Easier access to scientific data
Brought to you by NOAA NMFS SWFSC ERD
|
ERDDAP
Easier access to scientific data |
|
Brought to you by NOAA NMFS SWFSC ERD |
| Grid DAP Data | Sub- set | Table DAP Data | Make A Graph | W M S | Source Data Files | Title | Sum- mary | FGDC, ISO, Metadata | Back- ground Info | RSS | E | Institution | Dataset ID | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| data | graph | M | ZZZ - DEPRECATED - Chlorophyll a concentration, ESA OC CCI - 8-Day, 1997-2021. v5.0 |
| F I M | background
| 
| 
|
| esa-cci-chla-8d-v5-0 |
| Row Type | Variable Name | Attribute Name | Data Type | Value |
|---|---|---|---|---|
| attribute | NC_GLOBAL | _NCProperties | String | version=1|netcdflibversion=4.4.1.1|hdf5libversion=1.8.20 |
| attribute | NC_GLOBAL | cdm_data_type | String | Grid |
| attribute | NC_GLOBAL | comment | String | See summary attribute |
| attribute | NC_GLOBAL | Conventions | String | CF-1.7, COARDS, ACDD-1.3 |
| attribute | NC_GLOBAL | creation_date | String | Sun Jan 30 23:33:17 2022 |
| attribute | NC_GLOBAL | creator_email | String | help at esa-oceancolour-cci.org |
| attribute | NC_GLOBAL | creator_name | String | Plymouth Marine Laboratory |
| attribute | NC_GLOBAL | creator_url | String | https://esa-oceancolour-cci.org |
| attribute | NC_GLOBAL | date_created | String | 2022-01-30T23:33:17Z |
| attribute | NC_GLOBAL | Easternmost_Easting | double | 359.97916666666663 |
| attribute | NC_GLOBAL | geospatial_lat_max | double | 89.97916666666667 |
| attribute | NC_GLOBAL | geospatial_lat_min | double | -89.97916666666666 |
| attribute | NC_GLOBAL | geospatial_lat_resolution | double | 0.041666666666666664 |
| attribute | NC_GLOBAL | geospatial_lat_units | String | degrees_north |
| attribute | NC_GLOBAL | geospatial_lon_max | double | 359.97916666666663 |
| attribute | NC_GLOBAL | geospatial_lon_min | double | 0.020833333333314386 |
| attribute | NC_GLOBAL | geospatial_lon_resolution | double | 0.041666666666666664 |
| attribute | NC_GLOBAL | geospatial_lon_units | String | degrees_east |
| attribute | NC_GLOBAL | git_commit_hash | String | 3fe7e05a781af95661c77063a71600c45ea7ca65 |
| attribute | NC_GLOBAL | history | String | Thu Feb 3 09:07:07 2022: ncatted -O -a geospatial_lon_max,global,o,f,360.0 ESACCI-OC-L3S-CHLOR_A-MERGED-8D_DAILY_4km_GEO_PML_OCx-20211227-fv5.0-0-360.nc Thu Feb 3 09:07:07 2022: ncatted -O -a geospatial_lon_min,global,o,f,0.0 ESACCI-OC-L3S-CHLOR_A-MERGED-8D_DAILY_4km_GEO_PML_OCx-20211227-fv5.0-0-360.nc Thu Feb 3 09:07:07 2022: ncatted -O -a valid_max,lon,o,f,359.9792 ESACCI-OC-L3S-CHLOR_A-MERGED-8D_DAILY_4km_GEO_PML_OCx-20211227-fv5.0-0-360.nc Thu Feb 3 09:07:07 2022: ncatted -O -a valid_min,lon,o,f,0.02083 ESACCI-OC-L3S-CHLOR_A-MERGED-8D_DAILY_4km_GEO_PML_OCx-20211227-fv5.0-0-360.nc Thu Feb 3 09:06:51 2022: ncap2 -O -s where(lon<0) lon=lon+360 ESACCI-OC-L3S-CHLOR_A-MERGED-8D_DAILY_4km_GEO_PML_OCx-20211227-fv5.0-0-360.nc ESACCI-OC-L3S-CHLOR_A-MERGED-8D_DAILY_4km_GEO_PML_OCx-20211227-fv5.0-0-360.nc Thu Feb 3 09:06:33 2022: ncks -O --msa_usr_rdr -d lon,0.0,180.0 -d lon,-180.0,0.0 ESACCI-OC-L3S-CHLOR_A-MERGED-8D_DAILY_4km_GEO_PML_OCx-20211227-fv5.0.nc ESACCI-OC-L3S-CHLOR_A-MERGED-8D_DAILY_4km_GEO_PML_OCx-20211227-fv5.0-0-360.nc Source data were: ESACCI-OC-L3S-OC_PRODUCTS-MERGED-1D_DAILY_4km_GEO_PML_OCx_QAA-20211227-fv5.0.nc, ESACCI-OC-L3S-OC_PRODUCTS-MERGED-1D_DAILY_4km_GEO_PML_OCx_QAA-20211228-fv5.0.nc, ESACCI-OC-L3S-OC_PRODUCTS-MERGED-1D_DAILY_4km_GEO_PML_OCx_QAA-20211229-fv5.0.nc, ESACCI-OC-L3S-OC_PRODUCTS-MERGED-1D_DAILY_4km_GEO_PML_OCx_QAA-20211230-fv5.0.nc, ESACCI-OC-L3S-OC_PRODUCTS-MERGED-1D_DAILY_4km_GEO_PML_OCx_QAA-20211231-fv5.0.nc; netcdf_compositor_cci composites Rrs_412, Rrs_443, Rrs_490, Rrs_510, Rrs_560, Rrs_665, water_class1, water_class2, water_class3, water_class4, water_class5, water_class6, water_class7, water_class8, water_class9, water_class10, water_class11, water_class12, water_class13, water_class14, atot_412, atot_443, atot_490, atot_510, atot_560, atot_665, aph_412, aph_443, aph_490, aph_510, aph_560, aph_665, adg_412, adg_443, adg_490, adg_510, adg_560, adg_665, bbp_412, bbp_443, bbp_490, bbp_510, bbp_560, bbp_665, chlor_a, kd_490, Rrs_412_bias, Rrs_443_bias, Rrs_490_bias, Rrs_510_bias, Rrs_560_bias, Rrs_665_bias, chlor_a_log10_bias, aph_412_bias, aph_443_bias, aph_490_bias, aph_510_bias, aph_560_bias, aph_665_bias, adg_412_bias, adg_443_bias, adg_490_bias, adg_510_bias, adg_560_bias, adg_665_bias, kd_490_bias with --mean, Rrs_412_rmsd, Rrs_443_rmsd, Rrs_490_rmsd, Rrs_510_rmsd, Rrs_560_rmsd, Rrs_665_rmsd, chlor_a_log10_rmsd, aph_412_rmsd, aph_443_rmsd, aph_490_rmsd, aph_510_rmsd, aph_560_rmsd, aph_665_rmsd, adg_412_rmsd, adg_443_rmsd, adg_490_rmsd, adg_510_rmsd, adg_560_rmsd, adg_665_rmsd, kd_490_rmsd with --root-mean-square, and MODISA_nobs, VIIRS_nobs, OLCI_nobs, MERIS_nobs, SeaWiFS_nobs, total_nobs - with --total 1643586478 Subsetted from standardised_geo/ESACCI-OC-L3S-OC_PRODUCTS-MERGED-8D_DAILY_4km_GEO_PML_OCx_QAA-20211227-fv5.0.nc to only include variables MERIS_nobs_sum,MODISA_nobs_sum,OLCI_nobs_sum,SeaWiFS_nobs_sum,VIIRS_nobs_sum,chlor_a,chlor_a_log10_bias,chlor_a_log10_rmsd,crs,lat,lon,time,total_nobs_sum |
| attribute | NC_GLOBAL | id | String | ESACCI-OC-L3S-CHLOR_A-MERGED-8D_DAILY_4km_GEO_PML_OCx-20211227-fv5.0.nc |
| attribute | NC_GLOBAL | infoUrl | String | https://esa-oceancolour-cci.org/ |
| attribute | NC_GLOBAL | institution | String | Plymouth Marine Laboratory |
| attribute | NC_GLOBAL | keywords | String | algorithms, aqua, area, array, array-data, bias, bin, blended, cci, cell, chemistry, chlor_a, chlor_a_log10_bias, chlor_a_log10_rmsd, chlorophyll, chlorophyll-a, class, color, colour, combination, comprehensive, concentration, contributing, count, coverage, data, depending, difference, earth, Earth Science > Oceans > Ocean Chemistry > Chlorophyll, esa, field, field-of-view, gac, generated, global, imager, imager/radiometer, imaging, infrared, laboratory, lac, large, local, log, log-transformed, log10, log10-transformed, marine, mass, mass_concentration_of_chlorophyll_a_in_sea_water, mean, memberships, meris, MERIS_nobs_sum, moderate, modis, MODISA_nobs_sum, not, number, observation, observations, oc2, ocean, ocean color, ocean colour, oceans, oci, oci2, ocx, olci, OLCI_nobs_sum, plymouth, product, radiometer, resolution, root, root-mean-square-difference, satellite, science, sea, sea-wide, seawater, seawifs, SeaWiFS_nobs_sum, sensor, spectroradiometer, square, statistics, stewardship, suite, system, time, total, total_nobs_sum, transformed, view, viirs, VIIRS_nobs_sum, visible, water, wide |
| attribute | NC_GLOBAL | keywords_vocabulary | String | GCMD Science Keywords |
| attribute | NC_GLOBAL | license | String | ESA CCI Data Policy: free and open access. When referencing, please use: Ocean Colour Climate Change Initiative dataset, Version <Version Number>, European Space Agency, available online at https://esa-oceancolour-cci.org. We would also appreciate being notified of publications so that we can list them on the project website at https://esa-oceancolour-cci.org/?q=publications |
| attribute | NC_GLOBAL | naming_authority | String | uk.ac.pml |
| attribute | NC_GLOBAL | NCO | String | netCDF Operators version 4.7.5 (Homepage = http://nco.sf.net, Code = https://github.com/nco/nco) |
| attribute | NC_GLOBAL | nco_openmp_thread_number | int | 1 |
| attribute | NC_GLOBAL | netcdf_file_type | String | NETCDF4_CLASSIC |
| attribute | NC_GLOBAL | Northernmost_Northing | double | 89.97916666666667 |
| attribute | NC_GLOBAL | number_of_bands_used_to_classify | String | 4 |
| attribute | NC_GLOBAL | number_of_files_composited | int | 5 |
| attribute | NC_GLOBAL | number_of_optical_water_types | String | 14 |
| attribute | NC_GLOBAL | platform | String | Orbview-2,Aqua,Envisat,Suomi-NPP, Sentinel-3a |
| attribute | NC_GLOBAL | processing_level | String | Level-3 |
| attribute | NC_GLOBAL | product_version | String | 5.0 |
| attribute | NC_GLOBAL | project | String | Climate Change Initiative - European Space Agency |
| attribute | NC_GLOBAL | references | String | https://esa-oceancolour-cci.org/ |
| attribute | NC_GLOBAL | sensor | String | SeaWiFS,MODIS,MERIS,VIIRS,OLCI |
| attribute | NC_GLOBAL | sensors_present | String | MODISA OLCIa VIIRSN |
| attribute | NC_GLOBAL | source | String | NASA SeaWiFS L1A and L2 R2018.0 LAC and GAC, MODIS-Aqua L1A and L2 R2018.0, MERIS L1B 3rd reprocessing inc OCL corrections, NASA VIIRS L1A and L2 R2018.0, OLCI L1B |
| attribute | NC_GLOBAL | sourceUrl | String | (local files) |
| attribute | NC_GLOBAL | Southernmost_Northing | double | -89.97916666666666 |
| attribute | NC_GLOBAL | spatial_resolution | String | 4km nominal at equator |
| attribute | NC_GLOBAL | standard_name_vocabulary | String | CF Standard Name Table v55 |
| attribute | NC_GLOBAL | summary | String | Data products generated by the Ocean Colour component of the European Space Agency Climate Change Initiative project. These files are 8 day composites of merged sensor (MERIS, Moderate Resolution Imaging Spectroradiometer (MODIS) Aqua, Sea-Wide Field-of-View Sensor (SeaWiFS) Local Area Coverage (LAC) & Global Area Coverage (GAC), Visible and Infrared Imager/Radiometer Suite (VIIRS), OLCI) products. MODIS Aqua and SeaWiFS were band-shifted and bias-corrected to MERIS bands and values using a temporally and spatially varying scheme based on the overlap years of 2003-2007. VIIRS was band-shifted and bias-corrected in a second stage against the MODIS Rrs that had already been corrected to MERIS levels, for the overlap period 2012-2013; and at the third stage OLCI was bias corrected against already corrected MODIS, for overlap period 2016-07-01 to 2019-06-30. VIIRS, MODIS, SeaWiFS and MERIS Rrs were derived from a combination of NASA's l2gen (for basic sensor geometry corrections, etc) and HYGEOS Polymer v4.12 (for atmospheric correction). OLCI Rrs were sourced at L1b (already geometrically corrected) and processed with polymer. The Rrs were binned to a sinusoidal 4km level-3 grid, and later to 4km geographic projection, by Brockmann Consult's SNAP. Derived products were generally computed with the standard algorithmsthrough SeaDAS. QAA IOPs were derived using the standard SeaDAS algorithm but with a modified backscattering table to match that used in the bandshifting. The final chlorophyll is a combination of OCI, OCI2, OC2 and OCx, depending on the water class memberships. Uncertainty estimates were added using the fuzzy water classifier and uncertainty estimation algorithm of Tim Moore as documented in Jackson et al (2017). and updated accorsing to Jackson et al. (in prep). |
| attribute | NC_GLOBAL | time_coverage_duration | String | P8D |
| attribute | NC_GLOBAL | time_coverage_end | String | 2021-12-27T00:00:00Z |
| attribute | NC_GLOBAL | time_coverage_resolution | String | P8D |
| attribute | NC_GLOBAL | time_coverage_start | String | 1997-09-04T00:00:00Z |
| attribute | NC_GLOBAL | title | String | ZZZ - DEPRECATED - Chlorophyll a concentration, ESA OC CCI - 8-Day, 1997-2021. v5.0 |
| attribute | NC_GLOBAL | tracking_id | String | 3849ce0e-b92d-4ecb-8465-9bf9a9f885a7 |
| attribute | NC_GLOBAL | Westernmost_Easting | double | 0.020833333333314386 |
| dimension | time | double | nValues=1120, evenlySpaced=false, averageSpacing=7 days 22h 27m 21s | |
| attribute | time | _CoordinateAxisType | String | Time |
| attribute | time | actual_range | double | 8.733312E8, 1.6405632E9 |
| attribute | time | axis | String | T |
| attribute | time | ioos_category | String | Time |
| attribute | time | long_name | String | Time |
| attribute | time | standard_name | String | time |
| attribute | time | time_origin | String | 01-JAN-1970 00:00:00 |
| attribute | time | units | String | seconds since 1970-01-01T00:00:00Z |
| dimension | latitude | double | nValues=4320, evenlySpaced=true, averageSpacing=-0.041666666666666664 | |
| attribute | latitude | _CoordinateAxisType | String | Lat |
| attribute | latitude | actual_range | double | -89.97916666666666, 89.97916666666667 |
| attribute | latitude | axis | String | Y |
| attribute | latitude | ioos_category | String | Location |
| attribute | latitude | long_name | String | Latitude |
| attribute | latitude | standard_name | String | latitude |
| attribute | latitude | units | String | degrees_north |
| attribute | latitude | valid_max | double | 89.97916666666667 |
| attribute | latitude | valid_min | double | -89.97916666666666 |
| dimension | longitude | double | nValues=8640, evenlySpaced=true, averageSpacing=0.041666666666666664 | |
| attribute | longitude | _CoordinateAxisType | String | Lon |
| attribute | longitude | actual_range | double | 0.020833333333314386, 359.97916666666663 |
| attribute | longitude | axis | String | X |
| attribute | longitude | ioos_category | String | Location |
| attribute | longitude | long_name | String | Longitude |
| attribute | longitude | standard_name | String | longitude |
| attribute | longitude | units | String | degrees_east |
| attribute | longitude | valid_max | double | 359.97918701171875 |
| attribute | longitude | valid_min | double | 0.020829999819397926 |
| variable | chlor_a | float | time, latitude, longitude | |
| attribute | chlor_a | _FillValue | float | NaN |
| attribute | chlor_a | ancillary_variables | String | chlor_a_log10_rmsd chlor_a_log10_bias |
| attribute | chlor_a | colorBarMaximum | double | 30.0 |
| attribute | chlor_a | colorBarMinimum | double | 0.03 |
| attribute | chlor_a | colorBarScale | String | Log |
| attribute | chlor_a | grid_mapping | String | crs |
| attribute | chlor_a | ioos_category | String | Ocean Color |
| attribute | chlor_a | long_name | String | Chlorophyll-a concentration in seawater (not log-transformed), generated by as a blended combination of OCI, OCI2, OC2 and OCx algorithms, depending on water class memberships |
| attribute | chlor_a | parameter_vocab_uri | String | http://vocab.ndg.nerc.ac.uk/term/P011/current/CHLTVOLU |
| attribute | chlor_a | standard_name | String | mass_concentration_of_chlorophyll_a_in_sea_water |
| attribute | chlor_a | units | String | mg m-3 |
| attribute | chlor_a | units_nonstandard | String | mg m^-3 |
| variable | MERIS_nobs_sum | float | time, latitude, longitude | |
| attribute | MERIS_nobs_sum | _FillValue | float | NaN |
| attribute | MERIS_nobs_sum | colorBarMaximum | double | 100.0 |
| attribute | MERIS_nobs_sum | colorBarMinimum | double | 0.0 |
| attribute | MERIS_nobs_sum | ioos_category | String | Statistics |
| attribute | MERIS_nobs_sum | long_name | String | Count of the number of observations from the MERIS sensor contributing to this bin cell |
| attribute | MERIS_nobs_sum | number_of_files_composited | int | 5 |
| variable | MODISA_nobs_sum | float | time, latitude, longitude | |
| attribute | MODISA_nobs_sum | _FillValue | float | NaN |
| attribute | MODISA_nobs_sum | colorBarMaximum | double | 100.0 |
| attribute | MODISA_nobs_sum | colorBarMinimum | double | 0.0 |
| attribute | MODISA_nobs_sum | ioos_category | String | Statistics |
| attribute | MODISA_nobs_sum | long_name | String | Count of the number of observations from the MODIS (Aqua) sensor contributing to this bin cell |
| attribute | MODISA_nobs_sum | number_of_files_composited | int | 5 |
| variable | OLCI_nobs_sum | float | time, latitude, longitude | |
| attribute | OLCI_nobs_sum | _FillValue | float | NaN |
| attribute | OLCI_nobs_sum | colorBarMaximum | double | 100.0 |
| attribute | OLCI_nobs_sum | colorBarMinimum | double | 0.0 |
| attribute | OLCI_nobs_sum | ioos_category | String | Statistics |
| attribute | OLCI_nobs_sum | long_name | String | Count of the number of observations from the OLCI sensor contributing to this bin cell |
| attribute | OLCI_nobs_sum | number_of_files_composited | int | 5 |
| variable | SeaWiFS_nobs_sum | float | time, latitude, longitude | |
| attribute | SeaWiFS_nobs_sum | _FillValue | float | NaN |
| attribute | SeaWiFS_nobs_sum | colorBarMaximum | double | 100.0 |
| attribute | SeaWiFS_nobs_sum | colorBarMinimum | double | 0.0 |
| attribute | SeaWiFS_nobs_sum | ioos_category | String | Statistics |
| attribute | SeaWiFS_nobs_sum | long_name | String | Count of the number of observations from the SeaWiFS (GAC and LAC) sensor contributing to this bin cell |
| attribute | SeaWiFS_nobs_sum | number_of_files_composited | int | 5 |
| variable | VIIRS_nobs_sum | float | time, latitude, longitude | |
| attribute | VIIRS_nobs_sum | _FillValue | float | NaN |
| attribute | VIIRS_nobs_sum | colorBarMaximum | double | 100.0 |
| attribute | VIIRS_nobs_sum | colorBarMinimum | double | 0.0 |
| attribute | VIIRS_nobs_sum | ioos_category | String | Statistics |
| attribute | VIIRS_nobs_sum | long_name | String | Count of the number of observations from the VIIRS sensor contributing to this bin cell |
| attribute | VIIRS_nobs_sum | number_of_files_composited | int | 5 |
| variable | chlor_a_log10_bias | float | time, latitude, longitude | |
| attribute | chlor_a_log10_bias | _FillValue | float | NaN |
| attribute | chlor_a_log10_bias | colorBarMaximum | double | 0.1 |
| attribute | chlor_a_log10_bias | colorBarMinimum | double | -0.1 |
| attribute | chlor_a_log10_bias | comment | String | Uncertainty lookups derived from file: /data/datasets/CCI/v5.0-production/stage09b-uncertainty_tables/chlor_a/cci_chla_bias.dat |
| attribute | chlor_a_log10_bias | grid_mapping | String | crs |
| attribute | chlor_a_log10_bias | ioos_category | String | Statistics |
| attribute | chlor_a_log10_bias | long_name | String | Bias of log10-transformed chlorophyll-a concentration in seawater. |
| attribute | chlor_a_log10_bias | ref | String | https://esa-oceancolour-cci.org/?q=webfm_send/581 |
| attribute | chlor_a_log10_bias | rel | String | uncertainty |
| variable | chlor_a_log10_rmsd | float | time, latitude, longitude | |
| attribute | chlor_a_log10_rmsd | _FillValue | float | NaN |
| attribute | chlor_a_log10_rmsd | colorBarMaximum | double | 0.002 |
| attribute | chlor_a_log10_rmsd | colorBarMinimum | double | 0.0 |
| attribute | chlor_a_log10_rmsd | comment | String | Uncertainty lookups derived from file: /data/datasets/CCI/v5.0-production/stage09b-uncertainty_tables/chlor_a/cci_chla_rmsd.dat |
| attribute | chlor_a_log10_rmsd | grid_mapping | String | crs |
| attribute | chlor_a_log10_rmsd | ioos_category | String | Statistics |
| attribute | chlor_a_log10_rmsd | long_name | String | Root-mean-square-difference of log10-transformed chlorophyll-a concentration in seawater. |
| attribute | chlor_a_log10_rmsd | ref | String | https://esa-oceancolour-cci.org/?q=webfm_send/581 |
| attribute | chlor_a_log10_rmsd | rel | String | uncertainty |
| variable | total_nobs_sum | float | time, latitude, longitude | |
| attribute | total_nobs_sum | _FillValue | float | NaN |
| attribute | total_nobs_sum | colorBarMaximum | double | 100.0 |
| attribute | total_nobs_sum | colorBarMinimum | double | 0.0 |
| attribute | total_nobs_sum | ioos_category | String | Statistics |
| attribute | total_nobs_sum | long_name | String | Count of the total number of observations contributing to this bin cell |
| attribute | total_nobs_sum | number_of_files_composited | int | 5 |
The information in the table above is also available in other file formats (.csv, .htmlTable, .itx, .json, .jsonlCSV1, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml) via a RESTful web service.