[{"dataset_parameter_nid":"682310","supplied_name":"year","supplied_units":"year","value_format":null,"description":"\u003Cp\u003Eyear of measurement\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","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":"682311","supplied_name":"expt","supplied_units":"unitless","value_format":null,"description":"\u003Cp\u003Eexperiment identifier\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1759","parameter_description":"\u003Cp\u003EExperiment Id\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"exp_id","parameter_external_identifier":null,"parameter_short_description":"experiment id","parameter_short_name":"exp_id","parameter_units":"text","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"682312","supplied_name":"treatment","supplied_units":"unitless","value_format":null,"description":"\u003Cp\u003Eexperimental treatments:\u003Cbr \/\u003E\nFor 2014:\u003Cbr \/\u003E\ncontrol acidified water;\u003Cbr \/\u003E\ndust= dust leachate from Whatman41 filters used to collect dust aerosols from Barbados (added to provide +1 nM Fe);\u00a0FeCl = FeCl3 (added to provide +1 nM Fe)\u003C\/p\u003E\n\u003Cp\u003EFor 2015:\u00a0\u003Cbr \/\u003E\ncontrol acidified water;\u003Cbr \/\u003E\n2nMFe: 2 nM Fe provided by FeCl3\u003Cbr \/\u003E\n20nMFe: 20 nM Fe provided by FeCl3\u003Cbr \/\u003E\ncontrol_leachate: control leachate (leached from Whatman41 blank filter);\u003Cbr \/\u003E\ndust_barbados: dust leachate from Whatman41 filters used to collect dust aerosols from Barbados (added to provide +2 nM Fe);\u003Cbr \/\u003E\nFe: FeCl3 (added to provide +1 nM Fe);\u003Cbr \/\u003E\nNO3: HNO3 added to provide +0.2 uM N;\u003Cbr \/\u003E\nPO4: K2HPO4 added to provide +0.01 uM P;\u003Cbr \/\u003E\nC: Pyruvate added to provide +10 uM C;\u003Cbr \/\u003E\nFeCNP: mix of FeCl3 (+2 nM Fe), pyruvate (+10 uM C), HNO3 (+0.2 uM), and K2HPO4 (+0.01 uM)\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":null,"parameter_nid":"489066","parameter_description":"\u003Cp\u003EExperimental conditions applied to experimental units.\u00a0 In comparative experiments, members of the complementary group, the control group, receive either no treatment or a standard treatment.\u003C\/p\u003E\n","parameter_max_value":"","parameter_min_value":"","parameter_nd_value":"nd","parameter_official_name":"treatment","parameter_external_identifier":"","parameter_short_description":"treatment","parameter_short_name":"treatment","parameter_units":"unitless","parameter_units_external_identifier":"","order":null},{"dataset_parameter_nid":"682313","supplied_name":"light_dark","supplied_units":"unitless","value_format":null,"description":"\u003Cp\u003Ewhether experiment took place in the light or dark\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"489066","parameter_description":"\u003Cp\u003EExperimental conditions applied to experimental units.\u00a0 In comparative experiments, members of the complementary group, the control group, receive either no treatment or a standard treatment.\u003C\/p\u003E\n","parameter_max_value":"","parameter_min_value":"","parameter_nd_value":"nd","parameter_official_name":"treatment","parameter_external_identifier":"","parameter_short_description":"treatment","parameter_short_name":"treatment","parameter_units":"unitless","parameter_units_external_identifier":"","order":null},{"dataset_parameter_nid":"682314","supplied_name":"vessel","supplied_units":"unitless","value_format":null,"description":"\u003Cp\u003Esample vessel identifier\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","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},{"dataset_parameter_nid":"682315","supplied_name":"replicate","supplied_units":"unitless","value_format":null,"description":"\u003Cp\u003Ereplicate identifier\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"953","parameter_description":"\u003Cp\u003Ean identifier used to distinguish between one or more replicate samples\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"replicate","parameter_external_identifier":null,"parameter_short_description":"replicate","parameter_short_name":"replicate","parameter_units":null,"parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"682316","supplied_name":"time_elapsed_hr","supplied_units":"hours","value_format":null,"description":"\u003Cp\u003Etime since start of experiment\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1838","parameter_description":"\u003Cp\u003EElapsed time. Units can be seconds, minutes, etc.\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"time_elapsed","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/ELTMZZZZ\/","parameter_short_description":"time_elapsed","parameter_short_name":"time_elapsed","parameter_units":"variable (see individual datasets)","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"682317","supplied_name":"sample","supplied_units":"unitless","value_format":null,"description":"\u003Cp\u003Esample identifier: \u0026#039;year_treatment_light or dark_vessel number_replicate_time\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","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},{"dataset_parameter_nid":"682318","supplied_name":"Vibrio","supplied_units":"colony forming units\/milliliter (CFU\/ml)","value_format":null,"description":"\u003Cp\u003EVibrio concentration: determined by spread plating on TCBS agar and countng ager 18-24 incubation at 30 C. Limit of detection was 3.3 CFU\/ml (determined using 100 ul spread volume in triplicate). The data uses a value of 0.0 for below detection limit.\u003C\/p\u003E\n","no_data_value":"nd","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},{"dataset_parameter_nid":"682319","supplied_name":"Chl_a","supplied_units":"microgram\/liter (ug\/L)","value_format":null,"description":"\u003Cp\u003EChlorophyll-a concentration: determined by acetone freeze thaw using EPA method 445.0 (non-acidificaton). Data went through internal lab QAQC process. BDL= below detection limit.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","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},{"dataset_parameter_nid":"682320","supplied_name":"DOC","supplied_units":"micromol\/liter C (umol\/L)","value_format":null,"description":"\u003Cp\u003EDissolved organic carbon concentration: determined using oxidatve high temperature combuston-infrared analysis. MDL is 11.16 micro mol\/L.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1188","parameter_description":"\u003Cp\u003Edissolved organic Carbon\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"DOC","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/CORGZZZX\/","parameter_short_description":"dissolved organic Carbon","parameter_short_name":"DOC","parameter_units":"various","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"682321","supplied_name":"DON","supplied_units":"micromol\/liter N (umol\/L)","value_format":null,"description":"\u003Cp\u003EDissolved organic nitrogen concentration: determined the same as DOC samples but the sample is converted to nitrogen monoxide and measured by a chemoluminescence gas analyzer. The analyte sampled is TDN and the inorganic values are subtracted to get DON. MDL is 5.38 micro mol\/L.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1745","parameter_description":"\u003Cp\u003EDissolved Organic Nitrogen is the concentration of total organic dissolved nitrogen per unit volume of the water column\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"Dissolved Organic Nitrogen","parameter_external_identifier":null,"parameter_short_description":"Dissolved Organic Nitrogen","parameter_short_name":"DON","parameter_units":null,"parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"682322","supplied_name":"NH4","supplied_units":"micromol\/liter N (umol\/L)","value_format":null,"description":"\u003Cp\u003EAmmonium concentration: determined by the automated phenate method 4500-NH3G. 20th Edition Std. Meth. MDL is 0.3 micro gram\/L.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"901","parameter_description":"\u003Cp\u003EAmmonium and ammonia concentration parameters in any body of fresh or salt water.\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"Ammonium","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/AMONAAZX\/","parameter_short_description":"Ammonium","parameter_short_name":"NH4","parameter_units":null,"parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"682323","supplied_name":"NO3","supplied_units":"micromol\/liter N (umol\/L)","value_format":null,"description":"\u003Cp\u003ENitrate concentration: determined by the automated cadmium reducton method 4500-NO3- F. 20th Edition Std. Method. MDL is 0.3 micro gram\/L.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1194","parameter_description":"\u003Cp\u003ENitrate concentration in the water column\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"NO3","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/NTRAIGGS\/","parameter_short_description":"Nitrate","parameter_short_name":"NO3","parameter_units":"various","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"682324","supplied_name":"NO2","supplied_units":"micromol\/liter N (umol\/L)","value_format":null,"description":"\u003Cp\u003ENitrite concentration: determined as with Nitrate without running the sample through a cadmium column. 20th Edition Std. Meth. MDL is 0.1 micro gram\/L.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1192","parameter_description":"\u003Cp\u003ENitrite\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"NO2","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/NTRIAAZX\/","parameter_short_description":"Nitrite","parameter_short_name":"NO2","parameter_units":"various","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"682325","supplied_name":"Orthophosphate","supplied_units":"micromol\/liter P (umol\/L)","value_format":null,"description":"\u003Cp\u003EOrthophosphate concentration: determined by the automated ascorbic acid reducton method 4500-P F. 20th Edition Std. Meth. MDL is 0.2 micro gram\/ L.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"937","parameter_description":"\u003Cp\u003EOrthophosphate\u00a0(phosphate, reactive phosphorus), Various units.\u00a0\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"PO4","parameter_external_identifier":null,"parameter_short_description":"reactive phosphorus (PO4)","parameter_short_name":"PO4","parameter_units":"various","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"682326","supplied_name":"SiO4","supplied_units":"micromol\/liter Si (umol\/L)","value_format":null,"description":"\u003Cp\u003ESilicate concentration: determined by the automated molybdate-reactve silica method 4500-SiO2 E. 20th Edition Std. Meth. MDL is 0.3 micro gram\/L.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1209","parameter_description":"\u003Cp\u003ESilicate; reactive silica.\u00a0 Also referred to as dissolved silicate, dissolved silica.\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"SiO4","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/SLCAAAZX\/","parameter_short_description":"Silicate (reactive silica)","parameter_short_name":"SiO4","parameter_units":"micromoles\/liter","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"682327","supplied_name":"dFe","supplied_units":"nanoMolar (nM)","value_format":null,"description":"\u003Cp\u003Edissolved iron concentration: determined in the 0.2 um filtered fracton using ICP-MSas described in Milne et al. 2010. Analytca Chimera Acta 665: 200-207\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1981","parameter_description":"\u003Cp\u003EIron (Fe). Concentrations may be reported in parts per million, nanomoles per liter, or other units. Refer to dataset metadata for units.\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"Fe","parameter_external_identifier":null,"parameter_short_description":"Iron","parameter_short_name":"Fe","parameter_units":"various units","parameter_units_external_identifier":null,"order":null}]