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Dataset Title: | MODIS Aqua 3-Day 1 km Composite Northwest Atlantic |
Institution: | University of Delaware (Dataset ID: MODIS_AQUA_3_day) |
Information: | Summary | License | FGDC | ISO 19115 | Metadata | Background | Data Access Form |
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Attributes { time { Int32 _ChunkSizes 1; String _CoordinateAxisType "Time"; Float64 actual_range 1.025740799e+9, 1.664755199e+9; String axis "T"; String ioos_category "Time"; String long_name "Ending time of data averaged over previous 72 hours"; String standard_name "time"; String time_origin "01-JAN-1970 00:00:00"; String units "seconds since 1970-01-01T00:00:00Z"; } latitude { Int32 _ChunkSizes 4500; String _CoordinateAxisType "Lat"; Float64 actual_range 16.55876921586688, 51.999999999992106; String axis "Y"; String ioos_category "Location"; String long_name "Latitude"; String standard_name "latitude"; String units "degrees_north"; } longitude { Int32 _ChunkSizes 5000; String _CoordinateAxisType "Lon"; Float64 actual_range -99.0, -50.00000000000001; String axis "X"; String ioos_category "Location"; String long_name "Longitude"; String standard_name "longitude"; String units "degrees_east"; } chl_oc3 { Int32 _ChunkSizes 1, 520, 578; 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, OC3 Algorithm"; Float32 missing_value -999.0; String standard_name "concentration_of_chlorophyll_in_sea_water"; String units "mg m^-3"; } a_412_qaa { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; Float64 colorBarMaximum 150.0; Float64 colorBarMinimum 0.0; String ioos_category "Quality"; String long_name "Total absorption at 412 nm, QAA algorithm"; Float32 missing_value -999.0; String units "m^-1"; } a_443_qaa { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; Float64 colorBarMaximum 150.0; Float64 colorBarMinimum 0.0; String ioos_category "Quality"; String long_name "Total absorption at 443 nm, QAA algorithm"; Float32 missing_value -999.0; String units "m^-1"; } a_469_qaa { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; Float64 colorBarMaximum 150.0; Float64 colorBarMinimum 0.0; String ioos_category "Quality"; String long_name "Total absorption at 469 nm, QAA algorithm"; Float32 missing_value -999.0; String units "m^-1"; } a_488_qaa { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; Float64 colorBarMaximum 150.0; Float64 colorBarMinimum 0.0; String ioos_category "Quality"; String long_name "Total absorption at 488 nm, QAA algorithm"; Float32 missing_value -999.0; String units "m^-1"; } a_531_qaa { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; Float64 colorBarMaximum 150.0; Float64 colorBarMinimum 0.0; String ioos_category "Quality"; String long_name "Total absorption at 531 nm, QAA algorithm"; Float32 missing_value -999.0; String units "m^-1"; } a_547_qaa { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; Float64 colorBarMaximum 150.0; Float64 colorBarMinimum 0.0; String ioos_category "Quality"; String long_name "Total absorption at 547 nm, QAA algorithm"; Float32 missing_value -999.0; String units "m^-1"; } a_555_qaa { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; Float64 colorBarMaximum 150.0; Float64 colorBarMinimum 0.0; String ioos_category "Quality"; String long_name "Total absorption at 555 nm, QAA algorithm"; Float32 missing_value -999.0; String units "m^-1"; } a_645_qaa { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; Float64 colorBarMaximum 150.0; Float64 colorBarMinimum 0.0; String ioos_category "Quality"; String long_name "Total absorption at 645 nm, QAA algorithm"; Float32 missing_value -999.0; String units "m^-1"; } a_667_qaa { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; Float64 colorBarMaximum 150.0; Float64 colorBarMinimum 0.0; String ioos_category "Quality"; String long_name "Total absorption at 667 nm, QAA algorithm"; Float32 missing_value -999.0; String units "m^-1"; } a_678_qaa { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; Float64 colorBarMaximum 150.0; Float64 colorBarMinimum 0.0; String ioos_category "Quality"; String long_name "Total absorption at 678 nm, QAA algorithm"; Float32 missing_value -999.0; String units "m^-1"; } bb_547_qaa { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; Float64 colorBarMaximum 150.0; Float64 colorBarMinimum 0.0; String ioos_category "Quality"; String long_name "Total backscattering at 547 nm, QAA algorithm"; Float32 missing_value -999.0; String units "m^-1"; } aph_443_qaa { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; Float64 colorBarMaximum 150.0; Float64 colorBarMinimum 0.0; String ioos_category "Quality"; String long_name "Absorption due to phytoplankton at 443 nm, QAA algorithm"; Float32 missing_value -999.0; String units "m^-1"; } adg_412_qaa { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; Float64 colorBarMaximum 150.0; Float64 colorBarMinimum 0.0; String ioos_category "Quality"; String long_name "Absorption due to gelbstoff and detrital material at 412 nm, QAA algorithm"; Float32 missing_value -999.0; String units "m^-1"; } c_547_qaa { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; Float64 colorBarMaximum 150.0; Float64 colorBarMinimum 0.0; String ioos_category "Quality"; String long_name "Beam attenuation at 547 nm, QAA algorithm"; Float32 missing_value -999.0; String units "m^-1"; } Rrs_412 { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; String ioos_category "Optical Properties"; String long_name "Remote sensing reflectance at 412 nm"; Float32 missing_value -999.0; String units "sr^-1"; } Rrs_443 { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; String ioos_category "Optical Properties"; String long_name "Remote sensing reflectance at 443 nm"; Float32 missing_value -999.0; String units "sr^-1"; } Rrs_469 { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; String ioos_category "Optical Properties"; String long_name "Remote sensing reflectance at 469 nm"; Float32 missing_value -999.0; String units "sr^-1"; } Rrs_488 { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; String ioos_category "Optical Properties"; String long_name "Remote sensing reflectance at 488 nm"; Float32 missing_value -999.0; String units "sr^-1"; } Rrs_531 { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; String ioos_category "Optical Properties"; String long_name "Remote sensing reflectance at 531 nm"; Float32 missing_value -999.0; String units "sr^-1"; } Rrs_547 { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; String ioos_category "Optical Properties"; String long_name "Remote sensing reflectance at 547 nm"; Float32 missing_value -999.0; String units "sr^-1"; } Rrs_555 { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; String ioos_category "Optical Properties"; String long_name "Remote sensing reflectance at 555 nm"; Float32 missing_value -999.0; String units "sr^-1"; } Rrs_645 { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; String ioos_category "Optical Properties"; String long_name "Remote sensing reflectance at 645 nm"; Float32 missing_value -999.0; String units "sr^-1"; } Rrs_667 { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; Float64 colorBarMaximum -25000.035; Float64 colorBarMinimum -25000.055; String ioos_category "Optical Properties"; String long_name "Remote sensing reflectance at 667 nm"; Float32 missing_value -999.0; String units "sr^-1"; } Rrs_678 { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; String ioos_category "Optical Properties"; String long_name "Remote sensing reflectance at 678 nm"; Float32 missing_value -999.0; String units "sr^-1"; } Rrs_748 { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; String ioos_category "Optical Properties"; String long_name "Remote sensing reflectance at 748 nm"; Float32 missing_value -999.0; String units "sr^-1"; } Rrs_859 { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; String ioos_category "Optical Properties"; String long_name "Remote sensing reflectance at 859 nm"; Float32 missing_value -999.0; String units "sr^-1"; } ndvi { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; Float64 colorBarMaximum 10.0; Float64 colorBarMinimum -10.0; String ioos_category "Biology"; String long_name "Normalized Difference Vegetation Index"; Float32 missing_value -999.0; String standard_name "normalized_difference_vegetation_index"; String units "dimensionless"; } evi { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; String ioos_category "Biology"; String long_name "Enhanced Vegetation Index"; Float32 missing_value -999.0; String units "dimensionless"; } pic { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; String ioos_category "Ocean Color"; String long_name "Calcite Concentration, Balch and Gordon"; Float32 missing_value -999.0; String units "mol m^-3"; } poc { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; String ioos_category "Ocean Color"; String long_name "Particulate Organic Carbon, D. Stramski, 2007 (443/555 version)"; Float32 missing_value -999.0; String units "mg m^-3"; } l2_flags { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; Float64 colorBarMaximum 150.0; Float64 colorBarMinimum 0.0; String ioos_category "Quality"; String long_name "Level-2 Processing Flags"; Float32 missing_value -999.0; String units "dimensionless"; } sst { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; Float64 colorBarMaximum 32.0; Float64 colorBarMinimum 0.0; String ioos_category "Temperature"; String long_name "Sea Surface Temperature"; Float32 missing_value -999.0; String standard_name "sea_surface_temperature"; String units "Celsius"; } red_ch { Int32 _ChunkSizes 1, 520, 578; Int32 _FillValue -999; String ioos_category "Unknown"; String long_name "Red Channel"; Int32 missing_value -999; } green_ch { Int32 _ChunkSizes 1, 520, 578; Int32 _FillValue -999; String ioos_category "Unknown"; String long_name "Green Channel"; Int32 missing_value -999; } blue_ch { Int32 _ChunkSizes 1, 520, 578; Int32 _FillValue -999; String ioos_category "Unknown"; String long_name "Blue Channel"; Int32 missing_value -999; } M_WK { Int32 _ChunkSizes 1, 520, 578; Int32 _FillValue -999; String ioos_category "Unknown"; String long_name "Water Mass Classifications using Wards and Kmeans clustering after Oliver and Irwin 2008"; Int32 missing_value -999; } M_WK_G { Int32 _ChunkSizes 1, 520, 578; Float32 _FillValue -999.0; String ioos_category "Unknown"; String long_name "Gradient Strengths Across Water Mass Classifications using Wards and Kmeans clustering after Oliver and Irwin 2008"; Float32 missing_value -999.0; } NC_GLOBAL { String cdm_data_type "Grid"; String Conventions "CF-1.6, COARDS, ACDD-1.3"; Float64 createAgency 0.0; String creator_email "moliver@udel.edu"; String creator_name "Matthew Oliver"; String creator_url "https://www.udel.edu/"; Float64 Easternmost_Easting -50.00000000000001; Float64 geospatial_lat_max 51.999999999992106; Float64 geospatial_lat_min 16.55876921586688; String geospatial_lat_units "degrees_north"; Float64 geospatial_lon_max -50.00000000000001; Float64 geospatial_lon_min -99.0; Float64 geospatial_lon_resolution 0.009801960392078415; String geospatial_lon_units "degrees_east"; String groundstation "University of Delaware, Newark, Center for Remote Sensing"; String history "satellite observation NASA MODIS-Aqua instrument 2024-12-14T06:25:52Z (local files) 2024-12-14T06:25:52Z http://erddap.maracoos.org/griddap/MODIS_AQUA_3_day.das"; String infoUrl "https://aqua.nasa.gov/modis"; Float64 inputCalibrationFile 0.0; Float64 inputMET1 0.0; Float64 inputOZONE1 0.0; String institution "University of Delaware"; String keywords "443/555, a_412_qaa, a_443_qaa, a_469_qaa, a_488_qaa, a_531_qaa, a_547_qaa, a_555_qaa, a_645_qaa, a_667_qaa, a_678_qaa, absorption, across, adg_412_qaa, after, algorithm, aph_443_qaa, aqua, attenuation, backscattering, balch, bb_547_qaa, beam, biology, biosphere, blue, blue_ch, c_547_qaa, calcite, calculation, carbon, channel, chemistry, chl_oc3, chlorophyll, classifications, clustering, color, concentration, concentration_of_chlorophyll_in_sea_water, data, delaware, detrital, difference, due, Earth Science > Biosphere > Vegetation > Vegetation Index, Earth Science > Oceans > Ocean Chemistry > Chlorophyll, Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature, enhanced, evi, flags, gelbstoff, gordon, gradient, green, green_ch, imaging, index, irwin, kmeans, l2_flags, level, level-2, M_WK, M_WK_G, mass, material, moderate, modis, ndvi, normalized, normalized_difference_vegetation_index, oc3, ocean, ocean color, oceans, oliver, optical, optical properties, organic, particulate, phytoplankton, pic, poc, processing, properties, qaa, quality, red, red_ch, reflectance, regrid, remote, resolution, Rrs_412, Rrs_443, Rrs_469, Rrs_488, Rrs_531, Rrs_547, Rrs_555, Rrs_645, Rrs_667, Rrs_678, Rrs_748, Rrs_859, sea, sea_surface_temperature, seadas, seawater, sensing, spectroradiometer, sst, stramski, strengths, surface, temperature, time, total, university, using, vegetation, version, wards, 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."; Int32 nco_openmp_thread_number 1; Float64 Northernmost_Northing 51.999999999992106; String product_list "chl_oc3,a_412_qaa,a_443_qaa,a_469_qaa,a_488_qaa,a_531_qaa,a_547_qaa,a_555_qaa,a_645_qaa,a_667_qaa,a_678_qaa,a_748_qaa,a_869_qaa,bb_547_qaa,aph_443_qaa,adg_412_qaa,c_547_qaa,Rrs_412,Rrs_443,Rrs_469,Rrs_488,Rrs_531,Rrs_547,Rrs_555,Rrs_645,Rrs_667,Rrs_678,Rrs_748,Rrs_859,ndvi,evi,pic,poc,l2_flags,sst,red_ch,green_ch,blue_ch,M_WK,M_WK_G"; Float64 software 0.0; String source "satellite observation NASA MODIS-Aqua instrument"; String sourceUrl "(local files)"; Float64 Southernmost_Northing 16.55876921586688; String standard_name_vocabulary "CF Standard Name Table v29"; String summary "Moderate Resolution Imaging Spectroradiometer (MODIS) Aqua 3-Day 1km Composite ocean color and sst calculation by SeaDas; Regridded to Mercator lon/lat projection. Processed at the University of Delaware. Computed for the Mid-Atlantic Regional Association Coastal Ocean Observing System."; String time_coverage_end "2022-10-02T23:59:59Z"; String time_coverage_start "2002-07-03T23:59:59Z"; String title "MODIS Aqua 3-Day 1 km Composite Northwest Atlantic"; String url "http://orb.ceoe.udel.edu/"; Float64 Westernmost_Easting -99.0; } }
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.