Above-water hyperspectral field spectroscopy measurements at Franks Tract in the Sacramento-San Joaquin Delta, California
Hand-held hyperspectral spectroscopy data were collected in 2022 in Franks Tract, a flooded area located in the central Sacramento-San Joaquin Delta of California. The data were collected from a boat and co-located within pixels from the Ocean Land Color Imaging (OLCI) sensor on the Sentinel-3A and 3-B satellites. Data from 16 sites within 7 OLCI pixels were collected on three days: July 14, August 3, and November 3, 2022. Radiance measurements from the water, sky, and a reflectance plaque were collected to enable calculation of water-leaving radiance (Mobley 1999, Ruddick et al. 2019). At the location of each spectroscopy site, discrete water samples were also collected and analyzed for chlorophyll a, dissolved organic carbon, and phytoplankton enumeration by microscopy. Also included are OLCI rho_s data (Wynne et al. 2020) from Franks Tract to compare the field radiance data with the satellite radiance data.
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Complete Metadata
| @type | dcat:Dataset |
|---|---|
| accessLevel | public |
| bureauCode |
[ "010:12" ] |
| contactPoint |
{ "fn": "Keith Bouma-Gregson", "@type": "vcard:Contact", "hasEmail": "mailto:kbouma-gregson@usgs.gov" } |
| description | Hand-held hyperspectral spectroscopy data were collected in 2022 in Franks Tract, a flooded area located in the central Sacramento-San Joaquin Delta of California. The data were collected from a boat and co-located within pixels from the Ocean Land Color Imaging (OLCI) sensor on the Sentinel-3A and 3-B satellites. Data from 16 sites within 7 OLCI pixels were collected on three days: July 14, August 3, and November 3, 2022. Radiance measurements from the water, sky, and a reflectance plaque were collected to enable calculation of water-leaving radiance (Mobley 1999, Ruddick et al. 2019). At the location of each spectroscopy site, discrete water samples were also collected and analyzed for chlorophyll a, dissolved organic carbon, and phytoplankton enumeration by microscopy. Also included are OLCI rho_s data (Wynne et al. 2020) from Franks Tract to compare the field radiance data with the satellite radiance data. |
| distribution |
[ { "@type": "dcat:Distribution", "title": "Digital Data", "format": "XML", "accessURL": "https://doi.org/10.5066/P13J77JK", "mediaType": "application/http", "description": "Landing page for access to the data" }, { "@type": "dcat:Distribution", "title": "Original Metadata", "format": "XML", "mediaType": "text/xml", "description": "The metadata original format", "downloadURL": "https://data.usgs.gov/datacatalog/metadata/USGS.65b18ae7d34e36a39044c493.xml" } ] |
| identifier | http://datainventory.doi.gov/id/dataset/USGS_65b18ae7d34e36a39044c493 |
| keyword |
[ "Central Valley", "Chlorophyll", "Cyanobacteria", "Franks Tract", "Harmful algal blooms", "Hyperspectral", "Phytoplankton", "Remote Sensing", "Sacramento-San Joaquin Delta", "San Joaquin", "USGS:65b18ae7d34e36a39044c493", "Water Quality", "biota" ] |
| modified | 2024-03-28T00:00:00Z |
| publisher |
{ "name": "U.S. Geological Survey", "@type": "org:Organization" } |
| spatial | -121.66809, 38.00374, -121.54930, 38.09134 |
| theme |
[ "geospatial" ] |
| title | Above-water hyperspectral field spectroscopy measurements at Franks Tract in the Sacramento-San Joaquin Delta, California |
