.kochanski.org\/kelly\/wp-content\/uploads\/2016\/01\/sastrugi.jpg\" alt=\"Sastrugi point towards the wind\" width=\"712\" height=\"534\" srcset=\"https:\/\/www.kochanski.org\/kelly\/wp-content\/uploads\/2016\/01\/sastrugi.jpg 960w, https:\/\/www.kochanski.org\/kelly\/wp-content\/uploads\/2016\/01\/sastrugi-300x225.jpg 300w, https:\/\/www.kochanski.org\/kelly\/wp-content\/uploads\/2016\/01\/sastrugi-768x576.jpg 768w\" sizes=\"auto, (max-width: 712px) 100vw, 712px\" \/><\/a><\/p>\n<p>and dune-like crescents:, both big:<\/p>\n<p><a href=\"https:\/\/www.kochanski.org\/kelly\/wp-content\/uploads\/2016\/01\/crescent.jpg\" rel=\"attachment wp-att-82\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-82 size-full aligncenter\" src=\"https:\/\/www.kochanski.org\/kelly\/wp-content\/uploads\/2016\/01\/crescent.jpg\" alt=\"Snow crescent angled into the wind\" width=\"712\" height=\"534\" srcset=\"https:\/\/www.kochanski.org\/kelly\/wp-content\/uploads\/2016\/01\/crescent.jpg 712w, https:\/\/www.kochanski.org\/kelly\/wp-content\/uploads\/2016\/01\/crescent-300x225.jpg 300w\" sizes=\"auto, (max-width: 712px) 100vw, 712px\" \/><\/a><\/p>\n<p>and little:<\/p>\n<p><a href=\"https:\/\/www.kochanski.org\/kelly\/wp-content\/uploads\/2016\/01\/crescent2.jpg\" rel=\"attachment wp-att-83\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-83 size-medium\" src=\"https:\/\/www.kochanski.org\/kelly\/wp-content\/uploads\/2016\/01\/crescent2-300x226.jpg\" alt=\"A small snow crescent on a frozen lake\" width=\"300\" height=\"226\" srcset=\"https:\/\/www.kochanski.org\/kelly\/wp-content\/uploads\/2016\/01\/crescent2-300x226.jpg 300w, https:\/\/www.kochanski.org\/kelly\/wp-content\/uploads\/2016\/01\/crescent2.jpg 713w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>I took these\u00a0photos with CU-Boulder undergraduate Clea Bertholet for scale.<\/p>\n<p>In the coming weeks, I plan to start taking measurements and (eventually) build a model of snow bedform development in different wind and snow conditions. For now, we&#8217;re scouting snow conditions around Colorado.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This winter, I&#8217;ve started to study\u00a0snow bedforms. When snow falls,&hellip;<\/p>\n","protected":false},"author":1,"featured_media":82,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[68,3,54,4],"tags":[30,27,28,50,26,29],"class_list":["post-80","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-research-updates","category-field","category-niwot","category-research","tag-colorado","tag-frozen","tag-lakes","tag-nederland","tag-snow","tag-winter"],"_links":{"self":[{"href":"https:\/\/www.kochanski.org\/kelly\/wp-json\/wp\/v2\/posts\/80","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kochanski.org\/kelly\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kochanski.org\/kelly\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kochanski.org\/kelly\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kochanski.org\/kelly\/wp-json\/wp\/v2\/comments?post=80"}],"version-history":[{"count":6,"href":"https:\/\/www.kochanski.org\/kelly\/wp-json\/wp\/v2\/posts\/80\/revisions"}],"predecessor-version":[{"id":89,"href":"https:\/\/www.kochanski.org\/kelly\/wp-json\/wp\/v2\/posts\/80\/revisions\/89"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kochanski.org\/kelly\/wp-json\/wp\/v2\/media\/82"}],"wp:attachment":[{"href":"https:\/\/www.kochanski.org\/kelly\/wp-json\/wp\/v2\/media?parent=80"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kochanski.org\/kelly\/wp-json\/wp\/v2\/categories?post=80"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kochanski.org\/kelly\/wp-json\/wp\/v2\/tags?post=80"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}