[{"dataset_parameter_nid":"8526","supplied_name":"cruiseid","supplied_units":null,"value_format":null,"description":"\u003Cp\u003E cruise identification \u003C\/p\u003E\n","no_data_value":null,"conversion_necessary":"no","conversion_utility":null,"parameter_nid":"789","parameter_description":"\u003Cp\u003Ecruise identifier, e.g. en9402 R\/V Endeavor cruise 9402\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"cruiseid","parameter_external_identifier":null,"parameter_short_description":"cruise id","parameter_short_name":"cruiseid","parameter_units":null,"parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"8527","supplied_name":"year","supplied_units":null,"value_format":null,"description":"\u003Cp\u003E year, 4 digit \u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":null,"parameter_nid":"1062","parameter_description":"\u003Cp\u003Eyear, reported as YYYY, e.g. 1995\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"year","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/YEARXXXX\/","parameter_short_description":"year","parameter_short_name":"year","parameter_units":null,"parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"8528","supplied_name":"tow","supplied_units":null,"value_format":null,"description":"\u003Cp\u003E tow number within cruise \u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":null,"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,"types":[{"type":"point-4D","rank":"1","dataset_parameter_type_nid":"42381","type_rankable":"0","type_tid":"29"},{"type":"list variable","rank":"1","dataset_parameter_type_nid":"44408","type_rankable":"0","type_tid":"17"}]},{"dataset_parameter_nid":"8529","supplied_name":"yrday_gmt","supplied_units":null,"value_format":null,"description":"\u003Cp\u003E year day based on Julian calendar (Jan. 1, noon = 1.5) \u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":null,"parameter_nid":"1065","parameter_description":"\u003Cp\u003EGMT day and decimal time, as 326.5 for the 326th day of the year, or November 22 at 1200 hours (noon). In the case of drifter data, year day may be continuous over a multi year period.\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"yrday_gmt","parameter_external_identifier":null,"parameter_short_description":"day of year and decimal time (time zone GMT)","parameter_short_name":"yrday_gmt","parameter_units":null,"parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"8530","supplied_name":"lat","supplied_units":" DD.D ","value_format":null,"description":"\u003Cp\u003E latitude, negative = South \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},{"dataset_parameter_nid":"8531","supplied_name":"lon","supplied_units":" DDD.D ","value_format":null,"description":"\u003Cp\u003E longitude, negative = West \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},{"dataset_parameter_nid":"8532","supplied_name":"press","supplied_units":" decibars ","value_format":null,"description":"\u003Cp\u003E depth of sample reported as pressure \u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":null,"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,"types":[{"type":"Primary depth variable","rank":"1","dataset_parameter_type_nid":"37496","type_rankable":"0","type_tid":"22"}]},{"dataset_parameter_nid":"8533","supplied_name":"temp","supplied_units":" deg. C ","value_format":null,"description":"\u003Cp\u003E water temperature, ITS90 \u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":null,"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":"8534","supplied_name":"sal","supplied_units":null,"value_format":null,"description":"\u003Cp\u003E salinity, PSS-78, PSU \u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":null,"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":"8535","supplied_name":"sigma_t","supplied_units":" kg\/m\u0026lt;sup\u0026gt;3\u0026lt;\/sup\u0026gt; ","value_format":null,"description":"\u003Cp\u003E sigma_t               \u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":null,"parameter_nid":"734","parameter_description":"\u003Cp\u003ESigma-t density, often reported in kg\/m^3 - 1000. \u0027Sigma-t\u0027 is density minus 1000 (without the effect of pressure). It is normally calculated from observations of temperature and salinity. (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-t","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/SIGTEQST\/","parameter_short_description":"sigma-t","parameter_short_name":"sigma_t","parameter_units":"various","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"8536","supplied_name":"o2","supplied_units":" ml\/l ","value_format":null,"description":"\u003Cp\u003E dissolved oxygen      \u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":null,"parameter_nid":"910","parameter_description":"\u003Cp\u003Edissolved oxygen concentration\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"dissolved Oxygen","parameter_external_identifier":null,"parameter_short_description":"dissolved Oxygen","parameter_short_name":"O2","parameter_units":"various","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"8537","supplied_name":"chl_a","supplied_units":" \u0026lt;i\u0026gt;u\u0026lt;\/i\u0026gt;g\/l ","value_format":null,"description":"\u003Cp\u003E chlorophyll as derived from a CTD mounted fluorometer \u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":null,"parameter_nid":"766","parameter_description":"\u003Cp\u003ETotal chlorophyll a pigment. See dataset for units of measurement; often reported in:\u00a0milligrams per cubic meter (mg\/m3); micrograms\/liter (ug\/L); nanograms\/liter\u00a0(ng\/L).\u003C\/p\u003E\n\u003Cp\u003ECAUTION Within JGOFS MERGED water column products: this parameter is derived from HPLC methodology and the units are nanograms\/liter; however; this parameter name is also used for a variety of water and nonwater column sampling; derived via the fluorometric method; units will also vary.\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"chlorophyll a","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/CPHLHPP1\/","parameter_short_description":"chlorophyll a","parameter_short_name":"chl_a","parameter_units":"various","parameter_units_external_identifier":null,"order":null}]