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 Sediments were collected and profiled immediately with voltammetric Hg/Au\nmicroelectrodes deployed on a computer-controlled micromanipulator (Beckler et\nal., 2016).\n \nSediment cores were obtained by a MC-800 multi-corer and profiled within 30\nminutes with voltammetric Hg/Au microelectrodes deployed on a computer-\ncontrolled micromanipulator. O\\u2082\\u208d\\u2090q\\u208e, Mn(II), Fe(II), Org-\nFe(III), FeS\\u208d\\u2090q\\u208e, and SH2S were measured by voltammetry using\nnon-invasive mercury/gold (Hg/Au) microelectrodes (Luther et al., 2008) in\nintact sediment cores. Org-Fe(III) and FeS(aq) cannot be quantified by these\nmethods and are reported in current intensities.\n \nProblem report: Some of the data are missing because pore water volumes were\ntoo low to make all the measurements.
attribute NC_GLOBAL awards_0_award_nid String 743718
attribute NC_GLOBAL awards_0_award_number String OCE-1438648
attribute NC_GLOBAL awards_0_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1438648 (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 SAV-15-18 (CL2015) Electrochemical Data \n  PI: Martial Taillefert  \n  Version date: 2020-Jan-08
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 2020-01-08T17:08:59Z
attribute NC_GLOBAL date_modified String 2020-01-17T21:11:30Z
attribute NC_GLOBAL defaultDataQuery String &time<now
attribute NC_GLOBAL doi String 10.1575/1912/bco-dmo.786511.1
attribute NC_GLOBAL Easternmost_Easting double -75.806
attribute NC_GLOBAL geospatial_lat_max double 34.266
attribute NC_GLOBAL geospatial_lat_min double 33.8715
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -75.806
attribute NC_GLOBAL geospatial_lon_min double -76.4343
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL infoUrl String https://www.bco-dmo.org/dataset/786511 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL instruments_0_acronym String Multi Corer
attribute NC_GLOBAL instruments_0_dataset_instrument_description String Sediment cores were obtained by a MC-800 multi-corer.
attribute NC_GLOBAL instruments_0_dataset_instrument_nid String 786541
attribute NC_GLOBAL instruments_0_description String The Multi Corer is a benthic coring device used to collect multiple, simultaneous, undisturbed sediment/water samples from the seafloor.  Multiple coring tubes with varying sampling capacity depending on tube dimensions are mounted in a frame designed to sample the deep ocean seafloor. For more information, see Barnett et al. (1984) in Oceanologica Acta, 7, pp. 399-408.
attribute NC_GLOBAL instruments_0_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L05/current/51/ (external link)
attribute NC_GLOBAL instruments_0_instrument_name String Multi Corer
attribute NC_GLOBAL instruments_0_instrument_nid String 532
attribute NC_GLOBAL instruments_0_supplied_name String MC-800 multi-corer
attribute NC_GLOBAL instruments_1_acronym String Voltammetry Analyzers
attribute NC_GLOBAL instruments_1_dataset_instrument_description String Electrochemical analyzer: DLK-100 and DLK-70 with EX-MAN-1 micromanipulator (Analytical Instrument Systems, Inc.).
attribute NC_GLOBAL instruments_1_dataset_instrument_nid String 786540
attribute NC_GLOBAL instruments_1_description String Instruments that obtain information about an analyte by applying a potential and measuring the current produced in the analyte.
attribute NC_GLOBAL instruments_1_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L05/current/LAB35/ (external link)
attribute NC_GLOBAL instruments_1_instrument_name String Voltammetry Analyzers
attribute NC_GLOBAL instruments_1_instrument_nid String 698
attribute NC_GLOBAL instruments_1_supplied_name String Electrochemical analyzer
attribute NC_GLOBAL keywords String bco, bco-dmo, biological, chemical, collection, Collection_Type, data, dataset, date, day, depth, dmo, erddap, Fe_II, FeS_aq, iii, latitude, longitude, management, Mn_II, month, O2, oceanography, office, org, Org_Fe_III, oxygen, preliminary, sdFe_II, sdFeS_aq, sdMn_II, sdO2, sdOrgFe_III, sdSH2S, sediment, Sediment_depth, sh2, SH2S, station, time, type, year
attribute NC_GLOBAL license String https://www.bco-dmo.org/dataset/786511/license (external link)
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/786511 (external link)
attribute NC_GLOBAL Northernmost_Northing double 34.266
attribute NC_GLOBAL param_mapping String {'786511': {'date': 'flag - time', 'Lat': 'flag - latitude', 'Lon': 'flag - longitude', 'Sediment_depth': 'flag - depth'}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/786511/parameters (external link)
attribute NC_GLOBAL people_0_affiliation String Georgia Institute of Technology
attribute NC_GLOBAL people_0_affiliation_acronym String Georgia Tech
attribute NC_GLOBAL people_0_person_name String Martial Taillefert
attribute NC_GLOBAL people_0_person_nid String 743721
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 Woods Hole Oceanographic Institution
attribute NC_GLOBAL people_1_affiliation_acronym String WHOI BCO-DMO
attribute NC_GLOBAL people_1_person_name String Shannon Rauch
attribute NC_GLOBAL people_1_person_nid String 51498
attribute NC_GLOBAL people_1_role String BCO-DMO Data Manager
attribute NC_GLOBAL people_1_role_type String related
attribute NC_GLOBAL project String Soluble Fe Fluxing
attribute NC_GLOBAL projects_0_acronym String Soluble Fe Fluxing
attribute NC_GLOBAL projects_0_description String NSF Award Abstract:\nIron is a limiting nutrient in the world's oceans and plays a key role in regulating the growth of phytoplankton. The main sources of iron to the open ocean are the atmosphere, through wind-blown terrestrial dust, and the seafloor, through input from continental shelf sediments. While atmospheric inputs have been well-studied, the oceanic input of iron from sediments has only sparsely been measured and, as a result, the relative importance of the sediment-derived iron to the iron pool and, ultimately, primary productivity in the oceans is poorly understood. In this study, researchers will examine the chemical properties of sediment-derived iron in the oceans to assess its contribution to the iron used by phytoplankton. Results from this study will further our understanding of iron inputs to the ocean and their importance to ocean primary productivity. The project will contribute to the training of graduate students, as well as provide educational opportunities such as a day at sea for undergraduate students in engineering and physical science.\nThe atmosphere and continental margin sediments are the main source of the limiting nutrient iron (Fe) to the open ocean. Yet, the chemical form of iron from sediments has not been well examined and only quantified as reduced iron or the dissolved iron passing through 0.45 µm filters. The kinetics of iron oxygenation suggests it should precipitate rapidly in the overlying waters, challenging the view that sediments are important sources of iron for primary production. To establish whether the flux of iron from sediments has important implications for primary productivity, possibly rivaling atmospheric inputs, it is necessary to demonstrate that ferric iron originating in sediments is under the form of stable iron species with potential for a high residence time in the water column. The overall objective of this project is to test the hypotheses that iron fluxing across the sediment-water interface in continental margin sediments is dissolved under the form of organic-Fe(III) complexes and that the magnitude of the iron flux is influenced by the redox conditions in the overlying waters, the composition of the complexes, and the biogeochemical processes in the underlying sediments. To test these hypotheses, the flux and speciation of dissolved Fe(III) will be quantified in the sediments of the Carolina depocenter and the Gulf of Mexico, and the biogeochemical processes regulating the production and the flux of iron as a function of the redox regime of the environment will be determined using in situ measurements and state-of-the-art voltammetric and chromatographic techniques.
attribute NC_GLOBAL projects_0_end_date String 2017-08
attribute NC_GLOBAL projects_0_geolocation String Northern South Atlantic Bight (Cape Lookout, NC) and Northern Gulf of Mexico
attribute NC_GLOBAL projects_0_name String Source, Composition, and Stability of Soluble Iron Fluxing from Continental Margin Sediments
attribute NC_GLOBAL projects_0_project_nid String 743719
attribute NC_GLOBAL projects_0_start_date String 2014-09
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 33.8715
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v55
attribute NC_GLOBAL subsetVariables String Year,Month,Collection_Type,Mn_II,sdMn_II
attribute NC_GLOBAL summary String Electrochemistry data from sediments collected on R/V Savannah cruise SAV-15-18 at the Cape Lookout Continental Shelf and Slope during July 2015.
attribute NC_GLOBAL time_coverage_end String 2015-07-20
attribute NC_GLOBAL time_coverage_start String 2015-07-08
attribute NC_GLOBAL title String [Electrochemical Data CL2015] - Electrochemical data from sediments collected on R/V Savannah cruise SAV-15-18 at the Cape Lookout Continental Shelf and Slope during July 2015 (Source, Composition, and Stability of Soluble Iron Fluxing from Continental Margin Sediments)
attribute NC_GLOBAL version String 1
attribute NC_GLOBAL Westernmost_Easting double -76.4343
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.3
variable Year short
attribute Year _FillValue short 32767
attribute Year actual_range short 2015, 2015
attribute Year bcodmo_name String year
attribute Year description String Year
attribute Year long_name String Year
attribute Year nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/YEARXXXX/ (external link)
attribute Year units String unitless
variable Month byte
attribute Month _FillValue byte 127
attribute Month actual_range byte 7, 7
attribute Month bcodmo_name String month
attribute Month description String Month
attribute Month long_name String Month
attribute Month nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/MNTHXXXX/ (external link)
attribute Month units String unitless
variable Day byte
attribute Day _FillValue byte 127
attribute Day actual_range byte 8, 20
attribute Day bcodmo_name String day
attribute Day description String Day
attribute Day long_name String Day
attribute Day nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/DAYXXXXX/ (external link)
attribute Day units String unitless
variable Collection_Type String
attribute Collection_Type bcodmo_name String instrument
attribute Collection_Type description String Instrument used for collection
attribute Collection_Type long_name String Collection Type
attribute Collection_Type units String unitless
variable Station String
attribute Station bcodmo_name String station
attribute Station description String Station number
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 -76.4343, -75.806
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
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 33.8715, 34.266
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
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 Sediment_depth double
attribute Sediment_depth _FillValue double NaN
attribute Sediment_depth actual_range double -2.0, 251.0
attribute Sediment_depth bcodmo_name String depth_bsf
attribute Sediment_depth description String Sediment depth
attribute Sediment_depth long_name String Sediment Depth
attribute Sediment_depth units String millimeters (mm)
variable O2 float
attribute O2 _FillValue float NaN
attribute O2 actual_range float 0.0, 281.495
attribute O2 bcodmo_name String dissolved Oxygen
attribute O2 description String Dissolved oxygen
attribute O2 long_name String O2
attribute O2 units String micromolar (uM)
variable sdO2 float
attribute sdO2 _FillValue float NaN
attribute sdO2 actual_range float 0.0, 121.255
attribute sdO2 bcodmo_name String dissolved Oxygen
attribute sdO2 description String Standard deviation of O2
attribute sdO2 long_name String Sd O2
attribute sdO2 units String micromolar (uM)
variable Mn_II byte
attribute Mn_II _FillValue byte 127
attribute Mn_II actual_range byte 0, 0
attribute Mn_II bcodmo_name String Mn
attribute Mn_II description String Dissolved manganese(II)
attribute Mn_II long_name String Mn II
attribute Mn_II units String micromolar (uM)
variable sdMn_II byte
attribute sdMn_II _FillValue byte 127
attribute sdMn_II actual_range byte 0, 0
attribute sdMn_II bcodmo_name String Mn
attribute sdMn_II description String Standard deviation of Mn_II
attribute sdMn_II long_name String Sd Mn II
attribute sdMn_II units String micromolar (uM)
variable Fe_II double
attribute Fe_II _FillValue double NaN
attribute Fe_II actual_range double 0.0, 688.7037
attribute Fe_II bcodmo_name String Fe
attribute Fe_II description String Dissolved iron(II)
attribute Fe_II long_name String Fe II
attribute Fe_II units String micromolar (uM)
variable sdFe_II String
attribute sdFe_II bcodmo_name String Fe
attribute sdFe_II description String Standard deviation of Fe_II
attribute sdFe_II long_name String Sd Fe II
attribute sdFe_II units String micromolar (uM)
variable Org_Fe_III float
attribute Org_Fe_III _FillValue float NaN
attribute Org_Fe_III actual_range float 0.0, 61.99713
attribute Org_Fe_III bcodmo_name String Fe
attribute Org_Fe_III description String Dissolved organic-Fe(III) complexes
attribute Org_Fe_III long_name String Org Fe III
attribute Org_Fe_III units String nA
variable sdOrgFe_III float
attribute sdOrgFe_III _FillValue float NaN
attribute sdOrgFe_III actual_range float 0.0, 3.30651
attribute sdOrgFe_III bcodmo_name String Fe
attribute sdOrgFe_III description String Standard deviation of Org_Fe_III
attribute sdOrgFe_III long_name String Sd Org Fe III
attribute sdOrgFe_III units String nA
variable FeS_aq float
attribute FeS_aq _FillValue float NaN
attribute FeS_aq actual_range float 0.0, 9.04929
attribute FeS_aq bcodmo_name String Fe
attribute FeS_aq description String Dissolved molecular clusters of FeS
attribute FeS_aq long_name String Fe S Aq
attribute FeS_aq units String nA
variable sdFeS_aq float
attribute sdFeS_aq _FillValue float NaN
attribute sdFeS_aq actual_range float 0.0, 0.6427
attribute sdFeS_aq bcodmo_name String Fe
attribute sdFeS_aq description String Standard deviation of FeS_aq
attribute sdFeS_aq long_name String Sd Fe S Aq
attribute sdFeS_aq units String nA
variable SH2S String
attribute SH2S bcodmo_name String S
attribute SH2S description String Dissolved inorganic sulfur
attribute SH2S long_name String SH2 S
attribute SH2S units String micromolar (uM)
variable sdSH2S float
attribute sdSH2S _FillValue float NaN
attribute sdSH2S actual_range float 0.0, 5.72523
attribute sdSH2S bcodmo_name String S
attribute sdSH2S description String Standard deviation of SH2S
attribute sdSH2S long_name String SD SH2 S
attribute sdSH2S units String micromolar (uM)
variable time double
attribute time _CoordinateAxisType String Time
attribute time actual_range double 1.4363136E9, 1.4373504E9
attribute time axis String T
attribute time bcodmo_name String date
attribute time description String Date; format: yyyy-mm-dd
attribute time ioos_category String Time
attribute time long_name String Date
attribute time nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/ADATAA01/ (external link)
attribute time source_name String date
attribute time standard_name String time
attribute time time_origin String 01-JAN-1970 00:00:00
attribute time time_precision String 1970-01-01
attribute time units String seconds since 1970-01-01T00:00:00Z

 
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