Data Access Form

Dataset Title:	OSMC in-situ obsevrations for the WATL domain.
Institution:	Deperatment of Marine and Coastal Sciences, Rutgers, The State University (Dataset ID: OSMC_INSITU_OBSERVATIONS_WATL)
Information:	Summary \| License \| FGDC \| ISO 19115 \| Metadata \| Background \| Subset \| Make a graph

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Variable

Optional
Constraint #1

Optional
Constraint #2

Minimum

or a List of Values

Maximum

obs_type

time (time of observation, UTC)

2020-01-01T00:00:00Z

2021-01-01T23:59:00Z

longitude (degrees_east)

-100.0

-38.0

latitude (degrees_north)

2.0

52.0

depth (depth of observation, m)

0.0

9700.7001953125

obs_value (state variable units)

-247.22000122070312

99.9000015258789

obs_provenance

obs_organization

obs_qaqc

obs_platform

Server-side Functions

distinct()

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File type: (more information)

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  obs_type {
    Int32 actual_range 6, 7;
    String ioos_category "Location";
    String long_name "model state variable associated with observation";
    String option_1 "free-surface";
    String option_2 "vertically integrated u-momentum component";
    String option_3 "vertically integrated v-momentum component";
    String option_4 "u-momentum component";
    String option_5 "v-momentum component";
    String option_6 "potential temperature";
    String option_7 "salinity";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.5778368e+9, 1.60954554e+9;
    String axis "T";
    String ioos_category "Time";
    String long_name "time of observation";
    String source_name "obs_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";
    Float64 actual_range -100.0, -38.0;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String ioos_category "Location";
    String long_name "longitude of observation";
    String standard_name "longitude";
    String units "degrees_east";
    Float64 valid_max 180.0;
    Float64 valid_min -180.0;
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 actual_range 2.0, 52.0;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String ioos_category "Location";
    String long_name "latitude of observation";
    String standard_name "latitude";
    String units "degrees_north";
    Float64 valid_max 90.0;
    Float64 valid_min -90.0;
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float64 actual_range 0.0, 9700.7001953125;
    String axis "Z";
    String ioos_category "Location";
    String long_name "depth of observation";
    String negative "downwards";
    String positive "down";
    String source_name "obs_depth";
    String standard_name "depth";
    String units "m";
  }
  obs_value {
    Float64 actual_range -247.22000122070312, 99.9000015258789;
    Float64 colorBarMaximum 40.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Location";
    String long_name "observation value";
    String units "state variable units";
  }
  obs_provenance {
    Float64 _FillValue -99999.0;
    Float64 actual_range 3000.0, 3011.0;
    String history 
"C-MAN WEATHER STATIONS:3000
    DRIFTING BUOYS (GENERIC):3001
    HURRICANE DRIFTERS:3002
    MOORED BUOYS (GENERIC):3003
    PROFILING FLOATS AND GLIDERS (GENERIC):3004
    SHIPS (GENERIC):3005
    TIDE GAUGE STATIONS (GENERIC):3006
    UNKNOWN:3007
    VOLUNTEER OBSERVING SHIPS (GENERIC):3008
    VOSCLIM:3009
    WEATHER BUOYS:3010
    GLIDERS:3011";
    String ioos_category "Unknown";
    String long_name "Obs Provenance";
    Float64 OSMC_PROVENANCE 3000.0;
  }
  obs_organization {
    Float64 _FillValue -99999.0;
    Float64 actual_range 3.0, 14.0;
    String history 
"CORMP:1
    CSI:2
    Chesapeake Bay Interpretive Buoy System:3
    EC:4
    IFREMER:5
    NACLS:6
    NDBC:7
    NOAA/AOML:8
    NOAA/NDBC:9
    NORTHEASTERN REGIONAL ASSOCIATION OF COASTAL OCEAN OBSERVING SYSTEMS:10
    NOS:11
    National Estuarine Research Reserve System:12
    SCRIPPS:13
    UNKNOWN:14
    UW:15
    WHOI:16";
    String ioos_category "Unknown";
    String long_name "Obs Organization";
  }
  obs_qaqc {
    Int32 actual_range 0, 1;
    Float64 colorBarMaximum 150.0;
    Float64 colorBarMinimum 0.0;
    String history "Quality Control flag: 0-good,otherwise-bad";
    String ioos_category "Quality";
    String long_name "Obs Qaqc";
  }
  obs_platform {
    String history "Platform ID";
    String ioos_category "Unknown";
    String long_name "Obs Platform";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Point";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    Float64 Easternmost_Easting -38.0;
    String featureType "Point";
    Float64 geospatial_lat_max 52.0;
    Float64 geospatial_lat_min 2.0;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -38.0;
    Float64 geospatial_lon_min -100.0;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 9700.7001953125;
    Float64 geospatial_vertical_min 0.0;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"Created by /home/om/cron/osmc_WATL/write_osmc_watl_nc.m on 2021-07-30 16:14:20 by Eli Hunter
2024-12-28T04:47:32Z (local files)
2024-12-28T04:47:32Z https://tds.marine.rutgers.edu/erddap/tabledap/OSMC_INSITU_OBSERVATIONS_WATL.html";
    String infoUrl "http://osmc.noaa.gov/erddap/info/OSMC_Points/index.html";
    String institution "Deperatment of Marine and Coastal Sciences, Rutgers, The State University";
    String keywords "associated, center, data, datum, depth, latitude, longitude, model, monitoring, obs, obs_lat, obs_lon, obs_organization, obs_platform, obs_provenance, obs_qaqc, obs_type, obs_value, observation, observations, observing, organization, osmc, platform, provenance, qaqc, quality, salinity, state, system, temperature, time, value, variable, with";
    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 Northernmost_Northing 52.0;
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 2.0;
    String standard_name_vocabulary "CF Standard Name Table v55";
    String state_units "Free-sruface (m), 2D momentum (m/s), 3D momentum (m/s), potential temperature (Celsius), salinity (PSU)";
    String subsetVariables "obs_qaqc,obs_organization,obs_type,obs_provenance,obs_platform";
    String summary "Observing System Monitoring Center (OSMC) Salinity,Temperature.";
    String time_coverage_end "2021-01-01T23:59:00Z";
    String time_coverage_start "2020-01-01T00:00:00Z";
    String title "OSMC in-situ obsevrations for the WATL domain.";
    String type "ROMS Observation file";
    Float64 Westernmost_Easting -100.0;
  }
}

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.

(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.

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