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www.hydrol-earth-syst-sci-discuss.net/6/2075/2009/
doi:10.5194/hessd-6-2075-2009
© Author(s) 2009. This work is distributed
under the Creative Commons Attribution 3.0 License.
Deriving inherent optical properties and associated uncertainties for the Dutch inland waters during the Eagle Campaign
1International Institute for Geo-Information Science and Earth Observation, Enschede, The Netherlands
2The National Aerospace Laboratory NLR, Emmeloord, The Netherlands
Abstract. During the Eagle 2006 campaign intensive in-situ and air/space borne measurements were carried out over the Wolderwijd and Veluwemeer natural waters in the Netherlands. In this paper, we modify the GSM semi-analytical inversion model for these lakes to derive inherent optical properties (IOPs) and their spectral dependencies from air and space borne data. Uncertainties of the derived IOPs are estimated using a nonlinear regression technique. The modified model succeeded in deriving accurate estimates of IOPs with R2 higher than 0.9 and RMSE values equal to 0.12 and 0.05 for absorption and scattering coefficients, respectively. Finally, we show that the uncertainty of derived absorption coefficients is slightly independent of absorption's magnitude. While the uncertainty of all derived IOPs increases with water turbidity.
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Citation: Salama, M. S., Su, Z., Mannaerts, C. M., and Verhoef, W.: Deriving inherent optical properties and associated uncertainties for the Dutch inland waters during the Eagle Campaign, Hydrol. Earth Syst. Sci. Discuss., 6, 2075-2098, doi:10.5194/hessd-6-2075-2009, 2009. Bibtex EndNote Reference Manager XML
