ERDDAP > tabledap > Data Access Form

Dataset Title:	West Falmouth Harbor, Massachusetts, 2016 - 10741hwlb-a
Institution:	Coastal and Marine Hazards and Resources Program, U.S. Geological Survey   (Dataset ID: WFAL_2016_10741hwlb_a_nc)
Information:	Summary | License | FGDC | ISO 19115 | Metadata | Background | Files | Make a graph

 

Variable	Optional Constraint #1		Optional Constraint #2		Minimum	Maximum
station_id	!= =~ <= >= = < >		!= =~ <= >= = < >		"WFAL_2016_10741hwl..."	"WFAL_2016_10741hwl..."
feature_type_instance	!= =~ <= >= = < >		!= =~ <= >= = < >		"10741hwlb-a"	"10741hwlb-a"
latitude (sensor latitude, degrees_north)	!= =~ <= >= = < >		!= =~ <= >= = < >		41.60392	41.60392
longitude (sensor longitude, degrees_east)	!= =~ <= >= = < >		!= =~ <= >= = < >		-70.639344	-70.639344
crs	!= =~ <= >= = < >		!= =~ <= >= = < >		-2147483647	-2147483647
platform	!= =~ <= >= = < >		!= =~ <= >= = < >		-2147483647	-2147483647
time (time of measurement, UTC)	!= =~ <= >= = < >		!= =~ <= >= = < >		2016-08-03T19:00:00Z	2016-10-31T12:48:00Z
z (m)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.45599999999999996	0.45599999999999996
BP_915 (Air Pressure, Pa)	!= =~ <= >= = < >		!= =~ <= >= = < >
T_21 (Air Temperature, degree_Celsius)	!= =~ <= >= = < >		!= =~ <= >= = < >

 

Server-side Functions

distinct()

orderBy orderByDescending orderByClosest orderByCount orderByLimit orderByMax orderByMin orderByMinMax orderByMean orderBySum (" station_id feature_type_instance latitude longitude crs platform time z BP_915 T_21 station_id feature_type_instance latitude longitude crs platform time z BP_915 T_21 station_id feature_type_instance latitude longitude crs platform time z BP_915 T_21 station_id feature_type_instance latitude longitude crs platform time z BP_915 T_21 station_id feature_type_instance latitude longitude crs platform time z BP_915 T_21 ")

File type: (more information) .asc - View OPeNDAP-style ISO-8859-1 comma-separated text. .csv - Download a ISO-8859-1 comma-separated text table (line 1: names; line 2: units; ISO 8601 times). .csvp - Download a ISO-8859-1 .csv file with line 1: name (units). Times are ISO 8601 strings. .csv0 - Download a ISO-8859-1 .csv file without column names or units. Times are ISO 8601 strings. .dataTable - A JSON file formatted for use with the Google Visualization client library (Google Charts). .das - View the dataset's metadata via an ISO-8859-1 OPeNDAP Dataset Attribute Structure (DAS). .dds - View the dataset's structure via an ISO-8859-1 OPeNDAP Dataset Descriptor Structure (DDS). .dods - OPeNDAP clients use this to download the data in the DODS binary format. .esriCsv - Download a ISO_8859_1 .csv file for ESRI's ArcGIS 9.x and below (separate date and time columns). .fgdc - View the dataset's UTF-8 FGDC .xml metadata. .geoJson - Download longitude,latitude,otherColumns data as a UTF-8 GeoJSON .json file. .graph - View a Make A Graph web page. .help - View a web page with a description of tabledap. .html - View an OPeNDAP-style HTML Data Access Form. .htmlTable - View a UTF-8 .html web page with the data in a table. Times are ISO 8601 strings. .iso19115 - View the dataset's ISO 19115-2/19139 UTF-8 .xml metadata. .itx - Download an ISO-8859-1 Igor Text File. Each response column becomes a wave. .json - View a table-like UTF-8 JSON file (missing value = 'null'; times are ISO 8601 strings). .jsonlCSV1 - View a UTF-8 JSON Lines CSV file with column names on line 1 (mv = 'null'; times are ISO 8601 strings). .jsonlCSV - View a UTF-8 JSON Lines CSV file without column names (mv = 'null'; times are ISO 8601 strings). .jsonlKVP - View a UTF-8 JSON Lines file with Key:Value pairs (missing value = 'null'; times are ISO 8601 strings). .mat - Download a MATLAB binary file. .nc - Download a flat, table-like, NetCDF-3 binary file with COARDS/CF/ACDD metadata. .ncHeader - View the UTF-8 header (the metadata) for the NetCDF-3 .nc file. .ncCF - Download a NetCDF-3 CF Discrete Sampling Geometries file (Contiguous Ragged Array). .ncCFHeader - View the UTF-8 header (the metadata) for the .ncCF file. .ncCFMA - Download a NetCDF-3 CF Discrete Sampling Geometries file (Multidimensional Array). .ncCFMAHeader - View the UTF-8 header (the metadata) for the .ncCFMA file. .nccsv - Download a NetCDF-3-like 7-bit ASCII NCCSV .csv file with COARDS/CF/ACDD metadata. .nccsvMetadata - View the dataset's metadata as the top half of a 7-bit ASCII NCCSV .csv file. .ncoJson - Download a UTF-8 NCO lvl=2 JSON file with COARDS/CF/ACDD metadata. .odvTxt - Download longitude,latitude,time,otherColumns as an ISO-8859-1 ODV Generic Spreadsheet File (.txt). .subset - View an HTML form which uses faceted search to simplify picking subsets of the data. .tsv - Download a ISO-8859-1 tab-separated text table (line 1: names; line 2: units; ISO 8601 times). .tsvp - Download a ISO-8859-1 .tsv file with line 1: name (units). Times are ISO 8601 strings. .tsv0 - Download a ISO-8859-1 .tsv file without column names or units. Times are ISO 8601 strings. .wav - Download a .wav audio file. All columns must be numeric and of the same type. .xhtml - View a UTF-8 XHTML (XML) file with the data in a table. Times are ISO 8601 strings. .kml - View a .kml file, suitable for Google Earth. .smallPdf - View a small .pdf image file with a graph or map. .pdf - View a standard, medium-sized .pdf image file with a graph or map. .largePdf - View a large .pdf image file with a graph or map. .smallPng - View a small .png image file with a graph or map. .png - View a standard, medium-sized .png image file with a graph or map. .largePng - View a large .png image file with a graph or map. .transparentPng - View a .png image file (just the data, without axes, landmask, or legend).

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  station_id {
    String actual_range 
"WFAL_2016_10741hwlb_a_nc
WFAL_2016_10741hwlb_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";
    Float64 actual_range 41.60392, 41.60392;
    String axis "Y";
    String ioos_category "Location";
    String long_name "sensor latitude";
    String standard_name "latitude";
    String units "degrees_north";
    Float64 valid_max 41.60392;
    Float64 valid_min 41.60392;
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 actual_range -70.639344, -70.639344;
    String axis "X";
    String ioos_category "Location";
    String long_name "sensor longitude";
    String standard_name "longitude";
    String units "degrees_east";
    Float64 valid_max -70.639344;
    Float64 valid_min -70.639344;
  }
  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 "10741hwlb-a";
    String long_name "USGS-CMG time-series data from the West Falmouth Harbor, Massachusetts, 2016 project, mooring 1074 and package 10741hwlb-a. Water level measurements collected in West Falmouth Harbor, MA, May - October 2016";
    String nodc_name "FIXED PLATFORM, MOORINGS";
    String short_name "USGS-CMG time-series data: WFAL_2016 - 1074 - 10741hwlb-a";
    String type "pvc stilling well, hose clamped to piling";
  }
  time {
    UInt32 _ChunkSizes 1000;
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.4702508e+9, 1.47791808e+9;
    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 {
    Float64 actual_range 0.45599999999999996, 0.45599999999999996;
    String axis "Z";
    String FillValue "-9999.9";
    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";
    Float64 valid_max 0.45599999999999996;
    Float64 valid_min 0.45599999999999996;
  }
  BP_915 {
    UInt32 _ChunkSizes 1000;
    String ancillary_variables "platform";
    String comment "data when sensor was under water at high tide replaced by fill value";
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 915;
    String FillValue "1.0000000409184788e+35";
    String grid_mapping "crs";
    String height_depth_units "m";
    Float64 initial_instrument_height -0.5;
    String ioos_category "Other";
    String long_name "Air Pressure";
    Float32 missing_value 1.0e+35;
    String platform "platform";
    Float64 sensor_depth -0.456;
    String serial_number "10313353";
    String standard_name "air_pressure";
    String units "Pa";
  }
  T_21 {
    UInt32 _ChunkSizes 1000;
    String ancillary_variables "platform";
    String comment "data when sensor was under water at high tide replaced by fill value";
    String coordinates "time z latitude longitude";
    String coverage_content_type "physicalMeasurement";
    Int32 epic_code 21;
    String FillValue "1.0000000409184788e+35";
    String grid_mapping "crs";
    String height_depth_units "m";
    Float64 initial_instrument_height -0.5;
    String ioos_category "Other";
    String long_name "Air Temperature";
    Float32 missing_value 1.0e+35;
    String platform "platform";
    Float64 sensor_depth -0.456;
    String serial_number "10313353";
    String standard_name "air_temperature";
    String units "degree_Celsius";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "station_id";
    String contributor_name "C. Sherwood";
    String contributor_role "principalInvestigator";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String COORD_SYSTEM "GEOGRAPHIC";
    String CREATION_DATE "05-Apr-2017 09:57:04";
    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_ORIGIN "USGS WHCMSC Sediment Transport Group";
    String DATA_SUBTYPE "MOORED";
    String date_created "2018-03-22T17:17:00Z";
    String date_issued "2018-03-22T17:17:00Z";
    String date_metadata_modified "2018-03-22T17:17:00Z";
    String date_modified "2018-03-22T17:17:00Z";
    Float64 DELTA_T 360.0;
    String Deployment_date "3-Aug-2016";
    Float64 DEPTH_CONST 0.0;
    Float64 DRIFTER 0.0;
    Float64 Easternmost_Easting -70.639344;
    String EXPERIMENT "West Falmouth Harbor Tide observations";
    String experiment_name "WFAL_2016";
    String featureType "TimeSeries";
    Float64 FILL_FLAG 1.0;
    String geospatial_bounds "POINT(-70.639344 41.60392)";
    String geospatial_bounds_crs "EPSG:4326";
    Float64 geospatial_lat_max 41.60392;
    Float64 geospatial_lat_min 41.60392;
    Float64 geospatial_lat_resolution 0;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -70.639344;
    Float64 geospatial_lon_min -70.639344;
    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 
"Mon Nov  4 14:00:41 2019: ncatted -a project,global,a,c,, CMG_Portal WFAL_2016/10741hwlb-a.nc
Trimmed using trunc_cdfNative,  SVN $Revision: 5793 $ to select records in the range 391 to 21689.
2018-03-22T17:17:00Z - pyaxiom - File created using pyaxiom
2025-04-07T12:54:15Z (local files)
2025-04-07T12:54:15Z https://cmgds.marine.usgs.gov/erddap/tabledap/WFAL_2016_10741hwlb_a_nc.html";
    String id "10741hwlb-a";
    String infoUrl "https://cmgds.marine.usgs.gov/ocean-time-series/";
    Float64 initial_instrument_height -0.5;
    String INST_TYPE "Hobo Water Level Logger";
    String institution "Coastal and Marine Hazards and Resources Program, U.S. Geological Survey";
    String institution_url "https://woodshole.er.usgs.gov";
    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 41.60392;
    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 -70.639344;
    Float64 magnetic_variation -14.71;
    Float64 MOORING 1074;
    String naming_authority "gov.usgs.cmgp";
    Float64 NAVD88_elevation_ref 1.486;
    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=4.5.0|hdf5libversion=1.10.1";
    Float64 Northernmost_Northing 41.60392;
    String original_filename "10741hwlb-a.nc";
    String original_folder "WFAL_2016";
    String P_units "kPa";
    String platform_type "PVC stilling well, hose clamped to piling";
    Float64 POS_CONST 0.0;
    String position_datum "NAD83(2011)";
    String PROJECT "USGS Coastal Marine Geology Program";
    String project "U.S. Geological Survey Oceanographic Time-Series Data, CMG_Portal";
    String project_summary "Water level measurements collected in West Falmouth Harbor, MA, May - October 2016";
    String project_title "West Falmouth Harbor, Massachusetts, 2016";
    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 Recovery_date "31-Oct-2016";
    String SciPi "C.Sherwood";
    Float64 sensor_offset_ref -1.03;
    String serial_number "10313353";
    String source "USGS";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 41.60392;
    String standard_name_vocabulary "CF-1.6";
    String start_time "03-Aug-2016 19:00:00";
    String stop_time "31-Oct-2016 12:48:00";
    String summary "Water level measurements collected in West Falmouth Harbor, MA, May - October 2016";
    String T_units "C";
    String time_coverage_duration "PT7667280S";
    String time_coverage_end "2016-10-31T12:48:00Z";
    String time_coverage_start "2016-08-03T19:00:00Z";
    String title "West Falmouth Harbor, Massachusetts, 2016 - 10741hwlb-a";
    Float64 WATER_DEPTH 0.0;
    String WATER_DEPTH_note "atmospheric sensor- see NAVD88_elevation + sensor offset";
    Float64 Westernmost_Easting -70.639344;
  }
}

 

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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 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.

• (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.