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Data Access Form

Dataset Title:	HUDSON_SVALLEY - 5972psd-a
Institution:	Coastal and Marine Hazards and Resources Program, U.S. Geological Survey (Dataset ID: HUDSON_SVALLEY_5972psd_a_nc)
Information:	Summary \| License \| FGDC \| ISO 19115 \| Metadata \| Background \| Subset \| Files \| Make a graph

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Variable

Optional
Constraint #1

Optional
Constraint #2

Minimum

or a List of Values

Maximum

station_id

feature_type_instance

"5972psd-a"

latitude (sensor latitude, degrees_north)

40.31643

longitude (sensor longitude, degrees_east)

-73.79107

crs

-2147483647

platform

-2147483647

time (time of measurement, UTC)

2000-04-21T11:03:04Z

2000-05-14T08:27:56Z

z (m)

-53.25

NAV_105 (NUMBER POINTS IN AVERAGE)

239.0

300.0

P_4023 (dbar)

64.17876

66.23702

SDP_850 (dbar)

0.006576087

0.1355557

Server-side Functions

distinct()

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File type: (more information)

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  station_id {
    String actual_range 
"HUDSON_SVALLEY_5972psd_a_nc
HUDSON_SVALLEY_5972psd_a_nc";
    String cf_role "timeseries_id";
    String ioos_category "Identifier";
    String long_name "Station ID";
  }
  feature_type_instance {
    String ioos_category "Identifier";
    String long_name "Identifier for each feature type instance";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 40.31643, 40.31643;
    String axis "Y";
    String ioos_category "Location";
    String long_name "sensor latitude";
    String standard_name "latitude";
    String units "degrees_north";
    Float32 valid_max 40.316433;
    Float32 valid_min 40.316433;
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -73.79107, -73.79107;
    String axis "X";
    String ioos_category "Location";
    String long_name "sensor longitude";
    String standard_name "longitude";
    String units "degrees_east";
    Float32 valid_max -73.79107;
    Float32 valid_min -73.79107;
  }
  crs {
    Int32 actual_range -2147483647, -2147483647;
    String epsg_code "EPSG:4326";
    String grid_mapping_name "latitude_longitude";
    Float64 inverse_flattening 298.257223563;
    String ioos_category "Identifier";
    String long_name "http://www.opengis.net/def/crs/EPSG/0/4326";
    Float64 semi_major_axis 6378137.0;
  }
  platform {
    Int32 actual_range -2147483647, -2147483647;
    String definition "http://mmisw.org/ont/ioos/definition/stationID";
    String ioos_category "Identifier";
    String ioos_code "5972psd-a";
    String long_name "USGS-CMG time-series data from the Circulation and Sediment Transport in the Hudson Shelf Valley project, mooring 597 and package 5972psd-a. Field experiments have been carried out to understand the transport of sediments and associated contaminants in the Hudson Shelf Valley offshore of New York.";
    String nodc_name "FIXED PLATFORM, MOORINGS";
    String short_name "USGS-CMG time-series data: HUDSON_SVALLEY - 597 - 5972psd-a";
    String type "fixed";
  }
  time {
    UInt32 _ChunkSizes 1000;
    String _CoordinateAxisType "Time";
    Float64 actual_range 9.56314984e+8, 9.58292876e+8;
    String axis "T";
    String calendar "gregorian";
    String ioos_category "Time";
    String long_name "time of measurement";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  z {
    Float32 actual_range -53.25, -53.25;
    String axis "Z";
    String FillValue "-9999.900390625";
    String grid_mapping "crs";
    String ioos_category "Other";
    String long_name "z of the sensor relative to the water surface";
    String positive "up";
    String standard_name "height";
    String units "m";
    Float32 valid_max -53.25;
    Float32 valid_min -53.25;
  }
  NAV_105 {
    UInt32 _ChunkSizes 1000;
    Float32 actual_range 239.0, 300.0;
    String ancillary_variables "platform";
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 105;
    String FillValue "1.0000000409184788e+35";
    String grid_mapping "crs";
    String ioos_category "Other";
    String long_name "NUMBER POINTS IN AVERAGE";
    Float32 missing_value 1.0e+35;
    String platform "platform";
    Float32 sensor_depth 53.25;
  }
  P_4023 {
    UInt32 _ChunkSizes 1000;
    Float32 actual_range 64.17876, 66.23702;
    String ancillary_variables "platform";
    Float64 cal_AC 2060.74;
    Float64 cal_AH 2059.95;
    Float64 cal_BC 1140.38;
    Float64 cal_BH 1139.25;
    Float64 cal_T0C 24.90976;
    Float64 cal_T0H 24.91012;
    Float64 cal_TR 24.0;
    Float64 clock_hertz 2457581.9;
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 4023;
    String FillValue "1.0000000409184788e+35";
    String FORTRAN_format "f10.3";
    String generic_name "pres";
    String grid_mapping "crs";
    String ioos_category "Other";
    String long_name "Sea Water Pressure (average over burst)";
    Float32 missing_value 1.0e+35;
    Float64 period_count 6208.0;
    String platform "platform";
    Float32 sensor_depth 53.25;
    String sensor_type "Paroscientific ";
    String serial_number "1703";
    String standard_name "sea_water_pressure";
    String units "dbar";
  }
  SDP_850 {
    UInt32 _ChunkSizes 1000;
    Float32 actual_range 0.006576087, 0.1355557;
    String ancillary_variables "platform";
    Float64 cal_AC 2060.74;
    Float64 cal_AH 2059.95;
    Float64 cal_BC 1140.38;
    Float64 cal_BH 1139.25;
    Float64 cal_T0C 24.90976;
    Float64 cal_T0H 24.91012;
    Float64 cal_TR 24.0;
    String cell_methods "time: standard_deviation";
    Float64 clock_hertz 2457581.9;
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 850;
    String FillValue "1.0000000409184788e+35";
    String FORTRAN_format "f10.5";
    String generic_name "pres";
    String grid_mapping "crs";
    String ioos_category "Other";
    String long_name "Sea Water Pressure (standard deviation)";
    Float32 missing_value 1.0e+35;
    Float64 period_count 6208.0;
    String platform "platform";
    Float32 sensor_depth 53.25;
    String sensor_type "Paroscientific ";
    String serial_number "1703";
    String standard_name "sea_water_pressure";
    String units "dbar";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "station_id";
    Float64 COMPOSITE 1.0;
    String contributor_name "B. Butman";
    String contributor_role "principalInvestigator";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String CREATION_DATE "26-Feb-2001 13:04:38";
    String creator_email "rsignell@usgs.gov";
    String creator_name "Rich Signell";
    String creator_phone "+1 (508) 548-8700";
    String creator_url "https://www.usgs.gov";
    String DATA_CMNT "New York Bight Site B BASS MIDAS";
    String DATA_ORIGIN "USGS WHFC Sed Trans Grp";
    String date_created "2017-04-11T22:04:00Z";
    String date_issued "2017-04-11T22:04:00Z";
    String date_metadata_modified "2017-04-11T22:04:00Z";
    String date_modified "2017-04-11T22:04:00Z";
    String DELTA_T "300";
    String DESCRIPT "New York Bight Site B BASS MIDAS";
    Float64 Easternmost_Easting -73.79107;
    String EXPERIMENT "New York Bight";
    String experiment_name "HUDSON_SVALLEY";
    String featureType "TimeSeries";
    Int32 FILL_FLAG 0;
    String geospatial_bounds "POINT(-73.79106903076172 40.31643295288086)";
    String geospatial_bounds_crs "EPSG:4326";
    Float64 geospatial_lat_max 40.31643;
    Float64 geospatial_lat_min 40.31643;
    Float64 geospatial_lat_resolution 0;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -73.79107;
    Float64 geospatial_lon_min -73.79107;
    Float64 geospatial_lon_resolution 0;
    String geospatial_lon_units "degrees_east";
    String geospatial_vertical_positive "up";
    String geospatial_vertical_resolution "0";
    String geospatial_vertical_units "meters";
    String grid_mapping_epsg_code "EPSG:4326";
    Float64 grid_mapping_inverse_flattening 298.257223563;
    String grid_mapping_long_name "http://www.opengis.net/def/crs/EPSG/0/4326";
    String grid_mapping_name "latitude_longitude";
    Float64 grid_mapping_semi_major_axis 6378137.0;
    String history 
"Fri Nov  1 20:17:41 2019: ncatted -a project,global,a,c,, CMG_Portal HUDSON_SVALLEY/5972psd-a.nc
 Edited using range_delete.m to delete records unless NAV_105 is in the range 200 to 350.  :Time set to correct year.  :Concatenation of files 5972Qpsd-cal.nc through 5972Spsd-cal.nc :Calculated using midas_bst.m. Temperature variable T_20 from file 5972tc-m.nc used for pressure. :Converted to netCDF by MIDAS.EXE v2.20
2017-04-11T22:04:00Z - pyaxiom - File created using pyaxiom
2024-12-12T06:26:26Z (local files)
2024-12-12T06:26:26Z https://cmgds.marine.usgs.gov/erddap/tabledap/HUDSON_SVALLEY_5972psd_a_nc.html";
    String id "5972psd-a";
    String infoUrl "https://cmgds.marine.usgs.gov/ocean-time-series/";
    String INST_TYPE "MIDAS";
    String institution "Coastal and Marine Hazards and Resources Program, U.S. Geological Survey";
    String instrument_number "MIDAS4";
    String keywords "Earth Science > Oceans > Ocean Pressure > Water Pressure, Earth Science > Oceans > Ocean Temperature > Water Temperature, Earth Science > Oceans > Salinity/Density > Conductivity, Earth Science > Oceans > Salinity/Density > Salinity";
    String keywords_vocabulary "GCMD Science Keywords";
    Float64 latitude 40.316433333290945;
    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 longitude -73.79106903076172;
    Float64 magnetic_variation -13.0;
    Float64 MOORING 597;
    String naming_authority "gov.usgs.cmgp";
    String ncei_template_version "NCEI_NetCDF_TimeSeries_Orthogonal_Template_v2.0";
    String NCO "netCDF Operators version 4.8.1 (Homepage = http://nco.sf.net, Code = https://github.com/nco/nco)";
    String NCProperties "version=1|netcdflibversion=4.4.1.1|hdf5libversion=1.8.17";
    Float64 Northernmost_Northing 40.31643;
    String original_filename "5972psd-a.nc";
    String original_folder "HUDSON_SVALLEY";
    String PROJECT "WHFC";
    String project "U.S. Geological Survey Oceanographic Time-Series Data, CMG_Portal";
    String project_summary "Field experiments have been carried out to understand the transport of sediments and associated contaminants in the Hudson Shelf Valley offshore of New York.";
    String project_title "Circulation and Sediment Transport in the Hudson Shelf Valley";
    String publisher_email "emontgomery@usgs.gov";
    String publisher_name "Ellyn Montgomery";
    String publisher_phone "+1 (508) 548-8700";
    String publisher_url "https://www.usgs.gov";
    String source "USGS";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 40.31643;
    String standard_name_vocabulary "CF-1.6";
    String start_time "21-Apr-2000 11:03:04";
    String stop_time "14-May-2000 08:27:56";
    String subsetVariables "station_id";
    String summary "HUDSON_SVALLEY - 5972psd-a";
    String time_coverage_duration "PT1977892S";
    String time_coverage_end "2000-05-14T08:27:56Z";
    String time_coverage_resolution "PT300S";
    String time_coverage_start "2000-04-21T11:03:04Z";
    String title "HUDSON_SVALLEY - 5972psd-a";
    String VAR_DESC "NAV:P:SDP";
    Float32 VAR_FILL NaN;
    Float64 WATER_DEPTH 55.5;
    Float64 water_depth 55.5;
    Float64 Westernmost_Easting -73.79107;
  }
}

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.