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ERDDAP > griddap > Make A Graph ?

Dataset Title:  Chlorophyll, NOAA VIIRS-SNPP, Near Real-Time, Global, Level 3, 2020-present,
EXPERIMENTAL, Daily
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Institution:  NOAA NESDIS STAR   (Dataset ID: nesdisVHNchlaDaily)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Data Access Form
 
Graph Type:  ?
X Axis:  ?
Y Axis:  ?
Color:  ?
 
Dimensions ?    Start ?    Stop ?
time (UTC) ?     specify just 1 value →
    |< -
< <
altitude (m) ?     specify just 1 value →
   
< <
latitude (degrees_north) ?
    +
    -
< slider >
longitude (degrees_east) ?
    +
    -
< slider >
 
Graph Settings
Color Bar:   Continuity:   Scale: 
   Minimum:   Maximum:   N Sections: 
Draw land mask: 
Y Axis Minimum:   Maximum:   
 
(Please be patient. It may take a while to get the data.)
 
Optional:
Then set the File Type: (File Type information)
and
or view the URL:
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    Click on the map to specify a new center point. ?
Zoom:
[The graph you specified. Please be patient.]

 

Things You Can Do With Your Graphs

Well, you can do anything you want with your graphs, of course. But some things you might not have considered are:

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.5866928e+9, 1.6186608e+9;
    String axis "T";
    String bounds "baseline_bounds";
    String calendar "gregorian";
    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";
  }
  altitude {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "up";
    Float64 actual_range 0.0, 0.0;
    String axis "Z";
    String ioos_category "Location";
    String long_name "Altitude";
    String positive "up";
    String standard_name "altitude";
    String units "m";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 actual_range -89.75625000000002, 89.75625000000001;
    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 -180.01875, 180.01874999999998;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  chlor_a {
    Float32 _FillValue NaN;
    Float64 colorBarMaximum 30.0;
    Float64 colorBarMinimum 0.03;
    String colorBarScale "Log";
    String cw%3aatmospheric_correction "NOAA MECB BMW Atmospheric Correction";
    Int32 cw%3afraction_digits 16;
    String cw%3aprocessing_algorithm "OC3 Algorithm";
    String cw%3aproduct_status "Experimental";
    String grid_mapping "coord_ref";
    String ioos_category "Ocean Color";
    String long_name "Chlorophyll Concentration, OC3 Algorithm";
    Float32 missing_value NaN;
    String references "O'Reilly J. E. et al. (1998), Ocean color chlorophyll algorithms for SeaWiFS, J. Geophys. Res., 103(C11), 2493724953";
    String standard_name "mass_concentration_of_chlorophyll_in_sea_water";
    String units "mg m^-3";
  }
  NC_GLOBAL {
    String cdm_data_type "Grid";
    String Conventions "CF-1.6, COARDS, ACDD-1.3";
    String creator_email "coastwatch.info@noaa.gov";
    String creator_name "NOAA/NESDIS/STAR";
    String creator_type "group";
    String creator_url "http://www.star.nesdis.noaa.gov/socd/mecb/color/";
    String cw%3acwhdf_version "3.1";
    Int32 cw%3agctp_datum 12;
    Float64 cw%3agctp_parm 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0;
    Int32 cw%3agctp_sys 0;
    Int32 cw%3agctp_zone 62;
    String cw%3aorbit_type "ascending";
    Int32 cw%3apass_date 18733, 18733, 18733, 18733, 18733, 18733, 18733, 18733, 18733, 18733, 18733, 18733;
    String cw%3apass_type "day/night";
    String cw%3aprocessing_version "NOAA_MECB_BMW NRT_IDPS";
    String cw%3aprojection "Geographic";
    String cw%3asatellite "S-NPP";
    String cw%3asensor "VIIRS";
    String cw%3asoftware_name "MSL12";
    String cw%3asoftware_version "1.30";
    Float64 cw%3astart_time 9489.96, 76490.111, 76575.517, 76660.921, 82806.516, 82721.111, 9575.365, 3431.55, 9660.771, 82635.706, 3516.954, 3602.36;
    Int32 cw%3aswath_sync_lines 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16;
    Float64 cw%3atemporal_extent 83.0, 83.0, 83.0, 83.0, 83.0, 83.0, 83.0, 83.0, 83.0, 83.0, 83.0, 83.0;
    String cw%3aviirs_band_naming_convention "OBPG";
    String date_created "2021-04-17T16:03:47Z";
    Float64 Easternmost_Easting 180.01874999999998;
    Float64 geospatial_lat_max 89.75625000000001;
    Float64 geospatial_lat_min -89.75625000000002;
    Float64 geospatial_lat_resolution 0.03750000000000001;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 180.01874999999998;
    Float64 geospatial_lon_min -180.01875;
    Float64 geospatial_lon_resolution 0.037500000000000006;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 0.0;
    Float64 geospatial_vertical_min 0.0;
    String geospatial_vertical_positive "up";
    String geospatial_vertical_units "m";
    String history 
"[MSL12 1.30] /data/data055/operational/routine/bin/msl12_x64a par=/data/data097/lide.jiang/worktmp/MSL20210416/V2021106023806_NPP_NRTNIR.par
NOAA_MECB_BMW NRT_IDPS
SVM01_npp_d20210416_t0238069_e0239311_b49056_c20210416032818298380_oeac_ops.h5,S19461993_COADS_GEOS1.MET_noon,,,S20211050010523_TOVS.OZONE,S20211050010523_TOVS.OZONE,S20211050010523_TOVS.OZONE,radcor_modisa_nocor.hdf,polcor_viirsn_22bands_oc.hdf,landmask_USGS_15arc.nc,watermask.dat,digital_elevation_map.hdf,ice_mask.hdf,no2_climatology.hdf,alpha510_climatology.hdf,taua865_climatology.hdf,GMTCO_npp_d20210416_t0238069_e0239311_b49056_c20210416032722460518_oeac_ops.h5,
/home/pub/svc_cwatch/aps/aps/aps/share/coastwatch/bin/netcdf_cf_ingest V2021106023806_NPP_NRTNIR_L2.nc /home/pub/svc_cwatch/aps/aps_y/aps/work/VRSVCW.B2021106.023809.hdf
[cwutils 3.6.1.3 20201118_155352] cwregister2 -M South750UW4590Geographic.hdf VRSVCW.B2021106.023809.hdf VRSVCW.B2021106.023809.UW00.edgemask.hdf
[cwutils 3.6.1.3 20201118_155352] cwgraphics VRSVCW.B2021106.023809.UW00.edgemask.hdf
[cwutils 3.6.1.3 20201118_155352] cwmath --parser emulated --template graphics --expr commonmask=(and(l2_flags,4650)==0) /home/pub/svc_cwatch/aps/aps_y/browse/lvl3/seadas/coastwatch/hdf/VRSVCW_B2021106_023809_UW00_edgemask_masked.hdf
[cwutils 3.6.1.3 20201118_155352] cwmath --parser emulated --template graphics --expr commonmask_nlw=(and(l2_flags,4650)==0) /home/pub/svc_cwatch/aps/aps_y/browse/lvl3/seadas/coastwatch/hdf/VRSVCW_B2021106_023809_UW00_edgemask_masked.hdf
[MSL12 1.30] /data/data055/operational/routine/bin/msl12_x64a par=/data/data097/lide.jiang/worktmp/MSL20210416/V2021106211447_NPP_NRTNIR.par
NOAA_MECB_BMW NRT_IDPS
SVM01_npp_d20210416_t2114471_e2116112_b49067_c20210416220540179931_oeac_ops.h5,S19461993_COADS_GEOS1.MET_noon,,,S20211060010623_TOVS.OZONE,S20211060010623_TOVS.OZONE,S20211060010623_TOVS.OZONE,radcor_modisa_nocor.hdf,polcor_viirsn_22bands_oc.hdf,landmask_USGS_15arc.nc,watermask.dat,digital_elevation_map.hdf,ice_mask.hdf,no2_climatology.hdf,alpha510_climatology.hdf,taua865_climatology.hdf,GMTCO_npp_d20210416_t2114471_e2116112_b49067_c20210416220520807281_oeac_ops.h5,
/home/pub/svc_cwatch/aps/aps/aps/share/coastwatch/bin/netcdf_cf_ingest V2021106211447_NPP_NRTNIR_L2.nc /home/pub/svc_cwatch/aps/aps_s/aps/work/VRSVCW.B2021106.211450.hdf
[cwutils 3.6.1.3 20201118_155352] cwregister2 -M South750UW4590Geographic.hdf VRSVCW.B2021106.211450.hdf VRSVCW.B2021106.211450.UW00.edgemask.hdf
[cwutils 3.6.1.3 20201118_155352] cwgraphics VRSVCW.B2021106.211450.UW00.edgemask.hdf
[cwutils 3.6.1.3 20201118_155352] cwmath --parser emulated --template graphics --expr commonmask=(and(l2_flags,4650)==0) /home/pub/svc_cwatch/aps/aps_s/browse/lvl3/seadas/coastwatch/hdf/VRSVCW_B2021106_211450_UW00_edgemask_masked.hdf
[cwutils 3.6.1.3 20201118_155352] cwmath --parser emulated --template graphics --expr commonmask_nlw=(and(l2_flags,4650)==0) /home/pub/svc_cwatch/aps/aps_s/browse/lvl3/seadas/coastwatch/hdf/VRSVCW_B2021106_211450_UW00_edgemask_masked.hdf
[MSL12 1.30] /data/data055/operational/routine/bin/msl12_x64a par=/data/data097/lide.jiang/worktmp/MSL20210416/V2021106211612_NPP_NRTNIR.par
NOAA_MECB_BMW NRT_IDPS
SVM01_npp_d20210416_t2116125_e2117366_b49067_c20210416220548281019_oeac_ops.h5,S19461993_COADS_GEOS1.MET_noon,,,S20211060010623_TOVS.OZONE,S20211060010623_TOVS.OZONE,S20211060010623_TOVS.OZONE,radcor_modisa_nocor.hdf,polcor_viirsn_22bands_oc.hdf,landmask_USGS_15arc.nc,watermask.dat,digital_elevation_map.hdf,ice_mask.hdf,no2_climatology.hdf,alpha510_climatology.hdf,taua865_climatology.hdf,GMTCO_npp_d20210416_t2116125_e2117366_b49067_c20210416220520817201_oeac_ops.h5,
/home/pub/svc_cwatch/aps/aps/aps/share/coastwatch/bin/netcdf_cf_ingest V2021106211612_NPP_NRTNIR_L2.nc /home/pub/svc_cwatch/aps/aps_s/aps/work/VRSVCW.B2021106.211615.hdf
[cwutils 3.6.1.3 20201118_155352] cwregister2 -M South750UW4590Geographic.hdf VRSVCW.B2021106.211615.hdf VRSVCW.B2021106.211615.UW00.edgemask.hdf
[cwutils 3.6.1.3 20201118_155352] cwgraphics VRSVCW.B2021106.211615.UW00.edgemask.hdf
[cwutils 3.6.1.3 20201118_155352] cwmath --parser emulated --template graphics --expr commonmask=(and(l2_flags,4650)==0) /home/pub/svc_cwatch/aps/aps_s/browse/lvl3/seadas/coastwatch/hdf/VRSVCW_B2021106_211615_UW00_edgemask_masked.hdf
[cwutils 3.6.1.3 20201118_155352] cwmath --parser emulated --template graphics --expr commonmask_nlw=(and(l2_flags,4650)==0) /home/pub/svc_cwatch/aps/aps_s/browse/lvl3/seadas/coastwatch/hdf/VRSVCW_B2021106_211615_UW00_edgemask_masked.hdf
[MSL12 1.30] /data/data055/operational/routine/bin/msl12_x64a par=/data/data097/lide.jiang/worktmp/MSL20210416/V2021106211737_NPP_NRTNIR.par
NOAA_MECB_BMW NRT_IDPS
SVM01_npp_d20210416_t2117379_e2119020_b49067_c20210416220619930857_oeac_ops.h5,S19461993_COADS_GEOS1.MET_noon,,,S20211060010623_TOVS.OZONE,S20211060010623_TOVS.OZONE,S20211060010623_TOVS.OZONE,radcor_modisa_nocor.hdf,polcor_viirsn_22bands_oc.hdf,landmask_USGS_15arc.nc,watermask.dat,digital_elevation_map.hdf,ice_mask.hdf,no2_climatology.hdf,alpha510_climatology.hdf,taua865_climatology.hdf,GMTCO_npp_d20210416_t2117379_e2119020_b49067_c20210416220530918416_oeac_ops.h5,
/home/pub/svc_cwatch/aps/aps/aps/share/coastwatch/bin/netcdf_cf_ingest V2021106211737_NPP_NRTNIR_L2.nc /home/pub/svc_cwatch/aps/aps_z/aps/work/VRSVCW.B2021106.211740.hdf
[cwutils 3.6.1.3 20201118_155352] cwregister2 -M South750UW4590Geographic.hdf VRSVCW.B2021106.211740.hdf VRSVCW.B2021106.211740.UW00.edgemask.hdf
[cwutils 3.6.1.3 20201118_155352] cwgraphics VRSVCW.B2021106.211740.UW00.edgemask.hdf
[cwutils 3.6.1.3 20201118_155352] cwmath --parser emulated --template graphics --expr commonmask=(and(l2_flags,4650)==0) /home/pub/svc_cwatch/aps/aps_z/browse/lvl3/seadas/coastwatch/hdf/VRSVCW_B2021106_211740_UW00_edgemask_masked.hdf
[cwutils 3.6.1.3 20201118_155352] cwmath --parser emulated --template graphics --expr commonmask_nlw=(and(l2_flags,4650)==0) /home/pub/svc_cwatch/aps/aps_z/browse/lvl3/seadas/coastwatch/hdf/VRSVCW_B2021106_211740_UW00_edgemask_masked.hdf
[MSL12 1.30] /data/data055/operational/routine/bin/msl12_x64a par=/data/data097/lide.jiang/worktmp/MSL20210416/V2021106230003_NPP_NRTNIR.par
NOAA_MECB_BMW NRT_IDPS
SVM01_npp_d20210416_t2300035_e2301276_b49068_c20210416234823521879_oeac_ops.h5,S19461993_COADS_GEOS1.MET_noon,,,S20211060010623_TOVS.OZONE,S20211060010623_TOVS.OZONE,S20211060010623_TOVS.OZONE,radcor_modisa_nocor.hdf,polcor_viirsn_22bands_oc.hdf,landmask_USGS_15arc.nc,watermask.dat,digital_elevation_map.hdf,ice_mask.hdf,no2_climatology.hdf,alpha510_climatology.hdf,taua865_climatology.hdf,GMTCO_npp_d20210416_t2300035_e2301276_b49068_c20210416234729817287_oeac_ops.h5,
/home/pub/svc_cwatch/aps/aps/aps/share/coastwatch/bin/netcdf_cf_ingest V2021106230003_NPP_NRTNIR_L2.nc /home/pub/svc_cwatch/aps/aps_x/aps/work/VRSVCW.B2021106.230006.hdf
[cwutils 3.6.1.3 20201118_155352] cwregister2 -M South750UW4590Geographic.hdf VRSVCW.B2021106.230006.hdf VRSVCW.B2021106.230006.UW00.edgemask.hdf
[cwutils 3.6.1.3 20201118_155352] cwgraphics VRSVCW.B2021106.230006.UW00.edgemask.hdf
[cwutils 3.6.1.3 20201118_155352] cwmath --parser emulated --template graphics --expr commonmask=(and(l2_flags,4650)==0) /home/pub/svc_cwatch/aps/aps_x/browse/lvl3/seadas/coastwatch/hdf/VRSVCW_B2021106_230006_UW00_edgemask_masked.hdf
[cwutils 3.6.1.3 20201118_155352] cwmath --parser emulated --template graphics --expr commonmask_nlw=(and(l2_flags,4650)==0) /home/pub/svc_cwatch/aps/aps_x/browse/lvl3/seadas/coastwatch/hdf/VRSVCW_B2021106_230006_UW00_edgemask_masked.hdf
[MSL12 1.30] /data/data055/operational/routine/bin/msl12_x64a par=/data/data097/lide.jiang/worktmp/MSL20210416/V2021106225838_NPP_NRTNIR.par
NOAA_MECB_BMW NRT_IDPS
SVM01_npp_d20210416_t2258381_e2300022_b49068_c20210416235040749232_oeac_ops.h5,S19461993_COADS_GEOS1.MET_noon,,,S20211060010623_TOVS.OZONE,S20211060010623_TOVS.OZONE,S20211060010623_TOVS.OZONE,radcor_modisa_nocor.hdf,polcor_viirsn_22bands_oc.hdf,landmask_USGS_15arc.nc,watermask.dat,digital_elevation_map.hdf,ice_mask.hdf,no2_climatology.hdf,alpha510_climatology.hdf,taua865_climatology.hdf,GMTCO_npp_d20210416_t2258381_e2300022_b49068_c20210416235005023682_oeac_ops.h5,
/home/pub/svc_cwatch/aps/aps/aps/share/coastwatch/bin/netcdf_cf_ingest V2021106225838_NPP_NRTNIR_L2.nc /home/pub/svc_cwatch/aps/aps_r/aps/work/VRSVCW.B2021106.225841.hdf
[cwutils 3.6.1.3 20201118_155352] cwregister2 -M South750UW4590Geographic.hdf VRSVCW.B2021106.225841.hdf VRSVCW.B2021106.225841.UW00.edgemask.hdf
[cwutils 3.6.1.3 20201118_155352] cwgraphics VRSVCW.B2021106.225841.UW00.edgemask.hdf
[cwutils 3.6.1.3 20201118_155352] cwmath --parser emulated --template graphics --expr commonmask=(and(l2_flags,4650)==0) /home/pub/svc_cwatch/aps/aps_r/browse/lvl3/seadas/coastwatch/hdf/VRSVCW_B2021106_225841_UW00_edgemask_masked.hdf
[cwutils 3.6.1.3 20201118_155352] cwmath --parser emulated --template graphics --expr commonmask_nlw=(and(l2_flags,4650)==0) /home/pub/svc_cwatch/aps/aps_r/browse/lvl3/seadas/coastwatch/hdf/VRSVCW_B2021106_225841_UW00_edgemask_masked.hdf
[MSL12 1.30] /data/data055/operational/routine/bin/msl12_x64a par=/data/data097/lide.jiang/worktmp/MSL20210416/V2021106023932_NPP_NRTNIR.par
NOAA_MECB_BMW NRT_IDPS
SVM01_npp_d20210416_t0239323_e0240565_b49056_c20210416032820708535_oeac_ops.h5,S19461993_COADS_GEOS1.MET_noon,,,S20211050010523_TOVS.OZONE,S20211050010523_TOVS.OZONE,S20211050010523_TOVS.OZONE,radcor_modisa_nocor.hdf,polcor_viirsn_22bands_oc.hdf,landmask_USGS_15arc.nc,watermask.dat,digital_elevation_map.hdf,ice_mask.hdf,no2_climatology.hdf,alpha510_climatology.hdf,taua865_climatology.hdf,GMTCO_npp_d20210416_t0239323_e0240565_b49056_c20210416032813982225_oeac_ops.h5,
/home/pub/svc_cwatch/aps/aps/aps/share/coastwatch/bin/netcdf_cf_ingest V2021106023932_NPP_NRTNIR_L2.nc /home/pub/svc_cwatch/aps/aps_s/aps/work/VRSVCW.B2021106.023935.hdf
[cwutils 3.6.1.3 20201118_155352] cwregister2 -M South750UW4590Geographic.hdf VRSVCW.B2021106.023935.hdf VRSVCW.B2021106.023935.UW00.edgemask.hdf
[cwutils 3.6.1.3 20201118_155352] cwgraphics VRSVCW.B2021106.023935.UW00.edgemask.hdf
[cwutils 3.6.1.3 20201118_155352] cwmath --parser emulated --template graphics --expr commonmask=(and(l2_flags,4650)==0) /home/pub/svc_cwatch/aps/aps_s/browse/lvl3/seadas/coastwatch/hdf/VRSVCW_B2021106_023935_UW00_edgemask_masked.hdf
[cwutils 3.6.1.3 20201118_155352] cwmath --parser emulated --template graphics --expr commonmask_nlw=(and(l2_flags,4650)==0) /home/pub/svc_cwatch/aps/aps_s/browse/lvl3/seadas/coastwatch/hdf/VRSVCW_B2021106_023935_UW00_edgemask_masked.hdf
[MSL12 1.30] /data/data055/operational/routine/bin/msl12_x64a par=/data/data097/lide.jiang/worktmp/MSL20210415/MSL20210416/V2021106005708_NPP_NRTNIR.par
NOAA_MECB_BMW NRT_IDPS
SVM01_npp_d20210416_t0057085_e0058327_b49055_c20210416014655769841_oeac_ops.h5,S19461993_COADS_GEOS1.MET_noon,,,S20211050010523_TOVS.OZONE,S20211050010523_TOVS.OZONE,S20211050010523_TOVS.OZONE,radcor_modisa_nocor.hdf,polcor_viirsn_22bands_oc.hdf,landmask_USGS_15arc.nc,watermask.dat,digital_elevation_map.hdf,ice_mask.hdf,no2_climatology.hdf,alpha510_climatology.hdf,taua865_climatology.hdf,GMTCO_npp_d20210416_t0057085_e0058327_b49055_c20210416014602181823_oeac_ops.h5,
/home/pub/svc_cwatch/aps/aps/aps/share/coastwatch/bin/netcdf_cf_ingest V2021106005708_NPP_NRTNIR_L2.nc /home/pub/svc_cwatch/aps/aps_q/aps/work/VRSVCW.B2021106.005711.hdf
[cwutils 3.6.1.3 20201118_155352] cwregister2 -M South750UW4590Geographic.hdf VRSVCW.B2021106.005711.hdf VRSVCW.B2021106.005711.UW00.edgemask.hdf
[cwutils 3.6.1.3 20201118_155352] cwgraphics VRSVCW.B2021106.005711.UW00.edgemask.hdf
[cwutils 3.6.1.3 20201118_155352] cwmath --parser emulated --template graphics --expr commonmask=(and(l2_flags,4650)==0) /home/pub/svc_cwatch/aps/aps_q/browse/lvl3/seadas/coastwatch/hdf/VRSVCW_B2021106_005711_UW00_edgemask_masked.hdf
[cwutils 3.6.1.3 20201118_155352] cwmath --parser emulated --template graphics --expr commonmask_nlw=(and(l2_flags,4650)==0) /home/pub/svc_cwatch/aps/aps_q/browse/lvl3/seadas/coastwatch/hdf/VRSVCW_B2021106_005711_UW00_edgemask_masked.hdf
[MSL12 1.30] /data/data055/operational/routine/bin/msl12_x64a par=/data/data097/lide.jiang/worktmp/MSL20210416/V2021106024057_NPP_NRTNIR.par
NOAA_MECB_BMW NRT_IDPS
SVM01_npp_d20210416_t0240577_e0242219_b49056_c20210416032827663937_oeac_ops.h5,S19461993_COADS_GEOS1.MET_noon,,,S20211050010523_TOVS.OZONE,S20211050010523_TOVS.OZONE,S20211050010523_TOVS.OZONE,radcor_modisa_nocor.hdf,polcor_viirsn_22bands_oc.hdf,landmask_USGS_15arc.nc,watermask.dat,digital_elevation_map.hdf,ice_mask.hdf,no2_climatology.hdf,alpha510_climatology.hdf,taua865_climatology.hdf,GMTCO_npp_d20210416_t0240577_e0242219_b49056_c20210416032813992422_oeac_ops.h5,
/home/pub/svc_cwatch/aps/aps/aps/share/coastwatch/bin/netcdf_cf_ingest V2021106024057_NPP_NRTNIR_L2.nc /home/pub/svc_cwatch/aps/aps_z/aps/work/VRSVCW.B2021106.024100.hdf
[cwutils 3.6.1.3 20201118_155352] cwregister2 -M South750UW4590Geographic.hdf VRSVCW.B2021106.024100.hdf VRSVCW.B2021106.024100.UW00.edgemask.hdf
[cwutils 3.6.1.3 20201118_155352] cwgraphics VRSVCW.B2021106.024100.UW00.edgemask.hdf
[cwutils 3.6.1.3 20201118_155352] cwmath --parser emulated --template graphics --expr commonmask=(and(l2_flags,4650)==0) /home/pub/svc_cwatch/aps/aps_z/browse/lvl3/seadas/coastwatch/hdf/VRSVCW_B2021106_024100_UW00_edgemask_masked.hdf
[cwutils 3.6.1.3 20201118_155352] cwmath --parser emulated --template graphics --expr commonmask_nlw=(and(l2_flags,4650)==0) /home/pub/svc_cwatch/aps/aps_z/browse/lvl3/seadas/coastwatch/hdf/VRSVCW_B2021106_024100_UW00_edgemask_masked.hdf
[MSL12 1.30] /data/data055/operational/routine/bin/msl12_x64a par=/data/data097/lide.jiang/worktmp/MSL20210416/V2021106225712_NPP_NRTNIR.par
NOAA_MECB_BMW NRT_IDPS
SVM01_npp_d20210416_t2257127_e2258368_b49068_c20210416235024629637_oeac_ops.h5,S19461993_COADS_GEOS1.MET_noon,,,S20211060010623_TOVS.OZONE,S20211060010623_TOVS.OZONE,S20211060010623_TOVS.OZONE,radcor_modisa_nocor.hdf,polcor_viirsn_22bands_oc.hdf,landmask_USGS_15arc.nc,watermask.dat,digital_elevation_map.hdf,ice_mask.hdf,no2_climatology.hdf,alpha510_climatology.hdf,taua865_climatology.hdf,GMTCO_npp_d20210416_t2257127_e2258368_b49068_c20210416234929830172_oeac_ops.h5,
/home/pub/svc_cwatch/aps/aps/aps/share/coastwatch/bin/netcdf_cf_ingest V2021106225712_NPP_NRTNIR_L2.nc /home/pub/svc_cwatch/aps/aps_z/aps/work/VRSVCW.B2021106.225715.hdf
[cwutils 3.6.1.3 20201118_155352] cwregister2 -M South750UW4590Geographic.hdf VRSVCW.B2021106.225715.hdf VRSVCW.B2021106.225715.UW00.edgemask.hdf
[cwutils 3.6.1.3 20201118_155352] cwgraphics VRSVCW.B2021106.225715.UW00.edgemask.hdf
[cwutils 3.6.1.3 20201118_155352] cwmath --parser emulated --template graphics --expr commonmask=(and(l2_flags,4650)==0) /home/pub/svc_cwatch/aps/aps_z/browse/lvl3/seadas/coastwatch/hdf/VRSVCW_B2021106_225715_UW00_edgemask_masked.hdf
[cwutils 3.6.1.3 20201118_155352] cwmath --parser emulated --template graphics --expr commonmask_nlw=(and(l2_flags,4650)==0) /home/pub/svc_cwatch/aps/aps_z/browse/lvl3/seadas/coastwatch/hdf/VRSVCW_B2021106_225715_UW00_edgemask_masked.hdf
[MSL12 1.30] /data/data055/operational/routine/bin/msl12_x64a par=/data/data097/lide.jiang/worktmp/MSL20210415/MSL20210416/V2021106005833_NPP_NRTNIR.par
NOAA_MECB_BMW NRT_IDPS
SVM01_npp_d20210416_t0058339_e0059581_b49055_c20210416014730778388_oeac_ops.h5,S19461993_COADS_GEOS1.MET_noon,,,S20211050010523_TOVS.OZONE,S20211050010523_TOVS.OZONE,S20211050010523_TOVS.OZONE,radcor_modisa_nocor.hdf,polcor_viirsn_22bands_oc.hdf,landmask_USGS_15arc.nc,watermask.dat,digital_elevation_map.hdf,ice_mask.hdf,no2_climatology.hdf,alpha510_climatology.hdf,taua865_climatology.hdf,GMTCO_npp_d20210416_t0058339_e0059581_b49055_c20210416014613352628_oeac_ops.h5,
/home/pub/svc_cwatch/aps/aps/aps/share/coastwatch/bin/netcdf_cf_ingest V2021106005833_NPP_NRTNIR_L2.nc /home/pub/svc_cwatch/aps/aps_w/aps/work/VRSVCW.B2021106.005836.hdf
[cwutils 3.6.1.3 20201118_155352] cwregister2 -M South750UW4590Geographic.hdf VRSVCW.B2021106.005836.hdf VRSVCW.B2021106.005836.UW00.edgemask.hdf
[cwutils 3.6.1.3 20201118_155352] cwgraphics VRSVCW.B2021106.005836.UW00.edgemask.hdf
[cwutils 3.6.1.3 20201118_155352] cwmath --parser emulated --template graphics --expr commonmask=(and(l2_flags,4650)==0) /home/pub/svc_cwatch/aps/aps_w/browse/lvl3/seadas/coastwatch/hdf/VRSVCW_B2021106_005836_UW00_edgemask_masked.hdf
[cwutils 3.6.1.3 20201118_155352] cwmath --parser emulated --template graphics --expr commonmask_nlw=(and(l2_flags,4650)==0) /home/pub/svc_cwatch/aps/aps_w/browse/lvl3/seadas/coastwatch/hdf/VRSVCW_B2021106_005836_UW00_edgemask_masked.hdf
[MSL12 1.30] /data/data055/operational/routine/bin/msl12_x64a par=/data/data097/lide.jiang/worktmp/MSL20210415/MSL20210416/V2021106005959_NPP_NRTNIR.par
NOAA_MECB_BMW NRT_IDPS
SVM01_npp_d20210416_t0059593_e0101235_b49055_c20210416014730966108_oeac_ops.h5,S19461993_COADS_GEOS1.MET_noon,,,S20211050010523_TOVS.OZONE,S20211050010523_TOVS.OZONE,S20211050010523_TOVS.OZONE,radcor_modisa_nocor.hdf,polcor_viirsn_22bands_oc.hdf,landmask_USGS_15arc.nc,watermask.dat,digital_elevation_map.hdf,ice_mask.hdf,no2_climatology.hdf,alpha510_climatology.hdf,taua865_climatology.hdf,GMTCO_npp_d20210416_t0059593_e0101235_b49055_c20210416014613363426_oeac_ops.h5,
/home/pub/svc_cwatch/aps/aps/aps/share/coastwatch/bin/netcdf_cf_ingest V2021106005959_NPP_NRTNIR_L2.nc /home/pub/svc_cwatch/aps/aps_s/aps/work/VRSVCW.B2021106.010002.hdf
[cwutils 3.6.1.3 20201118_155352] cwregister2 -M South750UW4590Geographic.hdf VRSVCW.B2021106.010002.hdf VRSVCW.B2021106.010002.UW00.edgemask.hdf
[cwutils 3.6.1.3 20201118_155352] cwgraphics VRSVCW.B2021106.010002.UW00.edgemask.hdf
[cwutils 3.6.1.3 20201118_155352] cwmath --parser emulated --template graphics --expr commonmask=(and(l2_flags,4650)==0) /home/pub/svc_cwatch/aps/aps_s/browse/lvl3/seadas/coastwatch/hdf/VRSVCW_B2021106_010002_UW00_edgemask_masked.hdf
[cwutils 3.6.1.3 20201118_155352] cwmath --parser emulated --template graphics --expr commonmask_nlw=(and(l2_flags,4650)==0) /home/pub/svc_cwatch/aps/aps_s/browse/lvl3/seadas/coastwatch/hdf/VRSVCW_B2021106_010002_UW00_edgemask_masked.hdf
[cwutils 3.6.1.3 20201118_155352] cwcomposite --pedantic --method explicit --inputs - --match ^(longitude|latitude|chlor_a)$ /home/pub/svc_cwatch/aps/aps_v/browse/lvl4/modis/coastwatch/hdf/VRSVCW_B2021106_C12_005711-010002_023809-024100_211450-211740_225715-230006_UW00_edgemask_chlora.hdf
[cwutils 3.6.1.3 20201118_155352] cwgraphics /home/pub/svc_cwatch/aps/aps_v/browse/lvl4/modis/coastwatch/hdf/VRSVCW_B2021106_C12_005711-010002_023809-024100_211450-211740_225715-230006_UW00_edgemask_chlora.hdf
[cwutils 3.6.1.3 20201118_155352] cwimport --match=^graphics$ --copy /home/pub/svc_cwatch/aps/aps/aps/share/coastwatch/icons/GlobalFourKmGeographic.hdf /home/pub/svc_cwatch/aps/aps_x/browse/lvl4/modis/coastwatch/maskhdf/VRSVCW_B2021106_B2021106_F1_WW00_edgemask_chlora.hdf
2021-04-19T04:02:28Z https://www.star.nesdis.noaa.gov/thredds/dodsC/CoastWatch/VIIRS/npp/chlora/DailyGlobal/WW00
2021-04-19T04:02:28Z http://coastwatch.pfeg.noaa.gov/griddap/nesdisVHNchlaDaily.das";
    String identifier_product_doi_authority "https://dx.doi.org";
    String infoUrl "https://www.star.nesdis.noaa.gov/thredds/dodsC/CoastWatch/VIIRS/npp/chlora/DailyGlobal/WW00.html";
    String institution "NOAA NESDIS STAR";
    String instrument "VIIRS";
    String keywords "algorithm, altitude, chemistry, chlor_a, chlorophyll, color, concentration, data, default, Earth Science > Oceans > Ocean Chemistry > Chlorophyll, Earth Science > Oceans > Ocean Optics > Ocean Color, imager, imager/radiometer, imaging, infrared, L3, level, level-3, mass, mass_concentration_of_chlorophyll_a_in_sea_water, national, npp, ocean, ocean color, oceans, optics, orbiting, partnership, polar, polar-orbiting, radiometer, sea, seawater, star, suite, suite/suomi-npp, suomi, time, viirs, viirs-n, viirsn, visible, water, ww00";
    String keywords_vocabulary "GCMD Science Keywords";
    String license 
"https://science.nasa.gov/earth-science/earth-science-data/data-information-policy/
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 naming_authority "gov.noaa.pfeg.coastwatch";
    Float64 Northernmost_Northing 89.75625000000001;
    String OBSERVED_PROPERTY "chlor_a";
    String platform "S-NPP";
    String publisher_email "coastwatch.info@noaa.gov; ncei.info@noaa.gov";
    String publisher_name "NOAA CoastWatch; National Centers for Environmental Information (NCEI)";
    String publisher_url "https://coastwatch.noaa.gov; https://www.ncei.noaa.gov/";
    String source "S-NPP_VIIRS_chlora";
    String sourceUrl "https://www.star.nesdis.noaa.gov/thredds/dodsC/CoastWatch/VIIRS/npp/chlora/DailyGlobal/WW00";
    Float64 Southernmost_Northing -89.75625000000002;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String summary "Visible and Infrared Imager/Radiometer Suite/Suomi-NPP (VIIRSN) Level-3 (WW00), Near Real-Time, Chlorophyll, Global, Daily, processed by NOAA. EXPERIMENTAL.";
    String testOutOfDate "now-3days";
    String time_coverage_end "2021-04-17T12:00:00Z";
    String time_coverage_start "2020-04-12T12:00:00Z";
    String title "Chlorophyll, NOAA VIIRS-SNPP, Near Real-Time, Global, Level 3, 2020-present, EXPERIMENTAL, Daily";
    Float64 Westernmost_Easting -180.01875;
  }
}

 

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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