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Dataset Title:  OSMC surface trajectory data Subscribe RSS
Institution:  OSMC   (Dataset ID: OSMCV4_DUO_SURFACE_TRAJECTORY)
Range: longitude = -180.0 to 180.0°E, latitude = -89.0 to 89.0°N
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Subset | 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 {
  platform_id {
    String ioos_category "Identifier";
    String long_name "PLATFORM ID";
  }
  platform_code {
    String cf_role "trajectory_id";
    String ioos_category "Unknown";
    String long_name "PLATFORM CODE";
  }
  platform_type {
    String ioos_category "Unknown";
    String long_name "PLATFORM TYPE";
  }
  country {
    String ioos_category "Statistics";
    String long_name "COUNTRY";
  }
  time {
    String _CoordinateAxisType "Time";
    String axis "T";
    String ioos_category "Time";
    String long_name "OBSERVATION DATE";
    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";
    Float64 actual_range -180.0, 180.0;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 actual_range -89.0, 89.0;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  observation_depth {
    String _CoordinateAxisType "Height";
    String axis "Z";
    String cdm_altitude_proxy "observation_depth";
    String ioos_category "Location";
    String long_name "OBSERVATION DEPTH";
  }
  sst {
    String ioos_category "Temperature";
    String long_name "sea surface temperature";
    String standard_name "sea_surface_temperature";
    String units "Deg C";
  }
  atmp {
    String ioos_category "Temperature";
    String long_name "air temperature";
    String standard_name "air_temperature";
    String units "Deg C";
  }
  precip {
    String ioos_category "Meteorology";
    String long_name "precipitation";
    String units "mm";
  }
  ztmp {
    String ioos_category "Temperature";
    String long_name "profile water temperature";
    String standard_name "sea_water_temperature";
    String units "Deg C";
  }
  zsal {
    String ioos_category "Salinity";
    String long_name "profile salinity";
    String standard_name "sea_water_salinity";
  }
  sss {
    String ioos_category "Salinity";
    String long_name "SSS";
  }
  slp {
    Float64 colorBarMaximum 1030.0;
    Float64 colorBarMinimum 970.0;
    String ioos_category "Pressure";
    String long_name "sea level pressure";
    String standard_name "air_pressure_at_sea_level";
    String units "hPa";
  }
  windspd {
    String ioos_category "Wind";
    String long_name "wind speed";
    String standard_name "wind_speed";
    String units "m/s";
  }
  winddir {
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Wind";
    String long_name "Wind From Direction";
    String standard_name "wind_from_direction";
    String units "Deg true";
  }
  wvht {
    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";
    String units "m";
  }
  waterlevel {
    String ioos_category "Sea Level";
    String long_name "WATERLEVEL";
    String units "m";
  }
  clouds {
    String ioos_category "Meteorology";
    String long_name "cloud cover";
    String units "oktas";
  }
  dewpoint {
    String ioos_category "Meteorology";
    String long_name "dew point temperature";
    String standard_name "dew_point_temperature";
    String units "Deg C";
  }
  eastward_sea_water_velocity {
    String ioos_category "Currents";
    String long_name "EASTWARD SEA WATER VELOCITY";
    String standard_name "eastward_sea_water_velocity";
    String units "m s-1";
  }
  northward_sea_water_velocity {
    String ioos_category "Currents";
    String long_name "NORTHWARD SEA WATER VELOCITY";
    String standard_name "northward_sea_water_velocity";
    String units "m s-1";
  }
  upward_sea_water_velocity {
    String ioos_category "Currents";
    String long_name "UPWARD SEA WATER VELOCITY";
    String standard_name "upward_sea_water_velocity";
    String units "m s-1";
  }
  rainfall_rate {
    Float64 colorBarMaximum 1.0e-4;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Meteorology";
    String long_name "Rainfall Rate";
    String standard_name "rainfall_rate";
    String units "m s-1";
  }
  relative_humidity {
    String ioos_category "Meteorology";
    String long_name "RELATIVE HUMIDITY";
    String standard_name "relative_humidity";
  }
  sea_water_electrical_cond {
    String ioos_category "Salinity";
    String long_name "sea water electrical conductivity";
    String standard_name "sea_water_electrical_conductivity";
    String units "S m-1";
  }
  sea_water_pressure {
    String ioos_category "Pressure";
    String long_name "SEA WATER PRESSURE";
    String std_name "sea_water_pressure";
    String units "dbar";
  }
  surface_dwnwelling_lngwv {
    String ioos_category "Heat Flux";
    String long_name "surface downwelling longwave flux in air";
    String standard_name "surface_downwelling_longwave_flux_in_air";
    String units "W m-2";
  }
  surface_dwnwelling_srtwv {
    String ioos_category "Heat Flux";
    String long_name "surface downwelling shortwave flux in air";
    String standard_name "surface_downwelling_shortwave_flux_in_air";
    String units "W m-2";
  }
  waterlevel_met_res {
    String ioos_category "Sea Level";
    String long_name "meteorological residual tidal elevation";
    String units "m";
  }
  waterlevel_wrt_lcd {
    String ioos_category "Sea Level";
    String long_name "WATERLEVEL WRT LCD";
  }
  water_col_ht {
    String ioos_category "Unknown";
    String long_name "water column height";
    String units "m";
  }
  wind_to_direction {
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Wind";
    String long_name "wind to direction";
    String standard_name "wind_to_direction";
    String units "degree";
  }
  lon360 {
    String ioos_category "Location";
    String standard_name "longitude";
    String units "degree_east";
  }
 }
  NC_GLOBAL {
    String cdm_altitude_proxy "observation_depth";
    String cdm_data_type "Trajectory";
    String cdm_trajectory_variables "platform_id, platform_code,platform_type,country";
    String Conventions "COARDS, CF-1.6, Unidata Dataset Discovery v1.0";
    String creator_name "OSMC";
    String creator_url "www.osmc.noaa.gov";
    Float64 Easternmost_Easting 180.0;
    String featureType "Trajectory";
    Float64 geospatial_lat_max 89.0;
    Float64 geospatial_lat_min -89.0;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 180.0;
    Float64 geospatial_lon_min -180.0;
    String geospatial_lon_units "degrees_east";
    String history 
"2024-03-29T11:08:28Z (source database)
2024-03-29T11:08:28Z https://osmc.noaa.gov/tabledap/OSMCV4_DUO_SURFACE_TRAJECTORY.das";
    String infoUrl "www.osmc.noaa.gov";
    String institution "OSMC";
    String keywords "air, atmosphere, atmospheric, atmp, clouds, code, col, cond, country, data, date, depth, dew point, direction, dwnwelling, Earth Science > Atmosphere > Atmospheric Pressure > Surface Pressure, Earth Science > Atmosphere > Atmospheric Winds > Surface Winds, Earth Science > Atmosphere > Precipitation > Precipitation Rate, Earth Science > Atmosphere > Precipitation > Rain, Earth Science > Oceans > Ocean Waves > Significant Wave Height, eastward, electrical, from, height, humidity, latitiude, lcd, lngwv, met, northward, observation, ocean, oceans, osmc, platform, precip, precipitation, pressure, rain, rainfall, rainfall_rate, rate, relative, res, sea, sea_surface_wave_significant_height, seawater, significant, srtwv, sss, sst, surface, surface_air_pressure, time, trajectory, type, upward, velocity, water, waterlevel, wave, waves, wind, wind_from_direction, winds, windspd, wrt, zsal, ztmp";
    String keywords_vocabulary "GCMD Science Keywords";
    String license "These data were produced by NOAA and are not subject to copyright protection in the United States. NOAA waives any potential copyright and related rights in these data worldwide page 62 of 86 through the Creative Commons Zero 1.0 Universal Public Domain Dedication (CC0 1.0)";
    String Metadata_Conventions "COARDS, CF-1.6, Unidata Dataset Discovery v1.0";
    Float64 Northernmost_Northing 89.0;
    String sourceUrl "(source database)";
    Float64 Southernmost_Northing -89.0;
    String standard_name_vocabulary "CF-12";
    String subsetVariables "country, platform_type";
    String summary "Surface trajectory data from GTS";
    String title "OSMC surface trajectory data";
    Float64 Westernmost_Easting -180.0;
  }
}

 

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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