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   set  data   graph     files  public [event_log] - Scientific sampling event log in the CoFeMUG cruise from R/V Knorr KN192-05 in
the South Atlantic subtropical gyre and Benguela upwelling region (CoFeMUG project) (Cobalt,
Iron and Micro-organisms from the Upwelling zone to the Gyre) 		   ?   F   I   M   background (external link) RSS Subscribe BCO-DMO bcodmo_dataset_3096

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 Shipboard sampling events were logged in two separate Excel spreadsheets, one
for the CTD/Niskin bottle rosette package and a second for the Trace Metal
(TM) rosette package.
attribute NC_GLOBAL awards_0_award_nid String 54681
attribute NC_GLOBAL awards_0_award_number String OCE-0452883
attribute NC_GLOBAL awards_0_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=0452883 (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 cdm_data_type String Other
attribute NC_GLOBAL comment String version 23 September 2009
(previous version 28 March 2009)

PI: Mak Saito (WHOI)

KN192-5 scientific sampling events

DMO notes: includes sufficient metadata to support Ocean Data View format
TMR cast notes abbreviated from original TMR log
time data are all GMT
note: TMR time is max Depth, depth at which bottle 1 fired
CTD time is start of cast
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 2010-06-16T20:40:39Z
attribute NC_GLOBAL date_modified String 2020-03-25T17:37:41Z
attribute NC_GLOBAL defaultDataQuery String &time<now
attribute NC_GLOBAL doi String 10.26008/1912/bco-dmo.3096.2
attribute NC_GLOBAL Easternmost_Easting double 14.671
attribute NC_GLOBAL geospatial_lat_max double -11.0
attribute NC_GLOBAL geospatial_lat_min double -25.004
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double 14.671
attribute NC_GLOBAL geospatial_lon_min double -30.0
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL infoUrl String https://www.bco-dmo.org/dataset/3096 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL keywords String activities, activities_and_comments, bco, bco-dmo, biological, cast, chemical, code, comments, cruise, Cruise_ID, data, dataset, date, day, dmo, erddap, ev_code, ev_type, event, latitude, lon_360, longitude, management, monthly, oceanography, office, preliminary, seafloor, sta, time, time2, time_L, type, year
attribute NC_GLOBAL license String https://www.bco-dmo.org/dataset/3096/license (external link)
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/3096 (external link)
attribute NC_GLOBAL Northernmost_Northing double -11.0
attribute NC_GLOBAL param_mapping String {'3096': {'lat': 'flag - latitude', 'lon': 'flag - longitude'}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/3096/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 Mak A. Saito
attribute NC_GLOBAL people_0_person_nid String 50985
attribute NC_GLOBAL people_0_role String Chief Scientist
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 Cynthia L. Chandler
attribute NC_GLOBAL people_1_person_nid String 50637
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 CoFeMUG
attribute NC_GLOBAL projects_0_acronym String CoFeMUG
attribute NC_GLOBAL projects_0_description String The geochemistries of dissolved cobalt (Co) and iron (Fe) in the oceanic water column share several characteristics such as extremely low concentrations, redox chemistry, low solubility,and utilization as micronutrients by marine microbes. Iron has been the subject of considerable research focus in recent years due to its role in limiting phytoplankton productivity in oceanic and coastal upwelling environments. Cobalt has been much less studied, but recent data show it may be important in influencing primary productivity or phytoplankton community composition in certain geographical areas.
The CoFeMUG project predated GEOTRACES, so while it is not formally recognized as a GEOTRACES section, it is considered a GEOTRACES-related project and the CoFeMUG data are GEOTRACES compliant.
State-of-the-art geochemical and molecular biological techniques were used to address biogeochemical questions in the South Atlantic, and focus especially on the two trace metals, cobalt and iron. The 27-day cruise in November and December 2007 to the South Atlantic was designed to study cobalt and iron biogeochemistry and focus on four major hypotheses.
(1) Large fluxes of labile cobalt are associated with upwelling systems even in Aeolian dominated environments.
(2) Cobalt and phosphate show correlations in (and only in) surface waters due to micronutrient utilization and rapid remineralization. The slope of the correlation is dependent on the chemical speciation of cobalt.
(3) The absence of Trichodesmium populations in the subtropical and tropical South Atlantic is caused by iron limitation.
(4) Based on work from the California and Peru Upwelling regimes, primary productivity in the Benguela upwelling regime off of South West Africa may be iron limited or iron-cobalt colimited.
A combination of geochemical and biological/molecular analyses were made across an oligotrophic-upwelling transition to examine how changing metal regimes affect the physiology and growth of the important primary producers Trichodesmium and Synechococcus.
CoFeMUG project results are published in:
Noble, Abigail E., Carl H. Lamborg, Dan C. Ohnemus, Phoebe J. Lam, Tyler J. Goepfert, Chris I. Measures, Caitlin H. Frame, Karen L. Casciotti, Giacomo R. DiTullio, Joe Jennings, and Mak A. Saito (2012) Basin-scale inputs of cobalt, iron, and manganese from the Benguela-Angola front to the South Atlantic Ocean. Limnology & Oceanography. Vol. 57(4), July 2012. pgs 989-1010. doi:10.4319/lo.2012.57.4.0989 (www.aslo.org/lo/toc/vol_57/issue_4/0989.pdf)
attribute NC_GLOBAL projects_0_end_date String 2008-03
attribute NC_GLOBAL projects_0_geolocation String South Atlantic subtropical gyre and Benguela upwelling region
attribute NC_GLOBAL projects_0_name String Cobalt, Iron and Micro-organisms from the Upwelling zone to the Gyre
attribute NC_GLOBAL projects_0_project_nid String 2067
attribute NC_GLOBAL projects_0_start_date String 2005-03
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 -25.004
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v55
attribute NC_GLOBAL subsetVariables String Cruise_ID,year
attribute NC_GLOBAL summary String Scientific sampling event log in the CoFeMUG cruise from R/V Knorr KN192-05 in the South Atlantic subtropical gyre and Benguela upwelling region.
attribute NC_GLOBAL title String [event_log] - Scientific sampling event log in the CoFeMUG cruise from R/V Knorr KN192-05 in the South Atlantic subtropical gyre and Benguela upwelling region (CoFeMUG project) (Cobalt, Iron and Micro-organisms from the Upwelling zone to the Gyre)
attribute NC_GLOBAL version String 2
attribute NC_GLOBAL Westernmost_Easting double -30.0
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.3
variable Cruise_ID   String  
attribute Cruise_ID bcodmo_name String cruise_id
attribute Cruise_ID description String cruise iedntifier
attribute Cruise_ID long_name String Cruise ID
attribute Cruise_ID units String dimensionless
variable event   int  
attribute event _FillValue int 2147483647
attribute event actual_range int 11180853, 12111150
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 dimensionless
variable sta   byte  
attribute sta _FillValue byte 127
attribute sta actual_range byte 1, 27
attribute sta bcodmo_name String sta
attribute sta description String station number; generally sequential; a number designating a general geographic location at which one or more sampling activities may occur
attribute sta long_name String Sta
attribute sta units String dimensionless
variable cast   byte  
attribute cast _FillValue byte 127
attribute cast actual_range byte 1, 57
attribute cast bcodmo_name String cast
attribute cast description String cast number
attribute cast long_name String Cast
attribute cast units String dimensionless
variable date   int  
attribute date _FillValue int 2147483647
attribute date actual_range int 20071118, 20071211
attribute date bcodmo_name String date
attribute date description String start date of event (GMT)
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 dimensionless
variable year   short  
attribute year _FillValue short 32767
attribute year actual_range short 2007, 2007
attribute year bcodmo_name String year
attribute year description String year of start date of event (GMT)
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 dimensionless
variable mon   byte  
attribute mon _FillValue byte 127
attribute mon actual_range byte 11, 12
attribute mon bcodmo_name String month
attribute mon description String month of year; numeric 1 to 12
attribute mon long_name String Mon
attribute mon nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/MNTHXXXX/ (external link)
attribute mon units String dimensionless
variable day   byte  
attribute day _FillValue byte 127
attribute day actual_range byte 1, 30
attribute day bcodmo_name String day
attribute day description String day of month sampling began (GMT); numeric 1 to 31
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 dimensionless
variable time2   String  
attribute time2 bcodmo_name String time
attribute time2 description String time of day sampling began; reported in GMT as HHMM (hours and minutes)
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 dimensionless
variable time_L   String  
attribute time_L bcodmo_name String time_local
attribute time_L description String time of day sampling began; reported in local time as HHMM (hours and minutes) adjusted for local time zone
attribute time_L long_name String Time L
attribute time_L units String dimensionless
variable TZ   byte  
attribute TZ _FillValue byte 127
attribute TZ actual_range byte -2, 1
attribute TZ bcodmo_name String timezone
attribute TZ description String timezone; the number of hours added to GMT to convert to local time (opposite of GLOBEC convention)
attribute TZ long_name String TZ
attribute TZ units String dimensionless
variable lon_360   float  
attribute lon_360 _FillValue float NaN
attribute lon_360 actual_range float 2.5, 360.0
attribute lon_360 bcodmo_name String lon_360
attribute lon_360 colorBarMaximum double 180.0
attribute lon_360 colorBarMinimum double -180.0
attribute lon_360 description String longitude, from 0 to 360 decimal degrees
attribute lon_360 long_name String Longitude
attribute lon_360 standard_name String longitude
attribute lon_360 units String decimal degrees
variable longitude   double  
attribute longitude _CoordinateAxisType String Lon
attribute longitude _FillValue double NaN
attribute longitude actual_range double -30.0, 14.671
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, in decimal degrees, East is positive, negative denotes West
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 -25.004, -11.0
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, in decimal degrees, North is positive, negative denotes South
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 ev_code   String  
attribute ev_code bcodmo_name String event code
attribute ev_code description String event code; event type plus sequential number
attribute ev_code long_name String Ev Code
attribute ev_code units String dimensionless
variable ev_type   String  
attribute ev_type bcodmo_name String ev_type
attribute ev_type description String event type; CTD or Trace metal (TMR)
attribute ev_type long_name String Ev Type
attribute ev_type units String dimensionless
variable seafloor   short  
attribute seafloor _FillValue short 32767
attribute seafloor actual_range short 120, 5534
attribute seafloor bcodmo_name String depth_bottom
attribute seafloor description String depth of the seafloor; water depth from the shipboard 12 kHz Knudsen echosounder
attribute seafloor long_name String Seafloor
attribute seafloor units String meters
variable activities_and_comments   String  
attribute activities_and_comments bcodmo_name String activity_and_comments
attribute activities_and_comments description String activities, comments, notes pertaining to event
attribute activities_and_comments long_name String Activities And Comments
attribute activities_and_comments units String dimensionless

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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