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The spatial effect of assimilation is explored by comparing model predictions with remotely sensed sediment, revealing that the model with assimilation generates reasonable spatial distribution patterns of suspended sediment.The temporal effect of assimilation on the model’s predictive capabilities varies spatially, with an average temporal effect of approximately 1.The current velocities which dominate the rate and direction of sediment transport most likely result in spatial differences in the temporal effect of assimilation on model transport model Assimilation Remote sensing sediment Optimal interpolation Spatial and temporal effect Poyang lake. The model with assimilation of remotely sensed sediment reduces the root- mean- square error of the predicted sediment concentrations by 3. The parameters for optimal interpolation are determined through a series of assimilation experiments evaluating the sediment predictions based on field measurements.
Optimal interpolation is used as the assimilation method, and model predictions are obtained by combining four remote sensing images. This study explores a scheme for assimilating remotely sensed suspended sediment (from charge- coupled device (CCD) images obtained from the Huanjing (HJ) satellite) into a two- dimensional sediment transport model of Poyang Lake, the largest freshwater lake in China.
Numerical models are important tools that are used in studies of sediment dynamics in inland and coastal waters, and these models can now benefit from the use of integrated remote sensing observations. Envi Free Download Remote Sensing Software FreeĪssimilation of remote sensing observations into a sediment transport model of China’s largest freshwater lake: spatial and temporal effects.
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