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Dataset Title:  West Sister Island (WE-13) Spotter Buoy Subscribe RSS
Institution:  University of Michigan CIGLR   (Dataset ID: obs_142)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Data Access Form
 
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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";
    String axis "T";
    String calendar "gregorian";
    String ioos_category "Time";
    String long_name "Time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  sea_surface_temperature {
    String ancillary_variables "sea_surface_temperature_gross_range_test sea_surface_temperature_spike_test sea_surface_temperature_rate_of_change_test sea_surface_temperature_flat_line_test sea_surface_temperature_aggregate sea_surface_temperature_fixed_depth";
    String ioos_category "Temperature";
    String platform "platform";
    String standard_name "sea_surface_temperature";
    String units "K";
  }
  sea_surface_temperature_gross_range_test {
    String _Unsigned "false";
    String flag_meanings "GOOD NOT_EVALUATED SUSPECT BAD MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String ioos_category "Quality";
    String standard_name "gross_range_test_quality_flag";
    Byte valid_max 9;
    Byte valid_min 1;
  }
  sea_surface_temperature_spike_test {
    String _Unsigned "false";
    String flag_meanings "GOOD NOT_EVALUATED SUSPECT BAD MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String ioos_category "Quality";
    String standard_name "spike_test_quality_flag";
    Byte valid_max 9;
    Byte valid_min 1;
  }
  sea_surface_temperature_rate_of_change_test {
    String _Unsigned "false";
    String flag_meanings "GOOD NOT_EVALUATED SUSPECT BAD MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String ioos_category "Quality";
    String standard_name "rate_of_change_test_quality_flag";
    Byte valid_max 9;
    Byte valid_min 1;
  }
  sea_surface_temperature_flat_line_test {
    String _Unsigned "false";
    String flag_meanings "GOOD NOT_EVALUATED SUSPECT BAD MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String ioos_category "Quality";
    String standard_name "flat_line_test_quality_flag";
    Byte valid_max 9;
    Byte valid_min 1;
  }
  sea_surface_temperature_aggregate {
    String _Unsigned "false";
    String flag_meanings "GOOD NOT_EVALUATED SUSPECT BAD MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String ioos_category "Quality";
    String standard_name "aggregate_quality_flag";
    Byte valid_max 9;
    Byte valid_min 1;
  }
  sea_surface_temperature_fixed_depth {
    String ioos_category "Location";
    String platform "platform";
    String standard_name "depth";
    String units "m";
  }
  sea_surface_wave_directional_spread {
    String ioos_category "Surface Waves";
    String platform "platform";
    String standard_name "sea_surface_wave_directional_spread";
    String units "degree";
  }
  sea_surface_wave_directional_spread_at_variance_spectral_density_maximum {
    String ioos_category "Surface Waves";
    String platform "platform";
    String standard_name "sea_surface_wave_directional_spread_at_variance_spectral_density_maximum";
    String units "degree";
  }
  sea_surface_wave_from_direction {
    String ioos_category "Surface Waves";
    String platform "platform";
    String standard_name "sea_surface_wave_from_direction";
    String units "degree";
  }
  sea_surface_wave_from_direction_at_variance_spectral_density_maximum {
    String ioos_category "Surface Waves";
    String platform "platform";
    String standard_name "sea_surface_wave_from_direction_at_variance_spectral_density_maximum";
    String units "degree";
  }
  sea_surface_wave_mean_period {
    String ioos_category "Surface Waves";
    String platform "platform";
    String standard_name "sea_surface_wave_mean_period";
    String units "s";
  }
  sea_surface_wave_period_at_variance_spectral_density_maximum {
    String ioos_category "Surface Waves";
    String platform "platform";
    String standard_name "sea_surface_wave_period_at_variance_spectral_density_maximum";
    String units "s";
  }
  sea_surface_wave_significant_height {
    String ioos_category "Surface Waves";
    String platform "platform";
    String standard_name "sea_surface_wave_significant_height";
    String units "m";
  }
  wind_from_direction {
    String ancillary_variables "wind_from_direction_gross_range_test wind_from_direction_spike_test wind_from_direction_rate_of_change_test wind_from_direction_flat_line_test wind_from_direction_aggregate";
    String ioos_category "Wind";
    String platform "platform";
    String standard_name "wind_from_direction";
    String units "degree";
  }
  wind_from_direction_gross_range_test {
    String _Unsigned "false";
    String flag_meanings "GOOD NOT_EVALUATED SUSPECT BAD MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String ioos_category "Quality";
    String standard_name "gross_range_test_quality_flag";
    Byte valid_max 9;
    Byte valid_min 1;
  }
  wind_from_direction_spike_test {
    String _Unsigned "false";
    String flag_meanings "GOOD NOT_EVALUATED SUSPECT BAD MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String ioos_category "Quality";
    String standard_name "spike_test_quality_flag";
    Byte valid_max 9;
    Byte valid_min 1;
  }
  wind_from_direction_rate_of_change_test {
    String _Unsigned "false";
    String flag_meanings "GOOD NOT_EVALUATED SUSPECT BAD MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String ioos_category "Quality";
    String standard_name "rate_of_change_test_quality_flag";
    Byte valid_max 9;
    Byte valid_min 1;
  }
  wind_from_direction_flat_line_test {
    String _Unsigned "false";
    String flag_meanings "GOOD NOT_EVALUATED SUSPECT BAD MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String ioos_category "Quality";
    String standard_name "flat_line_test_quality_flag";
    Byte valid_max 9;
    Byte valid_min 1;
  }
  wind_from_direction_aggregate {
    String _Unsigned "false";
    String flag_meanings "GOOD NOT_EVALUATED SUSPECT BAD MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String ioos_category "Quality";
    String standard_name "aggregate_quality_flag";
    Byte valid_max 9;
    Byte valid_min 1;
  }
  wind_speed {
    String ancillary_variables "wind_speed_gross_range_test wind_speed_spike_test wind_speed_rate_of_change_test wind_speed_flat_line_test wind_speed_aggregate";
    String ioos_category "Wind";
    String platform "platform";
    String standard_name "wind_speed";
    String units "m s-1";
  }
  wind_speed_gross_range_test {
    String _Unsigned "false";
    String flag_meanings "GOOD NOT_EVALUATED SUSPECT BAD MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String ioos_category "Quality";
    String standard_name "gross_range_test_quality_flag";
    Byte valid_max 9;
    Byte valid_min 1;
  }
  wind_speed_spike_test {
    String _Unsigned "false";
    String flag_meanings "GOOD NOT_EVALUATED SUSPECT BAD MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String ioos_category "Quality";
    String standard_name "spike_test_quality_flag";
    Byte valid_max 9;
    Byte valid_min 1;
  }
  wind_speed_rate_of_change_test {
    String _Unsigned "false";
    String flag_meanings "GOOD NOT_EVALUATED SUSPECT BAD MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String ioos_category "Quality";
    String standard_name "rate_of_change_test_quality_flag";
    Byte valid_max 9;
    Byte valid_min 1;
  }
  wind_speed_flat_line_test {
    String _Unsigned "false";
    String flag_meanings "GOOD NOT_EVALUATED SUSPECT BAD MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String ioos_category "Quality";
    String standard_name "flat_line_test_quality_flag";
    Byte valid_max 9;
    Byte valid_min 1;
  }
  wind_speed_aggregate {
    String _Unsigned "false";
    String flag_meanings "GOOD NOT_EVALUATED SUSPECT BAD MISSING";
    Byte flag_values 1, 2, 3, 4, 9;
    String ioos_category "Quality";
    String standard_name "aggregate_quality_flag";
    Byte valid_max 9;
    Byte valid_min 1;
  }
  platform {
    String _Unsigned "false";
    String cf_role "timeseries_id";
    String ioos_category "Unknown";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "platform,longitude,latitude";
    String Conventions "COARDS,CF-1.7,IOOS-1.2,ACDD-1.3";
    String creator_country "USA";
    String creator_email "ciglr-buoys@umich.edu";
    String creator_institution "University of Michigan CIGLR";
    String creator_name "University of Michigan CIGLR";
    String creator_sector "academic";
    String creator_type "institution";
    String creator_url "https://ciglr.seas.umich.edu/project/great-lakes-observing-systems/";
    String featureType "TimeSeries";
    String geospatial_lat_units "degrees_north";
    String geospatial_lon_units "degrees_east";
    String gts_ingest "false";
    String history 
"2024-04-28T20:01:12Z (source database)
2024-04-28T20:01:12Z https://seagull-erddap.glos.org/tabledap/obs_142.das";
    String id "obs_142";
    String infoUrl "https://ciglr.seas.umich.edu/project/great-lakes-observing-systems/";
    String institution "University of Michigan CIGLR";
    String keywords "(from), at, density, direction, directional, Dominant, from, height, maximum, Mean, mean, period, sea, Significant, significant, spectral, speed, spread, Surface, surface, temperature, variance, water, Wave, wave, Wind, wind";
    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, GLOS, 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 naming_authority "org.glos";
    String platform "moored_buoy";
    String platform_name "West Sister Island (WE-13 Spotter)";
    String platform_vocabulary "http://mmisw.org/ont/ioos/platform";
    String publisher_country "United States";
    String publisher_email "info@glos.org";
    String publisher_institution "GLOS";
    String publisher_url "https://glos.org";
    String sourceUrl "(source database)";
    String standard_name_vocabulary "CF Standard Name Table v77";
    String summary "This buoy is located 1.5 miles west of West Sister Island (OH) in Lake Erie. The buoy is owned, maintained, and deployed by the University of Michigan's Cooperative Institute for Great Lakes Research to enhance safety for recreational stakeholders, while providing valuable realtime observations for Great Lakes researchers and forecasters. Each year from about May 1 to November 1, this Sofar Spotter Buoy will measure wave height and wave period every 30 minutes, reporting these values once per hour. NOTE: The wind values displayed for these buoys (Sofar Spotters & Smart Moorings) are based on an estimate from its wave measurements, and not an actual direct measurement.";
    String title "West Sister Island (WE-13) Spotter Buoy";
  }
}

 

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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