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Dataset Title:  i4dvar test run Subscribe RSS
Institution:  Rutgers University   (Dataset ID: wc13_mod_i4dvar)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Subset | Make a graph
 
Variable ?   Optional
Constraint #1 ?
Optional
Constraint #2 ?
   Minimum ?
   or a List of Values ?
   Maximum ?
 
 datum ?          0    6814
 NLmodel_initial ?          -0.2630046160353811    34.59407707227053
 NLmodel_value ?          -0.2522740923839403    34.59340553067608
 increment ?          -2.1110667667912306    1.8778574164442663
 innovation ?          -2.596571747537171    34.452999114990234
 residual ?          -1.7772211076582067    34.452999114990234
 BgError_value ?          0.0017978175554876213    0.9382255048858501
 obs_Zgrid ?          1.3511163695013824    30.0
 obs_depth (depth of observation, meter) ?          -1919.6863025891992    0.0
 obs_error (observation error covariance) ?          1.0E-4    2.229782860720055
 latitude (degrees_north) ?          30.700000127156574    47.300000508626304
  < slider >
 longitude (degrees_east) ?          -133.0000000000227    -116.66666666669099
  < slider >
 obs_provenance (observation origin) ?      
   - +  ?
 obs_scale ?      
   - +  ?
 time (time of observation, UTC) ?          2004-01-03T12:00:00Z    2004-01-07T00:00:00Z
  < slider >
 obs_type ?      
   - +  ?
 obs_value (observation value) ?          -0.23482880202428447    34.60300064086914
 
Server-side Functions ?
 distinct() ?
? ("Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.")

File type: (more information)

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(Please be patient. It may take a while to get the data.)


 

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  datum {
    Int16 actual_range 0, 6814;
    String ioos_category "Location";
    String long_name "Datum";
  }
  NLmodel_initial {
    Float64 _FillValue 1.0e+37;
    Float64 actual_range -0.2630046160353811, 34.59407707227053;
    String ioos_category "Location";
    String long_name "initial nonlinear model at observation locations";
  }
  NLmodel_value {
    Float64 _FillValue 1.0e+37;
    Float64 actual_range -0.2522740923839403, 34.59340553067608;
    String cell_methods "Nouter: mean";
    String ioos_category "Location";
    String long_name "nonlinear model at observation locations";
  }
  increment {
    Float64 actual_range -2.1110667667912306, 1.8778574164442663;
    String ioos_category "Unknown";
    String long_name "analysis (posterior) minus background (prior)";
    Float64 missing_value 1.0e+37;
  }
  innovation {
    Float64 actual_range -2.596571747537171, 34.452999114990234;
    String ioos_category "Unknown";
    String long_name "observation minus background (prior)";
    Float64 missing_value 1.0e+37;
  }
  residual {
    Float64 actual_range -1.7772211076582067, 34.452999114990234;
    String ioos_category "Unknown";
    String long_name "observation minus analysis (posterior)";
    Float64 missing_value 1.0e+37;
  }
  BgError_value {
    Float64 _FillValue 1.0e+37;
    Float64 actual_range 0.0017978175554876213, 0.9382255048858501;
    String ioos_category "Location";
    String long_name "Background error at observation locations";
  }
  obs_Zgrid {
    Float64 actual_range 1.3511163695013824, 30.0;
    Float64 colorBarMaximum 1.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Location";
    String long_name "observation fractional z-grid location";
  }
  obs_depth {
    Float64 actual_range -1919.6863025891992, 0.0;
    String ioos_category "Location";
    String long_name "depth of observation";
    Float64 missing_value 1.0e+37;
    String negative_value "downwards";
    String units "meter";
  }
  obs_error {
    Float64 actual_range 1.0e-4, 2.229782860720055;
    Float64 colorBarMaximum 50.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Statistics";
    String long_name "observation error covariance";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 actual_range 30.700000127156574, 47.300000508626304;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String ioos_category "Location";
    String long_name "observation latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 actual_range -133.0000000000227, -116.66666666669099;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String ioos_category "Location";
    String long_name "observation longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  obs_provenance {
    Int32 actual_range 1, 7;
    Float64 colorBarMaximum 15.0;
    Float64 colorBarMinimum 0.0;
    String flag_meanings "gridded_AVISO_SLA blended_SST XBT_Met_Office CTD_temperature_Met_Office CTD_salinity_Met_Office ARGO_temperature_Met_Office ARGO_salinity_Met_Office CTD_temperature_CalCOFI CTD_salinity_CalCOFI CTD_temperature_GLOBEC CTD_salinity_GLOBEC";
    Int32 flag_values 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11;
    String ioos_category "Unknown";
    String long_name "observation origin";
  }
  obs_scale {
    Float64 _FillValue 0.0;
    Float64 actual_range 1.0, 1.0;
    String ioos_category "Unknown";
    String long_name "observation screening/normalization scale";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.0731312e+9, 1.0734336e+9;
    String axis "T";
    String calendar "gregorian";
    String ioos_category "Time";
    String long_name "time of observation";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  obs_type {
    Int32 actual_range 1, 7;
    Float64 colorBarMaximum 8.0;
    Float64 colorBarMinimum 0.0;
    String flag_meanings "zeta ubar vbar u v temperature salinity";
    Int32 flag_values 1, 2, 3, 4, 5, 6, 7;
    String ioos_category "Location";
    String long_name "model state variable associated with observation";
  }
  obs_value {
    Float64 actual_range -0.23482880202428447, 34.60300064086914;
    String ioos_category "Unknown";
    String long_name "observation value";
  }
 }
  NC_GLOBAL {
    String Algorithm "IS4DVAR";
    String cdm_data_type "Point";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    Float64 Easternmost_Easting -116.66666666669099;
    String featureType "Point";
    Float64 geospatial_lat_max 47.300000508626304;
    Float64 geospatial_lat_min 30.700000127156574;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -116.66666666669099;
    Float64 geospatial_lon_min -133.0000000000227;
    String geospatial_lon_units "degrees_east";
    String history 
"Mon Jul 22 08:23:49 2019: ncwa -a Nouter /home/om/cron/modtoerddap/tmp/temp.nc -O /home/om/cron/modtoerddap/data/erddap_wc13_mod_i4dvar.nc
Mon Jul 22 08:23:49 2019: ncks -v obs_time,obs_lon,obs_lat,obs_error,obs_value,obs_scale,obs_type,obs_depth,obs_provenance,obs_Zgrid,NLmodel_initial,NLmodel_value,BgError_value -d Nouter,-1 /home/om/dods-data/thredds/roms/projects/wilkin/wc13//wc13_mod_i4dvar.nc -O /home/om/cron/modtoerddap/tmp/temp.nc
2024-11-24T16:18:46Z (local files)
2024-11-24T16:18:46Z https://tds.marine.rutgers.edu/erddap/tabledap/wc13_mod_i4dvar.html";
    String infoUrl "???";
    String institution "Rutgers University";
    String keywords "associated, covariance, data, datum, depth, error, fractional, grid, initial, latitude, local, locations, longitude, model, NLmodel_initial, NLmodel_value, nonlinear, normalization, obs_depth, obs_error, obs_lat, obs_lon, obs_provenance, obs_scale, obs_time, obs_type, obs_value, obs_Zgrid, observation, origin, scale, screening, screening/normalization, source, state, statistics, time, value, variable, with, z-grid";
    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.";
    String NCO "netCDF Operators version 4.7.7 (Homepage = http://nco.sf.net, Code = https://github.com/nco/nco)";
    Float64 Northernmost_Northing 47.300000508626304;
    String obs_file "wc13_obs.nc";
    String obs_provenance 
"
 1: gridded AVISO sea level anomaly 
 2: blended satellite SST 
 3: XBT temperature from Met Office 
 4: CTD temperature from Met Office 
 5: CTD salinity from Met Office 
 6: ARGO floats temperature from Met Office 
 7: ARGO floats salinity from Met Office 
 8: CTD temperature from CalCOFI 
 9: CTD salinity from CalCOFI 
10: CTD temperature from GLOBEC 
11: CTD salinity from GLOBEC ";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 30.700000127156574;
    String standard_name_vocabulary "CF Standard Name Table v29";
    String state_variables 
"
1: free-surface (m) 
2: vertically integrated u-momentum component (m/s) 
3: vertically integrated v-momentum component (m/s) 
4: u-momentum component (m/s) 
5: v-momentum component (m/s) 
6: potential temperature (Celsius) 
7: salinity (nondimensional)";
    String subsetVariables "obs_provenance, obs_scale, obs_type";
    String summary "i4dvar";
    String svn_url "https://www.myroms.org/svn/4dvar/trunk";
    String time_coverage_end "2004-01-07T00:00:00Z";
    String time_coverage_start "2004-01-03T12:00:00Z";
    String title "i4dvar test run";
    String type "ROMS/TOMS 4DVAR output observation processing file";
    Float64 Westernmost_Easting -133.0000000000227;
  }
}

 

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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