Global Cloud Biases in Optical Satellite Remote Sensing of Rivers
Theodore Langhorst,
Konstantinos M. Andreadis,
George H. Allen
Abstract:Satellite imagery provides a global perspective for studying river hydrology and water quality, but clouds remain a fundamental limitation of optical sensors. Explicit studies of this problem were limited to specific locations or regions. In this study, we characterize the global severity of this limitation by analyzing 22 years of daily satellite cloud cover data and modeled river discharge for a global sample 21,642 river reaches of diverse sizes and climates. Our results show that the bias in observed river… Show more
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