Craig, Susanne E; Lee, Zhongping; Du, Keping (2020): Top of Atmosphere, Hyperspectral Synthetic Dataset for PACE (Phytoplankton, Aerosol, and ocean Ecosystem) Ocean Color Algorithm Development [dataset]. National Aeronautics and Space Administration, PANGAEA, https://doi.org/10.1594/PANGAEA.915747
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Abstract:
This synthetic dataset was created to provide a measurement error-free hyperspectral (350-800 nm, 5 nm resolution) dataset as part of research performed by the first NASA PACE (Plankton, Aerosols, Cloud, and Ocean Ecosystem) Science Team (NNH13ZDA001N-PACEST). A synthetic dataset of sea surface and top of atmosphere (TOA) radiances were constructed by a Coupled Ocean Atmosphere Radiative Transfer (COART) model (Du and Lee, 2014) based on the SBDART (Santa Barbara DISORT Atmospheric Radiative Transfer) code (Ricchiazzi et al. 1998), with ocean contribution simulated by Hydrolight (Mobley, 2008). Water-leaving radiance (Lw) was forward modelled with Hydrolight with a solar zenith angle of 30°, cloudless sky, a sea surface state corresponding to a wind speed of 5 m/s, and realistic concentrations of optically active water constituents. The Hydrolight component of the model was constrained using inherent optical properties (IOPs) whose dynamic ranges and spectral qualities were based on real, in situ data acquired from the NASA SeaBASS dataset (https://seabass.gsfc.nasa.gov/) and that represent realistic in situ conditions. Certain characteristics of the IOPs were semi-randomly modelled based on principles outlined in IOCCG Report No.5 (2006) and summarised in the accompanying pdf document provided along with this dataset. Atmospheric conditions were simulated by coupling the water-leaving radiances to an atmosphere with and without absorbing gases, and with an aerosol optical depth (AOD) that varied between 0.1-0.8.
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Related to:
Du, Keping; Lee, Zhongping (2014): Remote-sensing reflectance from above-surface measurements: a revisit based on a coupled ocean-atmosphere model. In: Ocean Optics XXII. Portland, Maine, USA
International Ocean-Colour Coordinating Group (2006): Remote Sensing of Inherent Optical Properties: Fundamentals, Tests of Algorithms, and Applications. Lee, Z.-P. (ed.), Reports of the International Ocean-Colour Coordinating Group (IOCCG), Dartmouth, Canada, 5, 126 pp, https://ioccg.org/wp-content/uploads/2015/10/ioccg-report-05.pdf
Mobley, Curtis D; Sundman, Lydia K (2008): Hydrolight 5 Ecolight 5 Technical Documentation. In: Bellevue: Sequoia Scientific, Inc., Bellevue, WA, 95 pp, https://misclab.umeoce.maine.edu/boss/classes/RT_Weizmann/HE5TechDoc.pdf
Ricchiazzi, Paul; Yang, Shiren; Gautier, Catherine; Sowle, David (1998): SBDART: A Research and Teaching Software Tool for Plane-Parallel Radiative Transfer in the Earth's Atmosphere. Bulletin of the American Meteorological Society, 79, 2101-2114, https://doi.org/10.1175/1520-0477(1998)079%3C2101:SARATS%3E2.0.CO;2
Parameter(s):
# | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
---|---|---|---|---|---|---|
1 | File content | Content | Craig, Susanne E | |||
2 | File name | File name | Craig, Susanne E | |||
3 | File format | File format | Craig, Susanne E | |||
4 | File size | File size | kByte | Craig, Susanne E | ||
5 | Uniform resource locator/link to file | URL file | Craig, Susanne E |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
80 data points