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Dataset Title:  PACE provisional data downloaded from OCBG. Processed by UD ORB. Misc datasets Subscribe RSS
Institution:  University of Delaware   (Dataset ID: pace_misc)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Make a graph
 
Dimensions ? Start ? Stride ? Stop ?  Size ?    Spacing ?
 time (UTC) ?      26    1 day 1h 55m 12s (uneven)
  < slider >
 latitude (degrees_north) ?      4320    -0.04166667 (uneven)
  < slider >
 longitude (degrees_east) ?      8640    0.04166667 (uneven)
  < slider >
 
Grid Variables (which always also download all of the dimension variables) 
 carbon_phyto (Phytoplankton Carbon, mg m^-3) ?
 chlor_a (Chlorophyll Concentration, OCI Algorithm, mg m^-3) ?
 adg_442 (Absorption due to gelbstoff and detrital material at 442 nm, GIOP model, m^-1) ?
 bbp_442 (Particulate backscattering at 442 nm, GIOP model, m^-1) ?
 ipar_planar_above ?
 ipar_planar_below ?
 par_day_planar_above ?
 par_day_planar_below ?
 par_day_scalar_below ?
 poc (Particulate Organic Carbon, D. Stramski, 2022 (hybrid version), mg m^-3) ?

File type: (more information)

(Documentation / Bypass this form) ?
 
(Please be patient. It may take a while to get the data.)


 

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
  time {
    UInt32 _ChunkSizes 1;
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.725336e+9, 1.7276688e+9;
    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";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 actual_range -89.97917175292969, 89.97916412353516;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 actual_range -179.9791717529297, 179.9791717529297;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  carbon_phyto {
    UInt32 _ChunkSizes 1, 1312, 2626;
    Float32 _FillValue -999.0;
    String ioos_category "Phytoplankton Species";
    String long_name "Phytoplankton Carbon";
    String units "mg m^-3";
  }
  chlor_a {
    UInt32 _ChunkSizes 1, 1312, 2626;
    Float32 _FillValue -999.0;
    Float64 colorBarMaximum 30.0;
    Float64 colorBarMinimum 0.03;
    String colorBarScale "Log";
    String ioos_category "Ocean Color";
    String long_name "Chlorophyll Concentration, OCI Algorithm";
    String standard_name "concentration_of_chlorophyll_in_sea_water";
    String units "mg m^-3";
  }
  adg_442 {
    UInt32 _ChunkSizes 1, 1312, 2626;
    Float32 _FillValue -999.0;
    String ioos_category "Unknown";
    String long_name "Absorption due to gelbstoff and detrital material at 442 nm, GIOP model";
    String units "m^-1";
  }
  bbp_442 {
    UInt32 _ChunkSizes 1, 1312, 2626;
    Float32 _FillValue -999.0;
    String ioos_category "Unknown";
    String long_name "Particulate backscattering at 442 nm, GIOP model";
    String units "m^-1";
  }
  ipar_planar_above {
    String ioos_category "Unknown";
  }
  ipar_planar_below {
    String ioos_category "Unknown";
  }
  par_day_planar_above {
    String ioos_category "Optical Properties";
  }
  par_day_planar_below {
    String ioos_category "Optical Properties";
  }
  par_day_scalar_below {
    String ioos_category "Optical Properties";
  }
  poc {
    UInt32 _ChunkSizes 1, 1312, 2626;
    Float32 _FillValue -999.0;
    String ioos_category "Ocean Color";
    String long_name "Particulate Organic Carbon, D. Stramski, 2022 (hybrid version)";
    String units "mg m^-3";
  }
  NC_GLOBAL {
    String cdm_data_type "Grid";
    String Conventions "CF-1.6, COARDS, ACDD-1.3";
    String creator_email "moliver@udel.edu";
    String creator_name "Matthew Oliver";
    String creator_type "person";
    String creator_url "https://www.udel.edu/";
    Float64 Easternmost_Easting 179.9791717529297;
    Float64 geospatial_lat_max 89.97916412353516;
    Float64 geospatial_lat_min -89.97917175292969;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 179.9791717529297;
    Float64 geospatial_lon_min -179.9791717529297;
    String geospatial_lon_units "degrees_east";
    String groundstation "University of Delaware, Newark, Center for Remote Sensing";
    String history 
"satellite observation NASA MODIS-Aqua instrument
2025-10-31T06:50:31Z (local files)
2025-10-31T06:50:31Z http://basin.ceoe.udel.edu/erddap/griddap/pace_misc.das";
    String infoUrl "http://orb.ceoe.udel.edu/";
    String institution "University of Delaware";
    String keywords "above, absorption, adg_442, algorithm, available, backscattering, bbp_442, below, carbon, carbon_phyto, chemistry, chlor_a, chlorophyll, color, concentration, concentration_of_chlorophyll_in_sea_water, daily, data, day, delaware, detrital, downloaded, due, earth, Earth Science > Oceans > Ocean Chemistry > Chlorophyll, gelbstoff, giop, hybrid, instantaneous, ipar_planar_above, ipar_planar_below, irradiance, just, material, model, ocbg, ocean, ocean color, oceans, oci, optical, optical properties, orb, organic, pace, par_day_planar_above, par_day_planar_below, par_day_scalar_below, particulate, photosynthetically, phytoplankton, phytoplankton species, planar, poc, processed, properties, provisional, scalar, science, sea, seawater, species, stramski, surface, time, university, version, water";
    String keywords_vocabulary "GCMD Science Keywords";
    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 89.97916412353516;
    String source "satellite observation NASA MODIS-Aqua instrument";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing -89.97917175292969;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String summary "PACE provisional data downloaded from OCBG. Processed by UD ORB";
    String time_coverage_end "2024-09-30T04:00:00Z";
    String time_coverage_start "2024-09-03T04:00:00Z";
    String title "PACE provisional data downloaded from OCBG. Processed by UD ORB. Misc datasets";
    String url "http://orb.ceoe.udel.edu/";
    Float64 Westernmost_Easting -179.9791717529297;
  }
}

 

Using griddap to Request Data and Graphs from Gridded Datasets

griddap lets you request a data subset, graph, or map from a gridded dataset (for example, sea surface temperature data from a satellite), via a specially formed URL. griddap uses the OPeNDAP (external link) Data Access Protocol (DAP) (external link) and its projection 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.

griddap request URLs must be in the form
https://coastwatch.pfeg.noaa.gov/erddap/griddap/datasetID.fileType{?query}
For example,
https://coastwatch.pfeg.noaa.gov/erddap/griddap/jplMURSST41.htmlTable?analysed_sst[(2002-06-01T09:00:00Z)][(-89.99):1000:(89.99)][(-179.99):1000:(180.0)]
Thus, the query is often a data variable name (e.g., analysed_sst), followed by [(start):stride:(stop)] (or a shorter variation of that) for each of the variable's dimensions (for example, [time][latitude][longitude]).

For details, see the griddap Documentation.


 
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