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Add SeaWiFS Chlorophyll layer (#5268)
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minniewong committed Jun 6, 2024
1 parent 9bc1f31 commit e83fa46
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The SeaWiFS Chlorophyll *a* layer provides the near-surface concentration of chlorophyll *a* in milligrams of chlorophyll pigment per cubic meter (mg/m<sup>3</sup>) in the ocean.

The SeaWiFS instrument was launched by Orbital Sciences Corporation on the OrbView-2 (a.k.a. SeaStar) satellite in August 1997, and collected data from September 1997 until the end of mission in December 2010. SeaWiFS had 8 spectral bands from 412 to 865 nm. It collected global data at 4 km resolution, and local data (limited onboard storage and direct broadcast) at 1 km. The mission and sensor were optimized for ocean color measurements, with a local noon (descending) equator crossing time orbit, fore-and-aft tilt capability, full dynamic range, and low polarization sensitivity.

The SeaWiFS Chlorophyll *a* (Global Area Coverage (GAC)) product is available from the OrbView-2 satellite for September 4, 1997 to December 11, 2010. The sensor and imagery resolution is 4 km, and the temporal resolution is daily.

References: SeaWiFS_L2_GAC_OC [doi:10.5067/ORBVIEW-2/SeaWiFS/L2/GAC/OC/2022](https://doi.org/10.5067/ORBVIEW-2/SeaWiFS/L2/GAC/OC/2022)
1 change: 1 addition & 0 deletions config/default/common/config/wv.json/layerOrder.json
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"VIIRS_NOAA20_Photosynthetically_Available_Radiation",
"VIIRS_SNPP_L2_Chlorophyll_A",
"VIIRS_SNPP_L2_Photosynthetically_Available_Radiation",
"SEAWIFS_ORBVIEW-2_GAC_Chlorophyll_a",
"GOES-East_ABI_GeoColor",
"GOES-West_ABI_GeoColor",
"GOES-East_ABI_Band2_Red_Visible_1km",
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{
"layers": {
"SEAWIFS_ORBVIEW-2_GAC_Chlorophyll_a": {
"id": "SEAWIFS_ORBVIEW-2_GAC_Chlorophyll_a",
"description": "seawifs/SEAWIFS_ORBVIEW-2_GAC_Chlorophyll_a",
"tags": "chl",
"group": "overlays",
"layergroup": "Chlorophyll a",
"wrapadjacentdays": true
}
}
}
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"Chlorophyll a": {
"id": "chlorophyll-a",
"title": "Chlorophyll a",
"subtitle": "Terra/MODIS, Aqua/MODIS, NOAA-21/VIIRS, NOAA-20/VIIRS, PACE/OCI, Suomi NPP/VIIRS, Sentinel-3A/OCLI, Sentinel-3B/OLCI",
"subtitle": "Terra/MODIS, Aqua/MODIS, NOAA-21/VIIRS, NOAA-20/VIIRS, PACE/OCI, Suomi NPP/VIIRS, Sentinel-3A/OCLI, Sentinel-3B/OLCI, OrbView-2/SeaWiFS",
"sources": {
"Terra/MODIS": {
"id": "terra-modis",
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"settings": [
"S3B_OLCI_Chlorophyll_a"
]
},
"OrbView-2/SeaWiFS": {
"id": "orbview-2-seawifs",
"title": "OrbView-2/SeaWiFS",
"description": "viirs/Chlorophyll_a",
"image": "",
"settings": [
"SEAWIFS_ORBVIEW-2_GAC_Chlorophyll_a"
]
}
}
}
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