Data Access Form

Dataset Title:	SIMB3 Dartmouth/CRREL buoy 4802620
Institution:	Cold Regions Research and Engineering Laboratory (Dataset ID: 4802620)
Information:	Summary \| License \| FGDC \| ISO 19115 \| Metadata \| Background \| Make a graph

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Variable	Minimum	Maximum
wmo_id (WMO platform code)	"4802620"	"4802620"
time (Time Stamp, UTC)	2023-03-05T17:07:46Z	2023-08-02T00:58:50Z

latitude (degrees_north)	75.018536	77.47732

longitude (degrees_east)	-148.572384	-131.829344

water_temp	-9.39	-1.61
air_pressure	997.4	1203.6
air_temp	-34.9375	4.8125
bottom_distance	0.3	2.98

Server-side Functions

distinct()

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  wmo_id {
    String cf_role "trajectory_id";
    String long_name "WMO platform code";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.678036066e+9, 1.69093793e+9;
    String axis "T";
    String ioos_category "Time";
    String long_name "Time Stamp";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 actual_range 75.018536, 77.47732;
    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";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 actual_range -148.572384, -131.829344;
    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";
  }
  water_temp {
    Float32 actual_range -9.39, -1.61;
    String long_name "Water Temp";
  }
  air_pressure {
    Float32 actual_range 997.4, 1203.6;
    Float64 colorBarMaximum 1050.0;
    Float64 colorBarMinimum 950.0;
    String long_name "Air Pressure";
    String standard_name "air_pressure";
  }
  air_temp {
    Float32 actual_range -34.9375, 4.8125;
    String long_name "Air Temp";
  }
  bottom_distance {
    Float32 actual_range 0.3, 2.98;
    String long_name "Bottom Distance";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Trajectory";
    String cdm_trajectory_variables "wmo_id";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    Float64 Easternmost_Easting -131.829344;
    String featureType "Trajectory";
    Float64 geospatial_lat_max 77.47732;
    Float64 geospatial_lat_min 75.018536;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -131.829344;
    Float64 geospatial_lon_min -148.572384;
    String geospatial_lon_units "degrees_east";
    String history 
"2025-04-04T17:25:33Z (local files)
2025-04-04T17:25:33Z https://data.pmel.noaa.gov/generic/erddap/tabledap/4802620.html";
    String infoUrl "https://www.cryosphereinnovation.com/simb3";
    String institution "Cold Regions Research and Engineering Laboratory";
    String keywords "air, air_pressure, air_temp, atmosphere, atmospheric, bottom, bottom_distance, data, distance, earth, Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements, Earth Science > Atmosphere > Atmospheric Pressure > Sea Level Pressure, Earth Science > Atmosphere > Atmospheric Pressure > Static Pressure, latitude, level, local, longitude, measurements, pressure, science, sea, seawater, source, stamp, static, temperature, time, time_stamp, water, water_temp";
    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 through the Creative Commons Zero 1.0 Universal Public Domain Dedication (CC0-1.0).";
    Float64 Northernmost_Northing 77.47732;
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 75.018536;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String summary "SIMB3 Dartmouth/CRREL buoy 4802620";
    String time_coverage_end "2023-08-02T00:58:50Z";
    String time_coverage_start "2023-03-05T17:07:46Z";
    String title "SIMB3 Dartmouth/CRREL buoy 4802620";
    Float64 Westernmost_Easting -148.572384;
    String wmo_id "4802620";
  }
}

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.

(easy) You can get data by using the dataset's Data Access Form or Subset form. They make the URL for you.
(easy) You can make a graph or map by using the dataset's Make A Graph form. It makes the URL for you.
(not hard) You can bypass the forms and get the data or make a graph or map by generating the URL by hand or with a computer program or script.

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.