[{"dataset_parameter_nid":"33232","supplied_name":"cruise_id","supplied_units":"dimensionless","value_format":null,"description":"\u003Cp\u003EOfficial cruise identifier e.g. AE1102 = R\/V Atlantic  Explorer cruise number 1102.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":null,"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 identifier","parameter_short_name":"cruise_id","parameter_units":"dimensionless","parameter_units_external_identifier":null,"order":null,"types":[{"type":"do not display as options","rank":"1","dataset_parameter_type_nid":"43903","type_rankable":"0","type_tid":"18"}]},{"dataset_parameter_nid":"33233","supplied_name":"date_gmt","supplied_units":"unitless","value_format":null,"description":"\u003Cp\u003EDate of sample collection (GMT) in\u00a0mmddYYYY format.\u003C\/p\u003E\n","no_data_value":null,"conversion_necessary":"no","conversion_utility":null,"parameter_nid":"797","parameter_description":"\u003Cp\u003Egmt month, day and year, usually as a text string, e.g. feb10_1995. It is better to use one of the other forms of presenting date and time data so that the data can be used in computations and for comparisons. Note, if the string begins with numbers but also includes letters, there may be problems using the field name for retrieval.\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"date_gmt","parameter_external_identifier":null,"parameter_short_description":"date_gmt","parameter_short_name":"date_gmt","parameter_units":null,"parameter_units_external_identifier":null,"order":null,"types":[{"type":"do not display as options","dataset_parameter_type_nid":"43904","type_rankable":"0","type_tid":"18"}]},{"dataset_parameter_nid":"33234","supplied_name":"cast","supplied_units":"dimensionless","value_format":null,"description":"\u003Cp\u003ECTD cast number.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":null,"parameter_nid":"761","parameter_description":"\u003Cp\u003Ecast or profile number\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"cast","parameter_external_identifier":null,"parameter_short_description":"cast","parameter_short_name":"cast","parameter_units":"dimensionless","parameter_units_external_identifier":null,"order":null,"types":[{"type":"profile discrete","rank":"1","dataset_parameter_type_nid":"43902","type_rankable":"1","type_tid":"27"},{"type":"do not display as options","rank":"1","dataset_parameter_type_nid":"43906","type_rankable":"0","type_tid":"18"}]},{"dataset_parameter_nid":"33235","supplied_name":"time_gmt","supplied_units":"HHMM","value_format":null,"description":"\u003Cp\u003ETime of sample collection (GMT); 24-hour clock.\u003C\/p\u003E\n","no_data_value":null,"conversion_necessary":"no","conversion_utility":null,"parameter_nid":"1005","parameter_description":"\u003Cp\u003Etime of day, reported in GMT time, 24 hour clock\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"time_gmt","parameter_external_identifier":null,"parameter_short_description":"time_gmt","parameter_short_name":"time_gmt","parameter_units":null,"parameter_units_external_identifier":null,"order":null,"types":[{"type":"do not display as options","rank":"1","dataset_parameter_type_nid":"43905","type_rankable":"0","type_tid":"18"}]},{"dataset_parameter_nid":"33236","supplied_name":"lat","supplied_units":"decimal degrees","value_format":null,"description":"\u003Cp\u003ELatitude. Positive values = North.\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":"do not display as options","rank":"1","dataset_parameter_type_nid":"43909","type_rankable":"0","type_tid":"18"}]},{"dataset_parameter_nid":"33237","supplied_name":"lon","supplied_units":"decimal degrees","value_format":null,"description":"\u003Cp\u003ELongitude. Positive values = East.\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":"do not display as options","rank":"1","dataset_parameter_type_nid":"43910","type_rankable":"0","type_tid":"18"}]},{"dataset_parameter_nid":"33238","supplied_name":"ISO_DateTime_UTC","supplied_units":"unitless","value_format":null,"description":"\u003Cp\u003EDate\/Time (UTC) formatted to ISO 8601 standard in\u00a0YYYY-mm-ddTHH:MM:SS.ssZ format.\u00a0T indicates start of time string; Z indicates UTC.\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":"do not display as options","dataset_parameter_type_nid":"43907","type_rankable":"0","type_tid":"18"}]},{"dataset_parameter_nid":"33239","supplied_name":"depth","supplied_units":"meters","value_format":null,"description":"\u003Cp\u003ESample depth.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":null,"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,"types":[{"type":"Primary depth variable","rank":"1","dataset_parameter_type_nid":"43901","type_rankable":"0","type_tid":"22"}]},{"dataset_parameter_nid":"33240","supplied_name":"sample","supplied_units":"dimensionless","value_format":null,"description":"\u003Cp\u003ESample identification number.\u003C\/p\u003E\n","no_data_value":null,"conversion_necessary":"no","conversion_utility":null,"parameter_nid":"960","parameter_description":"\u003Cp\u003Eunique sample identification or number; any combination of alpha numeric characters; precise definition is file dependent\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"sample","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P02\/current\/ACYC\/","parameter_short_description":"sample identification","parameter_short_name":"sample","parameter_units":"dimensionless","parameter_units_external_identifier":null,"order":null,"types":[{"type":"do not display as options","rank":"1","dataset_parameter_type_nid":"43908","type_rankable":"0","type_tid":"18"}]},{"dataset_parameter_nid":"33241","supplied_name":"size_fraction","supplied_units":"micrometers","value_format":null,"description":"\u003Cp\u003ESize fraction; whole = whole water (not pre-screened).\u003C\/p\u003E\n","no_data_value":null,"conversion_necessary":"no","conversion_utility":null,"parameter_nid":"1073","parameter_description":"\u003Cp\u003EAn association with a community-wide standard parameter has not yet been made.\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"no_bcodmo_term","parameter_external_identifier":null,"parameter_short_description":"No BCO-DMO term","parameter_short_name":"no_bcodmo_term","parameter_units":null,"parameter_units_external_identifier":null,"order":null,"types":[{"type":"do not display as options","rank":"1","dataset_parameter_type_nid":"43921","type_rankable":"0","type_tid":"18"}]},{"dataset_parameter_nid":"33242","supplied_name":"chl_c3","supplied_units":"micrograms per liter","value_format":null,"description":"\u003Cp\u003EConcentration of Chlorophyll c3.\u003C\/p\u003E\n","no_data_value":null,"conversion_necessary":"no","conversion_utility":null,"parameter_nid":"774","parameter_description":"\u003Cp\u003Echlorophyll c3 pigment, in milligrams per meter cubed (mg\/m\u00b3) or micrograms per liter (\u00b0g\/l), or for US JGOFS units are nanograms\/liter\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"chl_c3","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/CLC3HPP1\/","parameter_short_description":"chlorophyll c3","parameter_short_name":"chl_c3","parameter_units":"various (see dataset)","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"33243","supplied_name":"chl_c2","supplied_units":"micrograms per liter","value_format":null,"description":"\u003Cp\u003EConcentration of Chlorophyll c2.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":null,"parameter_nid":"1698","parameter_description":"\u003Cp\u003EHPLC chlorophyll c2\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"chl_c2","parameter_external_identifier":null,"parameter_short_description":"chlorophyll c2","parameter_short_name":"chl_c2","parameter_units":"milligrams\/meter3","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"33244","supplied_name":"peridinin","supplied_units":"micrograms per liter","value_format":null,"description":"\u003Cp\u003EConcentration of Peridinin.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"yes","conversion_utility":null,"parameter_nid":"1390","parameter_description":"\u003Cp\u003Eperidinin\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"peridinin","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/PERIHPP1\/","parameter_short_description":"peridinin","parameter_short_name":"peridinin","parameter_units":"various (see dataset)","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"33245","supplied_name":"fucox_but_19","supplied_units":"micrograms per liter","value_format":null,"description":"\u003Cp\u003EConcentration of 19\u0027-Butanoyloxyfucoxanthin.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"yes","conversion_utility":null,"parameter_nid":"1384","parameter_description":"\u003Cp\u003E19-prime-butanoyloxyfucoxanthin\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"fucox_but","parameter_external_identifier":null,"parameter_short_description":"19-prime-butanoyloxyfucoxanthin","parameter_short_name":"fucox_but","parameter_units":"various (see dataset)","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"33246","supplied_name":"fucox","supplied_units":"micrograms per liter","value_format":null,"description":"\u003Cp\u003EConcentration of Fucoxanthin.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"yes","conversion_utility":null,"parameter_nid":"1380","parameter_description":"\u003Cp\u003Efucoxanthin\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"fucox","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/FUCXHPP1\/","parameter_short_description":"fucoxanthin","parameter_short_name":"fucox","parameter_units":"various (see dataset)","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"33247","supplied_name":"fucox_hex_19","supplied_units":"micrograms per liter","value_format":null,"description":"\u003Cp\u003EConcentration of 19\u0027-Hexanoyloxyfucoxanthin.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"yes","conversion_utility":null,"parameter_nid":"1385","parameter_description":"\u003Cp\u003E19-prime-hexanoyloxyfucoxanthin\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"fucox_hex","parameter_external_identifier":null,"parameter_short_description":"19-prime-hexanoyloxyfucoxanthin","parameter_short_name":"fucox_hex","parameter_units":"various (see dataset)","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"33248","supplied_name":"neox","supplied_units":"micrograms per liter","value_format":null,"description":"\u003Cp\u003EConcentration of Neoxanthin.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"yes","conversion_utility":null,"parameter_nid":"1389","parameter_description":"\u003Cp\u003Eneoxanthin\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"neox","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/NEOXHPP1\/","parameter_short_description":"neoxanthin","parameter_short_name":"neox","parameter_units":"various (see dataset)","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"33249","supplied_name":"prasinox","supplied_units":"micrograms per liter","value_format":null,"description":"\u003Cp\u003EConcentration of Prasinoxanthin.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"yes","conversion_utility":null,"parameter_nid":"1407","parameter_description":"\u003Cp\u003Eprasinoxanthin\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"prasinox","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/PRSXHPP1\/","parameter_short_description":"prasinoxanthin","parameter_short_name":"prasinox","parameter_units":"various (see dataset)","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"33250","supplied_name":"violax","supplied_units":"micrograms per liter","value_format":null,"description":"\u003Cp\u003EConcentration of Violaxanthin.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"yes","conversion_utility":null,"parameter_nid":"1408","parameter_description":"\u003Cp\u003Eviolaxanthin\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"violax","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/VILXHPP1\/","parameter_short_description":"violaxanthin","parameter_short_name":"violax","parameter_units":"various (see dataset)","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"33251","supplied_name":"diadinox","supplied_units":"micrograms per liter","value_format":null,"description":"\u003Cp\u003EConcentration of Diadinoxanthin.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"yes","conversion_utility":null,"parameter_nid":"1378","parameter_description":"\u003Cp\u003Ediadinoxanthin\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"diadinox","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/DIADHPP1\/","parameter_short_description":"diadinoxanthin","parameter_short_name":"diadinox","parameter_units":"various (see dataset)","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"33252","supplied_name":"allox","supplied_units":"micrograms per liter","value_format":null,"description":"\u003Cp\u003EConcentration of Alloxanthin.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"yes","conversion_utility":null,"parameter_nid":"1353","parameter_description":"\u003Cp\u003Ealloxanthin\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"allox","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/ALLOHPP1\/","parameter_short_description":"alloxanthin","parameter_short_name":"allox","parameter_units":"various (see dataset)","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"33253","supplied_name":"diatox","supplied_units":"micrograms per liter","value_format":null,"description":"\u003Cp\u003EConcentration of Diatoxanthin.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"yes","conversion_utility":null,"parameter_nid":"1379","parameter_description":"\u003Cp\u003Ediatoxanthin\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"diatox","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/DIATHPP1\/","parameter_short_description":"diatoxanthin","parameter_short_name":"diatox","parameter_units":"various (see dataset)","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"33254","supplied_name":"lutein","supplied_units":"micrograms per liter","value_format":null,"description":"\u003Cp\u003EConcentration of Lutein.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":null,"parameter_nid":"1388","parameter_description":"\u003Cp\u003Elutein\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"lutein","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/LUTNHPP1\/","parameter_short_description":"lutein","parameter_short_name":"lutein","parameter_units":"various (see dataset)","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"33255","supplied_name":"zeax","supplied_units":"micrograms per liter","value_format":null,"description":"\u003Cp\u003EConcentration of Zeaxanthin.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"yes","conversion_utility":null,"parameter_nid":"1409","parameter_description":"\u003Cp\u003Ezeaxanthin\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"zeax","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/ZEOXHPP1\/","parameter_short_description":"zeaxanthin","parameter_short_name":"zeax","parameter_units":"various (see dataset)","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"33256","supplied_name":"b_carotene","supplied_units":"micrograms per liter","value_format":null,"description":"\u003Cp\u003EConcentration of Beta-Carotene.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"yes","conversion_utility":null,"parameter_nid":"1356","parameter_description":"\u003Cp\u003Ebeta carotene\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"carotene_b","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/BCARHPP1\/","parameter_short_description":"carotene-beta","parameter_short_name":"carotene_b","parameter_units":"nanograms\/liter","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"33257","supplied_name":"chl_b","supplied_units":"micrograms per liter","value_format":null,"description":"\u003Cp\u003EConcentration of Chlorophyll b.\u003C\/p\u003E\n","no_data_value":null,"conversion_necessary":"no","conversion_utility":null,"parameter_nid":"771","parameter_description":"\u003Cp\u003Echlorophyll b pigment, in milligrams per meter cubed (mg\/m\u00b3) or micrograms per liter (\u00b0g\/l), or for US JGOFS units are nanograms\/liter\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"chl_b","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/CHLBHPP1\/","parameter_short_description":"chlorophyll b","parameter_short_name":"chl_b","parameter_units":"milligrams\/m^3; micrograms\/liter; nanograms\/liter","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"33258","supplied_name":"chl_a","supplied_units":"micrograms per liter","value_format":null,"description":"\u003Cp\u003EConcentration of Chlorophyll a.\u003C\/p\u003E\n","no_data_value":null,"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}]