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| Dataset Title: | [Large Volume Pump Data from EN665] - Small and large particle concentrations of total carbon, total nitrogen, and inorganic carbon, and particulate thorium- 234 and RAP234 from large volume pump profiles collected on R/V Endeavor cruise EN665 in the Gulf of Maine in April 2021 (Biogenic Calcium Carbonate Solubilities and Reaction Rates by Lab and Field Saturometry) 
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| Institution: | BCO-DMO (Dataset ID: bcodmo_dataset_969640_v1) |
| Information: | Summary
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| FGDC
| ISO 19115
| Metadata
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Attributes {
s {
CRUISE_ID {
String long_name "Cruise_id";
String units "unitless";
}
STNNBR {
Int32 actual_range 1, 2;
String long_name "Stnnbr";
String units "unitless";
}
latitude {
String _CoordinateAxisType "Lat";
Float32 actual_range 42.61805, 43.4912;
String axis "Y";
String ioos_category "Location";
String long_name "Latitude";
String standard_name "latitude";
String units "degrees_north";
}
longitude {
String _CoordinateAxisType "Lon";
Float32 actual_range -69.6361, -67.8267;
String axis "X";
String ioos_category "Location";
String long_name "Longitude";
String standard_name "longitude";
String units "degrees_east";
}
time {
String _CoordinateAxisType "Time";
Float64 actual_range 1.61785236e+9, 1.61804982e+9;
String axis "T";
String ioos_category "Time";
String long_name "Deploy_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";
}
DATE_DEPLOY {
String long_name "Date_deploy";
String units "unitless";
}
TIME_DEPLOY {
String long_name "Time_deploy";
String units "unitless";
}
Recover_ISO_DateTime_UTC {
Float64 actual_range 1.61786748e+9, 1.6180626e+9;
String ioos_category "Time";
String long_name "Recover_iso_datetime_utc";
String time_origin "01-JAN-1970 00:00:00";
String units "seconds since 1970-01-01T00:00:00Z";
}
DATE_RECOVER {
String long_name "Date_recover";
String units "unitless";
}
TIME_RECOVER {
String long_name "Time_recover";
String units "unitless";
}
CASTNO {
String long_name "Castno";
String units "unitless";
}
depth {
String _CoordinateAxisType "Height";
String _CoordinateZisPositive "down";
Int32 actual_range 14, 260;
String axis "Z";
String ioos_category "Location";
String long_name "Depth";
String positive "down";
String standard_name "depth";
String units "m";
}
PUMPVOL_L {
Float32 actual_range 148.0, 358.1;
String long_name "Pumpvol_l";
String units "liters (L)";
}
PC_SP {
Float32 actual_range 1.5, 10.9;
String long_name "Pc_sp";
String units "micromoles per liter";
}
PC_SP_ERR {
Float32 actual_range 0.1, 0.7;
String long_name "Pc_sp_err";
String units "micromoles per liter";
}
PC_SP_W_FLAG {
Int32 actual_range 2, 2;
String long_name "Pc_sp_w_flag";
String units "unitless";
}
PN_SP {
Float32 actual_range 0.21, 1.54;
String long_name "Pn_sp";
String units "micromoles per liter";
}
PN_SP_ERR {
Float32 actual_range 0.01, 0.09;
String long_name "Pn_sp_err";
String units "micromoles per liter";
}
PN_SP_W_FLAG {
Int32 actual_range 2, 2;
String long_name "Pn_sp_w_flag";
String units "unitless";
}
PIC_SP {
Float32 actual_range 30.5, 204.2;
String long_name "Pic_sp";
String units "nanomoles per liter";
}
PIC_SP_ERR {
Float32 actual_range 4.4, 4.4;
String long_name "Pic_sp_err";
String units "nanomoles per liter";
}
PIC_SP_W_FLAG {
Int32 actual_range 2, 2;
String long_name "Pic_sp_w_flag";
String units "unitless";
}
DELC13_PC_SP {
Float32 actual_range -22.9, -18.5;
String long_name "Delc13_pc_sp";
String units "permil vs. PDB";
}
DELC13_PC_SP_ERR {
Float32 actual_range 0.07, 0.07;
String long_name "Delc13_pc_sp_err";
String units "permil vs. PDB";
}
DELC13_PC_SP_W_FLAG {
Int32 actual_range 2, 2;
String long_name "Delc13_pc_sp_w_flag";
String units "unitless";
}
DELN15_PN_SP {
Float32 actual_range 2.8, 9.0;
String long_name "Deln15_pn_sp";
String units "permil vs. air";
}
DELN15_PN_SP_ERR {
Float32 actual_range 0.08, 0.08;
String long_name "Deln15_pn_sp_err";
String units "permil vs. air";
}
DELN15_PN_SP_W_FLAG {
Int32 actual_range 2, 2;
String long_name "Deln15_pn_sp_w_flag";
String units "unitless";
}
DELC13_PIC_SP {
Float32 actual_range -5.5, 3.1;
String long_name "Delc13_pic_sp";
String units "permil vs. PDB";
}
DELC13_PIC_SP_ERR {
Float32 actual_range 0.15, 0.15;
String long_name "Delc13_pic_sp_err";
String units "permil vs. PDB";
}
DELC13_PIC_SP_W_FLAG {
Int32 actual_range 2, 2;
String long_name "Delc13_pic_sp_w_flag";
String units "unitless";
}
PC_LP {
Float32 actual_range 0.15, 6.0;
String long_name "Pc_lp";
String units "micromoles per liter";
}
PC_LP_ERR {
Float32 actual_range 0.04, 2.0;
String long_name "Pc_lp_err";
String units "micromoles per liter";
}
PC_LP_W_FLAG {
Int32 actual_range 2, 2;
String long_name "Pc_lp_w_flag";
String units "unitless";
}
PN_LP {
Float32 actual_range 0.03, 0.9;
String long_name "Pn_lp";
String units "micromoles per liter";
}
PN_LP_ERR {
Float32 actual_range 0.01, 0.2;
String long_name "Pn_lp_err";
String units "micromoles per liter";
}
PN_LP_W_FLAG {
Int32 actual_range 2, 2;
String long_name "Pn_lp_w_flag";
String units "unitless";
}
PIC_LP {
Float32 actual_range 4.3, 39.8;
String long_name "Pic_lp";
String units "nanomoles per liter";
}
PIC_LP_ERR {
Float32 actual_range 4.4, 4.4;
String long_name "Pic_lp_err";
String units "nanomoles per liter";
}
PIC_LP_W_FLAG {
Int32 actual_range 2, 2;
String long_name "Pic_lp_w_flag";
String units "unitless";
}
Th234_SP {
Float32 actual_range 0.16, 1.78;
String long_name "Th234_sp";
String units "decays per minute per liter";
}
Th234_SP_ERR {
Float32 actual_range 0.02, 0.04;
String long_name "Th234_sp_err";
String units "decays per minute per liter";
}
Th234_SP_W_FLAG {
Int32 actual_range 2, 3;
String long_name "Th234_sp_w_flag";
String units "unitless";
}
Th234_LP {
Float32 actual_range 0.0, 0.304;
String long_name "Th234_lp";
String units "decays per minute per liter";
}
Th234_LP_ERR {
Float32 actual_range 0.0, 0.002;
String long_name "Th234_lp_err";
String units "decays per minute per liter";
}
Th234_LP_W_FLAG {
Int32 actual_range 2, 9;
String long_name "Th234_lp_w_flag";
String units "unitless";
}
RAP234_SP {
Float32 actual_range -0.2, 1.7;
String long_name "Rap234_sp";
String units "becquerels per cubic meter";
}
RAP234_SP_ERR {
Float32 actual_range 0.2, 0.6;
String long_name "Rap234_sp_err";
String units "becquerels per cubic meter";
}
RAP234_SP_W_FLAG {
Int32 actual_range 2, 6;
String long_name "Rap234_sp_w_flag";
String units "unitless";
}
RAP234_LP {
Float32 actual_range 0.0, 0.18;
String long_name "Rap234_lp";
String units "becquerels per cubic meter";
}
RAP234_LP_ERR {
Float32 actual_range 0.01, 0.03;
String long_name "Rap234_lp_err";
String units "becquerels per cubic meter";
}
RAP234_LP_W_FLAG {
Int32 actual_range 2, 9;
String long_name "Rap234_lp_w_flag";
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 "&time<now";
String doi "10.26008/1912/bco-dmo.969640.1";
Float64 Easternmost_Easting -67.8267;
Float64 geospatial_lat_max 43.4912;
Float64 geospatial_lat_min 42.61805;
String geospatial_lat_units "degrees_north";
Float64 geospatial_lon_max -67.8267;
Float64 geospatial_lon_min -69.6361;
String geospatial_lon_units "degrees_east";
Float64 geospatial_vertical_max 260.0;
Float64 geospatial_vertical_min 14.0;
String geospatial_vertical_positive "down";
String geospatial_vertical_units "m";
String history
"2025-08-25T16:26:49Z (local files)
2025-08-25T16:26:49Z https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_969640_v1.html";
String infoUrl "https://osprey.bco-dmo.org/dataset/969640";
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 43.4912;
String sourceUrl "(local files)";
Float64 Southernmost_Northing 42.61805;
String summary "Sample collection took place at two primary stations within the Gulf of Maine's Wilkinson and Jordan basins from the R/V Endeavor in April 2021. McLane pumps were deployed at eight depths throughout the water column from near the sea surface (~14 meters) to near the seafloor (~250 meters). The first deployment occurred in the Wilkinson Basin and the second occurred in the Jordan Basin. Small (1-51 micrometer (µm)) and large particle (>51 µm) concentrations of total carbon, total nitrogen, and inorganic carbon (PC, PN, and PIC, respectively) are presented, along with small particle isotopic compositions (13C, 15N) of these phases, particulate thorium-234, and RAP234 (a resuspension proxy associated with particulate thorium-234). Depth profiles demonstrate typical particulate carbon shapes. The PIC demonstrates a peak near the seafloor, indicating the potential presence of a nepheloid layer. This feature does not appear in the PC data. The isotopic composition of the PIC demonstrates uniquely negative values throughout the water column. Small particle thorium-234 activities were consistently larger than the large particle activities at all depths and small particle RAP234 activities indicate possible resuspension in the bottom ~50 m of the water column. These data were collected by Drs. Adam Subhas (WHOI) and Erin Black (UR). Data processing and preparation were completed by Dr. Subhas, Dr. Black, and Karine Holmes (UR).";
String time_coverage_end "2021-04-10T10:17:00Z";
String time_coverage_start "2021-04-08T03:26:00Z";
String title "[Large Volume Pump Data from EN665] - Small and large particle concentrations of total carbon, total nitrogen, and inorganic carbon, and particulate thorium-234 and RAP234 from large volume pump profiles collected on R/V Endeavor cruise EN665 in the Gulf of Maine in April 2021 (Biogenic Calcium Carbonate Solubilities and Reaction Rates by Lab and Field Saturometry)";
Float64 Westernmost_Easting -69.6361;
}
}
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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
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constraints (e.g., variable<value),
each preceded by '&' (which is interpreted as "AND").
For details, see the tabledap Documentation.