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Dataset Title:  [GP15 Particulate Thorium and Protactinium Leg 1] - Size-fractionated
particulate thorium and protactinium isotopes in seawater from Leg 1 (Seattle,
WA to Hilo, HI) of the US GEOTRACES Pacific Meridional Transect (PMT)
cruise (GP15, RR1814) on R/V Roger Revelle from September to October 2018 (US
GEOTRACES Pacific Meridional Transect (GP15))
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Institution:  BCO-DMO   (Dataset ID: bcodmo_dataset_954271_v1)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Files | Make a graph
 
Variable ?   Optional
Constraint #1 ?
Optional
Constraint #2 ?
   Minimum ?
 
   Maximum ?
 
 Cruise_ID (unitless) ?          "RR1814"    "RR1814"
 Station_ID (unitless) ?          1.0    18.3
 Cast_ID (unitless) ?          3    11
 Event_ID (unitless) ?          6521    6769
 Gear_ID (unitless) ?          1    8
 Start_Date_UTC (unitless) ?          "01/10/2018"    "30/09/2018"
 Start_Time_UTC (unitless) ?          "01:48:11"    "21:34:00"
 time (Start_iso_datetime_utc, UTC) ?          2018-09-24T08:54:00Z    2018-10-21T20:24:30Z
  < slider >
 latitude (Start_latitude, degrees_north) ?          19.681    56.058
  < slider >
 longitude (Start_longitude, degrees_east) ?          -156.962    -152.0
  < slider >
 Sample_ID (unitless) ?          12361    13892
 Lab_ID_SPT (unitless) ?          "LDEO"    "USM"
 Lab_ID_LPT (unitless) ?          "UMN"    "UMN"
 depth (Sample_depth, m) ?          18.4    5546.9
  < slider >
 Sample_Depth_Flag (unitless) ?          1    4
 Th_232_SPT_CONC_PUMP_zuir1n (picomoles per kilogram (pmol/kg)) ?          -1.8E-4    1.75899
 SD1_Th_232_SPT_CONC_PUMP_zuir1n (picomoles per kilogram (pmol/kg)) ?          0.0    0.02273
 Flag_Th_232_SPT_CONC_PUMP_zuir1n (unitless) ?          1    9
 Th_230_SPT_CONC_PUMP_jit90a (micro-Becquerel per kilogram (uBq/kg)) ?          -0.0044    9.877
 SD1_Th_230_SPT_CONC_PUMP_jit90a (micro-Becquerel per kilogram (uBq/kg)) ?          -3.0E-4    0.2922
 Flag_Th_230_SPT_CONC_PUMP_jit90a (unitless) ?          1    9
 Pa_231_SPT_CONC_PUMP_4vrpmz (micro-Becquerel per kilogram (uBq/kg)) ?          -0.0625    0.6304
 SD1_Pa_231_SPT_CONC_PUMP_4vrpmz (micro-Becquerel per kilogram (uBq/kg)) ?          0.001    0.0975
 Flag_Pa_231_SPT_CONC_PUMP_4vrpmz (unitless) ?          1    9
 Th_232_LPT_CONC_PUMP_y9hcex (picomoles per kilogram (pmol/kg)) ?          3.9E-4    0.17946
 SD1_Th_232_LPT_CONC_PUMP_y9hcex (picomoles per kilogram (pmol/kg)) ?          1.1E-4    6.8E-4
 Flag_Th_232_LPT_CONC_PUMP_y9hcex (unitless) ?          1    9
 Th_230_LPT_CONC_PUMP_59zpag (micro-Becquerel per kilogram (uBq/kg)) ?          0.0042    3.4864
 SD1_Th_230_LPT_CONC_PUMP_59zpag (micro-Becquerel per kilogram (uBq/kg)) ?          8.0E-4    0.0104
 Flag_Th_230_LPT_CONC_PUMP_59zpag (unitless) ?          1    9
 Pa_231_LPT_CONC_PUMP_guolzd (micro-Becquerel per kilogram (uBq/kg)) ?          1.7E-4    0.24303
 SD1_Pa_231_LPT_CONC_PUMP_guolzd (micro-Becquerel per kilogram (uBq/kg)) ?          4.0E-4    0.00173
 Flag_Pa_231_LPT_CONC_PUMP_guolzd (unitless) ?          1    9
 Th_230_SPT_XS_CONC_PUMP (micro-Becquerel per kilogram (uBq/kg)) ?          -0.0043    9.5337
 SD1_Th_230_SPT_XS_CONC_PUMP (micro-Becquerel per kilogram (uBq/kg)) ?          3.0E-4    0.387
 Flag_Th_230_SPT_XS_CONC_PUMP (unitless) ?          1    9
 Pa_231_SPT_XS_CONC_PUMP (micro-Becquerel per kilogram (uBq/kg)) ?          -0.0631    0.6189
 SD1_Pa_231_SPT_XS_CONC_PUMP (micro-Becquerel per kilogram (uBq/kg)) ?          0.001    0.0975
 Flag_Pa_231_SPT_XS_CONC_PUMP (unitless) ?          1    9
 Th_230_LPT_XS_CONC_PUMP (micro-Becquerel per kilogram (uBq/kg)) ?          -0.05333    3.3746
 SD1_Th_230_LPT_XS_CONC_PUMP (micro-Becquerel per kilogram (uBq/kg)) ?          9.0E-4    0.03859
 Flag_Th_230_LPT_XS_CONC_PUMP (unitless) ?          1    9
 Pa_231_LPT_XS_CONC_PUMP (micro-Becquerel per kilogram (uBq/kg)) ?          1.5E-4    0.23735
 SD1_Pa_231_LPT_XS_CONC_PUMP (micro-Becquerel per kilogram (uBq/kg)) ?          4.0E-4    0.0022
 Flag_Pa_231_LPT_XS_CONC_PUMP (unitless) ?          1    9
 Th_230_SPT_ADS_CONC_PUMP (micro-Becquerel per kilogram (uBq/kg)) ?          -0.0044    9.6143
 SD1_Th_230_SPT_ADS_CONC_PUMP (micro-Becquerel per kilogram (uBq/kg)) ?          -3.0E-4    0.304
 Flag_Th_230_SPT_ADS_CONC_PUMP (unitless) ?          1    9
 Pa_231_SPT_ADS_CONC_PUMP (micro-Becquerel per kilogram (uBq/kg)) ?          -0.0633    0.6201
 SD1_Pa_231_SPT_ADS_CONC_PUMP (micro-Becquerel per kilogram (uBq/kg)) ?          -0.0977    0.0921
 Flag_Pa_231_SPT_ADS_CONC_PUMP (unitless) ?          1    9
 Th_230_LPT_ADS_CONC_PUMP (micro-Becquerel per kilogram (uBq/kg)) ?          -0.055    3.4032
 SD1_Th_230_LPT_ADS_CONC_PUMP (micro-Becquerel per kilogram (uBq/kg)) ?          -0.0088    0.0105
 Flag_Th_230_LPT_ADS_CONC_PUMP (unitless) ?          1    9
 Pa_231_LPT_ADS_CONC_PUMP (micro-Becquerel per kilogram (uBq/kg)) ?          1.5E-4    0.23777
 SD1_Pa_231_LPT_ADS_CONC_PUMP (micro-Becquerel per kilogram (uBq/kg)) ?          4.0E-4    0.00174
 Flag_Pa_231_LPT_ADS_CONC_PUMP (unitless) ?          1    9
 
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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  Cruise_ID {
    String long_name "Cruise_id";
    String units "unitless";
  }
  Station_ID {
    Float32 actual_range 1.0, 18.3;
    String long_name "Station_id";
    String units "unitless";
  }
  Cast_ID {
    Int32 actual_range 3, 11;
    String long_name "Cast_id";
    String units "unitless";
  }
  Event_ID {
    Int32 actual_range 6521, 6769;
    String long_name "Event_id";
    String units "unitless";
  }
  Gear_ID {
    Int32 actual_range 1, 8;
    String long_name "Gear_id";
    String units "unitless";
  }
  Start_Date_UTC {
    String long_name "Start_date_utc";
    String units "unitless";
  }
  Start_Time_UTC {
    String long_name "Start_time_utc";
    String units "unitless";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.53777924e+9, 1.54015347e+9;
    String axis "T";
    String ioos_category "Time";
    String long_name "Start_iso_datetime_utc";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 19.681, 56.058;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Start_latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -156.962, -152.0;
    String axis "X";
    String ioos_category "Location";
    String long_name "Start_longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  Sample_ID {
    Int32 actual_range 12361, 13892;
    String long_name "Sample_id";
    String units "unitless";
  }
  Lab_ID_SPT {
    String long_name "Lab_id_spt";
    String units "unitless";
  }
  Lab_ID_LPT {
    String long_name "Lab_id_lpt";
    String units "unitless";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float32 actual_range 18.4, 5546.9;
    String axis "Z";
    String ioos_category "Location";
    String long_name "Sample_depth";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
  Sample_Depth_Flag {
    Int32 actual_range 1, 4;
    String long_name "Sample_depth_flag";
    String units "unitless";
  }
  Th_232_SPT_CONC_PUMP_zuir1n {
    Float32 actual_range -1.8e-4, 1.75899;
    String long_name "Th_232_spt_conc_pump_zuir1n";
    String units "picomoles per kilogram (pmol/kg)";
  }
  SD1_Th_232_SPT_CONC_PUMP_zuir1n {
    Float32 actual_range 0.0, 0.02273;
    String long_name "Sd1_th_232_spt_conc_pump_zuir1n";
    String units "picomoles per kilogram (pmol/kg)";
  }
  Flag_Th_232_SPT_CONC_PUMP_zuir1n {
    Int32 actual_range 1, 9;
    String long_name "Flag_th_232_spt_conc_pump_zuir1n";
    String units "unitless";
  }
  Th_230_SPT_CONC_PUMP_jit90a {
    Float32 actual_range -0.0044, 9.877;
    String long_name "Th_230_spt_conc_pump_jit90a";
    String units "micro-Becquerel per kilogram (uBq/kg)";
  }
  SD1_Th_230_SPT_CONC_PUMP_jit90a {
    Float32 actual_range -3.0e-4, 0.2922;
    String long_name "Sd1_th_230_spt_conc_pump_jit90a";
    String units "micro-Becquerel per kilogram (uBq/kg)";
  }
  Flag_Th_230_SPT_CONC_PUMP_jit90a {
    Int32 actual_range 1, 9;
    String long_name "Flag_th_230_spt_conc_pump_jit90a";
    String units "unitless";
  }
  Pa_231_SPT_CONC_PUMP_4vrpmz {
    Float32 actual_range -0.0625, 0.6304;
    String long_name "Pa_231_spt_conc_pump_4vrpmz";
    String units "micro-Becquerel per kilogram (uBq/kg)";
  }
  SD1_Pa_231_SPT_CONC_PUMP_4vrpmz {
    Float32 actual_range 0.001, 0.0975;
    String long_name "Sd1_pa_231_spt_conc_pump_4vrpmz";
    String units "micro-Becquerel per kilogram (uBq/kg)";
  }
  Flag_Pa_231_SPT_CONC_PUMP_4vrpmz {
    Int32 actual_range 1, 9;
    String long_name "Flag_pa_231_spt_conc_pump_4vrpmz";
    String units "unitless";
  }
  Th_232_LPT_CONC_PUMP_y9hcex {
    Float32 actual_range 3.9e-4, 0.17946;
    String long_name "Th_232_lpt_conc_pump_y9hcex";
    String units "picomoles per kilogram (pmol/kg)";
  }
  SD1_Th_232_LPT_CONC_PUMP_y9hcex {
    Float32 actual_range 1.1e-4, 6.8e-4;
    String long_name "Sd1_th_232_lpt_conc_pump_y9hcex";
    String units "picomoles per kilogram (pmol/kg)";
  }
  Flag_Th_232_LPT_CONC_PUMP_y9hcex {
    Int32 actual_range 1, 9;
    String long_name "Flag_th_232_lpt_conc_pump_y9hcex";
    String units "unitless";
  }
  Th_230_LPT_CONC_PUMP_59zpag {
    Float32 actual_range 0.0042, 3.4864;
    String long_name "Th_230_lpt_conc_pump_59zpag";
    String units "micro-Becquerel per kilogram (uBq/kg)";
  }
  SD1_Th_230_LPT_CONC_PUMP_59zpag {
    Float32 actual_range 8.0e-4, 0.0104;
    String long_name "Sd1_th_230_lpt_conc_pump_59zpag";
    String units "micro-Becquerel per kilogram (uBq/kg)";
  }
  Flag_Th_230_LPT_CONC_PUMP_59zpag {
    Int32 actual_range 1, 9;
    String long_name "Flag_th_230_lpt_conc_pump_59zpag";
    String units "unitless";
  }
  Pa_231_LPT_CONC_PUMP_guolzd {
    Float32 actual_range 1.7e-4, 0.24303;
    String long_name "Pa_231_lpt_conc_pump_guolzd";
    String units "micro-Becquerel per kilogram (uBq/kg)";
  }
  SD1_Pa_231_LPT_CONC_PUMP_guolzd {
    Float32 actual_range 4.0e-4, 0.00173;
    String long_name "Sd1_pa_231_lpt_conc_pump_guolzd";
    String units "micro-Becquerel per kilogram (uBq/kg)";
  }
  Flag_Pa_231_LPT_CONC_PUMP_guolzd {
    Int32 actual_range 1, 9;
    String long_name "Flag_pa_231_lpt_conc_pump_guolzd";
    String units "unitless";
  }
  Th_230_SPT_XS_CONC_PUMP {
    Float32 actual_range -0.0043, 9.5337;
    String long_name "Th_230_spt_xs_conc_pump";
    String units "micro-Becquerel per kilogram (uBq/kg)";
  }
  SD1_Th_230_SPT_XS_CONC_PUMP {
    Float32 actual_range 3.0e-4, 0.387;
    String long_name "Sd1_th_230_spt_xs_conc_pump";
    String units "micro-Becquerel per kilogram (uBq/kg)";
  }
  Flag_Th_230_SPT_XS_CONC_PUMP {
    Int32 actual_range 1, 9;
    String long_name "Flag_th_230_spt_xs_conc_pump";
    String units "unitless";
  }
  Pa_231_SPT_XS_CONC_PUMP {
    Float32 actual_range -0.0631, 0.6189;
    String long_name "Pa_231_spt_xs_conc_pump";
    String units "micro-Becquerel per kilogram (uBq/kg)";
  }
  SD1_Pa_231_SPT_XS_CONC_PUMP {
    Float32 actual_range 0.001, 0.0975;
    String long_name "Sd1_pa_231_spt_xs_conc_pump";
    String units "micro-Becquerel per kilogram (uBq/kg)";
  }
  Flag_Pa_231_SPT_XS_CONC_PUMP {
    Int32 actual_range 1, 9;
    String long_name "Flag_pa_231_spt_xs_conc_pump";
    String units "unitless";
  }
  Th_230_LPT_XS_CONC_PUMP {
    Float32 actual_range -0.05333, 3.3746;
    String long_name "Th_230_lpt_xs_conc_pump";
    String units "micro-Becquerel per kilogram (uBq/kg)";
  }
  SD1_Th_230_LPT_XS_CONC_PUMP {
    Float32 actual_range 9.0e-4, 0.03859;
    String long_name "Sd1_th_230_lpt_xs_conc_pump";
    String units "micro-Becquerel per kilogram (uBq/kg)";
  }
  Flag_Th_230_LPT_XS_CONC_PUMP {
    Int32 actual_range 1, 9;
    String long_name "Flag_th_230_lpt_xs_conc_pump";
    String units "unitless";
  }
  Pa_231_LPT_XS_CONC_PUMP {
    Float32 actual_range 1.5e-4, 0.23735;
    String long_name "Pa_231_lpt_xs_conc_pump";
    String units "micro-Becquerel per kilogram (uBq/kg)";
  }
  SD1_Pa_231_LPT_XS_CONC_PUMP {
    Float32 actual_range 4.0e-4, 0.0022;
    String long_name "Sd1_pa_231_lpt_xs_conc_pump";
    String units "micro-Becquerel per kilogram (uBq/kg)";
  }
  Flag_Pa_231_LPT_XS_CONC_PUMP {
    Int32 actual_range 1, 9;
    String long_name "Flag_pa_231_lpt_xs_conc_pump";
    String units "unitless";
  }
  Th_230_SPT_ADS_CONC_PUMP {
    Float32 actual_range -0.0044, 9.6143;
    String long_name "Th_230_spt_ads_conc_pump";
    String units "micro-Becquerel per kilogram (uBq/kg)";
  }
  SD1_Th_230_SPT_ADS_CONC_PUMP {
    Float32 actual_range -3.0e-4, 0.304;
    String long_name "Sd1_th_230_spt_ads_conc_pump";
    String units "micro-Becquerel per kilogram (uBq/kg)";
  }
  Flag_Th_230_SPT_ADS_CONC_PUMP {
    Int32 actual_range 1, 9;
    String long_name "Flag_th_230_spt_ads_conc_pump";
    String units "unitless";
  }
  Pa_231_SPT_ADS_CONC_PUMP {
    Float32 actual_range -0.0633, 0.6201;
    String long_name "Pa_231_spt_ads_conc_pump";
    String units "micro-Becquerel per kilogram (uBq/kg)";
  }
  SD1_Pa_231_SPT_ADS_CONC_PUMP {
    Float32 actual_range -0.0977, 0.0921;
    String long_name "Sd1_pa_231_spt_ads_conc_pump";
    String units "micro-Becquerel per kilogram (uBq/kg)";
  }
  Flag_Pa_231_SPT_ADS_CONC_PUMP {
    Int32 actual_range 1, 9;
    String long_name "Flag_pa_231_spt_ads_conc_pump";
    String units "unitless";
  }
  Th_230_LPT_ADS_CONC_PUMP {
    Float32 actual_range -0.055, 3.4032;
    String long_name "Th_230_lpt_ads_conc_pump";
    String units "micro-Becquerel per kilogram (uBq/kg)";
  }
  SD1_Th_230_LPT_ADS_CONC_PUMP {
    Float32 actual_range -0.0088, 0.0105;
    String long_name "Sd1_th_230_lpt_ads_conc_pump";
    String units "micro-Becquerel per kilogram (uBq/kg)";
  }
  Flag_Th_230_LPT_ADS_CONC_PUMP {
    Int32 actual_range 1, 9;
    String long_name "Flag_th_230_lpt_ads_conc_pump";
    String units "unitless";
  }
  Pa_231_LPT_ADS_CONC_PUMP {
    Float32 actual_range 1.5e-4, 0.23777;
    String long_name "Pa_231_lpt_ads_conc_pump";
    String units "micro-Becquerel per kilogram (uBq/kg)";
  }
  SD1_Pa_231_LPT_ADS_CONC_PUMP {
    Float32 actual_range 4.0e-4, 0.00174;
    String long_name "Sd1_pa_231_lpt_ads_conc_pump";
    String units "micro-Becquerel per kilogram (uBq/kg)";
  }
  Flag_Pa_231_LPT_ADS_CONC_PUMP {
    Int32 actual_range 1, 9;
    String long_name "Flag_pa_231_lpt_ads_conc_pump";
    String units "unitless";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Other";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_email "info@bco-dmo.org";
    String creator_name "BCO-DMO";
    String creator_url "https://www.bco-dmo.org/";
    String defaultDataQuery "&amp;time&lt;now";
    String doi "10.26008/1912/bco-dmo.954271.1";
    Float64 Easternmost_Easting -152.0;
    Float64 geospatial_lat_max 56.058;
    Float64 geospatial_lat_min 19.681;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -152.0;
    Float64 geospatial_lon_min -156.962;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 5546.9;
    Float64 geospatial_vertical_min 18.4;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2025-06-06T04:00:28Z (local files)
2025-06-06T04:00:28Z https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_954271_v1.html";
    String infoUrl "https://osprey.bco-dmo.org/dataset/954271";
    String institution "BCO-DMO";
    String license 
"The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.";
    Float64 Northernmost_Northing 56.058;
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 19.681;
    String summary "This dataset contains concentrations of size-fractionated particulate thorium and protactinium isotopes (Th-232, Th-230, Pa-231) in seawater collected during the U.S. GEOTRACES Pacific Meridional Transect GP15; Alaska to Tahiti) on the Roger Revelle (RR1814 and RR1815) from 18 September – 24 November 2018. This is compiled data produced by three laboratories with the following associations: Lamont-Doherty Earth Observatory of Columbia University (LDEO), the University of Southern Mississippi (USM), and the University of Minnesota (UMN). A report will be submitted for review by the International GEOTRACES Standards and Intercalibration (S&I) Committee. This dataset contains data from Leg 1 of the expedition (RR1814). Data from leg 2 are available in a separate BCO-DMO dataset.";
    String time_coverage_end "2018-10-21T20:24:30Z";
    String time_coverage_start "2018-09-24T08:54:00Z";
    String title "[GP15 Particulate Thorium and Protactinium Leg 1] - Size-fractionated particulate thorium and protactinium isotopes in seawater from Leg 1 (Seattle, WA to Hilo, HI) of the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15, RR1814) on R/V Roger Revelle from September to October 2018 (US GEOTRACES Pacific Meridional Transect (GP15))";
    Float64 Westernmost_Easting -156.962;
  }
}

 

Using tabledap to Request Data and Graphs from Tabular Datasets

tabledap lets you request a data subset, a graph, or a map from a tabular dataset (for example, buoy data), via a specially formed URL. tabledap uses the OPeNDAP (external link) Data Access Protocol (DAP) (external link) and its selection constraints (external link).

The URL specifies what you want: the dataset, a description of the graph or the subset of the data, and the file type for the response.

Tabledap request URLs must be in the form
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/datasetID.fileType{?query}
For example,
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/pmelTaoDySst.htmlTable?longitude,latitude,time,station,wmo_platform_code,T_25&time>=2015-05-23T12:00:00Z&time<=2015-05-31T12:00:00Z
Thus, the query is often a comma-separated list of desired variable names, followed by a collection of constraints (e.g., variable<value), each preceded by '&' (which is interpreted as "AND").

For details, see the tabledap Documentation.


 
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