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Dataset Title:  Saildrone 2018 data for GTS Subscribe RSS
Institution:  SAILDRONE   (Dataset ID: saildrone_gts_2018)
Range: longitude = -178.9393 to 168.31635°E, latitude = -84.0 to 75.49703°N, time = 2018-06-27T00:00:00Z to 2020-07-17T11:59:00Z
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 {
  wmo_platform_code {
    String long_name "WMO platform code";
  }
  trajectory {
    Float32 actual_range 1005.0, 1068.0;
    String cf_role "trajectory_id";
    String comment "A trajectory is a single deployment of a drone";
    String long_name "Trajectory/Drone ID";
  }
  latitude {
    Int32 _ChunkSizes 1, 1;
    String _CoordinateAxisType "Lat";
    Float64 _FillValue NaN;
    Float64 actual_range -84.0, 75.4970304;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String device_name "VectorNav Hull IMU (100037811)";
    String installed_date "2019-10-17T18:09:10.140272Z";
    Float64 installed_height 0.34;
    String ioos_category "Location";
    String long_name "Latitude";
    String model_name "VN-300";
    String model_product_page "https://www.vectornav.com/products/vn-300";
    String nominal_sampling_schedule "Always on";
    String serial_number "100037811";
    String standard_name "latitude";
    String units "degrees_north";
    Float64 update_period 50;
    String vendor_name "VectorNav";
  }
  longitude {
    Int32 _ChunkSizes 1, 1;
    String _CoordinateAxisType "Lon";
    Float64 _FillValue NaN;
    Float64 actual_range -178.9393024, 168.316352;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String device_name "VectorNav Hull IMU (100037811)";
    String installed_date "2019-10-17T18:09:10.140272Z";
    Float64 installed_height 0.34;
    String ioos_category "Location";
    String long_name "Longitude";
    String model_name "VN-300";
    String model_product_page "https://www.vectornav.com/products/vn-300";
    String nominal_sampling_schedule "Always on";
    String serial_number "100037811";
    String standard_name "longitude";
    String units "degrees_east";
    Float64 update_period 50;
    String vendor_name "VectorNav";
  }
  BARO_PRES_MEAN {
    Int32 _ChunkSizes 1, 120;
    Float64 _FillValue NaN;
    Float64 actual_range 652.12, 1043.84;
    Float64 colorBarMaximum 1050.0;
    Float64 colorBarMinimum 950.0;
    String coordinates "latitude longitude time trajectory";
    String device_name "Vaisala Barometer (1120786)";
    String installed_date "2019-10-17T17:08:59.941387Z";
    Float64 installed_height 0.2;
    String long_name "Air pressure";
    String model_name "PTB210";
    String model_product_page "http://www.vaisala.com/en/products/pressure/Pages/PTB210.aspx";
    String nominal_sampling_schedule "60s on, 240s off, centered at :00";
    String serial_number "1120786";
    String standard_name "air_pressure";
    String units "hPa";
    Float64 update_period 1000;
    String vendor_name "Vaisala";
  }
  TEMP_AIR_MEAN {
    Int32 _ChunkSizes 1, 120;
    Float64 _FillValue NaN;
    Float64 actual_range -6.8, 31.16;
    Float64 colorBarMaximum 40.0;
    Float64 colorBarMinimum -10.0;
    String coordinates "latitude longitude time trajectory";
    String device_name "Rotronic AT/RH (0020245916)";
    String installed_date "2019-10-17T17:11:17.196426Z";
    Float64 installed_height 2.3;
    String long_name "Air temperature";
    String model_name "HC2-S3";
    String nominal_sampling_schedule "60s on, 240s off, centered at :00";
    String serial_number "0020245916";
    String standard_name "air_temperature";
    String units "degree_C";
    Float64 update_period 1000;
    String vendor_name "Rotronic";
  }
  RH_MEAN {
    Int32 _ChunkSizes 1, 120;
    Float64 _FillValue NaN;
    Float64 actual_range 16.41, 100.0;
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String coordinates "latitude longitude time trajectory";
    String device_name "Rotronic AT/RH (0020245916)";
    String installed_date "2019-10-17T17:11:17.196426Z";
    Float64 installed_height 2.3;
    String long_name "Relative humidity";
    String model_name "HC2-S3";
    String nominal_sampling_schedule "60s on, 240s off, centered at :00";
    String serial_number "0020245916";
    String standard_name "relative_humidity";
    String units "percent";
    Float64 update_period 1000;
    String vendor_name "Rotronic";
  }
  TEMP_CTD_MEAN {
    Int32 _ChunkSizes 1, 120;
    Float64 _FillValue NaN;
    Float64 actual_range -0.739, 35.508;
    Float64 colorBarMaximum 32.0;
    Float64 colorBarMinimum 0.0;
    String coordinates "latitude longitude time trajectory";
    String device_name "RBR CTD/ODO/Chl-A (040739)";
    String installed_date "2019-10-17T17:08:45.548775Z";
    Float64 installed_height -0.53;
    String long_name "Seawater temperature";
    String model_name "Saildrone^3";
    String nominal_sampling_schedule "12s on, 48s off, centered at :00";
    String serial_number "040739";
    String standard_name "sea_water_temperature";
    String units "degree_C";
    Float64 update_period 500;
    String vendor_name "RBR";
  }
  time {
    Int32 _ChunkSizes 1, 1;
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.5300576e+9, 1.59498714e+9;
    String axis "T";
    String calendar "gregorian";
    String ioos_category "Time";
    String long_name "time in seconds";
    String source_name "timestamp";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  wind_speed {
    Float64 _FillValue -1.0e+34;
    Float64 actual_range 0.0, 55.40672341873322;
    Float64 colorBarMaximum 15.0;
    Float64 colorBarMinimum 0.0;
    String history "From /home/data/saildrone/saildrone_arctic_2019/daily_files/1036/saildrone-gen_5-Arctic-NOAA-2019-sd1036-20190515T180000-20190515T195959-1_minutes-v1.1557952243226.nc";
    String long_name "Wind Speed";
    Float64 missing_value -1.0e+34;
    String source "Computed from uwnd_mean and vwnd_mean and expressed in degrees";
    String standard_name "wind_speed";
    String units "m s-1";
  }
  wind_dir {
    Float64 _FillValue -1.0e+34;
    Float64 actual_range -706776.3980890013, 360.0;
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    String history "From /home/data/saildrone/saildrone_arctic_2019/daily_files/1036/saildrone-gen_5-Arctic-NOAA-2019-sd1036-20190515T180000-20190515T195959-1_minutes-v1.1557952243226.nc";
    String long_name "Wind direction, From";
    Float64 missing_value -1.0e+34;
    String source "Computed from uwnd_mean and vwnd_mean as atan2(uwnd_mean, vwnd_mean)";
    String standard_name "wind_from_direction";
    String units "degrees";
  }
 }
  NC_GLOBAL {
    String _NCProperties "version=2,netcdf=4.6.3,hdf5=1.10.2";
    String area "Atlantic Ocean";
    String cdm_data_type "Trajectory";
    String cdm_trajectory_variables "trajectory,wmo_platform_code";
    String Conventions "CF-1.6, COARDS, ACDD-1.3";
    String creator_email "support@saildrone.com";
    String creator_name "Saildrone";
    String creator_url "https://saildrone.com/";
    String data_mode "realtime";
    String date_created "2020-01-30T00:30:58.682589Z";
    String description "Saildrone NetCDF Format";
    String drone_id "1026";
    Float64 Easternmost_Easting 168.316352;
    String featureType "Trajectory";
    Float64 geospatial_lat_max 75.4970304;
    Float64 geospatial_lat_min -84.0;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 168.316352;
    Float64 geospatial_lon_min -178.9393024;
    String geospatial_lon_units "degrees_east";
    String history 
"Fri Mar 20 08:52:32 2020: /home/users/tmap/ferret/rhel6-x86_64-linux/bin/ncatted -a units,time,o,c,seconds since 1970-01-01T00:00:00Z saildrone-gen_5-atomic_eurec4a_2020-sd1026-20200129T220000-20200129T235959-1_minutes-v1.1580344261708.nc
Fri Mar 20 08:52:32 2020: /home/users/tmap/ferret/rhel6-x86_64-linux/bin/ncrename -v TEMP_CTD_RBR_MEAN,TEMP_CTD_MEAN saildrone-gen_5-atomic_eurec4a_2020-sd1026-20200129T220000-20200129T235959-1_minutes-v1.1580344261708.nc
2024-10-08T13:13:10Z (local files)
2024-10-08T13:13:10Z https://data.pmel.noaa.gov/generic/tabledap/saildrone_gts_2018.das";
    Float64 id 92297;
    String infoUrl "http://saildrone.com/";
    String institution "SAILDRONE";
    Float64 interval 60;
    String keywords "00.000z, 00.000z-2018-07-16t11, 16t06, 16t11, 2018-07-16t06, 59.000z, active, air, air_pressure, air_temperature, angle, atmosphere, atmospheric, BARO_PRES_MEAN, BARO_PRES_STDDEV, biosphere, chemistry, CHLOR_MEAN, CHLOR_STDDEV, chlorophyll, coast, COG, common, concentration, COND_MEAN, COND_STDDEV, conductivity, course, data, density, dissolved, downward, downward_air_velocity, downwelling, drone, earth, Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements, Earth Science > Atmosphere > Atmospheric Pressure > Sea Level Pressure, Earth Science > Atmosphere > Atmospheric Pressure > Static Pressure, Earth Science > Atmosphere > Atmospheric Temperature > Air Temperature, Earth Science > Atmosphere > Atmospheric Temperature > Surface Air Temperature, Earth Science > Atmosphere > Atmospheric Water Vapor > Humidity, Earth Science > Atmosphere > Atmospheric Winds > Surface Winds, Earth Science > Biosphere > Vegetation > Photosynthetically Active Radiation, Earth Science > Oceans > Ocean Chemistry > Chlorophyll, Earth Science > Oceans > Ocean Chemistry > Oxygen, Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature, Earth Science > Oceans > Ocean Temperature > Water Temperature, Earth Science > Oceans > Salinity/Density > Conductivity, Earth Science > Oceans > Salinity/Density > Salinity, eastward, eastward_wind, electrical, flux, format, fractional, fractional_saturation_of_oxygen_in_sea_water, ground, gust, GUST_WND_MEAN, GUST_WND_STDDEV, HDG, HDG_WING, heading, humidity, latitude, level, longitude, mass, mass_concentration_of_chlorophyll_in_sea_water, measurements, mole, mole_concentration_of_dissolved_molecular_oxygen_in_sea_water, molecular, network, northward, northward_wind, O2, O2_AANDERAA_CONC_UNCOR_MEAN, O2_AANDERAA_CONC_UNCOR_STDDEV, O2_AANDERAA_SAT_MEAN, O2_AANDERAA_SAT_STDDEV, O2_RBR_CONC_MEAN, O2_RBR_CONC_STDDEV, O2_RBR_SAT_MEAN, O2_RBR_SAT_STDDEV, ocean, oceans, over, oxygen, PAR_AIR_MEAN, PAR_AIR_STDDEV, photon, photosynthetic, photosynthetically, pitch, platform, platform_course, platform_pitch_angle, platform_roll_angle, platform_speed_wrt_ground, platform_yaw_angle, practical, pressure, radiation, relative, relative_humidity, RH_MEAN, RH_STDDEV, roll, saildrone, SAL_MEAN, SAL_STDDEV, salinity, saturation, science, sd1028, sea, sea_surface_skin_temperature, sea_water_electrical_conductivity, sea_water_practical_salinity, sea_water_temperature, seawater, skin, SOG, speed, static, surface, surface_downwelling_photosynthetic_photon_flux_in_air, survey, TEMP_AIR_MEAN, TEMP_AIR_STDDEV, TEMP_CTD_MEAN, TEMP_CTD_STDDEV, TEMP_IR_UNCOR_MEAN, TEMP_IR_UNCOR_STDDEV, TEMP_O2_AANDERAA_MEAN, TEMP_O2_AANDERAA_STDDEV, TEMP_O2_RBR_MEAN, TEMP_O2_RBR_STDDEV, temperature, time, trajectory, trajectory/drone, UWND_MEAN, UWND_STDDEV, vapor, vegetation, vehicle, velocity, VWND_MEAN, VWND_STDDEV, water, west, wind, wind_speed_of_gust, winds, wing, WING_ANGLE, wrt, WWND_MEAN, WWND_STDDEV, yaw";
    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 naming_authority "com.saildrone";
    String ncei_template_version "NCEI_NetCDF_Trajectory_Template_v2.0";
    String NCO "netCDF Operators version 4.7.5 (Homepage = http://nco.sf.net, Code = https://github.com/nco/nco)";
    String netcdf_version "4.6.3";
    String nodc_template_version "NODC_NetCDF_Trajectory_Template_v2.0";
    Float64 Northernmost_Northing 75.4970304;
    String platform "Saildrone";
    String project "atomic_eurec4a_2020";
    String source "Saildrone";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing -84.0;
    String standard_name_vocabulary "CF Standard Name Table v29";
    String subsetVariables "trajectory, wmo_platform_code";
    String summary "Saildrone Network Common Data Format (NetCDF) format. SAILDRONE data from a local source.";
    String testOutOfDate "now-1day";
    String time_coverage_duration "PT1H59M59S";
    String time_coverage_end "2020-07-17T11:59:00Z";
    String time_coverage_resolution "PT1M";
    String time_coverage_start "2018-06-27T00:00:00Z";
    String time_in "minutes";
    String title "Saildrone 2018 data for GTS";
    String uuid "d30bf13e-2f28-4299-8078-bb0a53d15c6c";
    Float64 Westernmost_Easting -178.9393024;
  }
}

 

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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