Data Access Form

Dataset Title:	Buoy Data from the NOAA NDBC SOS Server - Salinity
Dataset ID:	ndbcSosSalinity
Institution:	NOAA NDBC
Information:	Summary \| Variables \| Background \| Make A Graph

Variable	Minimum	Maximum
longitude (degrees_east)	-151.719	-65.927

latitude (degrees_north)	17.93	59.603

station_id
altitude (m)
time (UTC)	2007-11-30T21:00:00Z

Salinity (sea_water_salinity, PSU)

Filters
distinct()
orderBy( " , , , , ")
orderByMax(" , , , , ")

File type:

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 actual_range -151.719, -65.927;
    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 17.93, 59.603;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  station_id {
    String ioos_category "Identifier";
    String long_name "Station ID";
  }
  altitude {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "up";
    String axis "Z";
    String ioos_category "Location";
    String long_name "Altitude";
    String positive "up";
    String standard_name "altitude";
    String units "m";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.1964564e+9, NaN;
    String axis "T";
    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";
  }
  Salinity {
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    String ioos_category "Salinity";
    String observedProperty 
"http://www.csc.noaa.gov/ioos/schema/IOOS-DIF/IOOS/0.6.1/dictionaries/
phenomenaDictionary.xml#Salinity";
    String standard_name "sea_water_salinity";
    String units "PSU";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Station";
    String Conventions "COARDS, CF-1.0, Unidata Dataset Discovery v1.0";
    Float64 Easternmost_Easting -65.927;
    Float64 geospatial_lat_max 59.603;
    Float64 geospatial_lat_min 17.93;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -65.927;
    Float64 geospatial_lon_min -151.719;
    String geospatial_lon_units "degrees_east";
    String geospatial_vertical_positive "up";
    String geospatial_vertical_units "m";
    String history 
"2009-11-23 http://sdf.ndbc.noaa.gov/sos/server.php
2009-11-23 http://coastwatch.pfeg.noaa.gov/erddap/tabledap/ndbcSosSalinity.
html";
    String infoUrl "http://sdf.ndbc.noaa.gov/sos/";
    String institution "NOAA NDBC";
    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 59.603;
    String sourceUrl "http://sdf.ndbc.noaa.gov/sos/server.php";
    Float64 Southernmost_Northing 17.93;
    String standard_name_vocabulary "CF-11";
    String summary 
"The NOAA NDBC SOS server is part of the IOOS DIF SOS Project.  The stations 
in this dataset have salinity data.

Because of the nature of SOS requests, requests for data MUST include 
constraints for the longitude, latitude, time, and/or station_id variables.  
No more than thirty days of data can be requested.";
    String time_coverage_start "2007-11-30T21:00:00Z";
    String title "Buoy Data from the NOAA NDBC SOS Server - Salinity";
    Float64 Westernmost_Easting -151.719;
  }
}

Using tabledap to Request Data and Graphs from Tabular Datasets

tabledap lets you request tabular data (for example, buoy data) and graphs of tabular data, via specially formed URLs.
The URLs specify everything: the dataset, the desired file type for the response, and the subset of data that you want to receive.
You can form these URLs by hand or with a computer program,
or (much easier) you can use the dataset's "Data Access Form" (oriented to requests for data)
or the dataset's "Make A Graph" form (oriented to requests for graphs and maps),
both of which generate the URL when the form is submitted.
tabledap is a superset of the OPeNDAP DAP constraint protocol.

tabledap request URLs must be in the form
http://coastwatch.pfeg.noaa.gov/erddap/tabledap/ datasetID fileType {?query}
For example,
http://coastwatch.pfeg.noaa.gov/erddap/tabledap/pmelTao.htmlTable?longitude,latitude,time,sea_surface_temperature&longitude>180&longitude<180.2&latitude>0&latitude<0.2&time>2007-06-01T00:00:00Z

For details, see the tabledap Documentation.

ERDDAP Version 1.22

Questions, comments, suggestions? Contact bob dot simons at noaa dot gov.
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