ERDDAP > tabledap > Data Access Form

Dataset Title:	Machias, ME, Hohonu (Ultrasonic) tide gauge
Institution:	Gulf of Maine Research Institute   (Dataset ID: Hohonu_tide_Machias_ultrasonic)
Information:	Summary | License | FGDC | ISO 19115 | Metadata | Background | Files | Make a graph

 

Variable	Optional Constraint #1		Optional Constraint #2		Minimum	Maximum
latitude (degrees_north)	!= =~ <= >= = < >		!= =~ <= >= = < >		44.7195	44.7195
longitude (degrees_east)	!= =~ <= >= = < >		!= =~ <= >= = < >		-67.4496	-67.4496
time (julian day (UT), UTC)	!= =~ <= >= = < >		!= =~ <= >= = < >
navd88_meters (m)	!= =~ <= >= = < >		!= =~ <= >= = < >		-3.216	5.206
navd88_feet (feet)	!= =~ <= >= = < >		!= =~ <= >= = < >		-10.55	17.08
hohonu_forecast_navd88_meters (m)	!= =~ <= >= = < >		!= =~ <= >= = < >		-6.212	3.063
hohonu_forecast_navd88_feet (feet)	!= =~ <= >= = < >		!= =~ <= >= = < >		-20.38	10.05
navd88_meters_qartod_gross_range_test	!= =~ <= >= = < >		!= =~ <= >= = < >		1	9
navd88_meters_qartod_rate_of_change_test	!= =~ <= >= = < >		!= =~ <= >= = < >		1	9
navd88_meters_qartod_spike_test	!= =~ <= >= = < >		!= =~ <= >= = < >		1	9
navd88_meters_qartod_flat_line_test	!= =~ <= >= = < >		!= =~ <= >= = < >		1	9
qartod_qc_rollup (Aggregate Quality Flag)	!= =~ <= >= = < >		!= =~ <= >= = < >		1	9

 

Server-side Functions

distinct()

orderBy orderByDescending orderByClosest orderByCount orderByLimit orderByMax orderByMin orderByMinMax orderByMean orderBySum (" latitude longitude time navd88_meters navd88_feet hohonu_forecast_navd88_meters hohonu_forecast_navd88_feet navd88_meters_qartod_gross_range_test navd88_meters_qartod_rate_of_change_test navd88_meters_qartod_spike_test navd88_meters_qartod_flat_line_test qartod_qc_rollup latitude longitude time navd88_meters navd88_feet hohonu_forecast_navd88_meters hohonu_forecast_navd88_feet navd88_meters_qartod_gross_range_test navd88_meters_qartod_rate_of_change_test navd88_meters_qartod_spike_test navd88_meters_qartod_flat_line_test qartod_qc_rollup latitude longitude time navd88_meters navd88_feet hohonu_forecast_navd88_meters hohonu_forecast_navd88_feet navd88_meters_qartod_gross_range_test navd88_meters_qartod_rate_of_change_test navd88_meters_qartod_spike_test navd88_meters_qartod_flat_line_test qartod_qc_rollup latitude longitude time navd88_meters navd88_feet hohonu_forecast_navd88_meters hohonu_forecast_navd88_feet navd88_meters_qartod_gross_range_test navd88_meters_qartod_rate_of_change_test navd88_meters_qartod_spike_test navd88_meters_qartod_flat_line_test qartod_qc_rollup latitude longitude time navd88_meters navd88_feet hohonu_forecast_navd88_meters hohonu_forecast_navd88_feet navd88_meters_qartod_gross_range_test navd88_meters_qartod_rate_of_change_test navd88_meters_qartod_spike_test navd88_meters_qartod_flat_line_test qartod_qc_rollup ")

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 {
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 44.7195, 44.7195;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -67.4496, -67.4496;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  time {
    String _CoordinateAxisType "Time";
    String axis "T";
    String calendar "proleptic_gregorian";
    String ioos_category "Time";
    String long_name "julian day (UT)";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  navd88_meters {
    Float64 _FillValue NaN;
    Float64 actual_range -3.216, 5.206;
    String ancillary_variables "navd88_meters_qartod_spike_test navd88_meters_qartod_rate_of_change_test navd88_meters_qartod_gross_range_test navd88_meters_qartod_flat_line_test";
    String coordinates "latitude longitude";
    String datum "NAVD88";
    String ioos_category "Sea Level";
    String long_name "Sea surface height above geopotential datum";
    String standard_name "sea_surface_height_above_geopotential_datum";
    String units "m";
  }
  navd88_feet {
    Float64 _FillValue NaN;
    Float64 actual_range -10.55, 17.08;
    String coordinates "latitude longitude";
    String datum "NAVD88";
    String ioos_category "Sea Level";
    String long_name "Sea surface height above geopotential datum";
    String units "feet";
  }
  hohonu_forecast_navd88_meters {
    Float64 _FillValue NaN;
    Float64 actual_range -6.212, 3.063;
    String coordinates "latitude longitude";
    String datum "NAVD88";
    String ioos_category "Sea Level";
    String long_name "Hohonu forecasted Sea surface height above geopotential datum";
    String units "m";
  }
  hohonu_forecast_navd88_feet {
    Float64 _FillValue NaN;
    Float64 actual_range -20.38, 10.05;
    String coordinates "latitude longitude";
    String datum "NAVD88";
    String ioos_category "Sea Level";
    String long_name "Hohonu forecasted Sea surface height above geopotential datum";
    String units "feet";
  }
  navd88_meters_qartod_gross_range_test {
    Int32 actual_range 1, 9;
    String coordinates "latitude longitude";
    String flag_meanings "GOOD UNKNOWN SUSPECT FAIL MISSING";
    Float64 flag_values 1, 2, 3, 4, 9;
    String ioos_qc_config "{\"suspect_span\": [-2.2, 3], \"fail_span\": [-2.8, 3.5]}";
    String ioos_qc_module "qartod";
    String ioos_qc_target "navd88_meters";
    String ioos_qc_test "gross_range_test";
    String long_name "Gross Range Test Quality Flag";
    String standard_name "gross_range_test_quality_flag";
    Int32 valid_max 9;
    Int32 valid_min 1;
  }
  navd88_meters_qartod_rate_of_change_test {
    Int32 actual_range 1, 9;
    String coordinates "latitude longitude";
    String flag_meanings "GOOD UNKNOWN SUSPECT FAIL MISSING";
    Float64 flag_values 1, 2, 3, 4, 9;
    String ioos_qc_config "{\"threshold\": 0.001}";
    String ioos_qc_module "qartod";
    String ioos_qc_target "navd88_meters";
    String ioos_qc_test "rate_of_change_test";
    String long_name "Rate of Change Test Quality Flag";
    String standard_name "rate_of_change_test_quality_flag";
    Int32 valid_max 9;
    Int32 valid_min 1;
  }
  navd88_meters_qartod_spike_test {
    Int32 actual_range 1, 9;
    String coordinates "latitude longitude";
    String flag_meanings "GOOD UNKNOWN SUSPECT FAIL MISSING";
    Float64 flag_values 1, 2, 3, 4, 9;
    String ioos_qc_config "{\"suspect_threshold\": 0.15, \"fail_threshold\": 0.2}";
    String ioos_qc_module "qartod";
    String ioos_qc_target "navd88_meters";
    String ioos_qc_test "spike_test";
    String long_name "Spike Test Quality Flag";
    String standard_name "spike_test_quality_flag";
    Int32 valid_max 9;
    Int32 valid_min 1;
  }
  navd88_meters_qartod_flat_line_test {
    Int32 actual_range 1, 9;
    String coordinates "latitude longitude";
    String flag_meanings "GOOD UNKNOWN SUSPECT FAIL MISSING";
    Float64 flag_values 1, 2, 3, 4, 9;
    String ioos_qc_config "{\"threshold\": 0.005, \"suspect_threshold\": 2000, \"fail_threshold\": 3000}";
    String ioos_qc_module "qartod";
    String ioos_qc_target "navd88_meters";
    String ioos_qc_test "flat_line_test";
    String long_name "Flat Line Test Quality Flag";
    String standard_name "flat_line_test_quality_flag";
    Int32 valid_max 9;
    Int32 valid_min 1;
  }
  qartod_qc_rollup {
    Int32 actual_range 1, 9;
    String coordinates "latitude longitude";
    String flag_meanings "GOOD UNKNOWN SUSPECT FAIL MISSING";
    Float64 flag_values 1, 2, 3, 4, 9;
    String ioos_qc_module "qartod";
    String ioos_qc_test "qc_rollup";
    String long_name "Aggregate Quality Flag";
    String standard_name "aggregate_quality_flag";
    Int32 valid_max 9;
    Int32 valid_min 1;
  }
 }
  NC_GLOBAL {
    String _NCProperties "version=2,netcdf=4.9.2,hdf5=1.14.3";
    String cdm_data_type "Point";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_email "hbarnes@gmri.org";
    String creator_name "Hannah Barnes";
    String creator_type "institution";
    String creator_url "https://gmri.org";
    Float64 Easternmost_Easting -67.4496;
    String featureType "Point";
    Float64 geospatial_lat_max 44.7195;
    Float64 geospatial_lat_min 44.7195;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -67.4496;
    Float64 geospatial_lon_min -67.4496;
    String geospatial_lon_units "degrees_east";
    String history 
"2024-12-28T22:08:06Z (local files)
2024-12-28T22:08:06Z http://data.neracoos.org/erddap/tabledap/Hohonu_tide_Machias_ultrasonic.html";
    String infoUrl "https://gmri.org/projects/assessing-coastal-flood-risk-maine-communities/";
    String institution "Gulf of Maine Research Institute";
    String keywords "gauge, mean, meter, mllw, MLLW_feet, MLLW_meter, msl, onset, sea, station, Temp, temperature, tide, water level";
    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 44.7195;
    String project "NERACOOS";
    String project_url "https://neracoos.org";
    String publisher_email "info@neracoos.org";
    String publisher_phone "(603) 319 1785";
    String publisher_url "https://neracoos.org";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 44.7195;
    String standard_name_vocabulary "CF Standard Name Table v29";
    String summary 
"This is an ultrasonic gauge that shares a location with a RADAR based gauge.
";
    String testOutOfDate "now-1day";
    String tidal_datum_source "Manual";
    String title "Machias, ME, Hohonu (Ultrasonic) tide gauge";
    Float64 Westernmost_Easting -67.4496;
  }
}

 

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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.

 

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