{"id":589,"date":"2018-05-27T17:42:30","date_gmt":"2018-05-27T21:42:30","guid":{"rendered":"https:\/\/sites.temple.edu\/geotoran\/?p=589"},"modified":"2018-05-27T18:01:29","modified_gmt":"2018-05-27T22:01:29","slug":"sinkhole-tracer-test","status":"publish","type":"post","link":"https:\/\/sites.temple.edu\/geotoran\/2018\/05\/27\/sinkhole-tracer-test\/","title":{"rendered":"Sinkhole tracer test"},"content":{"rendered":"<p>PhD student Jim Berglund and I finally got to do a tracer test in the sinkhole near Tippery Spring in central PA.\u00a0 Ellen Herman from Bucknell joined us to monitor the injection water.\u00a0 We used our new fluoroscein loggers to capture the first arrival after about 24 hours.\u00a0 We can detect less than 1 ppb up to 400 ppb.<\/p>\n<p><a href=\"https:\/\/sites.temple.edu\/geotoran\/files\/2018\/05\/injection_drip_sm.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-597\" src=\"https:\/\/sites.temple.edu\/geotoran\/files\/2018\/05\/injection_drip_sm-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"https:\/\/sites.temple.edu\/geotoran\/files\/2018\/05\/injection_drip_sm-225x300.jpg 225w, https:\/\/sites.temple.edu\/geotoran\/files\/2018\/05\/injection_drip_sm.jpg 759w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/a><a href=\"https:\/\/sites.temple.edu\/geotoran\/files\/2018\/05\/ellen_jim_sink_sm.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-596 alignright\" src=\"https:\/\/sites.temple.edu\/geotoran\/files\/2018\/05\/ellen_jim_sink_sm-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"https:\/\/sites.temple.edu\/geotoran\/files\/2018\/05\/ellen_jim_sink_sm-225x300.jpg 225w, https:\/\/sites.temple.edu\/geotoran\/files\/2018\/05\/ellen_jim_sink_sm.jpg 759w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/a><\/p>\n<p>So far none of the neighbors have complained about turning the stream green so I think we stayed below the visible detection at the outlet end.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PhD student Jim Berglund and I finally got to do a tracer test in the sinkhole near Tippery Spring in central PA.\u00a0 Ellen Herman from Bucknell joined us to monitor the injection water.\u00a0 We used our new fluoroscein loggers to &hellip; <a href=\"https:\/\/sites.temple.edu\/geotoran\/2018\/05\/27\/sinkhole-tracer-test\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":4114,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-589","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/posts\/589","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/users\/4114"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/comments?post=589"}],"version-history":[{"count":0,"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/posts\/589\/revisions"}],"wp:attachment":[{"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/media?parent=589"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/categories?post=589"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/tags?post=589"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}