{"id":2648,"date":"2019-11-21T17:13:10","date_gmt":"2019-11-21T21:13:10","guid":{"rendered":"https:\/\/www2.whoi.edu\/site\/itp\/?page_id=2648"},"modified":"2021-07-20T13:34:35","modified_gmt":"2021-07-20T17:34:35","slug":"itp60-data-processing","status":"publish","type":"page","link":"https:\/\/www2.whoi.edu\/site\/itp\/data\/completed-missions\/itp60\/itp60-data-processing\/","title":{"rendered":"ITP 060 Data Processing"},"content":{"rendered":"\r\n\t<h1>ITP60 Data Processing<\/h1>\r\n\t<p>The 258 profiles that were transmitted from the ITP were processed according to the procedures described in the\u00a0<a href=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/08\/ITP_Data_Processing_Procedures_35803-1.pdf\">ITP Updated Data Processing Procedures<\/a>.\u00a0 The processing parameters for are shown in the figures to the right.\u00a0 The biosuite sensor data handling are described in Laney et al., (2014). \u00a0Buoy drift speeds were infrequently more than 30 cm\/s so the profiler covered nearly the full extent of most profiles that it communicated to the surface package<em>.\u00a0<\/em><\/p>\r\n<p>The temperature and salinity data were almost entirely free of obvious fouling.\u00a0 Thermohaline staircases were present during the time series in the deep profiles, and the lag correction estimates were in typical ranges and mostly constant over time. The profile-to-profile potential conductivity corrections were also mostly typical and constant.\u00a0 The dissolved oxygen sensor data were also very clean while the profile-to-profile corrections increased gradually.\u00a0 The biosuite sensors all obtained excellent data over the lifetime of the profiler, as well.<\/p>\r\n<p>Unfortunately, the SAMI pCO<sub>2<\/sub>\u00a0sensor mounted at 6 m did not return good data, but the companion microcat did provide time series of temperature, salinity and dissolved oxygen.<\/p>\r\n<p>See the Data Products tab to the left for descriptions of the three levels (I, II, III) of data processing and to access all data.<\/p>\r\n<p>References:<\/p>\r\n<p>Laney, S.R., R.A. Krishfield, J.M. Toole, T.R. Hammar, C.J. Ashjian, and M.-L. Timmermans, 2014. Assessing Algal Biomass and Bio-optical Distributions in Perennially Ice-Covered Ocean Ecosystems.\u00a0<em>Polar Science<\/em>, Vol. 8,\u00a0<a href=\"http:\/\/dx.doi.org\/10.1016\/j.polar.2013.12.003\">http:\/\/dx.doi.org\/10.1016\/j.polar.2013.12.003<\/a>.<\/p>\r\n\t\t\t\t<a href=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/11\/itp60loc2_518437.jpg\" target=\"_self\" rel=\"noopener noreferrer\">\r\n\t\t\t\t<img loading=\"lazy\" src=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/11\/itp60loc2_518437.jpg\" alt=\"ITP surface buoy status.\" height=\"1730\" width=\"1000\" title=\"itp60loc2_518437\" \/>\r\n\t\t\t\t<\/a>\r\n\t\tITP surface buoy status.\r\n\t\t\t\t<a href=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/11\/itp60dat1_518419.jpg\" target=\"_self\" rel=\"noopener noreferrer\">\r\n\t\t\t\t<img loading=\"lazy\" src=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/11\/itp60dat1_518419.jpg\" alt=\"ITP profiler engineering data.\" height=\"1480\" width=\"1560\" title=\"itp60dat1_518419\" \/>\r\n\t\t\t\t<\/a>\r\n\t\tITP profiler engineering data.\r\n\t\t\t\t<a href=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/11\/itp60final1_518439.jpg\" target=\"_self\" rel=\"noopener noreferrer\">\r\n\t\t\t\t<img loading=\"lazy\" src=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/11\/itp60final1_518439.jpg\" alt=\"Number of bad points removed (top); variance of vertical difference of temperature and salinity in step region for up-going profiles; depth of staircase layer; temperature lag (bottom).\" height=\"2720\" width=\"2042\" title=\"itp60final1_518439\" \/>\r\n\t\t\t\t<\/a>\r\n\t\tNumber of bad points removed (top); variance of vertical difference of temperature and salinity in step region for up-going profiles; depth of staircase layer; temperature lag (bottom).\r\n\t\t\t\t<a href=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/11\/itp60final2_518421.jpg\" target=\"_self\" rel=\"noopener noreferrer\">\r\n\t\t\t\t<img loading=\"lazy\" src=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/11\/itp60final2_518421.jpg\" alt=\"Top: conductivity lag, Middle: conductivity thermal mass amplitude correction, Bottom: conductivity thermal mass lag correction.\" height=\"2730\" width=\"2037\" title=\"itp60final2_518421\" \/>\r\n\t\t\t\t<\/a>\r\n\t\tTop: conductivity lag, Middle: conductivity thermal mass amplitude correction, Bottom: conductivity thermal mass lag correction.\r\n\t\t\t\t<a href=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/11\/itp60final3_518423.jpg\" target=\"_self\" rel=\"noopener noreferrer\">\r\n\t\t\t\t<img loading=\"lazy\" src=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/11\/itp60final3_518423.jpg\" alt=\"Top: down pressure deviation correction, Middle: salinity ratio adjustment, Bottom: Number of filtered spikes.\" height=\"2726\" width=\"2042\" title=\"itp60final3_518423\" \/>\r\n\t\t\t\t<\/a>\r\n\t\tTop: down pressure deviation correction, Middle: salinity ratio adjustment, Bottom: Number of filtered spikes.\r\n\t\t\t\t<a href=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/11\/itp60final4_518441.jpg\" target=\"_self\" rel=\"noopener noreferrer\">\r\n\t\t\t\t<img loading=\"lazy\" src=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/11\/itp60final4_518441.jpg\" alt=\"Top: number of bad dissolved oxygen points removed, Middle: dissolved oxygen ratio adjustment, Bottom: Number of filtered spikes.\" height=\"2730\" width=\"2057\" title=\"itp60final4_518441\" \/>\r\n\t\t\t\t<\/a>\r\n\t\tTop: number of bad dissolved oxygen points removed, Middle: dissolved oxygen ratio adjustment, Bottom: Number of filtered spikes.\r\n","protected":false},"excerpt":{"rendered":"<p>ITP60 Data Processing The 258 profiles that were transmitted from the ITP were processed according to the procedures described in the\u00a0ITP Updated Data Processing Procedures.\u00a0 The processing parameters for are shown in the figures to the right.\u00a0 The biosuite sensor data handling are described in Laney et al., (2014). \u00a0Buoy drift speeds were infrequently more&hellip;<\/p>\n","protected":false},"author":83,"featured_media":0,"parent":2636,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"tpl-sidebar.php","meta":{"advanced-sidebar-menu\/link-title":"","advanced-sidebar-menu\/exclude-page":false},"_links":{"self":[{"href":"https:\/\/www2.whoi.edu\/site\/itp\/wp-json\/wp\/v2\/pages\/2648"}],"collection":[{"href":"https:\/\/www2.whoi.edu\/site\/itp\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www2.whoi.edu\/site\/itp\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www2.whoi.edu\/site\/itp\/wp-json\/wp\/v2\/users\/83"}],"replies":[{"embeddable":true,"href":"https:\/\/www2.whoi.edu\/site\/itp\/wp-json\/wp\/v2\/comments?post=2648"}],"version-history":[{"count":3,"href":"https:\/\/www2.whoi.edu\/site\/itp\/wp-json\/wp\/v2\/pages\/2648\/revisions"}],"predecessor-version":[{"id":3630,"href":"https:\/\/www2.whoi.edu\/site\/itp\/wp-json\/wp\/v2\/pages\/2648\/revisions\/3630"}],"up":[{"embeddable":true,"href":"https:\/\/www2.whoi.edu\/site\/itp\/wp-json\/wp\/v2\/pages\/2636"}],"wp:attachment":[{"href":"https:\/\/www2.whoi.edu\/site\/itp\/wp-json\/wp\/v2\/media?parent=2648"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}