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Dataset Title:  CARICOOS PR2 (San Juan, PR) Buoy: ADCP Currents data Subscribe RSS
Institution:  CARICOOS   (Dataset ID: PR2_doppler_34d7_c61a_a162)
Range: longitude = -66.09939 to -66.09918°E, latitude = 18.47427 to 18.47428°N, depth = 2.5 to 38.0m, time = 2010-07-23T15:00:00Z to 2023-06-03T10:00:00Z
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 {
  time {
    Int32 _ChunkSizes 512;
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.2798972e+9, 1.6857863999999866e+9;
    String axis "T";
    String calendar "gregorian";
    String cf_role "profile_id";
    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";
    Float32 actual_range -66.09939, -66.09918;
    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";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 18.47427, 18.47428;
    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";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float32 actual_range 2.5, 38.0;
    String axis "Z";
    Float64 colorBarMaximum 8000.0;
    Float64 colorBarMinimum -8000.0;
    String colorBarPalette "TopographyDepth";
    String ioos_category "Location";
    String long_name "Depth";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
  station {
    String cf_role "timeseries_id";
    String ioos_category "Identifier";
    String long_name "PR2";
    String name "PR2";
    String short_name "PR2";
    String standard_name "station_name";
  }
  offset_time {
    Int32 _ChunkSizes 495;
    Float64 _FillValue -999.0;
    Float64 actual_range -1798.0, 1800.0;
    Float64 colorBarMaximum 4000.0;
    Float64 colorBarMinimum -4000.0;
    String Comment "Add to time for actual sensor reading ";
    String ioos_category "Time";
    String long_name "Offset from regular time interval";
    String short_name "off_time";
    String standard_name "offset_time";
    String units "seconds";
    Float64 valid_range -3600.0, 3600.0;
  }
  current_u {
    Int32 _ChunkSizes 1, 36;
    Float32 _FillValue -9999.0;
    Float64 accuracy 0.5;
    Float32 actual_range -226.6655, 165.9056;
    String ancillary_variables "current_u_qc";
    Float64 colorBarMaximum 0.5;
    Float64 colorBarMinimum -0.5;
    String dependency "current_v";
    Float32 instrument_range -250.0, 250.0;
    String ioos_category "Currents";
    Float64 is_dead 0.0;
    String long_name "East Velocity Component";
    String measurement_type "Measured";
    Float64 precision 0.1;
    String short_name "U";
    String standard_name "eastward_sea_water_velocity";
    String units "cm/s";
    Float32 valid_range -250.0, 250.0;
  }
  current_u_qc {
    Int32 _ChunkSizes 1, 36;
    Byte _FillValue -128;
    Byte actual_range 0, 99;
    Float64 colorBarMaximum 5.0;
    Float64 colorBarMinimum 0.0;
    String flag_meanings "quality_good out_of_range sensor_nonfunctional below_water_depth questionable";
    Byte flag_values 0, 1, 2, 3, 4;
    String intent "data_quality";
    String ioos_category "Quality";
    String long_name "East Velocity Component QC";
    String short_name "UQC";
    String standard_name "eastward_sea_water_velocity data_quality";
    String units "1";
    Byte valid_range -127, 127;
  }
  current_v {
    Int32 _ChunkSizes 1, 36;
    Float32 _FillValue -9999.0;
    Float64 accuracy 0.5;
    Float32 actual_range -196.0929, 222.969;
    String ancillary_variables "current_v_qc";
    Float64 colorBarMaximum 0.5;
    Float64 colorBarMinimum -0.5;
    String dependency "current_u";
    Float32 instrument_range -250.0, 250.0;
    String ioos_category "Currents";
    Float64 is_dead 0.0;
    String long_name "North Velocity Component";
    String measurement_type "Measured";
    Float64 precision 0.1;
    String short_name "V";
    String standard_name "northward_sea_water_velocity";
    String units "cm/s";
    Float32 valid_range -250.0, 250.0;
  }
  current_v_qc {
    Int32 _ChunkSizes 1, 36;
    Byte _FillValue -128;
    Byte actual_range 0, 99;
    Float64 colorBarMaximum 5.0;
    Float64 colorBarMinimum 0.0;
    String flag_meanings "quality_good out_of_range sensor_nonfunctional below_water_depth questionable";
    Byte flag_values 0, 1, 2, 3, 4;
    String intent "data_quality";
    String ioos_category "Quality";
    String long_name "North Velocity Component QC";
    String short_name "VQC";
    String standard_name "northward_sea_water_velocity data_quality";
    String units "1";
    Byte valid_range -127, 127;
  }
  current_speed {
    Int32 _ChunkSizes 1, 36;
    Float32 _FillValue -9999.0;
    Float64 accuracy 0.5;
    Float32 actual_range 0.0, 245.5;
    String ancillary_variables "current_speed_qc";
    Float64 colorBarMaximum 400.0;
    Float64 colorBarMinimum 0.0;
    String dependency "current_direction";
    Float32 instrument_range 0.0, 300.0;
    String ioos_category "Currents";
    Float64 is_dead 0.0;
    String long_name "Current Speed";
    String measurement_type "Measured";
    Float64 precision 0.1;
    String short_name "CSPD";
    String standard_name "sea_water_velocity";
    String units "cm/s";
    Float32 valid_range 0.0, 300.0;
  }
  current_speed_qc {
    Int32 _ChunkSizes 1, 36;
    Byte _FillValue -128;
    Byte actual_range 0, 99;
    Float64 colorBarMaximum 5.0;
    Float64 colorBarMinimum 0.0;
    String flag_meanings "quality_good out_of_range sensor_nonfunctional below_water_depth questionable";
    Byte flag_values 0, 1, 2, 3, 4;
    String intent "data_quality";
    String ioos_category "Quality";
    String long_name "Current Speed QC";
    String short_name "CSPDQC";
    String standard_name "sea_water_velocity data_quality";
    String units "1";
    Byte valid_range -127, 127;
  }
  current_direction {
    Int32 _ChunkSizes 1, 36;
    Float32 _FillValue -9999.0;
    Int32 accuracy 2;
    Float32 actual_range 0.0, 359.99;
    String ancillary_variables "current_direction_qc";
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    String dependency "current_speed";
    Float32 instrument_range 0.0, 360.0;
    String ioos_category "Currents";
    Float64 is_dead 0.0;
    String long_name "Current Speed";
    String measurement_type "Measured";
    Float64 precision 0.35;
    String short_name "CDIR";
    String standard_name "direction_of_sea_water_velocity";
    String units "cm/s";
    Float32 valid_range 0.0, 360.0;
  }
  current_direction_qc {
    Int32 _ChunkSizes 1, 36;
    Byte _FillValue -128;
    Byte actual_range 0, 99;
    Float64 colorBarMaximum 5.0;
    Float64 colorBarMinimum 0.0;
    String flag_meanings "quality_good out_of_range sensor_nonfunctional below_water_depth questionable";
    Byte flag_values 0, 1, 2, 3, 4;
    String intent "data_quality";
    String ioos_category "Quality";
    String long_name "Current Direction QC";
    String short_name "CDIRQC";
    String standard_name "direction_of_sea_water_velocity data_quality";
    String units "1";
    Byte valid_range -127, 127;
  }
  time_created {
    Int32 _ChunkSizes 495;
    Float64 actual_range 1.2798979231541643e+9, 1.6857873343069487e+9;
    Float64 colorBarMaximum 120000.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Time";
    String long_name "Time Record Created";
    String short_name "time_cr";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
    Float64 valid_range 0.0, 99999.0;
  }
  time_modified {
    Int32 _ChunkSizes 495;
    Float64 actual_range 1.2798979231541643e+9, 1.6857873343069487e+9;
    Float64 colorBarMaximum 120000.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Time";
    String long_name "Time Record Last Modified";
    String short_name "time_mod";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
    Float64 valid_range 0.0, 99999.0;
  }
 }
  NC_GLOBAL {
    Float64 adcp_instrument_depth 2.5;
    String adcp_manufacturer "Nortek";
    String adcp_model "AquaPro Z-Cell 600 kHz";
    String adcp_serial_number "NORCP16938";
    Int32 averaging_period 8;
    String averaging_period_units "Minutes";
    Int32 breakout_id 102;
    String buffer_type "doppler";
    String cdm_data_type "TimeSeriesProfile";
    String cdm_profile_variables "time";
    String cdm_timeseries_variables "station, longitude, latitude";
    String clock_time "Center of period";
    String contact "nealp@maine.edu,ljm@umeoce.maine.edu,bfleming@umeoce.maine.edu";
    String Conventions "CF-1.6, COARDS, ACDD-1.3";
    String creator_email "nealp@maine.edu,ljm@umeoce.maine.edu,bfleming@umeoce.maine.edu";
    String creator_name "Neal Pettigrew";
    String creator_url "http://gyre.umeoce.maine.edu";
    Float64 deepest_valid_doppler_depth 29.4;
    Int32 delta_t 60;
    String depth_datum "Sea Level";
    Float64 Easternmost_Easting -66.09918;
    Float64 ending_julian_day_number 60098.41666666651;
    String ending_julian_day_string "2023-06-03 10:00:00";
    String featureType "TimeSeriesProfile";
    Float64 geospatial_lat_max 18.47428;
    Float64 geospatial_lat_min 18.47427;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -66.09918;
    Float64 geospatial_lon_min -66.09939;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 38.0;
    Float64 geospatial_vertical_min 2.5;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String goes_platform_id "044073C4";
    String history 
"2022-06-09 17:29:41:  Modified [lon,lat] to [-66.099391,18.474278].
Sat May 28 14:41:43 2022: /usr/local/bin/ncrcat -d time,59727.5625,59727.6666666665 PR212.doppler.realtime.zcell36.nc PR212.doppler.realtime.zcell36.nc.new

2023-06-03T10:40:11Z (local files)
2023-06-03T10:40:11Z http://dm3.caricoos.org:8002/tabledap/PR2_doppler_34d7_c61a_a162.das";
    String id "PR2";
    String infoUrl "http://gyre.umeoce.maine.edu/data/gomoos/buoy/doc/buoy_system_doc/buoy_system/book1.html";
    String institution "CARICOOS";
    String institution_url "http://gyre.umeoce.maine.edu";
    Int32 instrument_number 0;
    String julian_day_convention "Julian date convention begins at 00:00:00 UTC on 17 November 1858 AD";
    String keywords "buoy, caribbean, caricoos, chemistry, chlorophyll, circulation, coastal, component, conductivity, created, current, current_direction, current_direction_qc, current_speed, current_speed_qc, current_u, current_u_qc, current_v, current_v_qc, currents, data, density, department, depth, direction, direction_of_sea_water_velocity, direction_of_sea_water_velocity data_quality, doppler, Earth Science > Oceans > Ocean Chemistry > Chlorophyll, Earth Science > Oceans > Ocean Chemistry > Oxygen, Earth Science > Oceans > Ocean Circulation > Ocean Currents, Earth Science > Oceans > Ocean Optics > Turbidity, Earth Science > Oceans > Ocean Pressure > Sea Level Pressure, Earth Science > Oceans > Ocean Temperature > Water Temperature, Earth Science > Oceans > Ocean Waves > Significant Wave Height, Earth Science > Oceans > Ocean Waves > Wave Period, Earth Science > Oceans > Ocean Winds > Surface Winds, Earth Science > Oceans > Salinity/Density > Conductivity, Earth Science > Oceans > Salinity/Density > Density, Earth Science > Oceans > Salinity/Density > Salinity, east, eastward, eastward_sea_water_velocity, eastward_sea_water_velocity data_quality, height, identifier, interval, latitude, level, longitude, maine, marine, modified, name, north, northward, northward_sea_water_velocity, northward_sea_water_velocity data_quality, O2, observing, ocean, oceanography, oceans, offset, offset_time, optics, oxygen, period, physical, pr2, pressure, quality, record, regular, salinity, school, sciences, sea, sea_water_velocity, sea_water_velocity data_quality, seawater, sensor, significant, speed, station, station_name, surface, system, temperature, time, time_created, time_modified, turbidity, university, velocity, water, wave, waves, winds, zcell36";
    String keywords_vocabulary "GCMD Science Keywords";
    Float64 latitude 18.4742781990453;
    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 longitude -66.0993905318411;
    Float64 magnetic_variation -12.5;
    String mooring_site_desc "CarICOOS Data Buoy B";
    String mooring_site_id "PR212";
    String mooring_type "Slack";
    String naming_authority "edu.maine";
    Int32 nco_openmp_thread_number 1;
    String ndbc_site_id "41053";
    Float64 Northernmost_Northing 18.47428;
    Int32 number_observations_per_hour 1;
    Int32 number_samples_per_observation 170;
    String position_datum "WGS 84";
    String processing "realtime";
    String project "CARICOOS";
    String project_url "http://gomoos.org";
    String projejct "CariCOOS";
    String publisher "Department of Physical Oceanography, School of Marine Sciences, University of Maine";
    String publisher_email "caricoos@gmail.com";
    String publisher_name "CariCOOS";
    String publisher_url "http://www.caricoos.org/";
    String references "http://gyre.umeoce.maine.edu/data/gomoos/buoy/doc/buoy_system_doc/buoy_system/book1.html";
    String source "Ocean Data Acquisition Systems (ODAS) Buoy";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 18.47427;
    String standard_name_vocabulary "CF Standard Name Table v29";
    Float64 starting_julian_day_number 59727.58333333349;
    String starting_julian_day_string "2022-05-28 14:00:00";
    String station_name "PR2";
    String station_photo "http://gyre.umeoce.maine.edu/gomoos/images/generic_buoy.png";
    String station_type "Surface Mooring";
    String subsetVariables "longitude, latitude, station, current_u_qc, current_v_qc, current_speed_qc, current_direction_qc";
    String summary "Ocean observation data from (Caribbean Coastal Ocean Observing System (CARICOOS)).";
    String time_coverage_end "2023-06-03T10:00:00Z";
    String time_coverage_start "2010-07-23T15:00:00Z";
    String time_zone "UTC";
    String title "CARICOOS PR2 (San Juan, PR) Buoy: ADCP Currents data";
    String uscg_light_list_number "30737";
    Int32 watch_circle_radius 60;
    Float64 water_depth 32.0;
    Float64 Westernmost_Easting -66.09939;
  }
}

 

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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