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J.C. Ritchie and ER. Schiebe
fresh water lakes and streams, estuaries, and oceans and to differentiate between
different water quality parameters. Research needs to focus on understanding the
relationship between water quality parameters and their effects on optical and thennal
properties of surface waters so that physically based models can be developed
(Jerome et al. 1996). Hyperspectral data from the new satellite platforms will allow
us to discriminate between water quality parameters and to develop a better understanding of light/water/substance interactions. Such information should allow us to
move away from empirical approaches now being used and develop algorithms that
will allow us to use the full resolution electromagnetic spectrum to monitor water
quality parameters. Research using derivative spectra and similar techniques to
analyze spectral data from estimating water quality properties from high spectral
resolution sensors has potential for helping us understand these interactions (Han and
Rundquist 1996; Malthus and Dekker 1995).
Future uses of remote sensing to monitor water quality will improve with the launch
of new satellite sensors. These sensors with higher spatial and spectral resolution
should improve our ability to measure understand changes in water quality, thus
allowing us to develop management plans to improve the quality of surface waters.
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