{"id":639,"date":"2019-05-29T17:06:29","date_gmt":"2019-05-29T21:06:29","guid":{"rendered":"https:\/\/www2.whoi.edu\/site\/jameskinsey\/?page_id=639"},"modified":"2019-06-17T13:35:55","modified_gmt":"2019-06-17T17:35:55","slug":"flux-measurements-with-auvs","status":"publish","type":"page","link":"https:\/\/www2.whoi.edu\/site\/jameskinsey\/research\/flux-measurements-with-auvs\/","title":{"rendered":"Flux Measurements with AUVs"},"content":{"rendered":"\n\t<h1>Flux Measurements with AUVs<\/h1>\n\t<h2>Water Velocity Measurements with AUVs<\/h2>\n<p>In 2014, I led an\u00a0NSF-funded Sentry program that, for the first time, provided the necessary instrumentation for validating\u00a0water velocity measurements from deep-diving AUVs. State estimation methods I have previously developed\u00a0were used to provide improved vehicle and water velocity estimates and these results \u00a0compared to\u00a0measurements from seafloor mounted instrumentation. Stochastic approaches, that consider the uncertainty of\u00a0sensor measurements are also being explored \u2014 an approach previously not used for estimating water velocities\u00a0from moving AUVs. The unique experimental setup that includes seafloor mounted instrumentation, such\u00a0as seafloor-mounted ADCPs and cameras measuring diffuse and focused hydrothermal flow, will provide\u00a0measurements for validating the AUV obtained measurements. In collaboration with geophysicists, the data\u00a0from these experiments are being assimilated with geophysical measurements to provide improved estimates of\u00a0hydrothermal flux.<\/p>\n\t\t\t\t<a href=\"https:\/\/www2.whoi.edu\/site\/jameskinsey\/wp-content\/uploads\/sites\/76\/2019\/05\/sentry-2014-jdf-launch_n_364154.jpg\" target=\"_self\" rel=\"noopener noreferrer\">\n\t\t\t\t<img loading=\"lazy\" src=\"https:\/\/www2.whoi.edu\/site\/jameskinsey\/wp-content\/uploads\/sites\/76\/2019\/05\/sentry-2014-jdf-launch_n_364154.jpg\" alt=\"Launching the Sentry AUV in July 2014 for a 12 hour mission to measure heat flux at the ASHES hydrothermal vent site.  Sentry was equipped with two high resolution temperature sensors, a Acoustic Doppler Velocimeter, and two Acoustic Doppler Current Profiliers.\" height=\"380\" width=\"300\" title=\"sentry-2014-jdf-launch_n_364154\" \/>\n\t\t\t\t<\/a>\n\t\tLaunching the Sentry AUV in July 2014 for a 12 hour mission to measure heat flux at the ASHES hydrothermal vent site.  Sentry was equipped with two high resolution temperature sensors, a Acoustic Doppler Velocimeter, and two Acoustic Doppler Current Profiliers.\n","protected":false},"excerpt":{"rendered":"<p>Flux Measurements with AUVs Water Velocity Measurements with AUVs In 2014, I led an\u00a0NSF-funded Sentry program that, for the first time, provided the necessary instrumentation for validating\u00a0water velocity measurements from deep-diving AUVs. State estimation methods I have previously developed\u00a0were used to provide improved vehicle and water velocity estimates and these results \u00a0compared to\u00a0measurements from seafloor&hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":603,"menu_order":4,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/www2.whoi.edu\/site\/jameskinsey\/wp-json\/wp\/v2\/pages\/639"}],"collection":[{"href":"https:\/\/www2.whoi.edu\/site\/jameskinsey\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www2.whoi.edu\/site\/jameskinsey\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www2.whoi.edu\/site\/jameskinsey\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www2.whoi.edu\/site\/jameskinsey\/wp-json\/wp\/v2\/comments?post=639"}],"version-history":[{"count":3,"href":"https:\/\/www2.whoi.edu\/site\/jameskinsey\/wp-json\/wp\/v2\/pages\/639\/revisions"}],"predecessor-version":[{"id":781,"href":"https:\/\/www2.whoi.edu\/site\/jameskinsey\/wp-json\/wp\/v2\/pages\/639\/revisions\/781"}],"up":[{"embeddable":true,"href":"https:\/\/www2.whoi.edu\/site\/jameskinsey\/wp-json\/wp\/v2\/pages\/603"}],"wp:attachment":[{"href":"https:\/\/www2.whoi.edu\/site\/jameskinsey\/wp-json\/wp\/v2\/media?parent=639"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}