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     data   graph     files  public Scientific sampling event log associated with the US GEOTRACES North Atlantic Transect from
the R/V Knorr KN199-04 cruise in the subtropical N. Atlantic during 2010 (U.S. GEOTRACES NAT
project)
   ?     I   M   background (external link) RSS Subscribe BCO-DMO bcodmo_dataset_3485

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
attribute NC_GLOBAL acquisition_description String Generated aboard vessel by science party.

Event Description Codes:
nd = unknown/not entered
GT-C = GEOTRACES carousel
30-ODF = 30L Niskin Rosette
GeoF = Geos fish
RaPUW = Radium UW pump
MITv2 = MIT-vane
UAFv = UAF-vane
KnoR = Knorr rosette
MastUp = NASA solar reference mast UP
MastDown = NASA solar reference mast DOWN
McL-Ros = McLane pump rosette
McL-Prof = McLane pump profile
Aeros = Aerosol sampler
AOP = Apparent Optical Properties cast
NASAsurf = NASA surface pump water sample
NEMO = NEMO Float Deployment
Ra/Th/Pig = Ra/Th/Pigment Niskin Cast

Codes for Samples Taken:
nd = unknown/not recorded
diss = dissolved samples
diss+part = dissolved and particulate samples
unfilt = unfiltered seawater
filter = filter for particulates
none = none
attribute NC_GLOBAL awards_0_award_nid String 54753
attribute NC_GLOBAL awards_0_award_number String OCE-0926423
attribute NC_GLOBAL awards_0_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=0926423 (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 Donald L. Rice
attribute NC_GLOBAL awards_0_program_manager_nid String 51467
attribute NC_GLOBAL awards_1_award_nid String 54938
attribute NC_GLOBAL awards_1_award_number String OCE-0926092
attribute NC_GLOBAL awards_1_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=0926092 (external link)
attribute NC_GLOBAL awards_1_funder_name String NSF Division of Ocean Sciences
attribute NC_GLOBAL awards_1_funding_acronym String NSF OCE
attribute NC_GLOBAL awards_1_funding_source_nid String 355
attribute NC_GLOBAL awards_1_program_manager String Donald L. Rice
attribute NC_GLOBAL awards_1_program_manager_nid String 51467
attribute NC_GLOBAL cdm_data_type String Other
attribute NC_GLOBAL comment String Version: 25 July 2011
PIs: Jenkins, et al
KN199-04 Scientific Sampling Event Log
14 Feb 2013: added missing GEOTRACES sample # for event 2215.
22 Feb 2013: added missing station number for event # 2083
(stn 5 according to comment).
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 2011-06-01T12:26:16Z
attribute NC_GLOBAL date_modified String 2020-03-25T17:48:58Z
attribute NC_GLOBAL defaultDataQuery String &time<now
attribute NC_GLOBAL doi String 10.26008/1912/bco-dmo.3485.3
attribute NC_GLOBAL Easternmost_Easting double -9.66
attribute NC_GLOBAL geospatial_lat_max double 38.33641
attribute NC_GLOBAL geospatial_lat_min double 17.3367
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -9.66
attribute NC_GLOBAL geospatial_lon_min double -24.6116
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL geospatial_vertical_max double 1500.0
attribute NC_GLOBAL geospatial_vertical_min double 0.0
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/3485 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL keywords String bco, bco-dmo, biological, chemical, comment, data, dataset, date, date_end, date_start, depth, depth_max, depth_min, description, dmo, end, erddap, event, event_description, geotraces, GEOTRACES_ID_Num_Range, latitude, longitude, management, num, oceanography, office, preliminary, range, samples, samples_taken, start, taken, time, time_end, time_start
attribute NC_GLOBAL license String https://www.bco-dmo.org/dataset/3485/license (external link)
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/3485 (external link)
attribute NC_GLOBAL Northernmost_Northing double 38.33641
attribute NC_GLOBAL param_mapping String {'3485': {'lat': 'flag - latitude', 'lon': 'flag - longitude', 'depth_min': 'flag - depth'}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/3485/parameters (external link)
attribute NC_GLOBAL people_0_affiliation String Woods Hole Oceanographic Institution
attribute NC_GLOBAL people_0_affiliation_acronym String WHOI
attribute NC_GLOBAL people_0_person_name String William J. Jenkins
attribute NC_GLOBAL people_0_person_nid String 50745
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 Massachusetts Institute of Technology
attribute NC_GLOBAL people_1_affiliation_acronym String MIT
attribute NC_GLOBAL people_1_person_name String Edward A. Boyle
attribute NC_GLOBAL people_1_person_nid String 50984
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 Old Dominion University
attribute NC_GLOBAL people_2_affiliation_acronym String ODU
attribute NC_GLOBAL people_2_person_name String Gregory Cutter
attribute NC_GLOBAL people_2_person_nid String 50679
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 Woods Hole Oceanographic Institution
attribute NC_GLOBAL people_3_affiliation_acronym String WHOI
attribute NC_GLOBAL people_3_person_name String William J. Jenkins
attribute NC_GLOBAL people_3_person_nid String 50745
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 Stephen R. Gegg
attribute NC_GLOBAL people_4_person_nid String 50910
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 U.S. GEOTRACES NAT
attribute NC_GLOBAL projects_0_acronym String U.S. GEOTRACES NAT
attribute NC_GLOBAL projects_0_description String Much of this text appeared in an article published in OCB News, October 2008, by the OCB Project Office.
The first U.S. GEOTRACES Atlantic Section will be specifically centered around a sampling cruise to be carried out in the North Atlantic in 2010. Ed Boyle (MIT) and Bill Jenkins (WHOI) organized a three-day planning workshop that was held September 22-24, 2008 at the Woods Hole Oceanographic Institution. The main goal of the workshop, sponsored by the National Science Foundation and the U.S. GEOTRACES Scientific Steering Committee, was to design the implementation plan for the first U.S. GEOTRACES Atlantic Section. The primary cruise design motivation was to improve knowledge of the sources, sinks and internal cycling of Trace Elements and their Isotopes (TEIs) by studying their distributions along a section in the North Atlantic (Figure 1). The North Atlantic has the full suite of processes that affect TEIs, including strong meridional advection, boundary scavenging and source effects, aeolian deposition, and the salty Mediterranean Outflow. The North Atlantic is particularly important as it lies at the "origin" of the global Meridional Overturning Circulation.
It is well understood that many trace metals play important roles in biogeochemical processes and the carbon cycle, yet very little is known about their large-scale distributions and the regional scale processes that affect them. Recent advances in sampling and analytical techniques, along with advances in our understanding of their roles in enzymatic and catalytic processes in the open ocean provide a natural opportunity to make substantial advances in our understanding of these important elements. Moreover, we are motivated by the prospect of global change and the need to understand the present and future workings of the ocean's biogeochemistry. The GEOTRACES strategy is to measure a broad suite of TEIs to constrain the critical biogeochemical processes that influence their distributions. In addition to these "exotic" substances, more traditional properties, including macronutrients (at micromolar and nanomolar levels), CTD, bio-optical parameters, and carbon system characteristics will be measured. The cruise starts at Line W, a repeat hydrographic section southeast of Cape Cod, extends to Bermuda and subsequently through the North Atlantic oligotrophic subtropical gyre, then transects into the African coast in the northern limb of the coastal upwelling region. From there, the cruise goes northward into the Mediterranean outflow. The station locations shown on the map are for the "fulldepth TEI" stations, and constitute approximately half of the stations to be ultimately occupied.
Figure 1. The proposed 2010 Atlantic GEOTRACES cruise track plotted on dissolved oxygen at 400 m depth. Data from the World Ocean Atlas (Levitus et al., 2005) were plotted using Ocean Data View (courtesy Reiner Schlitzer). [click on the image to view a larger version]
Hydrography, CTD and nutrient measurements will be supported by the Ocean Data Facility (J. Swift) at Scripps Institution of Oceanography and funded through NSF Facilities. They will be providing an additional CTD rosette system along with nephelometer and LADCP. A trace metal clean Go-Flo Rosette and winch will be provided by the group at Old Dominion University (G. Cutter) along with a towed underway pumping system.
The North Atlantic Transect cruise began in 2010 with KN199 leg 4 (station sampling) and leg 5 (underway sampling only) (Figure 2).
KN199-04 Cruise Report (PDF)
Figure 2. The red line shows the cruise track for the first leg of the US Geotraces North Atlantic Transect on the R/V Knorr in October 2010.  The rest of the stations (beginning with 13) will be completed in October-December 2011 on the R/V Knorr (courtesy of Bill Jenkins, Chief Scientist, GNAT first leg). [click on the image to view a larger version]
The section completion effort resumed again in November 2011 with KN204-01A,B (Figure 3).
KN204-01A,B Cruise Report (PDF)
Figure 3. Station locations occupied on the US Geotraces North Atlantic Transect on the R/V Knorr in November 2011.  [click on the image to view a larger version]
Data from the North Atlantic Transect cruises are available under the Datasets heading below, and consensus values for the SAFe and North Atlantic GEOTRACES Reference Seawater Samples are available from the GEOTRACES Program Office: Standards and Reference Materials
ADCP data are available from the Currents ADCP group at the University of Hawaii at the links below:KN199-04   (leg 1 of 2010 cruise; Lisbon to Cape Verde)KN199-05   (leg 2 of 2010 cruise; Cape Verde to Charleston, NC)KN204-01A (part 1 of 2011 cruise; Woods Hole, MA to Bermuda)KN204-01B (part 2 of 2011 cruise; Bermuda to Cape Verde)
attribute NC_GLOBAL projects_0_end_date String 2013-08
attribute NC_GLOBAL projects_0_geolocation String Subtropical western and eastern North Atlantic Ocean
attribute NC_GLOBAL projects_0_name String U.S. GEOTRACES North Atlantic Transect
attribute NC_GLOBAL projects_0_project_nid String 2066
attribute NC_GLOBAL projects_0_project_website String http://www.geotraces.org/ (external link)
attribute NC_GLOBAL projects_0_start_date String 2010-10
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 17.3367
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v55
attribute NC_GLOBAL summary String Scientific sampling event log associated with the US GEOTRACES North Atlantic Transect from the R/V Knorr KN199-04 cruise in the subtropical N. Atlantic during 2010 (U.S. GEOTRACES NAT project).
attribute NC_GLOBAL title String Scientific sampling event log associated with the US GEOTRACES North Atlantic Transect from the R/V Knorr KN199-04 cruise in the subtropical N. Atlantic during 2010 (U.S. GEOTRACES NAT project)
attribute NC_GLOBAL version String 3
attribute NC_GLOBAL Westernmost_Easting double -24.6116
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.3
variable event   short  
attribute event _FillValue short 32767
attribute event actual_range short 2001, 2225
attribute event bcodmo_name String event
attribute event description String event number
attribute event long_name String Event
attribute event nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/EVTAGFL/ (external link)
attribute event units String integer
variable location   String  
attribute location bcodmo_name String Site_Desig
attribute location description String location descriptor (typically station id)
attribute location long_name String Location
attribute location units String text
variable event_description   String  
attribute event_description bcodmo_name String ev_type
attribute event_description description String Code Event descripton
nd unknown/not entered
GT-C GEOTRACES carousel
30-ODF 30L Niskin Rosette
GeoF Geo's fish
RaPUW Radium UW pump
MITv2 MIT-vane
UAFv UAF-vane
KnoR Knorr rosette
MastUp NASA solar reference mast UP
MastDown NASA solar reference mast DOWN
McL-Ros McLane pump rosette
McL-Prof McLane pump profile
Aeros Aerosol sampler
AOP Apparent Optical Properties cast
NASAsurf NASA surface pump water sample
NEMO NEMO Float Deployment
Ra/Th/Pig Ra/Th/Pigment Niskin Cast
attribute event_description long_name String Event Description
attribute event_description units String text
variable GEOTRACES_ID_Num_Range   String  
attribute GEOTRACES_ID_Num_Range bcodmo_name String sample
attribute GEOTRACES_ID_Num_Range description String GEOTRACES ID Number and Range
attribute GEOTRACES_ID_Num_Range long_name String GEOTRACES ID Num Range
attribute GEOTRACES_ID_Num_Range nerc_identifier String https://vocab.nerc.ac.uk/collection/P02/current/ACYC/ (external link)
attribute GEOTRACES_ID_Num_Range units String text
variable date_start   int  
attribute date_start _FillValue int 2147483647
attribute date_start actual_range int 20101015, 20101103
attribute date_start bcodmo_name String date_begin
attribute date_start description String Start date (GMT) in the format YYYYMMDD
attribute date_start long_name String Date Start
attribute date_start units String unitless
variable time_start   String  
attribute time_start bcodmo_name String time_start
attribute time_start description String Start time (GMT)
attribute time_start long_name String Time Start
attribute time_start units String HHMM
variable date_end   int  
attribute date_end _FillValue int 2147483647
attribute date_end actual_range int 18991230, 20101103
attribute date_end bcodmo_name String date_end
attribute date_end description String End date (GMT) in the format YYYYMMDD
attribute date_end long_name String Date End
attribute date_end units String unitless
variable time_end   String  
attribute time_end bcodmo_name String time_end
attribute time_end description String End time (GMT)
attribute time_end long_name String Time End
attribute time_end units String HHMM
variable latitude   double  
attribute latitude _CoordinateAxisType String Lat
attribute latitude _FillValue double NaN
attribute latitude actual_range double 17.3367, 38.33641
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 longitude   double  
attribute longitude _CoordinateAxisType String Lon
attribute longitude _FillValue double NaN
attribute longitude actual_range double -24.6116, -9.66
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 depth   double  
attribute depth _CoordinateAxisType String Height
attribute depth _CoordinateZisPositive String down
attribute depth _FillValue double NaN
attribute depth actual_range double 0.0, 1500.0
attribute depth axis String Z
attribute depth bcodmo_name String depth_min
attribute depth colorBarMaximum double 8000.0
attribute depth colorBarMinimum double -8000.0
attribute depth colorBarPalette String TopographyDepth
attribute depth description String Minimum depth
attribute depth ioos_category String Location
attribute depth long_name String Depth
attribute depth positive String down
attribute depth standard_name String depth
attribute depth units String m
variable depth_max   float  
attribute depth_max _FillValue float NaN
attribute depth_max actual_range float 1.0, 4900.0
attribute depth_max bcodmo_name String depth_max
attribute depth_max colorBarMaximum double 8000.0
attribute depth_max colorBarMinimum double -8000.0
attribute depth_max colorBarPalette String TopographyDepth
attribute depth_max description String Maximum depth
attribute depth_max long_name String Depth
attribute depth_max standard_name String depth
attribute depth_max units String meters
variable samples_taken   String  
attribute samples_taken bcodmo_name String sample_descrip
attribute samples_taken description String Code Samples Taken
nd unknown/not recorded
diss dissolved samples
diss+part dissolved and particulate samples
unfilt unfiltered seawater
filter filter for particulates
none none
attribute samples_taken long_name String Samples Taken
attribute samples_taken units String text
variable comment   String  
attribute comment bcodmo_name String comment
attribute comment description String Event comment
attribute comment long_name String Comment
attribute comment units String text

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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