{"id":1358,"date":"2019-08-29T14:10:51","date_gmt":"2019-08-29T18:10:51","guid":{"rendered":"https:\/\/www2.whoi.edu\/site\/itp\/?page_id=1358"},"modified":"2021-07-20T11:56:29","modified_gmt":"2021-07-20T15:56:29","slug":"itp-14-data-processing","status":"publish","type":"page","link":"https:\/\/www2.whoi.edu\/site\/itp\/data\/completed-missions\/itp-14\/itp-14-data-processing\/","title":{"rendered":"ITP 014 Data Processing"},"content":{"rendered":"\r\n\t<h1>ITP 14 Data Processing<\/h1>\r\n\t<p>The 166 profiles that were recovered 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 Data Processing Procedures<\/a>, and the processing parameters are shown in the figures to the right.\u00a0 Despite the short duration of operation, the profiler experienced 26 software resets (and typically incomplete vertical coverage for the next subsequent profiles) due to the 2007 software bug.\u00a0 This percentage of resets (15%) was superseded by only one other ITP (number 16 encountered 25% resets).\u00a0 On the other hand, the temperature and salinity data are remarkably free of errors (only profile 65 was removed because of corrupted data).<\/p>\r\n<p>Significant variability in the part of the water column where thermohaline staircases have been observed in the past indicate that perhaps some remnants of these features may have been present early in the time series (profiles 10-50), from which sensor lags could be estimated.\u00a0 These estimates coincided with typical standard lags, so these were applied throughout the series.\u00a0 Rapid drift was a factor at several instances, so that the profiler was unable to climb the wire against the current.<\/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\t\t\t\t<a href=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/08\/itp14loc2_137853.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\/08\/itp14loc2_137853.jpg\" alt=\"ITP surface buoy data\" height=\"1730\" width=\"1000\" title=\"itp14loc2_137853\" \/>\r\n\t\t\t\t<\/a>\r\n\t\tITP surface buoy data\r\n\t\t\t\t<a href=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/08\/itp14dat1_137855.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\/08\/itp14dat1_137855.jpg\" alt=\"ITP prfiler engineering data\" height=\"1480\" width=\"1560\" title=\"itp14dat1_137855\" \/>\r\n\t\t\t\t<\/a>\r\n\t\tITP prfiler engineering data\r\n\t\t\t\t<a href=\"https:\/\/www2.whoi.edu\/site\/itp\/wp-content\/uploads\/sites\/92\/2019\/08\/itp14final1_137799.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\/08\/itp14final1_137799.jpg\" alt=\"Data\" height=\"3300\" width=\"2550\" title=\"itp14final1_137799\" \/>\r\n\t\t\t\t<\/a>\r\n\t\tNumber of bad points removed (top); variance of verticle 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\/08\/itp14final3_137815.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\/08\/itp14final3_137815.jpg\" alt=\"Data\" height=\"3300\" width=\"2550\" title=\"itp14final3_137815\" \/>\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\/08\/itp14final2_137857.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\/08\/itp14final2_137857.jpg\" alt=\"Data\" height=\"3300\" width=\"2550\" title=\"itp14final2_137857\" \/>\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","protected":false},"excerpt":{"rendered":"<p>ITP 14 Data Processing The 166 profiles that were recovered from the ITP were processed according to the procedures described in the\u00a0ITP Data Processing Procedures, and the processing parameters are shown in the figures to the right.\u00a0 Despite the short duration of operation, the profiler experienced 26 software resets (and typically incomplete vertical coverage for&hellip;<\/p>\n","protected":false},"author":83,"featured_media":0,"parent":1347,"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\/1358"}],"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=1358"}],"version-history":[{"count":3,"href":"https:\/\/www2.whoi.edu\/site\/itp\/wp-json\/wp\/v2\/pages\/1358\/revisions"}],"predecessor-version":[{"id":3456,"href":"https:\/\/www2.whoi.edu\/site\/itp\/wp-json\/wp\/v2\/pages\/1358\/revisions\/3456"}],"up":[{"embeddable":true,"href":"https:\/\/www2.whoi.edu\/site\/itp\/wp-json\/wp\/v2\/pages\/1347"}],"wp:attachment":[{"href":"https:\/\/www2.whoi.edu\/site\/itp\/wp-json\/wp\/v2\/media?parent=1358"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}