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Title Sum-
Institution Dataset ID
     data   graph     files  public Basic CTD hydrography data collected during R/V Savannah cruises conducted in the South
Atlantic Bight off the coast of Georgia from 2015-2017
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The Dataset's Variables and Attributes

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 Data were collected using a\u00a0Sea-Bird Scientific SBE 911 CTD carousel with
SBE-25 CTD and Satlantic ISUS.\u00a0
attribute NC_GLOBAL awards_0_award_nid String 516650
attribute NC_GLOBAL awards_0_award_number String OCE-1436458
attribute NC_GLOBAL awards_0_data_url String http://www.nsf.gov/awardsearch/showAward?AWD_ID=1436458 (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 David L. Garrison
attribute NC_GLOBAL awards_0_program_manager_nid String 50534
attribute NC_GLOBAL cdm_data_type String Other
attribute NC_GLOBAL comment String CTD Hydrography
R/V Savannah cruises, 2015-2017
PI: Peter Lee (College of Charleston)
Version date: 19 June 2020
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 dataset_current_state String Final and no updates
attribute NC_GLOBAL date_created String 2020-06-18T19:23:38Z
attribute NC_GLOBAL date_modified String 2020-06-23T14:55:35Z
attribute NC_GLOBAL defaultDataQuery String &time<now
attribute NC_GLOBAL doi String 10.26008/1912/bco-dmo.815732.1
attribute NC_GLOBAL Easternmost_Easting double -76.334083
attribute NC_GLOBAL geospatial_lat_max double 31.865276
attribute NC_GLOBAL geospatial_lat_min double 31.005317
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -76.334083
attribute NC_GLOBAL geospatial_lon_min double -81.121513
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL geospatial_vertical_max double 254.0
attribute NC_GLOBAL geospatial_vertical_min double 1.0
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/815732 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL instruments_0_acronym String CTD SBE 25
attribute NC_GLOBAL instruments_0_dataset_instrument_nid String 815845
attribute NC_GLOBAL instruments_0_description String The Sea-Bird SBE 25 SEALOGGER CTD is battery powered and is typically used to record data in memory, eliminating the need for a large vessel, electrical sea cable, and on-board computer. All SBE 25s can also operate in real-time, transmitting data via an opto-isolated RS-232 serial port. Temperature and conductivity are measured by the SBE 3F Temperature sensor and SBE 4 Conductivity sensor (same as those used on the premium SBE 9plus CTD). The SBE 25 also includes the SBE 5P (plastic) or 5T (titanium) Submersible Pump and TC Duct. The pump-controlled, TC-ducted flow configuration significantly reduces salinity spiking caused by ship heave, and in calm waters allows slower descent rates for improved resolution of water column features. Pressure is measured by the modular SBE 29 Temperature Compensated Strain-Gauge Pressure sensor (available in eight depth ranges to suit the operating depth requirement). The SBE 25's modular design makes it easy to configure in the field for a wide range of auxiliary sensors, including optional dissolved oxygen (SBE 43), pH (SBE 18 or SBE 27), fluorescence, transmissivity, PAR, and optical backscatter sensors. More information from Sea-Bird Electronics: http:www.seabird.com.
attribute NC_GLOBAL instruments_0_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L22/current/TOOL0040/ (external link)
attribute NC_GLOBAL instruments_0_instrument_name String CTD Sea-Bird 25
attribute NC_GLOBAL instruments_0_instrument_nid String 421
attribute NC_GLOBAL instruments_0_supplied_name String SBE-25 CTD
attribute NC_GLOBAL instruments_1_acronym String CTD SBE 911
attribute NC_GLOBAL instruments_1_dataset_instrument_nid String 815846
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_1_supplied_name String Sea-Bird Scientific SBE 911 CTD carousel
attribute NC_GLOBAL instruments_2_acronym String ISUS Nitrate
attribute NC_GLOBAL instruments_2_dataset_instrument_nid String 815847
attribute NC_GLOBAL instruments_2_description String The Satlantic ISUS nitrate sensor is an in-situ UV absorption sensor which calculates nitrate concentration from the seawater spectrum. The ISUS V2 has a 1cm path length, a 200-400 nm wavelength range., and is depth rated to 1000 m. Satlantic's ISUS V3 nitrate sensor uses advanced UV absorption technology to measure nitrate concentration in real-time.
attribute NC_GLOBAL instruments_2_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L22/current/TOOL0135/ (external link)
attribute NC_GLOBAL instruments_2_instrument_name String ISUS Nitrate sensor
attribute NC_GLOBAL instruments_2_instrument_nid String 618
attribute NC_GLOBAL instruments_2_supplied_name String Satlantic ISUS
attribute NC_GLOBAL keywords String available, bco, bco-dmo, biological, cast, Cast_ID, chemical, conductivity, cruise, Cruise_ID, data, dataset, date, density, depth, dmo, earth, Earth Science > Oceans > Salinity/Density > Conductivity, Earth Science > Oceans > Salinity/Density > Density, Earth Science > Oceans > Salinity/Density > Salinity, electrical, erddap, flag, gauge, irradiance, iso, isus, latitude, longitude, management, O2, ocean, oceanography, oceans, office, oxygen, Oxygen_mLL, Oxygen_pcnt, par, PAR_Irradiance, pcnt, photosynthetically, potential, Potential_Temp, practical, preliminary, pressure, radiation, salinity, science, sea, sea_water_electrical_conductivity, sea_water_practical_salinity, sea_water_sigma_theta, seawater, sigma, Sigma_theta, station, Station_ID, strain, Strain_Gauge_Pressure, temperature, theta, time, UTC_Date, UTC_Time, water
attribute NC_GLOBAL keywords_vocabulary String GCMD Science Keywords
attribute NC_GLOBAL license String https://www.bco-dmo.org/dataset/815732/license (external link)
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/815732 (external link)
attribute NC_GLOBAL Northernmost_Northing double 31.865276
attribute NC_GLOBAL param_mapping String {'815732': {'Latitude': 'flag - latitude', 'Depth': 'flag - depth', 'Longitude': 'flag - longitude', 'ISO_DateTime_UTC': 'flag - time'}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/815732/parameters (external link)
attribute NC_GLOBAL people_0_affiliation String College of Charleston - Hollings Marine Lab
attribute NC_GLOBAL people_0_affiliation_acronym String CoC-HML
attribute NC_GLOBAL people_0_person_name String Peter Lee
attribute NC_GLOBAL people_0_person_nid String 516649
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 B12 Impacts on DMSP
attribute NC_GLOBAL projects_0_acronym String B12 Impacts on DMSP
attribute NC_GLOBAL projects_0_description String Description from NSF award abstract:
Vitamin B12 and nitrogen are nutrients critical to phytoplankton growth. Since B12 is produced solely by bacteria, phytoplankton must acquire their B12 from bacteria. Nitrogen is used to produce the amino acid methionine and B12 is required by the enzymes that form methionine. Methionine is the precursor to the algal metabolite dimethylsulfoniopropionate (DMSP). Bacteria degrade this compound to the climatically-active compound dimethylsulfide (DMS). Subsequent DMS transfer into the atmosphere is considered a significant driver of cloud formation and a possible climate feedback mechanism. DMSP can also be degraded via a secondary pathway to form methylmercaptopropionate (MMPA), which is not released to the atmosphere. Consequently, DMSP formation and the extent of DMSP degradation to DMS or MMPA are susceptible to B12 availability. Nitrogen availability influences this effect by controlling methionine production. Thus, the overarching premise for this study is that B12 availability regulates oceanic DMSP and DMS formation, and is synergistically impacted by nitrogen limitation. By providing a mechanistic understanding of relevant biogeochemical parameters this study will significantly improve the incorporation of sulfur-related microbial processes into climate models.
This project will combine established biogeochemistry-based measurements with cutting-edge metabolomics, transcriptomics and proteomics techniques in laboratory and field studies. Culture experiments will examine the interactive effect of B12 and nitrogen availability on DMSP formation in several ecologically-relevant phytoplankton taxa. Second, the microbial degradation of DMSP and DMS in relation to B12 availability will be examined using several environmentally-important bacteria and archaea. Finally, field studies will examine the seasonal variability of B12, DMSP and DMS, and the relative importance of DMS and MMPA formation in the South Atlantic Bight. Gene and protein expression will be assessed at each level of this study to identify gene products, metabolic pathways, and cellular mechanisms underlying the interconnections between B12, sulfur, and nitrogen cycles. The results generated will have a major impact on current understanding of the role of B12 and nitrogen on the DMSP and DMS cycling, as well as the potential role of these stressors in global climate change. In addition to providing evidence for microbe-based mechanisms behind the modulation of oceanic DMS, this project will (1) furnish an explanation for "summer DMS paradox", thus having significant implications for the development of future DMS models, (2) assess the interactive impact of B12 and nitrogen availability on intracellular DMSP production and (3) provide insight as to whether B12 may play a far more critical role in modulating climate feedback mechanisms on phytoplankton productivity.
attribute NC_GLOBAL projects_0_end_date String 2019-01
attribute NC_GLOBAL projects_0_geolocation String North Atlantic Ocean in the South Atlantic Bight off the coast of Georgia; Navy Op Area NA06
attribute NC_GLOBAL projects_0_name String RUI: Vitamin B12 and nitrogen regulation of oceanic dimethylsulfoniopropionate and dimethylsulfide
attribute NC_GLOBAL projects_0_project_nid String 516651
attribute NC_GLOBAL projects_0_start_date String 2014-08
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 31.005317
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v55
attribute NC_GLOBAL summary String Basic CTD data collected using a Sea-Bird Scientific SBE 911 during several R/V Savannah cruises conducted from 2015 to 2017 along a transect from shelf waters to oligotrophic waters in the South Atlantic Bight off the coast of Georgia (Navy Op Area NA06).
attribute NC_GLOBAL time_coverage_end String 2017-01-27T20:46:05Z
attribute NC_GLOBAL time_coverage_start String 2015-03-16T15:56:47Z
attribute NC_GLOBAL title String Basic CTD hydrography data collected during R/V Savannah cruises conducted in the South Atlantic Bight off the coast of Georgia from 2015-2017
attribute NC_GLOBAL version String 1
attribute NC_GLOBAL Westernmost_Easting double -81.121513
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.5
variable Cruise_ID   String  
attribute Cruise_ID bcodmo_name String cruise_id
attribute Cruise_ID description String Cruise ID number
attribute Cruise_ID long_name String Cruise ID
attribute Cruise_ID units String unitless
variable Cast_ID   short  
attribute Cast_ID _FillValue short 32767
attribute Cast_ID actual_range short 1, 314
attribute Cast_ID bcodmo_name String cast
attribute Cast_ID description String Cast ID number
attribute Cast_ID long_name String Cast ID
attribute Cast_ID units String unitless
variable Station_ID   String  
attribute Station_ID bcodmo_name String station
attribute Station_ID description String Station ID number
attribute Station_ID long_name String Station ID
attribute Station_ID units String unitless
variable UTC_Date   String  
attribute UTC_Date bcodmo_name String date
attribute UTC_Date description String Date (UTC); format: MM/DD/YYYY
attribute UTC_Date long_name String UTC Date
attribute UTC_Date nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/ADATAA01/ (external link)
attribute UTC_Date time_precision String 1970-01-01
attribute UTC_Date units String unitless
variable UTC_Time   String  
attribute UTC_Time bcodmo_name String time
attribute UTC_Time description String Time (UTC); format: hh:mm:ss
attribute UTC_Time long_name String UTC Time
attribute UTC_Time nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/AHMSAA01/ (external link)
attribute UTC_Time units String unitless
variable time   double  
attribute time _CoordinateAxisType String Time
attribute time actual_range double 1.426521407E9, 1.485549965E9
attribute time axis String T
attribute time bcodmo_name String ISO_DateTime_UTC
attribute time description String Date and time (UTC) formatted to ISO8601 standard: 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
variable latitude   double  
attribute latitude _CoordinateAxisType String Lat
attribute latitude _FillValue double NaN
attribute latitude actual_range double 31.005317, 31.865276
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 longitude   double  
attribute longitude _CoordinateAxisType String Lon
attribute longitude _FillValue double NaN
attribute longitude actual_range double -81.121513, -76.334083
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 depth   double  
attribute depth _CoordinateAxisType String Height
attribute depth _CoordinateZisPositive String down
attribute depth _FillValue double NaN
attribute depth actual_range double 1.0, 254.0
attribute depth axis String Z
attribute depth bcodmo_name String depth
attribute depth colorBarMaximum double 8000.0
attribute depth colorBarMinimum double -8000.0
attribute depth colorBarPalette String TopographyDepth
attribute depth description String Sample depth
attribute depth ioos_category String Location
attribute depth long_name String 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 Strain_Gauge_Pressure   float  
attribute Strain_Gauge_Pressure _FillValue float NaN
attribute Strain_Gauge_Pressure actual_range float 1.461, 371.188
attribute Strain_Gauge_Pressure bcodmo_name String pressure
attribute Strain_Gauge_Pressure description String Pressure
attribute Strain_Gauge_Pressure long_name String Strain Gauge Pressure
attribute Strain_Gauge_Pressure nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/PRESPR01/ (external link)
attribute Strain_Gauge_Pressure units String psi
variable Conductivity   double  
attribute Conductivity _FillValue double NaN
attribute Conductivity actual_range double -0.783839, 81.265259
attribute Conductivity bcodmo_name String conductivity
attribute Conductivity colorBarMaximum double 40.0
attribute Conductivity colorBarMinimum double 30.0
attribute Conductivity description String Conductivity
attribute Conductivity long_name String Sea Water Electrical Conductivity
attribute Conductivity nerc_identifier String https://vocab.nerc.ac.uk/collection/P02/current/CNDC/ (external link)
attribute Conductivity units String millisiemens per centimeter (mS/cm)
variable Salinity   float  
attribute Salinity _FillValue float NaN
attribute Salinity actual_range float -0.6235, 50.4499
attribute Salinity bcodmo_name String sal
attribute Salinity colorBarMaximum double 37.0
attribute Salinity colorBarMinimum double 32.0
attribute Salinity description String Salinty
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 Temperature   double  
attribute Temperature _FillValue double NaN
attribute Temperature actual_range double 8.46, 58.276982
attribute Temperature bcodmo_name String temperature
attribute Temperature description String Water temperature
attribute Temperature long_name String Temperature
attribute Temperature nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/TEMPP901/ (external link)
attribute Temperature units String degrees Celsius
variable Potential_Temp   float  
attribute Potential_Temp _FillValue float NaN
attribute Potential_Temp actual_range float 8.4334, 36.335
attribute Potential_Temp bcodmo_name String potemp
attribute Potential_Temp description String Potential temperature
attribute Potential_Temp long_name String Potential Temp
attribute Potential_Temp nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/POTMCV01/ (external link)
attribute Potential_Temp units String degrees Celsius
variable Density   double  
attribute Density _FillValue double NaN
attribute Density actual_range double 28.1058, 1035.8587
attribute Density bcodmo_name String density
attribute Density description String density
attribute Density long_name String Density
attribute Density units String kilograms per cubic meter (kg/m^3)
variable Sigma_theta   float  
attribute Sigma_theta _FillValue float NaN
attribute Sigma_theta actual_range float -3.9216, 35.8509
attribute Sigma_theta bcodmo_name String sigma_theta
attribute Sigma_theta description String Sigma theta density
attribute Sigma_theta long_name String Sea Water Sigma Theta
attribute Sigma_theta units String kilograms per cubic meter (kg/m^3)
variable Oxygen_mLL   double  
attribute Oxygen_mLL _FillValue double NaN
attribute Oxygen_mLL actual_range double -0.8435, 1023.4389
attribute Oxygen_mLL bcodmo_name String dissolved Oxygen
attribute Oxygen_mLL description String Oxygen concentration
attribute Oxygen_mLL long_name String Oxygen M LL
attribute Oxygen_mLL units String milliliters per liter (ml/l)
variable Oxygen_pcnt   float  
attribute Oxygen_pcnt _FillValue float NaN
attribute Oxygen_pcnt actual_range float -18.651, 217.53
attribute Oxygen_pcnt bcodmo_name String O2sat
attribute Oxygen_pcnt description String Oxygen percent saturation
attribute Oxygen_pcnt long_name String Oxygen Pcnt
attribute Oxygen_pcnt units String unitless (percent)
variable PAR_Irradiance   float  
attribute PAR_Irradiance _FillValue float NaN
attribute PAR_Irradiance actual_range float -379.4, 2820.0
attribute PAR_Irradiance bcodmo_name String PAR
attribute PAR_Irradiance description String PAR irradiance
attribute PAR_Irradiance long_name String PAR Irradiance
attribute PAR_Irradiance units String unitless
variable ISUS   double  
attribute ISUS _FillValue double NaN
attribute ISUS actual_range double -9.5045132, 97.974
attribute ISUS bcodmo_name String unknown
attribute ISUS description String Satlantic ISUS (nitrate sensor) measurement in volts
attribute ISUS long_name String ISUS
attribute ISUS units String volts
variable flag   float  
attribute flag _FillValue float NaN
attribute flag actual_range float 0.0, 430.0
attribute flag bcodmo_name String flag
attribute flag colorBarMaximum double 150.0
attribute flag colorBarMinimum double 0.0
attribute flag description String Flag
attribute flag long_name String Flag
attribute flag units String unitless

The information in the table above is also available in other file formats (.csv, .htmlTable, .itx, .json, .jsonlCSV1, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml) via a RESTful web service.

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