{"id":605659,"date":"2019-04-11T06:36:31","date_gmt":"2019-04-11T10:36:31","guid":{"rendered":"https:\/\/ntrs.nasa.gov\/search.jsp?R=20190002261"},"modified":"2019-04-11T06:36:31","modified_gmt":"2019-04-11T10:36:31","slug":"age-of-martian-air-time-scales-for-martian-atmospheric-transport","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=605659","title":{"rendered":"Age of Martian Air: Time Scales for Martian Atmospheric Transport"},"content":{"rendered":"<p>Abstract: The mean time since air in the Martian atmosphere was in the low-latitude boundary layer is examined using simulations of an idealized \u201cmean age\u201d tracer with the MarsWRF general circulation model. The spatial distribution and seasonality of the mean age in low- and mid-latitudes broadly follow contours of the mean meridional circulation, with the mean age increasing from 0 at the surface to a maximum of 60\u2013100 sols in the upper atmosphere. Substantially older mean ages (exceeding 300 sols) ar&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Abstract: The mean time since air in the Martian atmosphere was in the low-latitude boundary layer is examined using simulations of an idealized &ldquo;mean age&rdquo; tracer with the MarsWRF general circulation model. The spatial distribution and seasonality of the mean age in low- and mid-latitudes broadly follow contours of the mean meridional circulation, with the mean age increasing from 0 at the surface to a maximum of 60&ndash;100 sols in the upper atmosphere. Substantially older mean ages (exceeding 300 sols) ar&#8230;<\/p>\n","protected":false},"author":60,"featured_media":615444,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-605659","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/605659","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\/60"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=605659"}],"version-history":[{"count":2,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/605659\/revisions"}],"predecessor-version":[{"id":609280,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/605659\/revisions\/609280"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/615444"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=605659"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=605659"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=605659"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}