BCO-DMO ERDDAP
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Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL access_formats String .htmlTable,.csv,.json,.mat,.nc,.tsv,.esriCsv,.geoJson,.odvTxt
attribute NC_GLOBAL acquisition_description String DIC and TA\n \nMeasure of DIC using NDIR method and of TA using Gran titration. DIC and TA\nwere measured using the instruments from Apollo Scitech Inc. Briefly, for DIC\nanalysis, samples were analyzed at room temperatures. Each seawater sample\n(0.5 mL) was acidified using phosphoric acid and the evolved CO2 gas was\nextracted and carried by pure N2 gas to an infrared CO2 detector (Li-Cor 6262)\nfor quantification. TS was determined on 25 mL seawater sample by\npotentiometric titration, using 0.1 M hydrochloric acid and an open-cell\ntitration system. All TA samples were analyzed in pre-thermostated (25\n\\u00b0C) glass cells. For each DIC or TA sample, sub-samples were sequentially\nanalyzed 2 or 3 times until we obtained two replicates with a precision within\n0.1%. The average of the two values is reported. The precision of both the TA\nand DIC measurements was +/- 2 umol/kg. The accuracies of the TA and DIC\nmeasurements were determined by routine analysis of certified reference\nmaterial (CRM) provided by A. G. Dickson, Scripps Institution of Oceanography.\n \nDO_spec\n \nWinkler titration was used for DO analysis. Samples were drawn from Niskin\nbottles directly into 60 ml BOD bottles and pickled using manganese chloride\nand sodium iodide/sodium hydroxide. Iodine liberated by acidifying pickled\nsample was then measured spectrophotometrically using Genesis 30 (Thomas\nScientific) spectrophotometer at 466 nm. Blank absorbance from sample\nturbidity was obtained by adding a few drops of sodium thiosulfate to the\nsample solution and subtracted from sample absorbance. Calibration was\nperformed by spiking known amounts of potassium iodate. Error on DO was from\nthe uncertainty of measuring absorbance (0.001), which is equivalent of 0.7\nuM. Samples which had blank absorbance exceeding 5% of sample absorbance were\nflagged.\n \npH_elec\n \npH samples were drawn in 60 ml glass bottles and temperature equilibrated at\n25 oC. An Orion Combination electrode connected to a pH meter (Orion Star\nA211) was used to measure the potential (EMF, mV) generated by the H+ ions.\nEMF was calibrated using three NBS buffer solutions at pH 4.01, 7.0, and 10.01\npurchased from Fisher Scientific. Probe was kept immersed in the sample until\nthe EMF stabilized. Two EMF readings at a difference of 1 minute were obtained\nfor each sample and average value used with calibration to calculate the pH.\nPrecision on pH is estimated from the standard deviation of the mean of two\nEMF readings. Samples where such deviation exceeded 0.16% of the mean EMF are\nflagged.\n \npH_spec\n \nDiscrete sample pH_spec was measured spectrophotometrically at 25 degrees\nCelsius on the total pH scale using purified M-Cresol Purple purchased from R.\nByrne at the University of South Florida [Clayton and Byrne, 1993; Liu et al.,\n2011]. The spectrophotometric pH (25 oC, total scale) was calculated from the\nratio of the measured absorbances of mCP at wavelengths l2 = 578 nm and l1 =\n434 nm following the dissociation constants proposed by Liu et al 2011].\n \nSampling and analytical procedures:\n \nMeasure of DIC using NDIR method and of TA using Gran titration. DIC and TA\nwere measured using the instruments from Apollo Scitech Inc. Briefly, for DIC\nanalysis, samples were analyzed at room temperatures. Each seawater sample\n(0.5 mL) was acidified using phosphoric acid and the evolved CO2 gas was\nextracted and carried by pure N2 gas to an infrared CO2 detector (Li-Cor 6262)\nfor quantification. TS was determined on 25 mL seawater sample by\npotentiometric titration, using 0.1 M hydrochloric acid and an open-cell\ntitration system. All TA samples were analyzed in pre-thermostated (25\n\\u00b0C) glass cells. For each DIC or TA sample, sub-samples were sequentially\nanalyzed 2 or 3 times until we obtained two replicates with a precision within\n0.1%. The average of the two values is reported. The precision of both the TA\nand DIC measurements was +/- 2 umol/kg. The accuracies of the TA and DIC\nmeasurements were determined by routine analysis of certified reference\nmaterial (CRM) provided by A. G. Dickson, Scripps Institution of Oceanography.\n \nWinkler titration was used for DO analysis. Samples were drawn from Niskin\nbottles directly into 60 ml BOD bottles and pickled using manganese chloride\nand sodium iodide/sodium hydroxide. Iodine liberated by acidifying pickled\nsample was then measured spectrophotometrically using Genesis 30 (Thomas\nScientific) spectrophotometer at 466 nm. Blank absorbance from sample\nturbidity was obtained by adding a few drops of sodium thiosulfate to the\nsample solution and subtracted from sample absorbance. Calibration was\nperformed by spiking known amounts of potassium iodate. Error on DO was from\nthe uncertainty of measuring absorbance (0.001), which is equivalent of 0.7\nuM. Samples which had blank absorbance exceeding 5% of sample absorbance were\nflagged.\n \npH samples were drawn in 60 ml glass bottles and temperature equilibrated at\n25 oC. An Orion Combination electrode connected to a pH meter (Orion Star\nA211) was used to measure the potential (EMF, mV) generated by the H+ ions.\nEMF was calibrated using three NBS buffer solutions at pH 4.01, 7.0, and 10.01\npurchased from Fisher Scientific. Probe was kept immersed in the sample until\nthe EMF stabilized. Two EMF readings at a difference of 1 minute were obtained\nfor each sample and average value used with calibration to calculate the pH.\nPrecision on pH is estimated from the standard deviation of the mean of two\nEMF readings. Samples where such deviation exceeded 0.16% of the mean EMF are\nflagged. Discrete sample pH_spec was measured spectrophotometrically at 25\ndegrees Celsius on the total pH scale using purified M-Cresol Purple purchased\nfrom R. Byrne at the University of South Florida (Clayton and Byrne, 1993; Liu\net al., 2011).\n \nInstruments:\n \n  1. 24-bottle rosette equipped with a SeaBird CTD 911.\n \n  2. DIC and TA were measured using the instruments from Apollo Scitech Inc.\n \n  3. Certified reference material (CRM) provided by A. G. Dickson, Scripps Institution of Oceanography was used to check the accuracies of the TA and DIC measurements.\n \n  4. Winkler titration was used for DO_spec analysis. DO_spec samples were measured spectrophotometrically using Genesis 30 (Thomas Scientific) spectrophotometer at 466 nm.\n \n  5. M-Cresol Purple purchased from R. Byrne at the University of South Florida was used for pH_spec measurement.\n \n\\u00a0
attribute NC_GLOBAL awards_0_award_nid String 751331
attribute NC_GLOBAL awards_0_award_number String OCE-1559279
attribute NC_GLOBAL awards_0_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1559279 (external link)
attribute NC_GLOBAL awards_0_funder_name String NSF Division of Ocean Sciences
attribute NC_GLOBAL awards_0_funding_acronym String NSF OCE
attribute NC_GLOBAL awards_0_funding_source_nid String 355
attribute NC_GLOBAL awards_0_program_manager String Henrietta N Edmonds
attribute NC_GLOBAL awards_0_program_manager_nid String 51517
attribute NC_GLOBAL cdm_data_type String Other
attribute NC_GLOBAL comment String Discrete samples concat \n  PI: Wei-Jun Cai  \n  Data Version 2: 2019-12-20
attribute NC_GLOBAL Conventions String COARDS, CF-1.6, ACDD-1.3
attribute NC_GLOBAL creator_email String info at bco-dmo.org
attribute NC_GLOBAL creator_name String BCO-DMO
attribute NC_GLOBAL creator_type String institution
attribute NC_GLOBAL creator_url String https://www.bco-dmo.org/ (external link)
attribute NC_GLOBAL data_source String extract_data_as_tsv version 2.3  19 Dec 2019
attribute NC_GLOBAL date_created String 2019-07-03T14:36:44Z
attribute NC_GLOBAL date_modified String 2020-02-05T18:16:41Z
attribute NC_GLOBAL defaultDataQuery String &time<now
attribute NC_GLOBAL doi String 10.1575/1912/bco-dmo.772513.2
attribute NC_GLOBAL Easternmost_Easting double -88.5901
attribute NC_GLOBAL geospatial_lat_max double 29.6415
attribute NC_GLOBAL geospatial_lat_min double 27.4999
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -88.5901
attribute NC_GLOBAL geospatial_lon_min double -93.4167
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL geospatial_vertical_max double 1265.0
attribute NC_GLOBAL geospatial_vertical_min double 5.0
attribute NC_GLOBAL geospatial_vertical_positive String down
attribute NC_GLOBAL geospatial_vertical_units String m
attribute NC_GLOBAL infoUrl String https://www.bco-dmo.org/dataset/772513 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL instruments_0_acronym String Niskin bottle
attribute NC_GLOBAL instruments_0_dataset_instrument_description String 24-bottle rosette
attribute NC_GLOBAL instruments_0_dataset_instrument_nid String 772711
attribute NC_GLOBAL instruments_0_description String A Niskin bottle (a next generation water sampler based on the Nansen bottle) is a cylindrical, non-metallic water collection device with stoppers at both ends.  The bottles can be attached individually on a hydrowire or deployed in 12, 24 or 36 bottle Rosette systems mounted on a frame and combined with a CTD.  Niskin bottles are used to collect discrete water samples for a range of measurements including pigments, nutrients, plankton, etc.
attribute NC_GLOBAL instruments_0_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L22/current/TOOL0412/ (external link)
attribute NC_GLOBAL instruments_0_instrument_name String Niskin bottle
attribute NC_GLOBAL instruments_0_instrument_nid String 413
attribute NC_GLOBAL instruments_1_acronym String CTD SBE 911
attribute NC_GLOBAL instruments_1_dataset_instrument_description String 24-bottle rosette equipped with a SeaBird CTD 911
attribute NC_GLOBAL instruments_1_dataset_instrument_nid String 772708
attribute NC_GLOBAL instruments_1_description String The Sea-Bird SBE 911 is a type of CTD instrument package.  The SBE 911 includes the SBE 9 Underwater Unit and the SBE 11 Deck Unit (for real-time readout using conductive wire) for deployment from a vessel. The combination of the SBE 9 and SBE 11 is called a SBE 911.  The SBE 9 uses Sea-Bird's standard modular temperature and conductivity sensors (SBE 3 and SBE 4). The SBE 9 CTD can be configured with auxiliary sensors to measure other parameters including dissolved oxygen, pH, turbidity, fluorescence, light (PAR), light transmission, etc.). More information from Sea-Bird Electronics.
attribute NC_GLOBAL instruments_1_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L22/current/TOOL0035/ (external link)
attribute NC_GLOBAL instruments_1_instrument_name String CTD Sea-Bird 911
attribute NC_GLOBAL instruments_1_instrument_nid String 422
attribute NC_GLOBAL instruments_2_acronym String Winkler Titrator
attribute NC_GLOBAL instruments_2_dataset_instrument_description String Used for DO_spec analysis
attribute NC_GLOBAL instruments_2_dataset_instrument_nid String 772709
attribute NC_GLOBAL instruments_2_description String A Winkler Oxygen Titration system is used for determining concentration of dissolved oxygen in seawater.
attribute NC_GLOBAL instruments_2_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L05/current/LAB12/ (external link)
attribute NC_GLOBAL instruments_2_instrument_name String Winkler Oxygen Titrator
attribute NC_GLOBAL instruments_2_instrument_nid String 588
attribute NC_GLOBAL instruments_3_acronym String Spectrophotometer
attribute NC_GLOBAL instruments_3_dataset_instrument_description String Genesis 30 (Thomas Scientific) spectrophotometer at 466 nm
attribute NC_GLOBAL instruments_3_dataset_instrument_nid String 772710
attribute NC_GLOBAL instruments_3_description String An instrument used to measure the relative absorption of electromagnetic radiation of different wavelengths in the near infra-red, visible and ultraviolet wavebands by samples.
attribute NC_GLOBAL instruments_3_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L05/current/LAB20/ (external link)
attribute NC_GLOBAL instruments_3_instrument_name String Spectrophotometer
attribute NC_GLOBAL instruments_3_instrument_nid String 707
attribute NC_GLOBAL keywords String active, attenuation, available, bco, bco-dmo, biological, bottom, Bottom_Depth, cdom, chemical, chl, chlorophyll, colored, cruise, data, dataset, date, density, depth, dic, dissolved, dmo, DO_Spec, dospec, downwelling, downwelling_photosynthetic_photon_radiance_in_sea_water, earth, Earth Science > Oceans > Ocean Optics > Photosynthetically Active Radiation, Earth Science > Oceans > Ocean Optics > Radiance, Earth Science > Oceans > Salinity/Density > Salinity, electrode, erddap, flag, flag_DIC, flag_DOspec, flag_pHelec, flag_pHspec, flag_TA, fluorescence, FluorescenceChl, helec, hspec, iso, latitude, longitude, management, matter, O2, ocean, oceanography, oceans, office, optics, organic, oxygen, OxygenSBE1, OxygenSBE2, PAR, pH_Electrode, pH_Spec, photon, photosynthetic, photosynthetically, practical, preliminary, radiance, radiation, salinity, sample, Sample_Depth, sbe1, sbe2, science, sea, sea_water_practical_salinity, seawater, spar, spec, station, temperature, time, time2, transmission, turbidity, water, wet, wetCDOM
attribute NC_GLOBAL keywords_vocabulary String GCMD Science Keywords
attribute NC_GLOBAL license String https://www.bco-dmo.org/dataset/772513/license (external link)
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/772513 (external link)
attribute NC_GLOBAL Northernmost_Northing double 29.6415
attribute NC_GLOBAL param_mapping String {'772513': {'Latitude': 'flag - latitude', 'Longitude': 'flag - longitude', 'ISO_DateTime_UTC': 'flag - time', 'Bottom_Depth': 'flag - depth'}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/772513/parameters (external link)
attribute NC_GLOBAL people_0_affiliation String University of Delaware
attribute NC_GLOBAL people_0_person_name String Wei-Jun Cai
attribute NC_GLOBAL people_0_person_nid String 528011
attribute NC_GLOBAL people_0_role String Principal Investigator
attribute NC_GLOBAL people_0_role_type String originator
attribute NC_GLOBAL people_1_affiliation String Dalhousie University
attribute NC_GLOBAL people_1_person_name String Katja Fennel
attribute NC_GLOBAL people_1_person_nid String 50705
attribute NC_GLOBAL people_1_role String Co-Principal Investigator
attribute NC_GLOBAL people_1_role_type String originator
attribute NC_GLOBAL people_2_affiliation String Louisiana State University
attribute NC_GLOBAL people_2_affiliation_acronym String LSU
attribute NC_GLOBAL people_2_person_name String Nancy Rabalais
attribute NC_GLOBAL people_2_person_nid String 751342
attribute NC_GLOBAL people_2_role String Co-Principal Investigator
attribute NC_GLOBAL people_2_role_type String originator
attribute NC_GLOBAL people_3_affiliation String University of Delaware
attribute NC_GLOBAL people_3_person_name String Wei-Jun Cai
attribute NC_GLOBAL people_3_person_nid String 528011
attribute NC_GLOBAL people_3_role String Contact
attribute NC_GLOBAL people_3_role_type String related
attribute NC_GLOBAL people_4_affiliation String Woods Hole Oceanographic Institution
attribute NC_GLOBAL people_4_affiliation_acronym String WHOI BCO-DMO
attribute NC_GLOBAL people_4_person_name String Karen Soenen
attribute NC_GLOBAL people_4_person_nid String 748773
attribute NC_GLOBAL people_4_role String BCO-DMO Data Manager
attribute NC_GLOBAL people_4_role_type String related
attribute NC_GLOBAL project String nGOMx acidification
attribute NC_GLOBAL projects_0_acronym String nGOMx acidification
attribute NC_GLOBAL projects_0_description String NSF Award Abstract:\nOcean acidification (OA) refers to the lowering of ocean pH (or increasing acidity) due to uptake of atmospheric carbon dioxide (CO2). A great deal of research has been done to understand how the open ocean is influenced by OA, but coastal systems have received little attention. In the northern Gulf of Mexico (nGOM) shelf region, pH in bottom waters can measure up to 0.45 units less than the pH of the pre-industrial surface ocean, in comparison to the 0.1 overall pH decrease across the entire ocean. Carbonate chemistry in the ocean is greatly influenced by even small changes in pH, so these seemingly minor changes lead to much greater impacts on the biology and chemistry of the ocean. The researchers plan to study coastal OA in the nGOM, a region subject to high inputs of nutrients from the Mississippi River. These inputs of anthropogenic nitrogen mostly derived from fertilizers leads to increased respiration rates which decreases oxygen concentrations in the water column to the point of hypoxia in the summer. This study will inform us how OA in coastal waters subject to eutrophication and hypoxia will impact the chemistry and biology of the region. The researchers are dedicated to outreach programs in the Gulf and east coast regions, interacting with K-12 students and teachers, undergraduate/graduate student training, and various outreach efforts (family workshops on OA, lectures for the public and federal, state, and local representatives). Also, a project website will be created to disseminate the research results to a wider audience.\nIncreased uptakes of atmospheric carbon dioxide (CO2) by the ocean has led to a 0.1 unit decrease in seawater pH and carbonate mineral saturation state, a process known as Ocean Acidification (OA), which threatens the heath of marine organisms, alters marine ecosystems, and biogeochemical processes. Considerable attention has been focused on understanding the impact of OA on the open ocean but less attention has been given to coastal regions. Recent studies indicate that pH in bottom waters of the northern Gulf of Mexico (nGOM) shelf can be as much as 0.45 units lower relative to pre-industrial values. This occurs because the acidification resulting from increased CO2 inputs (both atmospheric inputs and in-situ respiration) decreases the buffering capacity of seawater. This interactive effect will increase with time, decreasing summertime nGOM bottom-water pH by an estimated 0.85 units and driving carbonate minerals to undersaturation by the end of this century. Researchers from the University of Delaware and the Louisiana Universities Marine Consortium will carry out a combined field, laboratory, and modeling program to address the following questions. (1) What are the physical, chemical, and biological controls on acidification in coastal waters impacted by the large, nutrient-laden Mississippi River?; (2) What is the link between coastal-water acidification, eutrophication, and hypoxia; (3) How do low pH and high CO2 concentrations in bottom waters affect CO2 out-gassing during fall and winter and storm periods when the water column is mixed?; and (4) What are the influences of changing river inputs under anthropogenic forcing on coastal water acidification? Results from this research aim to further our understanding of the processes influencing ocean acidification in coastal waters subject to eutrophication and hypoxia both in the GOM and river-dominated shelf ecosystems globally.
attribute NC_GLOBAL projects_0_end_date String 2019-04
attribute NC_GLOBAL projects_0_geolocation String northern Gulf of Mexico, 27.5 N, 30 N, 88 W, 94 W
attribute NC_GLOBAL projects_0_name String Collaborative Research: pH Dynamics and Interactive Effects of Multiple Processes in a River-Dominated Eutrophic Coastal Ocean
attribute NC_GLOBAL projects_0_project_nid String 751332
attribute NC_GLOBAL projects_0_start_date String 2016-05
attribute NC_GLOBAL publisher_name String Biological and Chemical Oceanographic Data Management Office (BCO-DMO)
attribute NC_GLOBAL publisher_type String institution
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL Southernmost_Northing double 27.4999
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v55
attribute NC_GLOBAL summary String Dissolved inorganic carbon, total alkalinity and pH from R/V Pelican cruises conducted in the northern Gulf of Mexico (27.5 N, 30 N, 88 W, 94 W ) from April 5 to 16 and July 7 to 21 in 2017
attribute NC_GLOBAL time_coverage_end String 2017-07-21T16:12:00Z
attribute NC_GLOBAL time_coverage_start String 2017-04-06T12:24:35Z
attribute NC_GLOBAL title String [Discrete Samples] - DIC, TA, pH from R/V Pelican cruise conducted in the northern Gulf of Mexico in April and July 2017 (Collaborative Research: pH Dynamics and Interactive Effects of Multiple Processes in a River-Dominated Eutrophic Coastal Ocean)
attribute NC_GLOBAL version String 2
attribute NC_GLOBAL Westernmost_Easting double -93.4167
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.3
variable Cruise String
attribute Cruise bcodmo_name String Cruise Name
attribute Cruise description String Cruise name
attribute Cruise long_name String Cruise
attribute Cruise units String unitless
variable Date String
attribute Date bcodmo_name String date
attribute Date description String Date in format YYYY-MM-DD
attribute Date long_name String Date
attribute Date nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/ADATAA01/ (external link)
attribute Date units String unitless
variable time2 String
attribute time2 bcodmo_name String time
attribute time2 description String Time in format HH:MM:SS
attribute time2 long_name String Time
attribute time2 nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/AHMSAA01/ (external link)
attribute time2 units String unitless
variable Station String
attribute Station bcodmo_name String station
attribute Station description String Station name
attribute Station long_name String Station
attribute Station units String unitless
variable longitude double
attribute longitude _CoordinateAxisType String Lon
attribute longitude _FillValue double NaN
attribute longitude actual_range double -93.4167, -88.5901
attribute longitude axis String X
attribute longitude bcodmo_name String longitude
attribute longitude colorBarMaximum double 180.0
attribute longitude colorBarMinimum double -180.0
attribute longitude description String Longitude, west is negative
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude nerc_identifier String https://vocab.nerc.ac.uk/collection/P09/current/LONX/ (external link)
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
variable latitude double
attribute latitude _CoordinateAxisType String Lat
attribute latitude _FillValue double NaN
attribute latitude actual_range double 27.4999, 29.6415
attribute latitude axis String Y
attribute latitude bcodmo_name String latitude
attribute latitude colorBarMaximum double 90.0
attribute latitude colorBarMinimum double -90.0
attribute latitude description String Latitude, south is negative
attribute latitude ioos_category String Location
attribute latitude long_name String Latitude
attribute latitude nerc_identifier String https://vocab.nerc.ac.uk/collection/P09/current/LATX/ (external link)
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
variable depth double
attribute depth _CoordinateAxisType String Height
attribute depth _CoordinateZisPositive String down
attribute depth _FillValue double NaN
attribute depth actual_range double 5.0, 1265.0
attribute depth axis String Z
attribute depth bcodmo_name String depth
attribute depth description String Bottom depth
attribute depth ioos_category String Location
attribute depth long_name String Bottom Depth
attribute depth nerc_identifier String https://vocab.nerc.ac.uk/collection/P09/current/DEPH/ (external link)
attribute depth positive String down
attribute depth standard_name String depth
attribute depth units String m
variable Sample_Depth float
attribute Sample_Depth _FillValue float NaN
attribute Sample_Depth actual_range float 1.709, 1240.809
attribute Sample_Depth bcodmo_name String depth
attribute Sample_Depth description String Sampling depth
attribute Sample_Depth long_name String Sample Depth
attribute Sample_Depth nerc_identifier String https://vocab.nerc.ac.uk/collection/P09/current/DEPH/ (external link)
attribute Sample_Depth units String meter (m)
variable Temperature float
attribute Temperature _FillValue float NaN
attribute Temperature actual_range float 4.4234, 32.2485
attribute Temperature bcodmo_name String temperature
attribute Temperature description String Temperature in sampling depth
attribute Temperature long_name String Temperature
attribute Temperature units String degrees Celsius (°C)
variable Salinity float
attribute Salinity _FillValue float NaN
attribute Salinity actual_range float 0.1906, 36.565
attribute Salinity bcodmo_name String sal
attribute Salinity colorBarMaximum double 37.0
attribute Salinity colorBarMinimum double 32.0
attribute Salinity description String Salinity in sampling depth
attribute Salinity long_name String Sea Water Practical Salinity
attribute Salinity nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/PSALST01/ (external link)
attribute Salinity units String PSU
variable OxygenSBE1 double
attribute OxygenSBE1 _FillValue double NaN
attribute OxygenSBE1 actual_range double 1.3997187452, 331.0
attribute OxygenSBE1 bcodmo_name String dissolved Oxygen
attribute OxygenSBE1 description String CTD Dissolved oxygen concentration
attribute OxygenSBE1 long_name String Oxygen SBE1
attribute OxygenSBE1 units String micromole per kilogram (umol/kg)
variable OxygenSBE2 float
attribute OxygenSBE2 _FillValue float NaN
attribute OxygenSBE2 actual_range float 0.0458, 10.8
attribute OxygenSBE2 bcodmo_name String dissolved Oxygen
attribute OxygenSBE2 description String CTD Dissolved oxygen concentration
attribute OxygenSBE2 long_name String Oxygen SBE2
attribute OxygenSBE2 units String milligram per liter (mg/L)
variable FluorescenceChl float
attribute FluorescenceChl _FillValue float NaN
attribute FluorescenceChl actual_range float -0.0185, 19.4
attribute FluorescenceChl bcodmo_name String fluorescence
attribute FluorescenceChl description String CTD Fluorescence Chl
attribute FluorescenceChl long_name String Fluorescence Chl
attribute FluorescenceChl nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/CPHLPM01/ (external link)
attribute FluorescenceChl units String microgram per liter (ug/L)
variable wetCDOM float
attribute wetCDOM _FillValue float NaN
attribute wetCDOM actual_range float -0.4948, 34.4576
attribute wetCDOM bcodmo_name String CDOM
attribute wetCDOM description String CTD wetCDOM
attribute wetCDOM long_name String Wet CDOM
attribute wetCDOM units String milligram per cubic meters (mg/m^3)
variable SPAR float
attribute SPAR _FillValue float NaN
attribute SPAR actual_range float 0.0, 3102.6
attribute SPAR bcodmo_name String SPAR
attribute SPAR description String CTD Surficial Photosynthetically Available
attribute SPAR long_name String SPAR
attribute SPAR units String microEinsteins per square meter per second (uEinsteins/m^2/second)
variable PAR float
attribute PAR _FillValue float NaN
attribute PAR actual_range float 0.0, 2541.6
attribute PAR bcodmo_name String PAR
attribute PAR colorBarMaximum double 70.0
attribute PAR colorBarMinimum double 0.0
attribute PAR description String CTD Photosynthetically Available [Active] Radiation
attribute PAR long_name String Downwelling Photosynthetic Photon Radiance In Sea Water
attribute PAR units String microEinsteins per square meter per second (uEinsteins/m^2/second)
variable Turbidity float
attribute Turbidity _FillValue float NaN
attribute Turbidity actual_range float 0.0, 410.979
attribute Turbidity bcodmo_name String turbidity
attribute Turbidity description String CTD Turbidity
attribute Turbidity long_name String Turbidity
attribute Turbidity units String FTU
variable Attenuation float
attribute Attenuation _FillValue float NaN
attribute Attenuation actual_range float -0.5, 55.262
attribute Attenuation bcodmo_name String beam_cp
attribute Attenuation description String CTD Attenuation
attribute Attenuation long_name String Attenuation
attribute Attenuation nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/ATTNZZ01/ (external link)
attribute Attenuation units String 1 per meter (1/m)
variable Transmission float
attribute Transmission _FillValue float NaN
attribute Transmission actual_range float -0.0784, 112.3
attribute Transmission bcodmo_name String transmission
attribute Transmission description String CTD Transmission
attribute Transmission long_name String Transmission
attribute Transmission units String %
variable TA float
attribute TA _FillValue float NaN
attribute TA actual_range float 1977.0, 2465.0
attribute TA bcodmo_name String TALK
attribute TA description String Total Alkalinity
attribute TA long_name String TA
attribute TA nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/MDMAP014/ (external link)
attribute TA units String micromole per kilogram (umol/kg)
variable flag_TA byte
attribute flag_TA _FillValue byte 127
attribute flag_TA actual_range byte 1, 3
attribute flag_TA bcodmo_name String flag
attribute flag_TA colorBarMaximum double 150.0
attribute flag_TA colorBarMinimum double 0.0
attribute flag_TA description String Total Alkalinity final flag - flag_2 means precision 0.1%
attribute flag_TA long_name String Flag TA
attribute flag_TA units String unitless
variable DIC float
attribute DIC _FillValue float NaN
attribute DIC actual_range float 1675.0, 2475.0
attribute DIC bcodmo_name String DIC
attribute DIC description String Total dissolved inorganic carbon
attribute DIC long_name String DIC
attribute DIC units String micromole per kilogram (umol/kg)
variable flag_DIC byte
attribute flag_DIC _FillValue byte 127
attribute flag_DIC actual_range byte 1, 3
attribute flag_DIC bcodmo_name String flag
attribute flag_DIC colorBarMaximum double 150.0
attribute flag_DIC colorBarMinimum double 0.0
attribute flag_DIC description String Total dissolved inorganic carbon final flag - flag_2 means precision 0.1%
attribute flag_DIC long_name String Flag DIC
attribute flag_DIC units String unitless
variable pH_Electrode float
attribute pH_Electrode _FillValue float NaN
attribute pH_Electrode actual_range float 7.75, 8.87
attribute pH_Electrode bcodmo_name String pH
attribute pH_Electrode description String pH measured by electrode (NBS scale)
attribute pH_Electrode long_name String P H Electrode
attribute pH_Electrode nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/PHXXZZXX/ (external link)
attribute pH_Electrode units String unitless
variable flag_pHelec byte
attribute flag_pHelec _FillValue byte 127
attribute flag_pHelec actual_range byte 1, 3
attribute flag_pHelec bcodmo_name String flag
attribute flag_pHelec colorBarMaximum double 150.0
attribute flag_pHelec colorBarMinimum double 0.0
attribute flag_pHelec description String pH measured by electrode final flag - flag_2 means precision +-0.02
attribute flag_pHelec long_name String Flag P Helec
attribute flag_pHelec units String unitless
variable pH_Spec float
attribute pH_Spec _FillValue float NaN
attribute pH_Spec actual_range float 7.27, 8.631
attribute pH_Spec bcodmo_name String pH
attribute pH_Spec description String Total scale pH measured by spectrometer
attribute pH_Spec long_name String P H Spec
attribute pH_Spec nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/PHXXZZXX/ (external link)
attribute pH_Spec units String unitless
variable flag_pHspec byte
attribute flag_pHspec _FillValue byte 127
attribute flag_pHspec actual_range byte 1, 2
attribute flag_pHspec bcodmo_name String flag
attribute flag_pHspec colorBarMaximum double 150.0
attribute flag_pHspec colorBarMinimum double 0.0
attribute flag_pHspec description String pH measure by spectrometer final flag - flag_2 means precision +-0.005
attribute flag_pHspec long_name String Flag P Hspec
attribute flag_pHspec units String unitless
variable DO_Spec float
attribute DO_Spec _FillValue float NaN
attribute DO_Spec actual_range float 0.0, 330.54
attribute DO_Spec bcodmo_name String dissolved Oxygen
attribute DO_Spec description String Dissolved oxygen measured by spectrometer at 25 degrees celcius
attribute DO_Spec long_name String DO Spec
attribute DO_Spec units String umol/L
variable flag_DOspec byte
attribute flag_DOspec _FillValue byte 127
attribute flag_DOspec actual_range byte 2, 3
attribute flag_DOspec bcodmo_name String flag
attribute flag_DOspec colorBarMaximum double 150.0
attribute flag_DOspec colorBarMinimum double 0.0
attribute flag_DOspec description String Dissolved oxygen final flag - flag_2 means precision 0.7umol L-1
attribute flag_DOspec long_name String Flag DOspec
attribute flag_DOspec units String unitless
variable time double
attribute time _CoordinateAxisType String Time
attribute time actual_range double 1.491481475E9, 1.50065352E9
attribute time axis String T
attribute time bcodmo_name String ISO_DateTime_UTC
attribute time description String Date/Time UTC in ISO format (YYYY-MM-DDTHH:MM:SSZ)
attribute time ioos_category String Time
attribute time long_name String ISO Date Time UTC
attribute time nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/DTUT8601/ (external link)
attribute time source_name String ISO_DateTime_UTC
attribute time standard_name String time
attribute time time_origin String 01-JAN-1970 00:00:00
attribute time time_precision String 1970-01-01T00:00:00Z
attribute time units String seconds since 1970-01-01T00:00:00Z

 
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