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Dataset Title:  Wave Data - CODAR SeaSonde - 13MHz - Brant Beach, NJ Subscribe RSS
Institution:  Center for Ocean Observing and Leadership, Department of Marine & Coastal Sciences, Rutgers University   (Dataset ID: realtime_waves_13mhz_brnt)
Range: longitude = -74.961464 to -74.1983°E, latitude = 38.931168 to 39.615517°N, time = 2017-06-06T20:00:00Z to 2022-09-01T15:40:00Z
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Subset | Data Access Form | Files
 
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[The graph you specified. Please be patient.]

 

Things You Can Do With Your Graphs

Well, you can do anything you want with your graphs, of course. But some things you might not have considered are:

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.4967792e+9, 1.6620468e+9;
    String axis "T";
    String calendar "gregorian";
    String ioos_category "Time";
    String long_name "Universal Time Coordinated (UTC) Time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  wave_height {
    Float64 _FillValue -999.0;
    Float64 actual_range 0.21, 4.99;
    Float64 colorBarMaximum 10.0;
    Float64 colorBarMinimum 0.0;
    String comment "wave model height in meters for every one of three waves";
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String ioos_category "Surface Waves";
    String long_name "wave model height in meters";
    String standard_name "sea_surface_wave_significant_height";
    String units "m";
    Float64 valid_max 100.0;
    Float64 valid_min 0.0;
  }
  wave_period {
    Float64 _FillValue -999.0;
    Float64 actual_range 3.0, 17.0;
    Float64 colorBarMaximum 20.0;
    Float64 colorBarMinimum 0.0;
    String comment "wave spectra period in seconds";
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String ioos_category "Surface Waves";
    String long_name "wave spectra period in seconds";
    String standard_name "sea_surface_wave_mean_period";
    String units "s";
    Float64 valid_max 100.0;
    Float64 valid_min 0.0;
  }
  wave_bearing {
    Float64 _FillValue -999.0;
    Float64 actual_range 0.7, 359.8;
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    String comment "wave from direction in degrees";
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String ioos_category "Surface Waves";
    String long_name "wave from direction in degrees";
    String standard_name "sea_surface_wave_from_direction";
    String units "degrees";
    Float64 valid_max 360.0;
    Float64 valid_min 0.0;
  }
  wind_bearing {
    Float64 _FillValue -999.0;
    Float64 actual_range 0.0, 359.9;
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    String comment "wind from direction in degrees";
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "crs";
    String ioos_category "Surface Waves";
    String long_name "wind from direction in degrees";
    String standard_name "sea_surface_wind_wave_from_direction";
    String units "degrees";
    Float64 valid_max 360.0;
    Float64 valid_min 0.0;
  }
  maximum_observable_wave_height {
    Float64 _FillValue -999.0;
    Float64 actual_range 0.0, 6.01;
    Float64 colorBarMaximum 10.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Surface Waves";
    String long_name "Sea Surface Wave Significant Height";
    String standard_name "sea_surface_wave_significant_height";
  }
  cross_spectra_averaged_count {
    Float64 _FillValue -999.0;
    Float64 actual_range 8.0, 63.0;
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Statistics";
    String long_name "Cross Spectra Averaged Count";
  }
  distance_from_origin {
    Float64 _FillValue -999.0;
    String ioos_category "Unknown";
    String long_name "Distance From Origin";
  }
  range_cell_result {
    Float64 _FillValue -999.0;
    Float64 actual_range 2.0, 10.0;
    String ioos_category "Unknown";
    String long_name "Range Cell Result";
  }
  doppler_points_used {
    Float64 _FillValue -999.0;
    Float64 actual_range 10.0, 26.0;
    String ioos_category "Unknown";
    String long_name "Doppler Points Used";
  }
  wave_method {
    Float64 _FillValue -999.0;
    Float64 actual_range 1.0, 2.0;
    String ioos_category "Surface Waves";
    String long_name "Wave Method";
  }
  vector_flag {
    Float64 _FillValue -999.0;
    Float64 actual_range 0.0, 1282.0;
    Float64 colorBarMaximum 150.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Quality";
    String long_name "Vector Flag";
  }
  num_valid_source_wave_vectors {
    Float64 _FillValue -999.0;
    Float64 actual_range 1.0, 63.0;
    String ioos_category "Surface Waves";
    String long_name "Num Valid Source Wave Vectors";
  }
  standard_deviation_of_wave_heights {
    Float64 _FillValue -999.0;
    Float64 actual_range 0.0, 2.83;
    Float64 colorBarMaximum 50.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Statistics";
    String long_name "Standard Deviation Of Wave Heights";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 _FillValue -999.0;
    Float64 actual_range -74.9614667, -74.1983;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String grid_mapping "crs";
    String ioos_category "Location";
    String long_name "Longitude";
    String short_name "lon";
    String standard_name "longitude";
    String units "degrees_east";
    Float64 valid_max 180.0;
    Float64 valid_min -180.0;
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 _FillValue -999.0;
    Float64 actual_range 38.9311667, 39.6155167;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String grid_mapping "crs";
    String ioos_category "Location";
    String long_name "Latitude";
    String short_name "lat";
    String standard_name "latitude";
    String units "degrees_north";
    Float64 valid_max 90.0;
    Float64 valid_min -90.0;
  }
  crs {
    Float64 _FillValue NaN;
    String comment "http://www.opengis.net/def/crs/EPSG/0/4326";
    String epsg_code "EPSG:4326";
    String grid_mapping_name "latitude_longitude";
    Float64 inverse_flattening 298.257223563;
    String ioos_category "Unknown";
    String long_name "Coordinate Reference System";
    String semi_major_axis "6378137.0";
  }
  instrument {
    Float64 _FillValue NaN;
    String ioos_category "Unknown";
    String long_name "CODAR SeaSonde High Frequency Radar";
    String make_model "CODAR SeaSonde";
    String sensor_type "Direction-finding high frequency radar antenna";
    Float64 serial_number 1;
  }
 }
  NC_GLOBAL {
    String _NCProperties "version=2,netcdf=4.7.4,hdf5=1.10.6";
    String acknowledgement "This data is provided by the Mid-Atlantic Regional Association Coastal Ocean Observing System (MARACOOS). Funding is provided by the U.S. Integration Ocean Observing System (IOOS).";
    String AntennaBearing "193.0";
    String BraggHasSecondOrder "1";
    String BraggSmoothingPoints "2";
    String cdm_data_type "Point";
    String CoastlineSector "90.0, 270.0";
    String comment "Network maintained by MARACOOS. See references attribute";
    String contributor_name "Scott Glenn, Josh Kohut, Hugh Roarty, Ethan Handel, Michael Smith, Laura Nazzaro, Teresa Updyke, Larry Atkinson, Rich Arena, Wendell Brown, Mike Muglia, Harvey Seim";
    String contributor_role "Principal Investigator, Principal Investigator, Principal Investigator, Hardware Maintenance, Data Manager, Data Manager, Hardware Maintenance, Principal Investigator, Hardware Maintenance, Principal Investigator, Hardware Maintenance, Principal Investigator";
    String Conventions "CF-1.6, ACDD-1.3, COARDS";
    String creator_email "michaesm@marine.rutgers.edu";
    String creator_institution "Rutgers University";
    String creator_name "Michael Smith";
    String creator_type "person";
    String creator_url "rucool.marine.rutgers.edu";
    String CTF "1.00";
    String CurrentVelocityLimit "180";
    String date_created "2020-12-21T20:33:51Z";
    String date_issued "2020-12-21T20:33:51Z";
    String date_metadata_modified "2020-12-21T20:33:51Z";
    String date_modified "2020-12-21T20:33:51Z";
    String DopplerCells "512";
    Float64 Easternmost_Easting -74.1983;
    String featureType "Point";
    String FileType "WVMD WVM9 \"Wave History\"";
    Float64 geospatial_lat_max 39.6155167;
    Float64 geospatial_lat_min 38.9311667;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -74.1983;
    Float64 geospatial_lon_min -74.9614667;
    String geospatial_lon_units "degrees_east";
    String geospatial_vertical_positive "down";
    String grid_mapping_comment "http://www.opengis.net/def/crs/EPSG/0/4326";
    String grid_mapping_epsg_code "EPSG:4326";
    Float64 grid_mapping_inverse_flattening 298.257223563;
    String grid_mapping_long_name "Coordinate Reference System";
    String grid_mapping_name "latitude_longitude";
    String grid_mapping_semi_major_axis "6378137.0";
    String history 
"Half-hourly codar wave data from one site into one daily file containing wave heights.
2024-03-28T22:13:28Z (local files)
2024-03-28T22:13:28Z http://hfr.marine.rutgers.edu/tabledap/realtime_waves_13mhz_brnt.das";
    String infoUrl "https://maracoos.org/node/146";
    String institution "Center for Ocean Observing and Leadership, Department of Marine & Coastal Sciences, Rutgers University";
    String instrument "CODAR SeaSonde High Frequency Radar";
    String keywords "13mhz, advisories, applications, association, atlantic, averaged, beach, brant, cell, center, circulation, coastal, codar, coordinate, coordinated, count, cross, cross_spectra_averaged_count, crs, data, degrees, department, deviation, direction, distance, distance_from_origin, doppler, doppler_points_used, dynamics, earth, Earth Science > Oceans > Coastal Processes, Earth Science > Oceans > Ocean Circulation, Earth Science > Oceans > Ocean Tides, Earth Science > Oceans > Ocean Waves, Earth Science > Oceans > Ocean Waves > Significant Wave Height, Earth Science > Oceans > Ocean Waves > Wave Speed/Direction, Earth Science > Oceans > Ocean Winds, Earth Science > Spectral/Engineering > Radar, engineering, environmental, Environmental Advisories > Marine Advisories > Marine Weather/Forecast, flag, forecast, frequency, height, heights, high, instrument, latitude, leadership, longitude, maracoos, marine, maximum_observable_wave_height, mean, meters, method, mid, mid-atlantic, model, num, num_valid_source_wave_vectors, observing, ocean, oceans, origin, period, points, processes, quality, radar, range, range_cell_result, reference, regional, result, rutgers, science, sciences, sea, sea_surface_wave_from_direction, sea_surface_wave_mean_period, sea_surface_wave_significant_height, sea_surface_wind_wave_from_direction, seasonde, seconds, significant, source, spectra, spectral, spectral/engineering, speed, standard, standard_deviation_of_wave_heights, statistics, surface, surface waves, system, tides, time, universal, university, used, valid, vector, vector_flag, vectors, wave, wave_bearing, wave_height, wave_method, wave_period, waves, weather, weather/forecast, wind, wind_bearing, winds";
    String keywords_vocabulary "GCMD Science Keywords";
    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.";
    String Manufacturer "CODAR Ocean Sensors. SeaSonde";
    String MaximumWavePeriod "17.0";
    String naming_authority "edu.rutgers.marine.rucool";
    Float64 Northernmost_Northing 39.6155167;
    String Origin "38.9311667  -74.9614667";
    String platform "MARACOOS HF Radar 5MHz Network";
    String processing_level "Level 2";
    String project "Mid-Atlantic Regional Association Coastal Ocean Observing System - High Frequency Radar Sea Surface Current Mapping";
    String publisher_email "michaesm@marine.rutgers.edu";
    String publisher_name "Center for Ocean Observing and Leadership, Department of Marine & Coastal Sciences, Rutgers University";
    String publisher_type "group";
    String publisher_url "rucool.marine.rutgers.edu";
    String RangeCells "60";
    String references "https://maracoos.org/node/146 https://rucool.marine.rutgers.edu/facilities https://rucool.marine.rutgers.edu/data";
    String sea_name "Mid-Atlantic Bight";
    String Site "CMPT";
    String source "CODAR SeaSonde Surface Current Mapping Device";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 38.9311667;
    String standard_name_vocabulary "CF Standard Name Table v41";
    String subsetVariables "distance_from_origin, longitude, latitude, crs, instrument";
    String summary "Mid-Atlantic Regional Association Coastal Ocean Observing System (MARACOOS) Wave Heights. Ocean Wave Heights. Center for Ocean Observing and Leadership, Department of Marine & Coastal Sciences, Rutgers University data from a local source.";
    String time_coverage_end "2022-09-01T15:40:00Z";
    String time_coverage_start "2017-06-06T20:00:00Z";
    String TimeCoverage "0.250";
    String TimeStamp "2022-09-01 00:00:00";
    String TimeZone "UTC";
    String title "Wave Data - CODAR SeaSonde - 13MHz - Brant Beach, NJ";
    String TransmitBandwidthKHz "-149.808136";
    String TransmitCenterFreqMHz "26.300001";
    String TransmitSweepRateHz "4.000000";
    String WaveBearingLimits "330.0, 230.0";
    String WaveBraggNoiseThreshold "3.2";
    String WaveBraggPeakDropOff "100.0";
    String WaveBraggPeakNull "10.0";
    String WaveMergeMethod "1";
    String WaveMinDopplerPoints "10";
    String WaveUseInnerBragg "0";
    Float64 Westernmost_Easting -74.9614667;
  }
}

 

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.

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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