{"id":784186,"date":"2024-06-14T20:00:56","date_gmt":"2024-06-15T01:00:56","guid":{"rendered":"http:\/\/spaceweekly.com\/?p=784186"},"modified":"2024-06-14T20:00:56","modified_gmt":"2024-06-15T01:00:56","slug":"summary-of-the-ninth-dscovr-epic-and-nistar-science-team-meeting","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=784186","title":{"rendered":"Summary of the Ninth DSCOVR EPIC and NISTAR Science Team Meeting"},"content":{"rendered":"<p> <br \/>\n<\/p>\n<div><!--[--><\/p>\n<p class=\"margin-0 padding-0\"><strong>Kai Yang<\/strong> [UMD] presented the algorithm for retrieving tropospheric O<sub>3<\/sub> from EPIC by estimating the stratosphere\u2013troposphere separation of retrieved O<sub>3<\/sub>\u00a0profiles. This approach contrasts with the traditional residual method, which relies on the stratospheric O<sub>3<\/sub>\u00a0fields from independent sources. Validated against the near-coincident O<sub>3<\/sub>\u00a0sonde measurements, EPIC data biased low by a few DU (up to 5 DU), consistent with EPIC\u2019s reduced sensitivity to O<sub>3<\/sub>\u00a0in the troposphere. Comparisons with seasonal means of TROPOMI tropospheric O<sub>3<\/sub>\u00a0show consistent spatial and temporal distributions, with lows and highs from atmospheric motion, pollution, lightning, and biomass burning. Yang also showed EPIC measurements of sulfur dioxide (SO<sub>2<\/sub>)\u00a0from recent volcanic eruptions, including Mauna Loa and Kilauea (Hawaii, U.S., 2022\u20132023), Sheveluch (Kamchatka, Russia, 2023), Etna (Italy, 2023), Fuego (Guatemala, 2023), Popocat\u00e9petl (Mexico, 2023), and Pavlof and Shishaldin (Aleutian Islands, U.S., 2023). Yang reported the maximum SO<sub>2<\/sub> mass loadings detected by EPIC are 430 kt from the 2022 Mauna Loa and Kilauea eruptions and 351 kt from the 2023 Sheveluch eruption.<\/p>\n<p><!--]--><\/div>\n<p><br \/>\n<br \/><a href=\"https:\/\/science.nasa.gov\/uncategorized\/summary-of-the-ninth-dscovr-epic-and-nistar-science-team-meeting\/?rand=772114\">Source link <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kai Yang [UMD] presented the algorithm for retrieving tropospheric O3 from EPIC by estimating the stratosphere\u2013troposphere separation of retrieved O3\u00a0profiles. This approach contrasts with the traditional residual method, which relies&hellip; <\/p>\n","protected":false},"author":1,"featured_media":784187,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-784186","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-NASA"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/784186","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=784186"}],"version-history":[{"count":0,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/784186\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/784187"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=784186"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=784186"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=784186"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}