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Dataset Title:	BUZZ_BAY - 2921-AA
Institution:	Coastal and Marine Hazards and Resources Program, U.S. Geological Survey (Dataset ID: BUZZ_BAY_2921_AA_cdf)
Range:	longitude = -70.81289 to -70.81289°E, latitude = 41.53467 to 41.53467°N, time = 1985-01-28T17:31:52Z to 1985-03-18T16:20:37Z
Information:	Summary \| License \| FGDC \| ISO 19115 \| Metadata \| Background \| Subset \| Data Access Form \| Files

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  station_id {
    String actual_range 
"BUZZ_BAY_2921_AA_cdf
BUZZ_BAY_2921_AA_cdf";
    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 41.53467, 41.53467;
    String axis "Y";
    String ioos_category "Location";
    String long_name "sensor latitude";
    String standard_name "latitude";
    String units "degrees_north";
    Float32 valid_max 41.534668;
    Float32 valid_min 41.534668;
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -70.81289, -70.81289;
    String axis "X";
    String ioos_category "Location";
    String long_name "sensor longitude";
    String standard_name "longitude";
    String units "degrees_east";
    Float32 valid_max -70.81289;
    Float32 valid_min -70.81289;
  }
  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 "2921-AA";
    String long_name "USGS-CMG time-series data from the Currents and Sediment Transport in Buzzards Bay project, mooring 292 and package 2921-AA. Investigation of the near-bottom circulation in Buzzards Bay and consequent transport of fine-grained sediments that may be contaminated with PCBs from inner New Bedford Harbor.";
    String nodc_name "FIXED PLATFORM, MOORINGS";
    String short_name "USGS-CMG time-series data: BUZZ_BAY - 292 - 2921-AA";
    String type "fixed";
  }
  time {
    UInt32 _ChunkSizes 1000;
    String _CoordinateAxisType "Time";
    Float64 actual_range 4.75781512e+8, 4.80010837e+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 -16.0, -16.0;
    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 -16.0;
    Float32 valid_min -16.0;
  }
  CD_310 {
    UInt32 _ChunkSizes 1000;
    Float32 actual_range 0.01446, 359.976;
    String ancillary_variables "platform";
    String code "R";
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 310;
    String FillValue "-9999.900390625";
    String FORTRAN_format "f8.2";
    String generic_name "vdir";
    String grid_mapping "crs";
    String ioos_category "Other";
    String long_name "Current direction";
    Float32 missing_value -9999.9;
    String platform "platform";
    Float32 sensor_depth 16.0;
    String serial_number "SD-009";
    String standard_name "direction_of_sea_water_velocity";
    String units "degree";
  }
  CS_300 {
    UInt32 _ChunkSizes 1000;
    Float32 actual_range 0.0048234, 0.33848;
    String ancillary_variables "platform";
    String code "R";
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 300;
    String FillValue "-9999.900390625";
    String FORTRAN_format "f8.2";
    String generic_name "vspd";
    String grid_mapping "crs";
    String ioos_category "Other";
    String long_name "Current speed";
    Float32 missing_value -9999.9;
    String platform "platform";
    Float32 sensor_depth 16.0;
    String serial_number "SD-009";
    String standard_name "sea_water_speed";
    String units "m/s";
  }
  C_50 {
    UInt32 _ChunkSizes 1000;
    Float32 actual_range 2.46828, 2.94245;
    String ancillary_variables "platform";
    String code "R";
    String comment "not translated from mhos";
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 50;
    String FillValue "-9999.900390625";
    String generic_name "con";
    String grid_mapping "crs";
    String ioos_category "Other";
    String long_name "Conductivity";
    Float32 missing_value -9999.9;
    String platform "platform";
    Float32 sensor_depth 16.0;
    String serial_number "C-61";
    String standard_name "sea_water_electrical_conductivity";
    String units "S/m";
  }
  P_4022 {
    UInt32 _ChunkSizes 1000;
    Float32 actual_range 24.3615, 26.4692;
    String ancillary_variables "platform";
    String code "R";
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 4022;
    String FillValue "-9999.900390625";
    String FORTRAN_format "f10.3";
    String generic_name "pres";
    String grid_mapping "crs";
    String ioos_category "Other";
    String long_name "Sea Water Pressure (interval)";
    Float32 missing_value -9999.9;
    String platform "platform";
    Float32 sensor_depth 16.0;
    String serial_number "P-0688";
    String standard_name "sea_water_pressure";
    String units "dbar";
  }
  P_4023 {
    UInt32 _ChunkSizes 1000;
    Float32 actual_range 24.3666, 26.4741;
    String ancillary_variables "platform";
    String code "R";
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 4023;
    String FillValue "-9999.900390625";
    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 -9999.9;
    String platform "platform";
    Float32 sensor_depth 16.0;
    String serial_number "P-0688";
    String standard_name "sea_water_pressure";
    String units "dbar";
  }
  SDP_850 {
    UInt32 _ChunkSizes 1000;
    Float32 actual_range 2.5e-6, 0.301006;
    String ancillary_variables "platform";
    String cell_methods "time: standard_deviation";
    String code "R";
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 850;
    String FillValue "-9999.900390625";
    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 -9999.9;
    String platform "platform";
    Float32 sensor_depth 16.0;
    String serial_number "P-0688";
    String standard_name "sea_water_pressure";
    String units "dbar";
  }
  S_40 {
    UInt32 _ChunkSizes 1000;
    Float32 actual_range 29.5282, 32.6827;
    String ancillary_variables "platform";
    String code "R";
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 40;
    String FillValue "-9999.900390625";
    String FORTRAN_format "f10.2";
    String generic_name "sal";
    String grid_mapping "crs";
    String ioos_category "Other";
    String long_name "Salinity";
    Float32 missing_value -9999.9;
    String platform "platform";
    Float32 sensor_depth 16.0;
    String standard_name "sea_water_practical_salinity";
    String units "1e-3";
  }
  TRN_107 {
    UInt32 _ChunkSizes 1000;
    Float32 actual_range 0.85936, 3.84275;
    String ancillary_variables "platform";
    String code "R";
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 107;
    String FillValue "-9999.900390625";
    String grid_mapping "crs";
    String ioos_category "Other";
    String long_name "TRANSMISSOMETER VOLTAGE 7";
    Float32 missing_value -9999.9;
    String platform "platform";
    Float32 sensor_depth 16.0;
    String serial_number "NT-101";
  }
  T_20 {
    UInt32 _ChunkSizes 1000;
    Float32 actual_range -1.811035, 3.359772;
    String ancillary_variables "platform";
    String code "R";
    String comment 
"Data is questionable, some falls below 0, 25-Nov-1997
";
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 20;
    String FillValue "-9999.900390625";
    String FORTRAN_format "f10.2";
    String generic_name "temp";
    String grid_mapping "crs";
    String ioos_category "Other";
    String long_name "Water Temperature";
    Float32 missing_value -9999.9;
    String platform "platform";
    Float32 sensor_depth 16.0;
    String serial_number "T-0004";
    String standard_name "sea_water_temperature";
    String units "degree_Celsius";
  }
  comp_1404 {
    UInt32 _ChunkSizes 1000;
    Float32 actual_range 39.375, 42.1875;
    String ancillary_variables "platform";
    String code "R";
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 1404;
    String FillValue "-9999.900390625";
    String FORTRAN_format "f10.1";
    String generic_name "comp";
    String grid_mapping "crs";
    String ioos_category "Other";
    String long_name "Instrument Heading (magnetic north)";
    Float32 missing_value -9999.9;
    String platform "platform";
    Float32 sensor_depth 16.0;
    String standard_name "platform_orientation";
    String units "degree";
  }
  tran_4010 {
    UInt32 _ChunkSizes 1000;
    Float32 actual_range 0.75194, 3.84031;
    String ancillary_variables "platform";
    String code "R";
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 4010;
    String FillValue "-9999.900390625";
    String FORTRAN_format "f10.3";
    String generic_name "trans";
    String grid_mapping "crs";
    String ioos_category "Other";
    String long_name "TRANSMISSION (VOLTS)     ";
    Float32 missing_value -9999.9;
    String platform "platform";
    Float32 sensor_depth 16.0;
    String serial_number "NT-101";
    String units "volts";
  }
  u_1205 {
    UInt32 _ChunkSizes 1000;
    Float32 actual_range -0.250003, 0.277844;
    String ancillary_variables "platform";
    String code "R";
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 1205;
    String FillValue "-9999.900390625";
    String generic_name "u";
    String grid_mapping "crs";
    String ioos_category "Other";
    String long_name "Eastward (u) velocity";
    Float32 missing_value -9999.9;
    String platform "platform";
    Float32 sensor_depth 16.0;
    String serial_number "SD-009";
    String standard_name "eastward_sea_water_velocity";
    String units "m/s";
  }
  upr_4001 {
    UInt32 _ChunkSizes 1000;
    Float32 actual_range 2.0, 31.8427;
    String ancillary_variables "platform";
    String code "R";
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 4001;
    String FillValue "-9999.900390625";
    String FORTRAN_format "f10.3";
    String generic_name "rotor";
    String grid_mapping "crs";
    String ioos_category "Other";
    String long_name "UPPER ROTOR SPEED     ";
    Float32 missing_value -9999.9;
    String platform "platform";
    Float32 sensor_depth 16.0;
    String serial_number "SD-009";
    String units "cm/s";
  }
  v_1206 {
    UInt32 _ChunkSizes 1000;
    Float32 actual_range -0.20441, 0.222759;
    String ancillary_variables "platform";
    String code "R";
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 1206;
    String FillValue "-9999.900390625";
    String generic_name "v";
    String grid_mapping "crs";
    String ioos_category "Other";
    String long_name "Northward (v) velocity";
    Float32 missing_value -9999.9;
    String platform "platform";
    Float32 sensor_depth 16.0;
    String serial_number "SD-009";
    String standard_name "northward_sea_water_velocity";
    String units "m/s";
  }
  van_1403 {
    UInt32 _ChunkSizes 1000;
    Float32 actual_range 0.0, 357.188;
    String ancillary_variables "platform";
    String code "R";
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 1403;
    String FillValue "-9999.900390625";
    String FORTRAN_format "f10.1";
    String generic_name "vane";
    String grid_mapping "crs";
    String ioos_category "Other";
    String long_name "Instrument Heading (vane)";
    Float32 missing_value -9999.9;
    String platform "platform";
    Float32 sensor_depth 16.0;
    String standard_name "platform_orientation";
    String units "degree";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "station_id";
    Int32 COMPOSITE 0;
    String contributor_name "B. Butman";
    String contributor_role "principalInvestigator";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String COORD_SYSTEM "GEOGRAPHICAL";
    String CREATION_DATE "09:07 25-APR-97";
    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";
    Int32 cycles 18798;
    String DATA_CMNT 
" B.B. - C. ; MID CHANNEL.  R2 FOULED; ? THERM PROBLEM.  MV OK.\r
";
    String DATA_ORIGIN "USGS/WHFC";
    String DATA_TYPE "TIME";
    String date_created "2017-04-11T21:26:00Z";
    String date_issued "2017-04-11T21:26:00Z";
    String date_metadata_modified "2017-04-11T21:26:00Z";
    String date_modified "2017-04-11T21:26:00Z";
    Int32 days 48;
    String DELTA_T 
"3.75 minutes\r
";
    Int32 DEPTH_CONST 0;
    String DESCRIPT "?";
    Int32 DRIFTER 0;
    Float64 Easternmost_Easting -70.81289;
    String EXPERIMENT "?";
    String experiment_name "BUZZ_BAY";
    String featureType "TimeSeries";
    Int32 FILL_FLAG 0;
    String geospatial_bounds "POINT(-70.8128890991211 41.53466796875)";
    String geospatial_bounds_crs "EPSG:4326";
    Float64 geospatial_lat_max 41.53467;
    Float64 geospatial_lat_min 41.53467;
    Float64 geospatial_lat_resolution 0;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -70.81289;
    Float64 geospatial_lon_min -70.81289;
    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 20:15:20 2019: ncatted -a project,global,a,c,, CMG_Portal BUZZ_BAY/2921-AA.cdf
Original file creation date was 13:54 MAR 20,'86\r
Converted to EPIC/NetCDF Fri Dec  6 15:06:39 1996

Original ascii file was a2921x01.ascChanged epic code 310 to 310 on Thu Apr 24 18:17:34 1997
Changed epic code 300 to 300 on Thu Apr 24 18:17:34 1997
Changed epic code 4020 to 4001 on Thu Apr 24 18:17:34 1997
Changed epic code 4023 to 1403 on Thu Apr 24 18:17:34 1997
Changed epic code 4002 to 1404 on Thu Apr 24 18:17:34 1997
Changed epic code 20 to 20 on Thu Apr 24 18:17:34 1997
Changed epic code 4026 to 4022 on Thu Apr 24 18:17:34 1997
Changed epic code 4027 to 4023 on Thu Apr 24 18:17:34 1997
Changed epic code 4025 to 850 on Thu Apr 24 18:17:34 1997
Changed epic code 107 to 107 on Thu Apr 24 18:17:34 1997

2017-04-11T21:26:00Z - pyaxiom - File created using pyaxiom
2024-12-12T06:29:16Z (local files)
2024-12-12T06:29:16Z https://cmgds.marine.usgs.gov/tabledap/BUZZ_BAY_2921_AA_cdf.das";
    String id "2921-AA";
    String infoUrl "https://cmgds.marine.usgs.gov/ocean-time-series/";
    String INST_TYPE "SD-009 T-0004 P-0688 C-61 NT-101 ";
    String institution "Coastal and Marine Hazards and Resources Program, U.S. Geological Survey";
    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";
    Float32 latitude 41.534668;
    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.";
    Float32 longitude -70.81289;
    String magnetic_variation_deg "-15.0";
    Float64 MOORING 292;
    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 41.53467;
    String original_filename "2921-AA.cdf";
    String original_folder "BUZZ_BAY";
    Int32 POS_CONST 0;
    String PROJECT "?";
    String project "U.S. Geological Survey Oceanographic Time-Series Data, CMG_Portal";
    String project_summary "Investigation of the near-bottom circulation in Buzzards Bay and consequent transport of fine-grained sediments that may be contaminated with PCBs from inner New Bedford Harbor.";
    String project_title "Currents and Sediment Transport in Buzzards Bay";
    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 41.53467;
    String standard_name_vocabulary "CF-1.6";
    String start_time "28-Jan-1985 17:31:52";
    String stop_time "18-Mar-1985 16:20:37";
    String subsetVariables "station_id";
    String summary "BUZZ_BAY - 2921-AA";
    String time_coverage_duration "PT4229325S";
    String time_coverage_end "1985-03-18T16:20:37Z";
    String time_coverage_start "1985-01-28T17:31:52Z";
    String title "BUZZ_BAY - 2921-AA";
    String VAR_DESC "attn v     upper lower vane compass temp int.p pres psdev con sal trans ";
    Int32 WATER_DEPTH 17;
    String WATER_MASS "?";
    Float64 Westernmost_Easting -70.81289;
    String WHOI_Buoy_Group_summary 
"2921-AA        start time = 28 Jan 1985  12:31:52  cycles = 18798
               stop  time = 18 Mar 1985  11:20:37  # days = 48
Expt. = 'USGS'  sampling interval = 3.75 minutes
Lat =  41.534668
Lon = -70.812889  File created:  13:54 MAR 20,'86
depth = 17m  Mag.var = -15.000000
#  Variable     Units        Codes Depth   Inst.   Minimum   Maximum
-- ------------ ------------ ----- ------- ------ --------- ---------
 1 TIME         SECONDS      T     
 2 U.1          CM/SEC       R       16.00 SD-009   -25.000    27.784
 3 V.1          CM/SEC       R       16.00 SD-009   -20.441    22.276
 4 VDIR.1       DEG          R       16.00 SD-009     0.014   359.976
 5 VSPD.1       CM/SEC       R       16.00 SD-009     0.482    33.848
 6 INT_ROTOR1   CM/SEC       R       16.00 SD-009     2.000    31.843
 7 VANE         ANG.DEG.     R       16.00            0.000   357.188
 8 COMPASS      ANG.DEG.     R       16.00           39.375    42.188
 9 TEMPERATURE  DEG.CELC     R       16.00 T-0004    -1.811     3.360
10 PRESSURE-I   MILLIBARS    R       16.00 P-0688  2436.153  2646.916
11 PRESSURE-B   MILLIBARS    R       16.00 P-0688  2436.659  2647.406
12 PSDEV                     R       16.00 P-0688     0.000    30.101
13 CONDUCTIVIT14 SALINITY     PPT         15 TRANS1       TIME is expressed as YEAR-MONTH-DAY  HOUR.MINUTE.SECOND
";
  }
}

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.