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     data   graph     files  public The fraction of water last ventilated in a given region in a time less than or equal to 39
years ago based on samples collected from R/V Knorr cruises KN199-04 and KN204-01 during 2010-
2011
   ?         M   background (external link) RSS Subscribe BCO-DMO bcodmo_dataset_810838

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 A maximum-entropy inversion technique was applied to CFC and SF6 measurements
made on the U.S. GEOTRACES North Atlantic Transect, and radiocarbon
concentrations interpolated to sample locations along the transact from
gridded data reported in the GLODAP data compilation, to determine mean ages
and source water compositions of each water sample. Details are described in
Holzer et al. (2018).

See the attached README file (GA03_transit-time_partitioned_water-
mass_fractions_v2_README.pdf) for more information on methods and a\u00a0map
of region locations.
attribute NC_GLOBAL awards_0_award_nid String 55011
attribute NC_GLOBAL awards_0_award_number String OCE-0928612
attribute NC_GLOBAL awards_0_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=0928612 (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 810648
attribute NC_GLOBAL awards_1_award_number String OCE-1132545
attribute NC_GLOBAL awards_1_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1132545 (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 awards_2_award_nid String 810653
attribute NC_GLOBAL awards_2_award_number String OCE-1332834
attribute NC_GLOBAL awards_2_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1332834 (external link)
attribute NC_GLOBAL awards_2_funder_name String NSF Division of Ocean Sciences
attribute NC_GLOBAL awards_2_funding_acronym String NSF OCE
attribute NC_GLOBAL awards_2_funding_source_nid String 355
attribute NC_GLOBAL awards_2_program_manager String Dr Baris M. Uz
attribute NC_GLOBAL awards_2_program_manager_nid String 713922
attribute NC_GLOBAL cdm_data_type String Other
attribute NC_GLOBAL comment String Water Mass Fractions - less than or equal to 39 years ago
PI: William M. Smethie Jr. (LDEO)
Co-PIs: Mark Holzer & Yu-Heng Ting (UNSW)
Version date: 07-May-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 2020-05-07T18:54:19Z
attribute NC_GLOBAL date_modified String 2020-05-27T17:07:15Z
attribute NC_GLOBAL defaultDataQuery String &time<now
attribute NC_GLOBAL doi String 10.26008/1912/bco-dmo.810838.1
attribute NC_GLOBAL Easternmost_Easting double -9.662
attribute NC_GLOBAL geospatial_lat_max double 39.701
attribute NC_GLOBAL geospatial_lat_min double 17.351
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -9.662
attribute NC_GLOBAL geospatial_lon_min double -69.827
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL geospatial_vertical_max double 5840.698619
attribute NC_GLOBAL geospatial_vertical_min double 4.770346113
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/810838 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL keywords String age, aong, AONG_Fraction, AONG_Fraction_Uncert, bco, bco-dmo, biological, bottle, cast, Cast_No, chemical, cruise, Cruise_ID, data, dataset, date, depth, distance, Distance_East, dmo, east, erddap, fraction, ideal, Ideal_Mean_Age, Ideal_Mean_Age_Uncert, latitude, lbir, LBIR_Fraction, LBIR_Fraction_Uncert, longitude, management, mean, med, MED_Fraction, MED_Fraction_Uncert, naad, NAAD_Fraction, NAAD_Fraction_Uncert, oceanography, office, OTHER_Fraction, OTHER_Fraction_Uncert, preliminary, saad, SAAD_Fraction, SAAD_Fraction_Uncert, sample, Sample_Bottle, spna, SPNA_Fraction, SPNA_Fraction_Uncert, station, Station_No, stna, STNA_Fraction, STNA_Fraction_Uncert, uncert
attribute NC_GLOBAL license String https://www.bco-dmo.org/dataset/810838/license (external link)
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/810838 (external link)
attribute NC_GLOBAL Northernmost_Northing double 39.701
attribute NC_GLOBAL param_mapping String {'810838': {'Latitude': 'flag - latitude', 'Depth': 'flag - depth', 'Longitude': 'flag - longitude'}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/810838/parameters (external link)
attribute NC_GLOBAL people_0_affiliation String Lamont-Doherty Earth Observatory
attribute NC_GLOBAL people_0_affiliation_acronym String LDEO
attribute NC_GLOBAL people_0_person_name String William M. Smethie Jr.
attribute NC_GLOBAL people_0_person_nid String 51554
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 University of New South Wales
attribute NC_GLOBAL people_1_affiliation_acronym String UNSW
attribute NC_GLOBAL people_1_person_name String Mark Holzer
attribute NC_GLOBAL people_1_person_nid String 810670
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 University of New South Wales
attribute NC_GLOBAL people_2_affiliation_acronym String UNSW
attribute NC_GLOBAL people_2_person_name String Yu-Heng Ting
attribute NC_GLOBAL people_2_person_nid String 810671
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 New South Wales
attribute NC_GLOBAL people_3_affiliation_acronym String UNSW
attribute NC_GLOBAL people_3_person_name String Mark Holzer
attribute NC_GLOBAL people_3_person_nid String 810670
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 Shannon Rauch
attribute NC_GLOBAL people_4_person_nid String 51498
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,GT NAT CFC and SF6,GT NAT RAPID CFC SF6,DWBC Obs Line W
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 projects_1_acronym String GT NAT CFC and SF6
attribute NC_GLOBAL projects_1_description String NSF Award Abstract:
This award is funded under the American Recovery and Reinvestment Act of 2009 (Public Law 111-5). The objectives of the GEOTRACES program are: 1) to determine the global distributions of selected trace elements and isotopes and evaluate the sources, sinks and internal cycling of these species to better understand the physical, chemical and biological processes regulating their distributions, 2) to develop an understanding of the processes involved in oceanic trace element cycles sufficiently well that the response of these cycles to global change can be predicted and their impact on the carbon cycle and climate understood, and 3) to understand the processes that control the concentrations of geochemical species used for proxies of the past environment, both in the water column and in the substrates that reflect the water column.
Understanding how the physical processes of advection, mixing, and water mass formation affect the distributions of trace elements and isotopes is critical to meeting these objectives. The evolving CFC and SF6 distributions in the ocean provide strong constraints on these processes. CFCs have been measured extensively in the global ocean for the past two and a half decades as part of several large scale oceanographic programs (e.g. SAVE, WOCE, CLIVAR) as well as many smaller programs and SF6 has become a standard measurement on the CLIVAR cruises. Measurement of CFCs and SF6 on the GEOTRACES program places the GEOTRACES data in the context of large scale ventilation patterns established by CFC/SF6 measurements on these cruises.
In this project, researchers at the Lamont-Dougherty Earth Observatory of Columbia University will measure the CFC-11, CFC-12 and SF6 distributions along the US GEOTRACES North Atlantic cruise track. They will use these data to identify the most recently ventilated cores of the North Atlantic water masses, to estimate transit times of these water masses from their source regions, and to estimate oxygen consumption rates and rates of production or decomposition of selected trace elements measured on this program using the transit time information.
Broader Impacts: In addition to providing information on ventilation and transit times for the GEOTRACES project, the CFC and SF6 data collected on this cruise will also expand the transient tracer data base for the North Atlantic Ocean. The data will be disseminated widely to the research community following NSF guidelines. Several CLIVAR cruises to the North Atlantic are planned for the 2010 - 2012 time period, and the GEOTRACES cruise will increase the coverage for CFCs and SF6. This database of the temporally evolving CFC and SF6 concentrations in the North Atlantic Ocean is used in studies of the earth's climate and the ocean's role in the earth's climate and the global CO2 cycle. It is used to validate models of ocean circulation and to quantify the uptake and storage of anthropogenic CO2 in the ocean.
attribute NC_GLOBAL projects_1_end_date String 2012-11
attribute NC_GLOBAL projects_1_name String U.S. GEOTRACES North Atlantic Section: CFC and SF6 Measurements
attribute NC_GLOBAL projects_1_project_nid String 810643
attribute NC_GLOBAL projects_1_start_date String 2009-12
attribute NC_GLOBAL projects_2_acronym String GT NAT RAPID CFC SF6
attribute NC_GLOBAL projects_2_description String NSF Award Abstract:
The U.S. GEOTRACES North Atlantic campaign cruise was launched from Lisbon on the R/V/ Knorr in October, 2010. Unfortunately, in mid-course, a problem with the propulsion system developed, and the cruise had to be aborted. The Knorr went to a shipyard in Charleston, SC for repairs where scientific equipment and samples were offloaded there and shipped back to the various home institutions of the various scientists.
This project addresses the efforts of one investigator originally funded through an ARRA award to participate in the North Atlantic campaign -- to resume a set of essential observations when the field program resumes in November, 2011.
With support through a Grant for Rapid Response Research (RAPID), a research team at the Lamont-Dougherty earth Observatory will measure the CFC-11, CFC-12 and SF6 distributions along the autumn 2011 continuation of the previously aborted US GEOTRACES North Atlantic transect. They will use these data to identify the most recently ventilated cores of the North Atlantic water masses, to estimate transit times of these water masses from their source regions, and to estimate oxygen consumption rates and rates of production or decomposition of selected trace elements measured on this program using the transit time information. Such measurements are critically important to understanding how the physical processes of advection, mixing, and water mass formation affect the distributions of trace elements and isotopes in the ocean. The evolving CFC and SF6 distributions in the ocean provide strong constraints on these processes. Measurement of CFCs and SF6 on the GEOTRACES program places the GEOTRACES data in the context of large scale ventilation patterns established by CFC/SF6 measurements on these cruises.
Broader Impacts. In addition to providing information on ventilation and transit times for the GEOTRACES project, the CFC and SF6 data collected on this cruise will also expand the transient tracer data base for the North Atlantic Ocean. The data will be disseminated widely to the research community following NSF guidelines. Several CLIVAR cruises to the North Atlantic are planned for the 2010 - 2012 time period, and the GEOTRACES cruise will increase the coverage for CFCs and SF6. This database of the temporally evolving CFC and SF6 concentrations in the North Atlantic Ocean is used in studies of the role of the ocean in global climate and the global CO2 cycle. It is used to validate models of ocean circulation and to quantify the uptake and storage of anthropogenic CO2 in the ocean. Such information is critical for society to make sound decisions on policies to deal with climate change.
attribute NC_GLOBAL projects_2_end_date String 2013-06
attribute NC_GLOBAL projects_2_name String RAPID: Continuation of U.S. GEOTRACES North Atlantic Section: CFC and SF6 Measurements
attribute NC_GLOBAL projects_2_project_nid String 810649
attribute NC_GLOBAL projects_2_start_date String 2011-07
attribute NC_GLOBAL projects_3_acronym String DWBC Obs Line W
attribute NC_GLOBAL projects_3_description String NSF Award Abstract:
Overview: Over the last decade, a growing international research effort has focused attention on the physical state of the Atlantic Meridional Overturning Circulation (AMOC), including its climatically-vital transports of heat, mass and tracers, and the causes and consequences of its variability. Begun in 2004, the Line W program - moored and shipboard measurements of the equatorward-flowing Deep Western Boundary Current (DWBC) and poleward-flowing Gulf Stream along an altimeter track between New England and Bermuda has acquired a remarkable 10-year time series of this component of the AMOC. The goals of this project are to conduct a final Line W cruise to recover the current meter array presently in the water and reoccupy the hydrographic section, to process the recovered sensor data to final form and refurbish the sea-going equipment, and to complete the scientific analysis of the Line W data set in conjunction with fellow AMOC investigators.
Intellectual Merit: Property and transport time series generated by several AMOC programs are now approaching or exceeding a decade in length and are starting to provide truly unprecedented views of the AMOC's structure, strength and variability. Synthesizing these results and combining them with state estimate models will undoubtedly result in improved understanding of the mechanics, dynamics and impacts of AMOC variability. Key foci of this project's analysis effort include careful quantification of the local variability at Line W, estimating variations in net (coast-to-coast) meridional transport of selected water masses by combining Line W observations with interior-ocean data and via models, and investigating the meridional coherence of water property anomalies and AMOC fluctuations by comparing Line-W observations with water property observations and AMOC estimates at other latitudes.
Broader Impacts: A graduate student in the MIT/WHOI Joint Program will be funded to complete her Ph.D. thesis that will be based on Line W. As in past years, several students and/or postdocs will be involved in the final Line W cruise to gain hands-on experience with hydrographic sampling procedures and physical oceanographic mooring work. In this analysis and synthesis project, the original Line W investigators are entraining a new junior scientist into the research effort. This will introduce the investigator to new observational practices and associated data reduction and analysis procedures while bringing new expertise and viewpoints to the study. It is absolutely critical to observational physical oceanography that young investigators become fully versed in modern observational methods. The project's investigators will additionally continue to showcase Line W in public outreach events as a demonstration of ocean science and climate variation studies. Beyond these human elements, the Line W program is continuing to serve as a testbed for several emerging ocean measurement technologies and associated data processing procedures.
attribute NC_GLOBAL projects_3_end_date String 2018-02
attribute NC_GLOBAL projects_3_name String Collaborative Research: Completing a 10-Year Record of Deep Western Boundary Current Observations at Line W; A Contribution to the Atlantic Meridional Overturning Circulation Study
attribute NC_GLOBAL projects_3_project_nid String 810654
attribute NC_GLOBAL projects_3_start_date String 2014-03
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 17.351
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v55
attribute NC_GLOBAL summary String Water mass fractions and ages calculated from hydrographic and tracer data using a maximum-entropy inversion technique.\r\n\r\nThis dataset contains the fraction of water last ventilated in a given region in a time less than or equal to 39 years ago as well as the corresponding ensemble standard deviations.
attribute NC_GLOBAL title String The fraction of water last ventilated in a given region in a time less than or equal to 39 years ago based on samples collected from R/V Knorr cruises KN199-04 and KN204-01 during 2010-2011
attribute NC_GLOBAL version String 1
attribute NC_GLOBAL Westernmost_Easting double -69.827
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.5
variable LBIR_Fraction   double  
attribute LBIR_Fraction _FillValue double NaN
attribute LBIR_Fraction actual_range double 0.0, 0.223205281
attribute LBIR_Fraction bcodmo_name String unknown
attribute LBIR_Fraction colorBarMaximum double 1.0
attribute LBIR_Fraction colorBarMinimum double 0.0
attribute LBIR_Fraction description String fraction of water last ventilated in the LBIR region; LBIR = Labrador and Irminger Seas
attribute LBIR_Fraction long_name String LBIR Fraction
attribute LBIR_Fraction units String unitless (fraction)
variable LBIR_Fraction_Uncert   double  
attribute LBIR_Fraction_Uncert _FillValue double NaN
attribute LBIR_Fraction_Uncert actual_range double 0.0, 0.210984749
attribute LBIR_Fraction_Uncert bcodmo_name String unknown
attribute LBIR_Fraction_Uncert colorBarMaximum double 1.0
attribute LBIR_Fraction_Uncert colorBarMinimum double 0.0
attribute LBIR_Fraction_Uncert description String ensemble standard deviation of the LBIR_Fraction
attribute LBIR_Fraction_Uncert long_name String LBIR Fraction Uncert
attribute LBIR_Fraction_Uncert units String unitless (fraction)
variable AONG_Fraction   double  
attribute AONG_Fraction _FillValue double NaN
attribute AONG_Fraction actual_range double 0.0, 0.218390423
attribute AONG_Fraction bcodmo_name String unknown
attribute AONG_Fraction colorBarMaximum double 1.0
attribute AONG_Fraction colorBarMinimum double 0.0
attribute AONG_Fraction description String fraction of water last ventilated in the AONG region; AONG = Arctic Ocean, Greenland, and Norwegian Seas
attribute AONG_Fraction long_name String AONG Fraction
attribute AONG_Fraction units String unitless (fraction)
variable AONG_Fraction_Uncert   double  
attribute AONG_Fraction_Uncert _FillValue double NaN
attribute AONG_Fraction_Uncert actual_range double 0.0, 0.153912111
attribute AONG_Fraction_Uncert bcodmo_name String unknown
attribute AONG_Fraction_Uncert colorBarMaximum double 1.0
attribute AONG_Fraction_Uncert colorBarMinimum double 0.0
attribute AONG_Fraction_Uncert description String ensemble standard deviation of the AONG_Fraction
attribute AONG_Fraction_Uncert long_name String AONG Fraction Uncert
attribute AONG_Fraction_Uncert units String unitless (fraction)
variable SPNA_Fraction   double  
attribute SPNA_Fraction _FillValue double NaN
attribute SPNA_Fraction actual_range double 0.0, 0.654131355
attribute SPNA_Fraction bcodmo_name String unknown
attribute SPNA_Fraction colorBarMaximum double 1.0
attribute SPNA_Fraction colorBarMinimum double 0.0
attribute SPNA_Fraction description String fraction of water last ventilated in the SPNA region; SPNA = SubPolar North Atlantic
attribute SPNA_Fraction long_name String SPNA Fraction
attribute SPNA_Fraction units String unitless (fraction)
variable SPNA_Fraction_Uncert   double  
attribute SPNA_Fraction_Uncert _FillValue double NaN
attribute SPNA_Fraction_Uncert actual_range double 0.0, 0.299477416
attribute SPNA_Fraction_Uncert bcodmo_name String unknown
attribute SPNA_Fraction_Uncert colorBarMaximum double 1.0
attribute SPNA_Fraction_Uncert colorBarMinimum double 0.0
attribute SPNA_Fraction_Uncert description String ensemble standard deviation of the SPNA_Fraction
attribute SPNA_Fraction_Uncert long_name String SPNA Fraction Uncert
attribute SPNA_Fraction_Uncert units String unitless (fraction)
variable STNA_Fraction   double  
attribute STNA_Fraction _FillValue double NaN
attribute STNA_Fraction actual_range double 8.0358E-232, 0.960943071
attribute STNA_Fraction bcodmo_name String unknown
attribute STNA_Fraction colorBarMaximum double 1.0
attribute STNA_Fraction colorBarMinimum double 0.0
attribute STNA_Fraction description String fraction of water last ventilated in the STNA region; STNA = SubTropical North Atlantic
attribute STNA_Fraction long_name String STNA Fraction
attribute STNA_Fraction units String unitless (fraction)
variable STNA_Fraction_Uncert   double  
attribute STNA_Fraction_Uncert _FillValue double NaN
attribute STNA_Fraction_Uncert actual_range double 1.42831E-11, 0.32337596
attribute STNA_Fraction_Uncert bcodmo_name String unknown
attribute STNA_Fraction_Uncert colorBarMaximum double 1.0
attribute STNA_Fraction_Uncert colorBarMinimum double 0.0
attribute STNA_Fraction_Uncert description String ensemble standard deviation of the STNA_Fraction
attribute STNA_Fraction_Uncert long_name String STNA Fraction Uncert
attribute STNA_Fraction_Uncert units String unitless (fraction)
variable MED_Fraction   double  
attribute MED_Fraction _FillValue double NaN
attribute MED_Fraction actual_range double 0.0, 0.568748974
attribute MED_Fraction bcodmo_name String unknown
attribute MED_Fraction colorBarMaximum double 1.0
attribute MED_Fraction colorBarMinimum double 0.0
attribute MED_Fraction description String fraction of water last ventilated in the MED region; MED = Mediterranean Sea
attribute MED_Fraction long_name String MED Fraction
attribute MED_Fraction units String unitless (fraction)
variable MED_Fraction_Uncert   double  
attribute MED_Fraction_Uncert _FillValue double NaN
attribute MED_Fraction_Uncert actual_range double 0.0, 0.264279287
attribute MED_Fraction_Uncert bcodmo_name String unknown
attribute MED_Fraction_Uncert colorBarMaximum double 1.0
attribute MED_Fraction_Uncert colorBarMinimum double 0.0
attribute MED_Fraction_Uncert description String ensemble standard deviation of the MED_Fraction
attribute MED_Fraction_Uncert long_name String MED Fraction Uncert
attribute MED_Fraction_Uncert units String unitless (fraction)
variable NAAD_Fraction   double  
attribute NAAD_Fraction _FillValue double NaN
attribute NAAD_Fraction actual_range double 0.0, 0.282009515
attribute NAAD_Fraction bcodmo_name String unknown
attribute NAAD_Fraction colorBarMaximum double 1.0
attribute NAAD_Fraction colorBarMinimum double 0.0
attribute NAAD_Fraction description String fraction of water last ventilated in the NAAD region; NAAD = North of the Antarctic Divergence
attribute NAAD_Fraction long_name String NAAD Fraction
attribute NAAD_Fraction units String unitless (fraction)
variable NAAD_Fraction_Uncert   double  
attribute NAAD_Fraction_Uncert _FillValue double NaN
attribute NAAD_Fraction_Uncert actual_range double 0.0, 0.179120986
attribute NAAD_Fraction_Uncert bcodmo_name String unknown
attribute NAAD_Fraction_Uncert colorBarMaximum double 1.0
attribute NAAD_Fraction_Uncert colorBarMinimum double 0.0
attribute NAAD_Fraction_Uncert description String ensemble standard deviation of the NAAD_Fraction
attribute NAAD_Fraction_Uncert long_name String NAAD Fraction Uncert
attribute NAAD_Fraction_Uncert units String unitless (fraction)
variable SAAD_Fraction   double  
attribute SAAD_Fraction _FillValue double NaN
attribute SAAD_Fraction actual_range double 0.0, 0.071284188
attribute SAAD_Fraction bcodmo_name String unknown
attribute SAAD_Fraction colorBarMaximum double 1.0
attribute SAAD_Fraction colorBarMinimum double 0.0
attribute SAAD_Fraction description String fraction of water last ventilated in the SAAD region; SAAD = South of the Antarctic Divergence
attribute SAAD_Fraction long_name String SAAD Fraction
attribute SAAD_Fraction units String unitless (fraction)
variable SAAD_Fraction_Uncert   double  
attribute SAAD_Fraction_Uncert _FillValue double NaN
attribute SAAD_Fraction_Uncert actual_range double 0.0, 0.094796645
attribute SAAD_Fraction_Uncert bcodmo_name String unknown
attribute SAAD_Fraction_Uncert colorBarMaximum double 1.0
attribute SAAD_Fraction_Uncert colorBarMinimum double 0.0
attribute SAAD_Fraction_Uncert description String ensemble standard deviation of the SAAD_Fraction
attribute SAAD_Fraction_Uncert long_name String SAAD Fraction Uncert
attribute SAAD_Fraction_Uncert units String unitless (fraction)
variable OTHER_Fraction   double  
attribute OTHER_Fraction _FillValue double NaN
attribute OTHER_Fraction actual_range double 1.53743E-14, 1.0
attribute OTHER_Fraction bcodmo_name String unknown
attribute OTHER_Fraction colorBarMaximum double 1.0
attribute OTHER_Fraction colorBarMinimum double 0.0
attribute OTHER_Fraction description String fraction of water last ventilated in the OTHER region; OTHER = the rest of the global sea surface, exluding the other defined areas
attribute OTHER_Fraction long_name String OTHER Fraction
attribute OTHER_Fraction units String unitless (fraction)
variable OTHER_Fraction_Uncert   double  
attribute OTHER_Fraction_Uncert _FillValue double NaN
attribute OTHER_Fraction_Uncert actual_range double 3.35139E-4, 0.255674331
attribute OTHER_Fraction_Uncert bcodmo_name String unknown
attribute OTHER_Fraction_Uncert colorBarMaximum double 1.0
attribute OTHER_Fraction_Uncert colorBarMinimum double 0.0
attribute OTHER_Fraction_Uncert description String ensemble standard deviation of the OTHER_Fraction
attribute OTHER_Fraction_Uncert long_name String OTHER Fraction Uncert
attribute OTHER_Fraction_Uncert units String unitless (fraction)
variable Ideal_Mean_Age   double  
attribute Ideal_Mean_Age _FillValue double NaN
attribute Ideal_Mean_Age actual_range double 0.348736675, 371.0965039
attribute Ideal_Mean_Age bcodmo_name String age
attribute Ideal_Mean_Age description String estimate of the ideal mean age (regardless of last ventilation location) at each of the 668 bottle locations
attribute Ideal_Mean_Age long_name String Ideal Mean Age
attribute Ideal_Mean_Age units String years
variable Ideal_Mean_Age_Uncert   double  
attribute Ideal_Mean_Age_Uncert _FillValue double NaN
attribute Ideal_Mean_Age_Uncert actual_range double 6.2999E-5, 157.3320852
attribute Ideal_Mean_Age_Uncert bcodmo_name String age
attribute Ideal_Mean_Age_Uncert description String ensemble standard deviation of the Ideal_Mean_Age
attribute Ideal_Mean_Age_Uncert long_name String Ideal Mean Age Uncert
attribute Ideal_Mean_Age_Uncert units String years
variable depth   double  
attribute depth _CoordinateAxisType String Height
attribute depth _CoordinateZisPositive String down
attribute depth _FillValue double NaN
attribute depth actual_range double 4.770346113, 5840.698619
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 Bottle 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 latitude   double  
attribute latitude _CoordinateAxisType String Lat
attribute latitude _FillValue double NaN
attribute latitude actual_range double 17.351, 39.701
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 Bottle sample 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 -69.827, -9.662
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 Bottle sample 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 Distance_East   double  
attribute Distance_East _FillValue double NaN
attribute Distance_East actual_range double 0.0, 9046.974929
attribute Distance_East bcodmo_name String unknown
attribute Distance_East description String The distance in kilometers along the combined cruise tracks of the KN199-04 and KN204-01 from the easternmost station (KN204-01 station 1).
attribute Distance_East long_name String Distance East
attribute Distance_East units String kilometers (km)
variable Cruise_ID   String  
attribute Cruise_ID bcodmo_name String cruise_id
attribute Cruise_ID description String Cruise identifier
attribute Cruise_ID long_name String Cruise ID
attribute Cruise_ID units String unitless
variable Station_No   byte  
attribute Station_No _FillValue byte 127
attribute Station_No actual_range byte 1, 24
attribute Station_No bcodmo_name String station
attribute Station_No description String Station number
attribute Station_No long_name String Station No
attribute Station_No units String unitless
variable Cast_No   byte  
attribute Cast_No _FillValue byte 127
attribute Cast_No actual_range byte 1, 11
attribute Cast_No bcodmo_name String cast
attribute Cast_No description String Cast number
attribute Cast_No long_name String Cast No
attribute Cast_No units String unitless
variable Sample_Bottle   byte  
attribute Sample_Bottle _FillValue byte 127
attribute Sample_Bottle actual_range byte 1, 24
attribute Sample_Bottle bcodmo_name String bottle
attribute Sample_Bottle description String Bottle number
attribute Sample_Bottle long_name String Sample Bottle
attribute Sample_Bottle units String unitless
variable Date   int  
attribute Date _FillValue int 2147483647
attribute Date actual_range int 20101016, 20111210
attribute Date bcodmo_name String date
attribute Date description String Sampling date; format: yyyymmdd
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

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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