{"id":38185,"date":"2020-09-04T17:45:46","date_gmt":"2020-09-04T17:45:46","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=38185"},"modified":"2020-09-07T17:16:19","modified_gmt":"2020-09-07T17:16:19","slug":"lake-water-color-changes-at-pyramid-lake-in-nevada","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/38185","title":{"rendered":"Lake water color changes at Pyramid Lake in Nevada"},"content":{"rendered":"<div id=\"attachment_38186\" style=\"width: 410px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/09\/n2.20183_to_20247.USA1_.143.250m.cropAnnotateanim.gif\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-38186\" class=\"wp-image-38186 size-full\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/09\/n2.20183_to_20247.USA1_.143.250m.cropAnnotateanim.gif\" alt=\"\" width=\"400\" height=\"400\" \/><\/a><p id=\"caption-attachment-38186\" class=\"wp-caption-text\">NOAA-20 VIIRS True-Color imagery of Pyramid Lake in Nevada, daily from 01 July through 03 September 2020<\/p><\/div>\n<p>The animation above shows NOAA-20 VIIRS true color imagery of Pyramid Lake (The Paiute tribe maintains a Pyramid Lake Twitter Account: <a href=\"https:\/\/twitter.com\/plpt\">Link<\/a>)\u00a0 in western Nevada. The Lake was closed on 21 July 2020 because cyanotoxins released during a toxic algae bloom (<a href=\"https:\/\/www.kolotv.com\/2020\/07\/24\/pyramid-lake-beaches-closed-over-toxic-algae-bloom\/#:~:text=PYRAMID%20LAKE%2C%20Nev.,of%20a%20toxic%20algae%20bloom.\">link<\/a>). The algae bloom is apparent before the lake closure on 21 July, as shown, for example in <a href=\"https:\/\/twitter.com\/CyanoTracker\/status\/1283972772599926784\">this Sentinel-2 image<\/a>.\u00a0 The color change due to the algal bloom is obvious between 01 and 20 July, as shown below.<\/p>\n<p>The algal bloom was followed by a &#8216;whiting&#8217; event during which calcium carbonate precipitates into the water (<a href=\"https:\/\/mynews4.com\/news\/local\/the-science-behind-the-turquoise-waters-at-pyramid-lake\">link with description<\/a>).\u00a0 On 1 August (below), that suspended calcium carbonate is apparent in far southern Pyramid Lake (<a href=\"https:\/\/twitter.com\/plpt\/status\/1292877936295473152\">Here is an image from 2 August<\/a>, and <a href=\"https:\/\/twitter.com\/plpt\/status\/1292878102326992897\">here are photographs of the Lake from 5 August<\/a>).\u00a0 The discoloration spreads slowly north, covering the entire lake by mid-August.\u00a0 \u00a0The animation above shows swirls in both algae and turquoise waters that are related to surface currents in the lake.\u00a0 The shimmery turquoise color remains as of 3 September 2020.\u00a0 Check out <a href=\"https:\/\/ge.ssec.wisc.edu\/viirs-today\">VIIRS today<\/a> daily into the future to see how the color changes.<\/p>\n<div id=\"attachment_38191\" style=\"width: 635px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/09\/n2.20183_20247.PyramidLake.143.250m.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-38191\" class=\"wp-image-38191\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/09\/n2.20183_20247.PyramidLake.143.250m.jpg\" alt=\"\" width=\"625\" height=\"417\" srcset=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/09\/n2.20183_20247.PyramidLake.143.250m.jpg 1200w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/09\/n2.20183_20247.PyramidLake.143.250m-300x200.jpg 300w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/09\/n2.20183_20247.PyramidLake.143.250m-1024x683.jpg 1024w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/09\/n2.20183_20247.PyramidLake.143.250m-768x512.jpg 768w\" sizes=\"auto, (max-width: 625px) 100vw, 625px\" \/><\/a><p id=\"caption-attachment-38191\" class=\"wp-caption-text\">NOAA-20 VIIRS Imagery of Pyramid Lake, times as indicated, between 1 July and 3 September 2020 (Click to enlarge)<\/p><\/div>\n<p>Hat tip to Mike Stavish, SOO at WFO MFR for alerting us to this event!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The animation above shows NOAA-20 VIIRS true color imagery of Pyramid Lake (The Paiute tribe maintains a Pyramid Lake Twitter Account: Link)\u00a0 in western Nevada. The Lake was closed on 21 July 2020 because cyanotoxins released during a toxic algae bloom (link). The algae bloom is apparent before the lake closure on 21 July, as [&hellip;]<\/p>\n","protected":false},"author":19,"featured_media":38191,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[78],"tags":[],"class_list":["post-38185","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noaa-20"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/38185","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/users\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/comments?post=38185"}],"version-history":[{"count":7,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/38185\/revisions"}],"predecessor-version":[{"id":38229,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/38185\/revisions\/38229"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/38191"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=38185"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=38185"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=38185"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}