[{"dataset_parameter_nid":"781557","supplied_name":"tow","supplied_units":"unitless","value_format":null,"description":"\u003Cp\u003ETow number (based on file name)\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1016","parameter_description":"\u003Cp\u003Etow number\/identification; applies to all towed vehicles and is generally associated with plankton net tows\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"tow","parameter_external_identifier":null,"parameter_short_description":"tow","parameter_short_name":"tow","parameter_units":"dimensionless","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"781558","supplied_name":"date_start","supplied_units":"unitless","value_format":null,"description":"\u003Cp\u003EDate UTC at start of tow (from file header); format: yyyy-mm-dd\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1070","parameter_description":"\u003Cp\u003Edate; generally reported in GMT as YYYYMMDD (year; month; day); also as MMDD (month; day); EqPac dates are local Hawaii time. ISO_Date format is YYYY-MM-DD (\u003Ca href=\u0022http:\/\/www.iso.org\/iso\/home\/standards\/iso8601.htm\u0022 target=\u0022_blank\u0022\u003Ehttp:\/\/www.iso.org\/iso\/home\/standards\/iso8601.htm\u003C\/a\u003E)\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"date","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/ADATAA01\/","parameter_short_description":"date","parameter_short_name":"date","parameter_units":null,"parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"781559","supplied_name":"time_start","supplied_units":"unitless","value_format":null,"description":"\u003Cp\u003ETime UTC at start of tow (from file header); format: hh:mm:ss\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1075","parameter_description":"\u003Cp\u003ETime GMT defined as HHMM; time of day; generally reported in GMT as HHMM (hours and minutes) but may also be HH.H (decimal hours) or HHMMSS (hours; minutes and seconds); in EqPac time is reported as Hawaii local time\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"time","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/AHMSAA01\/","parameter_short_description":"time of day","parameter_short_name":"time","parameter_units":"HHMM or HHMMSS","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"781560","supplied_name":"ISO_DateTime_UTC_start","supplied_units":"unitless","value_format":null,"description":"\u003Cp\u003EDate and time (UTC) at start of tow formatted ISO8601 standard: yyyy-mm-ddTHH:MM:SS\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":null,"parameter_nid":"1908","parameter_description":"\u003Cp\u003EDate\/Time (UTC) ISO formatted\u003Cbr \/\u003E\nThis standard is based on ISO 8601:2004(E) and takes on any of the following forms:\u003Cbr \/\u003E\n2009-08-30T09:05:00[.xx] (local time)\u003Cbr \/\u003E\n2009-08-30T14:05:00[.xx]Z (UTC time)\u003Cbr \/\u003E\n2009-08-30T14:05:00[.xx]-05:00\u003Cbr \/\u003E\nThe dashes and the colons can be dropped.\u003Cbr \/\u003E\nThe T can also be dropped \u0022by mutual agreement\u0022, but one needs the trailing Z if the time is UTC.\u003C\/p\u003E\n\u003Cp\u003ESample ISO_datetime_utc:\u003Cbr \/\u003E\n2009-08-30T14:05:00[.xx]Z (UTC time)\u003C\/p\u003E\n\u003Cp\u003EFormat: YYYY-mm-ddTHH:MM:SS[.xx]Z (UTC time)\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"ISO_DateTime_UTC","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/DTUT8601\/","parameter_short_description":"ISO_DateTime_UTC","parameter_short_name":"ISO_DateTime_UTC","parameter_units":"YYYY-MM-DDTHH:MM:SS[.xx]Z","parameter_units_external_identifier":null,"order":null,"types":[{"type":"Primary ISODateTime variable","dataset_parameter_type_nid":"781586","type_rankable":"0","type_tid":"148"}]},{"dataset_parameter_nid":"781561","supplied_name":"cruise","supplied_units":"unitless","value_format":null,"description":"\u003Cp\u003ECruise identifier\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1102","parameter_description":"\u003Cp\u003Ecruise designation; name\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"cruise_id","parameter_external_identifier":null,"parameter_short_description":"Cruise identfier","parameter_short_name":"cruise_id","parameter_units":"dimensionless","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"781562","supplied_name":"time","supplied_units":"unitless","value_format":null,"description":"\u003Cp\u003EDecimal day of year\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1075","parameter_description":"\u003Cp\u003ETime GMT defined as HHMM; time of day; generally reported in GMT as HHMM (hours and minutes) but may also be HH.H (decimal hours) or HHMMSS (hours; minutes and seconds); in EqPac time is reported as Hawaii local time\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"time","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/AHMSAA01\/","parameter_short_description":"time of day","parameter_short_name":"time","parameter_units":"HHMM or HHMMSS","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"781563","supplied_name":"pres","supplied_units":"decibars (dbar)","value_format":null,"description":"\u003Cp\u003EPressure\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"732","parameter_description":"\u003Cp\u003Ewater pressure at measurement; depth reported as pressure; positive number increasing with water depth\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"pressure","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/PRESPR01\/","parameter_short_description":"water pressure","parameter_short_name":"press","parameter_units":"various","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"781565","supplied_name":"temp","supplied_units":"degrees Celsius","value_format":null,"description":"\u003Cp\u003ETemperature of the water\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"733","parameter_description":"\u003Cp\u003Ewater temperature at measurement depth\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"temperature","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/TEMPP901\/","parameter_short_description":"water temperature at measurement depth","parameter_short_name":"temp","parameter_units":"degrees Celsius, ITS 90","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"781566","supplied_name":"theta","supplied_units":"kilograms per cubic meter (Kg m-3)","value_format":null,"description":"\u003Cp\u003ESigma-theta (density) of the water\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"971","parameter_description":"\u003Cp\u003Esigma-theta (potential density), often reported in kg\/m^3. Sigma-theta is denoted \u0027sigma_0\u0027, where the last digit, a zero, is used to represent the Greek letter theta. This altered density which takes into account adiabatic heating\/cooling with changes in pressure is called the \u0027potential density\u0027. (See \u003Ca href=\u0022http:\/\/globec.whoi.edu\/globec-dir\/sea_water_density_description.html\u0022 target=\u0022_blank\u0022\u003EHow do we measure the density of sea water?\u003C\/a\u003E)\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"sigma_0","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/SIGTPR01\/","parameter_short_description":"sigma-theta","parameter_short_name":"sigma_0","parameter_units":"various","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"781567","supplied_name":"sal","supplied_units":"PSU","value_format":null,"description":"\u003Cp\u003ESalinity of the water\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"955","parameter_description":"\u003Cp\u003ESalinity: The amount (mass or quantity of matter) of salt per amount (volume or mass) of a body of water.\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"sal","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/PSALST01\/","parameter_short_description":"salinity","parameter_short_name":"sal","parameter_units":"dimensionless","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"781568","supplied_name":"sigma","supplied_units":"kilograms per cubic meter (Kg m-3)","value_format":null,"description":"\u003Cp\u003ESigma (density) of the water\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"971","parameter_description":"\u003Cp\u003Esigma-theta (potential density), often reported in kg\/m^3. Sigma-theta is denoted \u0027sigma_0\u0027, where the last digit, a zero, is used to represent the Greek letter theta. This altered density which takes into account adiabatic heating\/cooling with changes in pressure is called the \u0027potential density\u0027. (See \u003Ca href=\u0022http:\/\/globec.whoi.edu\/globec-dir\/sea_water_density_description.html\u0022 target=\u0022_blank\u0022\u003EHow do we measure the density of sea water?\u003C\/a\u003E)\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"sigma_0","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/SIGTPR01\/","parameter_short_description":"sigma-theta","parameter_short_name":"sigma_0","parameter_units":"various","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"781569","supplied_name":"angle","supplied_units":"degrees","value_format":null,"description":"\u003Cp\u003EAngle of the net\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"742","parameter_description":"\u003Cp\u003Eangle of tow body relative to vertical (0-89 degrees), used in BIOMAPER-II and MOCNESS systems\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"tow_angle ","parameter_external_identifier":null,"parameter_short_description":"angle of tow body relative to vertical","parameter_short_name":"tow_angle","parameter_units":"decimal degrees","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"781570","supplied_name":"flow","supplied_units":"counts","value_format":null,"description":"\u003Cp\u003EFlow counts of the net\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":null,"parameter_nid":"834","parameter_description":"\u003Cp\u003Econsecutive flow counts, used in MOCNESS system\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"flow","parameter_external_identifier":null,"parameter_short_description":"flow","parameter_short_name":"flow","parameter_units":null,"parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"781571","supplied_name":"hzvel","supplied_units":"meters per second (m s-1)","value_format":null,"description":"\u003Cp\u003EHorizontal velocity\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":null,"parameter_nid":"860","parameter_description":"\u003Cp\u003EHorizontal velocity of a towed or autonomous platform (such as a\u00a0MOCNESS system or AUV) as it moves through the water.\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"hzvel","parameter_external_identifier":null,"parameter_short_description":"horizontal velocity towed","parameter_short_name":"hzvel","parameter_units":"varies (refer to dataset)","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"781572","supplied_name":"vtvel","supplied_units":"meters per second (m s-1)","value_format":null,"description":"\u003Cp\u003EVertical velocity\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1042","parameter_description":"\u003Cp\u003EVertical velocity of a towed or autonomous platform (such as a MOCNESS, BIOMAPER-II system, or AUV) as it moves through the water.\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"vtvel","parameter_external_identifier":null,"parameter_short_description":"vertical velocity towed","parameter_short_name":"vtvel","parameter_units":"varies (refer to dataset)","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"781573","supplied_name":"vol","supplied_units":"cubmic meters (m3)","value_format":null,"description":"\u003Cp\u003EVolume filtered in that net\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1040","parameter_description":"\u003Cp\u003Evolume of water filtered; in this form generally applies to the volume of water filtered during plankton tows; however; this parameter name is also used for a variety of non plankton sampling and the units can vary, e.g. US JGOFS EqPac Bishop MULVFS sampler vol_filt is reported in liters.\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"vol_filt","parameter_external_identifier":null,"parameter_short_description":"volume of water filtered","parameter_short_name":"vol_filt","parameter_units":"variable","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"781574","supplied_name":"net","supplied_units":"unitless","value_format":null,"description":"\u003Cp\u003ENet number\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"900","parameter_description":"\u003Cp\u003Enet number\/identification\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"net","parameter_external_identifier":null,"parameter_short_description":"net","parameter_short_name":"net","parameter_units":null,"parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"781580","supplied_name":"lat","supplied_units":"degrees North","value_format":null,"description":"\u003Cp\u003ELatitude\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":null,"parameter_nid":"730","parameter_description":"\u003Cp\u003Elatitude, in decimal degrees, North is positive, negative denotes South; Reported in some datasets as degrees, minutes\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"latitude","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P09\/current\/LATX\/","parameter_short_description":"latitude","parameter_short_name":"lat","parameter_units":"decimal degrees","parameter_units_external_identifier":null,"order":null,"types":[{"type":"Primary latitude variable","dataset_parameter_type_nid":"781587","type_rankable":"0","type_tid":"23"}]},{"dataset_parameter_nid":"781581","supplied_name":"lon","supplied_units":"degrees East","value_format":null,"description":"\u003Cp\u003ELongitude\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":null,"parameter_nid":"731","parameter_description":"\u003Cp\u003Elongitude, in decimal degrees, East is positive, negative denotes West; Reported in some datsets as degrees, minutes\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"longitude","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P09\/current\/LONX\/ ","parameter_short_description":"longitude","parameter_short_name":"lon","parameter_units":"decimal degrees","parameter_units_external_identifier":null,"order":null,"types":[{"type":"Primary longitude variable","dataset_parameter_type_nid":"781588","type_rankable":"0","type_tid":"24"}]},{"dataset_parameter_nid":"781582","supplied_name":"GPSTIME","supplied_units":"unitless","value_format":null,"description":"\u003Cp\u003EGPS time\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1075","parameter_description":"\u003Cp\u003ETime GMT defined as HHMM; time of day; generally reported in GMT as HHMM (hours and minutes) but may also be HH.H (decimal hours) or HHMMSS (hours; minutes and seconds); in EqPac time is reported as Hawaii local time\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"time","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/AHMSAA01\/","parameter_short_description":"time of day","parameter_short_name":"time","parameter_units":"HHMM or HHMMSS","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"781583","supplied_name":"CTDDEPTH","supplied_units":"meters (m)","value_format":null,"description":"\u003Cp\u003EDepth\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"808","parameter_description":"\u003Cp\u003EObservation\/sample depth below the sea surface. Units often reported as: meters, feet.\u003C\/p\u003E\n\u003Cp\u003E\nWhen used in a JGOFS\/GLOBEC dataset the depth is a best estimate; usually but not always calculated from pressure; calculated either from CTD pressure using Fofonoff and Millard (1982; UNESCO Tech Paper #44) algorithm adjusted for 1980 equation of state for seawater (EOS80) or simply equivalent to nominal depth as recorded during sampling if CTD pressure was unavailable.\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"depth","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P09\/current\/DEPH\/","parameter_short_description":"depth","parameter_short_name":"depth","parameter_units":"various","parameter_units_external_identifier":null,"order":null}]