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ERDDAP
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Dataset Title: | Photosynthetically Available Radiation (PAR), SeaWIFS - Monthly, 1997-2010. v. 2018.0 ![]() ![]() |
Institution: | NASA/GSFC OBPG (Dataset ID: sw_par_monthly_2018_0) |
Information: | Summary ![]() ![]() ![]() |
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Attributes { time { String _CoordinateAxisType "Time"; Float64 actual_range 8.744112e+8, 1.2925008e+9; String axis "T"; String ioos_category "Time"; String long_name "Centered 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"; Float32 _FillValue NaN; Float32 actual_range -89.95834, 89.95834; String axis "Y"; String ioos_category "Location"; String long_name "Latitude"; String standard_name "latitude"; String units "degrees_north"; Float32 valid_max 90.0; Float32 valid_min -90.0; } longitude { String _CoordinateAxisType "Lon"; Float32 _FillValue NaN; Float32 actual_range 0.04166667, 359.9583; String axis "X"; String ioos_category "Location"; String long_name "Longitude"; String standard_name "longitude"; String units "degrees_east"; Float32 valid_max 360.0; Float32 valid_min 0.0; } par { Float32 _FillValue NaN; Float64 colorBarMaximum 70.0; Float64 colorBarMinimum 0.0; String ioos_category "Heat Flux"; String long_name "Photosynthetically Available Radiation, R. Frouin"; String references "Frouin, R., Ligner, D.W., and Gautier, C., 1989: A Simple analytical formula to compute clear sky total and photosynthetically available solar irradiance at the ocean surface. J. Geophys. Res., 94, 9731-9742."; String standard_name "surface_downwelling_photosynthetic_photon_flux_in_air"; String units "einstein m-2 day-1"; Float32 valid_max 130.0; Float32 valid_min 0.0; } NC_GLOBAL { String _lastModified "2018-01-31T05:00:03.000Z"; String _NCProperties "version=1|netcdflibversion=4.4.1.1|hdf5libversion=1.8.18"; String cdm_data_type "Grid"; String Conventions "CF-1.6 ACDD-1.3, COARDS"; String creator_email "data@oceancolor.gsfc.nasa.gov"; String creator_name "NASA/GSFC/OBPG"; String creator_type "group"; String creator_url "https://oceandata.sci.gsfc.nasa.gov"; String date_created "2018-01-31T05:00:03Z"; Float64 Easternmost_Easting 359.9583; Float64 geospatial_lat_max 89.95834; Float64 geospatial_lat_min -89.95834; String geospatial_lat_units "degrees_north"; Float64 geospatial_lon_max 359.9583; Float64 geospatial_lon_min 0.04166667; String geospatial_lon_units "degrees_east"; String grid_mapping_name "latitude_longitude"; String history "Thu Mar 7 16:07:35 2019: ncatted -O -a sw_point_longitude,global,o,f,0.04166667 S20103352010365.L3m_MO_PAR_par_9km-0-360.nc Thu Mar 7 16:07:35 2019: ncatted -O -a geospatial_lon_min,global,o,f,0.0 S20103352010365.L3m_MO_PAR_par_9km-0-360.nc Thu Mar 7 16:07:35 2019: ncatted -O -a geospatial_lon_max,global,o,f,360.0 S20103352010365.L3m_MO_PAR_par_9km-0-360.nc Thu Mar 7 16:07:35 2019: ncatted -O -a easternmost_longitude,global,o,f,360.0 S20103352010365.L3m_MO_PAR_par_9km-0-360.nc Thu Mar 7 16:07:35 2019: ncatted -O -a westernmost_longitude,global,o,f,0.0 S20103352010365.L3m_MO_PAR_par_9km-0-360.nc Thu Mar 7 16:07:35 2019: ncatted -O -a valid_max,lon,o,f,360.0 S20103352010365.L3m_MO_PAR_par_9km-0-360.nc Thu Mar 7 16:07:35 2019: ncatted -O -a valid_min,lon,o,f,0.0 S20103352010365.L3m_MO_PAR_par_9km-0-360.nc Thu Mar 7 16:07:34 2019: ncap2 -O -s where(lon<0) lon=lon+360 S20103352010365.L3m_MO_PAR_par_9km-0-360.nc S20103352010365.L3m_MO_PAR_par_9km-0-360.nc Thu Mar 7 16:07:33 2019: ncks -O --msa_usr_rdr -d lon,0.0,180.0 -d lon,-180.0,0.0 S20103352010365.L3m_MO_PAR_par_9km.nc S20103352010365.L3m_MO_PAR_par_9km-0-360.nc l3mapgen par=S20103352010365.L3m_MO_PAR_par_9km.nc.param 2023-10-02T21:00:16Z (local files) 2023-10-02T21:00:16Z https://oceanwatch.pifsc.noaa.gov/griddap/sw_par_monthly_2018_0.das"; String id "S20103352010365.L3b_MO_PAR.nc/L3/S20103352010365.L3b_MO_PAR.nc"; String identifier_product_doi "10.5067/ORBVIEW-2/SEAWIFS/L3M/PAR/2018"; String identifier_product_doi_authority "https://dx.doi.org"; String infoUrl "https://oceandata.sci.gsfc.nasa.gov"; String institution "NASA/GSFC OBPG"; String instrument "SeaWiFS"; String keywords "active, air, available, biology, biosphere, center, color, data, downwelling, earth, Earth Science > Biosphere > Vegetation > Photosynthetically Active Radiation, Earth Science > Oceans > Ocean Optics > Photosynthetically Available Radiation, eightbitcolor, field, field-of-view, flight, flux, frouin, goddard, group, gsfc, heat, heat flux, image, L3, level, level-3, mapped, nasa, obpg, ocean, oceans, optics, palette, par, photon, photosynthetic, photosynthetically, processing, radiation, rgb, science, sea, sea-wide, seawifs, sensor, smi, space, standard, surface, surface_downwelling_photosynthetic_photon_flux_in_air, vegetation, view, wide"; String keywords_vocabulary "GCMD Science Keywords"; String l2_flag_names "LAND,NAVFAIL,FILTER,HIGLINT"; String license "https://science.nasa.gov/earth-science/earth-science-data/data-information-policy/"; String map_projection "Equidistant Cylindrical"; String measure "Mean"; String naming_authority "gov.nasa.gsfc.sci.oceandata"; String NCO "4.3.7"; Int32 nco_openmp_thread_number 1; Float64 Northernmost_Northing 89.95834; String platform "Orbview-2"; String processing_level "L3 Mapped"; String processing_version "2018.0"; String product_name "S20103352010365.L3m_MO_PAR_par_9km.nc"; String project "Ocean Biology Processing Group (NASA/GSFC/OBPG)"; String publisher_email "data@oceancolor.gsfc.nasa.gov"; String publisher_name "NASA/GSFC/OBPG"; String publisher_type "group"; String publisher_url "https://oceandata.sci.gsfc.nasa.gov"; String sourceUrl "(local files)"; Float64 Southernmost_Northing -89.95834; String spatialResolution "9.28 km"; String standard_name_vocabulary "CF Standard Name Table v36"; String summary "Sea-Wide Field-of-View Sensor (SeaWiFS) - Monthly Ocean Color. Photosynthetically Available Radiation. 1997 - 2010. spatial resolution = 9.28km"; String temporal_range "10-day"; String time_coverage_end "2010-12-16T12:00:00Z"; String time_coverage_start "1997-09-16T12:00:00Z"; String title "Photosynthetically Available Radiation (PAR), SeaWIFS - Monthly, 1997-2010. v.2018.0"; Float64 Westernmost_Easting 0.04166667; } }
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[(2015-06-09T09:00:00Z)][(-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.