BCO-DMO ERDDAP
Accessing BCO-DMO data

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Dataset Title:	[BATS discrete bottle data] - Discrete bottle samples collected at the Bermuda Atlantic Time-series Study (BATS) site in the Sargasso Sea from October 1988 through December 2023 (Bermuda Atlantic Time-series Study)
Institution:	BCO-DMO (Dataset ID: bcodmo_dataset_3782_v6)
Range:	longitude = -66.169 to -60.447°E, latitude = 24.759 to 35.667°N, depth = 0.1 to 4987.3m, time = 1988-10-20T22:30:00Z to 2023-12-15T13:08:00Z
Information:	Summary \| License \| FGDC \| ISO 19115 \| Metadata \| Background \| Data Access Form \| Files

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 5.933898e+8, 1.70264568e+9;
    String axis "T";
    String ioos_category "Time";
    String long_name "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";
  }
  Bottle_ID {
    Int32 actual_range 1000100101, 2039000608;
    String long_name "Bottle_id";
    String units "unitless";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 24.759, 35.667;
    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 -66.169, -60.447;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  Vessel {
    String long_name "Vessel";
    String units "unitless";
  }
  Cruise_ID {
    Int32 actual_range 10001, 30215;
    String long_name "Cruise_id";
    String units "unitless";
  }
  Cruise_type {
    String long_name "Cruise_type";
    String units "unitless";
  }
  Cruise_num {
    Int32 actual_range 1, 411;
    String long_name "Cruise_num";
    String units "unitless";
  }
  Cast_num {
    Int32 actual_range 1, 89;
    String long_name "Cast_num";
    String units "unitless";
  }
  Bottle_num {
    Int32 actual_range 1, 24;
    String long_name "Bottle_num";
    String units "unitless";
  }
  QF_bottle {
    Int32 actual_range -3, 2;
    String long_name "Qf_bottle";
    String units "unitless";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float32 actual_range 0.1, 4987.3;
    String axis "Z";
    String ioos_category "Location";
    String long_name "Depth";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
  QF1_Depth {
    Int32 actual_range 2, 9;
    String long_name "Qf1_depth";
    String units "unitless";
  }
  Temp {
    Float32 actual_range 2.176, 32.986;
    String long_name "Temp";
    String units "degrees Celsius (°C)";
  }
  QF2_Temp {
    Int32 actual_range 2, 9;
    String long_name "Qf2_temp";
    String units "unitless";
  }
  CTD_Salinity {
    Float32 actual_range 34.866, 37.381;
    String long_name "Ctd_salinity";
    String units "dimensionless";
  }
  QF3_CTD_Sal {
    Int32 actual_range 2, 9;
    String long_name "Qf3_ctd_sal";
    String units "unitless";
  }
  Salinity {
    Float32 actual_range 34.876, 37.094;
    String long_name "Salinity";
    String units "dimensionless";
  }
  QF4_Salinity {
    Int32 actual_range 2, 9;
    String long_name "Qf4_salinity";
    String units "unitless";
  }
  Sigma_theta {
    Float32 actual_range 22.702, 27.915;
    String long_name "Sigma_theta";
    String units "kilograms per cubic meter (kg/m^3)";
  }
  QF5_Sigma_theta {
    Int32 actual_range 2, 9;
    String long_name "Qf5_sigma_theta";
    String units "unitless";
  }
  Oxygen {
    Float32 actual_range 129.9, 276.5;
    String long_name "Oxygen";
    String units "micromoles per kilogram (umol/kg)";
  }
  QF6_Oxygen {
    Int32 actual_range 2, 9;
    String long_name "Qf6_oxygen";
    String units "unitless";
  }
  Oxygen_Fix_Temp {
    Float32 actual_range 4.2, 30.6;
    String long_name "Oxygen_fix_temp";
    String units "degrees Celsius (°C)";
  }
  QF7_Oxy_fix_temp {
    Int32 actual_range 2, 9;
    String long_name "Qf7_oxy_fix_temp";
    String units "unitless";
  }
  Oxygen_Anomaly {
    Float32 actual_range -146.2, 39.2;
    String long_name "Oxygen_anomaly";
    String units "micromoles per kilogram (umol/kg)";
  }
  QF8_Oxy_anom {
    Int32 actual_range 2, 9;
    String long_name "Qf8_oxy_anom";
    String units "unitless";
  }
  CO2 {
    Float32 actual_range 2000.5, 2200.0;
    String long_name "Co2";
    String units "micromoles per kilogram (umol/kg)";
  }
  QF9_DIC {
    Int32 actual_range 2, 9;
    String long_name "Qf9_dic";
    String units "unitless";
  }
  Alk {
    Float32 actual_range 2302.4, 2446.2;
    String long_name "Alk";
    String units "microequivalents";
  }
  QF10_Alk {
    Int32 actual_range 2, 9;
    String long_name "Qf10_alk";
    String units "unitless";
  }
  NO3_plus_NO2 {
    Float32 actual_range 0.0, 28.37;
    String long_name "No3_plus_no2";
    String units "micromoles per kilogram (umol/kg)";
  }
  QF11_NO3_NO2 {
    Int32 actual_range 2, 9;
    String long_name "Qf11_no3_no2";
    String units "unitless";
  }
  NO2 {
    Float32 actual_range 0.0, 0.478;
    String long_name "No2";
    String units "micromoles per kilogram (umol/kg)";
  }
  QF12_NO2 {
    Int32 actual_range 2, 9;
    String long_name "Qf12_no2";
    String units "unitless";
  }
  PO4 {
    Float32 actual_range 0.0, 1.93;
    String long_name "Po4";
    String units "micromoles per kilogram (umol/kg)";
  }
  QF13_PO4 {
    Int32 actual_range 2, 9;
    String long_name "Qf13_po4";
    String units "unitless";
  }
  Silicate {
    Float32 actual_range 0.0, 50.52;
    String long_name "Silicate";
    String units "micromoles per kilogram (umol/kg)";
  }
  QF14_Silicate {
    Int32 actual_range 2, 9;
    String long_name "Qf14_silicate";
    String units "unitless";
  }
  POC {
    Float32 actual_range 0.0, 135.72;
    String long_name "Poc";
    String units "micrograms per kilogram (ug/kg)";
  }
  QF15_POC {
    Int32 actual_range 2, 9;
    String long_name "Qf15_poc";
    String units "unitless";
  }
  PON {
    Float32 actual_range 0.0, 35.77;
    String long_name "Pon";
    String units "micrograms per kilogram (ug/kg)";
  }
  QF16_PON {
    Int32 actual_range 2, 9;
    String long_name "Qf16_pon";
    String units "unitless";
  }
  TOC {
    Float32 actual_range 38.0, 86.2;
    String long_name "Toc";
    String units "micromoles per kilogram (umol/kg)";
  }
  QF17_TOC {
    Int32 actual_range 2, 9;
    String long_name "Qf17_toc";
    String units "unitless";
  }
  TN {
    Float32 actual_range 1.5, 28.0;
    String long_name "Tn";
    String units "micromoles per kilogram (umol/kg)";
  }
  QF18_TN {
    Int32 actual_range 2, 9;
    String long_name "Qf18_tn";
    String units "unitless";
  }
  Bact_Enum {
    Float32 actual_range 0.0, 15.0;
    String long_name "Bact_enum";
    String units "cells times 10^8 per kilogram";
  }
  QF19_Bact_enum {
    Int32 actual_range 2, 9;
    String long_name "Qf19_bact_enum";
    String units "unitless";
  }
  POP {
    Float32 actual_range 0.0, 0.069;
    String long_name "Pop";
    String units "micromoles per kilogram (umol/kg)";
  }
  QF20_POP {
    Int32 actual_range 2, 9;
    String long_name "Qf20_pop";
    String units "unitless";
  }
  TDP {
    Float32 actual_range 11.0, 1081.0;
    String long_name "Tdp";
    String units "nanomoles per kilogram (nmol/kg)";
  }
  QF21_TDP {
    Int32 actual_range 2, 9;
    String long_name "Qf21_tdp";
    String units "unitless";
  }
  SRP {
    Float32 actual_range 0.0, 500.0;
    String long_name "Srp";
    String units "nanomoles per kilogram (nmol/kg)";
  }
  QF22_SRP {
    Int32 actual_range 2, 9;
    String long_name "Qf22_srp";
    String units "unitless";
  }
  Bio_Si {
    Float32 actual_range 0.0, 630.25;
    String long_name "Bio_si";
    String units "micromoles per kilogram (umol/kg)";
  }
  QF23_bio_Si {
    Int32 actual_range 2, 9;
    String long_name "Qf23_bio_si";
    String units "unitless";
  }
  Litho_Si {
    Float32 actual_range 0.0, 56.19;
    String long_name "Litho_si";
    String units "micromoles per kilogram (umol/kg)";
  }
  QF24_litho_Si {
    Int32 actual_range 2, 9;
    String long_name "Qf24_litho_si";
    String units "unitless";
  }
  Prochlorococcus {
    Float32 actual_range 0.0, 292753.0;
    String long_name "Prochlorococcus";
    String units "cells per milliliter (cells/mL)";
  }
  QF25_Prochloro {
    Int32 actual_range 2, 9;
    String long_name "Qf25_prochloro";
    String units "unitless";
  }
  Synechococcus {
    Float32 actual_range 0.0, 160285.0;
    String long_name "Synechococcus";
    String units "cells per milliliter (cells/mL)";
  }
  QF26_Synecho {
    Int32 actual_range 2, 9;
    String long_name "Qf26_synecho";
    String units "unitless";
  }
  Picoeukaryotes {
    Float32 actual_range 0.0, 22513.0;
    String long_name "Picoeukaryotes";
    String units "cells per milliliter (cells/mL)";
  }
  QF27_Picoeuks {
    Int32 actual_range 2, 9;
    String long_name "Qf27_picoeuks";
    String units "unitless";
  }
  Nanoeukaryotes {
    Float32 actual_range 0.0, 3829.0;
    String long_name "Nanoeukaryotes";
    String units "cells per milliliter (cells/mL)";
  }
  QF28_Nanoeuks {
    Int32 actual_range 2, 9;
    String long_name "Qf28_nanoeuks";
    String units "unitless";
  }
  yyyymmdd {
    Int32 actual_range 19881020, 20231215;
    String long_name "Yyyymmdd";
    String units "unitless";
  }
  time_unitless {
    Int32 actual_range 0, 2359;
    String long_name "Time";
    String units "unitless";
  }
  decimal_year {
    Float32 actual_range 1988.803, 2023.955;
    String long_name "Decimal_year";
    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 doi "10.26008/1912/bco-dmo.3782.6";
    Float64 Easternmost_Easting -60.447;
    Float64 geospatial_lat_max 35.667;
    Float64 geospatial_lat_min 24.759;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -60.447;
    Float64 geospatial_lon_min -66.169;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 4987.3;
    Float64 geospatial_vertical_min 0.1;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2024-11-21T08:37:15Z (local files)
2024-11-21T08:37:15Z https://erddap.bco-dmo.org/tabledap/bcodmo_dataset_3782_v6.das";
    String infoUrl "https://www.bco-dmo.org/dataset/3782";
    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 35.667;
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 24.759;
    String summary "Data presented here are discrete bottle samples from the Bermuda Atlantic Time-series Study (BATS) site located 80 km SE of Bermuda (31°40N, 64°10W) in the Sargasso Sea for October 1988 (cruise 10001) through December 2023 (cruise 10411). Measurements were collected from the core monthly BATS cruises and the near-biweekly (depending on ship availability) BATS Bloom cruises during February through April. The sample parameter list has been mostly consistent for the full time-series record and includes: salinity, dissolved oxygen, dissolved inorganic carbon, alkalinity, nutrients (nitrate + nitrite, nitrite, phosphate, silicate), particulate organics (carbon, nitrogen, phosphorous), particulate silicate, total organic carbon and nitrogen, total dissolved phosphorus, bacterial enumeration, and flow cytometry counts of picoplankton. The HPLC derived phytoplankton pigment data which are collected synoptically with many of the above parameters are reported in a separate dataset.";
    String time_coverage_end "2023-12-15T13:08:00Z";
    String time_coverage_start "1988-10-20T22:30:00Z";
    String title "[BATS discrete bottle data] - Discrete bottle samples collected at the Bermuda Atlantic Time-series Study (BATS) site in the Sargasso Sea from October 1988 through December 2023 (Bermuda Atlantic Time-series Study)";
    Float64 Westernmost_Easting -66.169;
  }
}

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.

(easy) You can get data by using the dataset's Data Access Form or Subset form. They make the URL for you.
(easy) You can make a graph or map by using the dataset's Make A Graph form. It makes the URL for you.
(not hard) You can bypass the forms and get the data or make a graph or map by generating the URL by hand or with a computer program or script.

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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