Accessing BCO-DMO data
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BCO-DMO ERDDAP
Accessing BCO-DMO data |
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| Dataset Title: | [Houston Galveston Bay pCO2] - pCO2 underway measurements collected aboard the R/V Trident in Galveston Bay, Northwestern Gulf of Mexico from October 2017 to September 2018 (RAPID: Capturing the Signature of Hurricane Harvey on Texas Coastal Lagoons) 
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| Institution: | BCO-DMO (Dataset ID: bcodmo_dataset_949729_v1) |
| Range: | longitude = -94.93256 to -94.77398°E, latitude = 29.31003 to 29.60719°N, time = 2018-02-09T14:37:04Z to 2018-09-16T18:40:39Z |
| Information: | Summary
| License
| FGDC
| ISO 19115
| Metadata
| Background
| Data Access Form
| Files
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Zoom:
![[The graph you specified. Please be patient.]](https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_949729_v1.png?longitude,latitude,DOY_UTC&time%3E=2018-09-10T00%3A00%3A00Z&time%3C=2018-09-17T00%3A00%3A00Z&.draw=markers&.marker=5%7C5&.color=0x000000&.colorBar=%7C%7C%7C%7C%7C&.bgColor=0xffccccff)
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Attributes {
s {
DOY_UTC {
Float32 actual_range 40.60908, 259.7782;
String long_name "Doy_utc";
String units "day (fraction)";
}
CO2_ppm {
Float32 actual_range 127.42, 8635.84;
String long_name "Co2_ppm";
String units "parts per million (ppm or micromol per mol)";
}
CO2_abs {
Float32 actual_range 0.03558338, 0.4436562;
String long_name "Co2_abs";
String units "unitless";
}
H2O_ppt {
Float32 actual_range 5.44804, 57.4843;
String long_name "H2o_ppt";
String units "parts per thousand (mmol mol⁻¹)";
}
H2Oabs {
Float32 actual_range 0.0434258, 0.2165199;
String long_name "H2oabs";
String units "unitless";
}
Cell_T {
Float32 actual_range 26.048, 51.3369;
String long_name "Cell_t";
String units "degrees C";
}
Cell_P {
Float32 actual_range 101.4844, 102.525;
String long_name "Cell_p";
String units "kPa";
}
pwrV_820 {
Float32 actual_range 14.9585, 22.05505;
String long_name "Pwrv_820";
String units "volts (V)";
}
Temp_C {
Float32 actual_range 13.06, 37.85;
String long_name "Temp_c";
String units "degrees C";
}
Press_kPa {
Float32 actual_range 101.32, 102.51;
String long_name "Press_kpa";
String units "kPa";
}
Temp_V {
Float32 actual_range 2.3179, 3.5996;
String long_name "Temp_v";
String units "volts (V)";
}
Press_V {
Float32 actual_range 3.5874, 3.6842;
String long_name "Press_v";
String units "volts (V)";
}
IO3 {
Int32 actual_range 0, 0;
String long_name "Io3";
String units "unitless";
}
IO4 {
Int32 actual_range 0, 0;
String long_name "Io4";
String units "unitless";
}
IO5 {
Int32 actual_range 0, 0;
String long_name "Io5";
String units "unitless";
}
valve1pos {
Int32 actual_range 1, 2;
String long_name "Valve1pos";
String units "unitless";
}
TSG_T {
Float32 actual_range 26.5787, 39.8828;
String long_name "Tsg_t";
String units "degrees C";
}
TSG_S {
Float32 actual_range 0.0268, 16.5645;
String long_name "Tsg_s";
String units "dimensionless";
}
latitude {
String _CoordinateAxisType "Lat";
Float32 actual_range 29.31003, 29.60719;
String axis "Y";
String ioos_category "Location";
String long_name "Gps_lat";
String standard_name "latitude";
String units "degrees_north";
}
longitude {
String _CoordinateAxisType "Lon";
Float32 actual_range -94.93256, -94.77398;
String axis "X";
String ioos_category "Location";
String long_name "Gps_lon";
String standard_name "longitude";
String units "degrees_east";
}
time {
String _CoordinateAxisType "Time";
Float64 actual_range 1.518187024e+9, 1.537123239e+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";
}
source_file_name {
String long_name "Source_file_name";
String units "Filename";
}
}
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.949729.1";
Float64 Easternmost_Easting -94.77398;
Float64 geospatial_lat_max 29.60719;
Float64 geospatial_lat_min 29.31003;
String geospatial_lat_units "degrees_north";
Float64 geospatial_lon_max -94.77398;
Float64 geospatial_lon_min -94.93256;
String geospatial_lon_units "degrees_east";
String history
"2026-09-02T12:10:42Z (local files)
2026-09-02T12:10:42Z https://erddap.bco-dmo.org/tabledap/bcodmo_dataset_949729_v1.das";
String infoUrl "https://osprey.bco-dmo.org/dataset/949729";
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 29.60719;
String sourceUrl "(local files)";
Float64 Southernmost_Northing 29.31003;
String summary "Quantifying the direction and magnitude of CO2 flux in estuaries is necessary to constrain the global carbon cycle, yet carbonate systems and CO2 flux in subtropical and urbanized estuaries are not yet fully determined. To estimate the CO2 flux for Galveston Bay, a subtropical estuary located in the northwestern Gulf of Mexico proximal to the Houston-Galveston metroplex, monthly cruises were conducted along a transect extending from the Houston ship channel to the mouth of Galveston Bay and Gulf of Mexico from October 2017 to September 2018. Underway pCO2measurements were recorded using a Shipboard Underway pCO2 Environmental Recorder (SUPER-CO2) system. CO2flux was calculated for 0.025° x 0.025° latitude increments along the transect and total CO2 flux for the Bay was estimated. Mean Bay water pCO2was 384.2 ± 56.7 µatm. A large freshwater inflow event in spring was followed by a period of dilution (low salinity, TA, and DIC) and enhanced primary production (low pCO2, water, CO2 uptake, and high chlorophyll-a levels). CO2 flux exhibited large seasonal and spatial variability, likely primarily due to seasonality in photosynthesis and variability of freshwater inflow events. Overall, Galveston Bay was a sink for CO2, with a mean air-sea CO2 flux of -8.3 ± 17.3 mmol m-2 d-1, and carbonate chemistry in Galveston Bay was regulated by an interaction between hydrology and biogeochemistry. The carbonate chemistry and CO2 uptake patterns of Galveston Bay differ from those that are common in temperate estuaries, which reiterates the need for further research in subtropical estuaries.";
String time_coverage_end "2018-09-16T18:40:39Z";
String time_coverage_start "2018-02-09T14:37:04Z";
String title "[Houston Galveston Bay pCO2] - pCO2 underway measurements collected aboard the R/V Trident in Galveston Bay, Northwestern Gulf of Mexico from October 2017 to September 2018 (RAPID: Capturing the Signature of Hurricane Harvey on Texas Coastal Lagoons)";
Float64 Westernmost_Easting -94.93256;
}
}
Data Access Protocol (DAP) and its
selection constraints.
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.