Data Access Form

Dataset Title:	Realtime YSI CTD with O2 measurements on Raritan Rive by Boathouse
Institution:	Rutgers University (Dataset ID: raritan_mooring_boathouse_2012_2013)
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

time (YSI Time Stamp, UTC)

2012-09-13T16:06:52Z

2013-06-25T17:37:47Z

longitude (degrees_east)

latitude (degrees_north)

temperature (Celsius)

-0.08

27.96

salinity (PSU)

0.05

9.25

ox (Oxygen Concentration, mg/l)

4.35

26.31

oxsat (percent)

53.0

260.7

depth (m)

11.27059

14.63863

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 {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.347552412e+9, 1.372181867e+9;
    String axis "T";
    String ioos_category "Time";
    String long_name "YSI Time Stamp";
    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 -74.4337, -74.4337;
    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 40.4886, 40.4886;
    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";
  }
  temperature {
    Float32 _FillValue 9.999e+20;
    Float32 actual_range -0.08, 27.96;
    Float64 colorBarMaximum 40.0;
    Float64 colorBarMinimum -10.0;
    String ioos_category "Temperature";
    String long_name "Temperature";
    Float32 missing_value 9.999e+20;
    String units "Celsius";
  }
  salinity {
    Float32 _FillValue 9.999e+20;
    Float32 actual_range 0.05, 9.25;
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    String ioos_category "Salinity";
    String long_name "Salinity";
    Float32 missing_value 9.999e+20;
    String standard_name "sea_water_practical_salinity";
    String units "PSU";
  }
  ox {
    Float32 _FillValue 9.999e+20;
    Float32 actual_range 4.35, 26.31;
    String ioos_category "Dissolved O2";
    String long_name "Oxygen Concentration";
    Float32 missing_value 9.999e+20;
    String units "mg/l";
  }
  oxsat {
    Float32 _FillValue 9.999e+20;
    Float32 actual_range 53.0, 260.7;
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Dissolved O2";
    String long_name "Oxygen Percent Saturation";
    Float32 missing_value 9.999e+20;
    String units "percent";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float32 _FillValue 9.999e+20;
    Float32 actual_range 11.27059, 14.63863;
    String axis "Z";
    Float64 colorBarMaximum 8000.0;
    Float64 colorBarMinimum -8000.0;
    String colorBarPalette "TopographyDepth";
    String ioos_category "Location";
    String long_name "Depth";
    Float32 missing_value 9.999e+20;
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Point";
    String Conventions "CF-1.6, COARDS, ACDD-1.3";
    Float64 Easternmost_Easting -74.4337;
    String featureType "Point";
    Float64 geospatial_lat_max 40.4886;
    Float64 geospatial_lat_min 40.4886;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -74.4337;
    Float64 geospatial_lon_min -74.4337;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 14.63863;
    Float64 geospatial_vertical_min 11.27059;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"File initialized on Sept. 18, 2011 by EJH using rea
_YSI.py
2024-12-28T04:43:00Z RARITAN_BOATHOUSE_MOORING_2012_2013.nc
2024-12-28T04:43:00Z https://tds.marine.rutgers.edu/erddap/tabledap/raritan_mooring_boathouse_2012_2013.html";
    String infoUrl "marine.rutgers.edu";
    String institution "Rutgers University";
    String keywords "boathouse, concentration, conductivity, ctd, data, density, depth, dissolved, dissolved o2, Earth Science > Oceans > Salinity/Density > Salinity, latitude, longitude, measurements, O2, ocean, oceans, oxsat, oxygen, percent, practical, raritan, realtime, river, salinity, saturati\\nn, sea, sea_water_practical_salinity, seawater, sonde, stamp, temperature, time\\n water, with, ysi";
    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 40.4886;
    String sourceUrl "RARITAN_BOATHOUSE_MOORING_2012_2013.nc";
    Float64 Southernmost_Northing 40.4886;
    String standard_name_vocabulary "CF Standard Name Table v29";
    String subsetVariables "longitude, latitude";
    String summary 
"Realtime YSI Conductivity, Temperature, Depth (CTD)
with O2 measurements on Raritan River by Boathouse";
    String time_coverage_end "2013-06-25T17:37:47Z";
    String time_coverage_start "2012-09-13T16:06:52Z";
    String title 
"Realtime YSI CTD with O2 measurements on Raritan Rive
 by Boathouse";
    Float64 Westernmost_Easting -74.4337;
  }
}

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.
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(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.