Numerical Simulation and Forecast System of Dust Storms and Its Performance Test
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Abstract:
A dust storm forecasting experiment was conducted with a dust storm integrated forecasting system in the spring of 2002. The system includes a regional atmospheric model, a land-surface model, a wind erosion model, and a dust transport and deposition model. Geographic information data, such as soil type, vegetation height, fractional vegetation cover and leaf-area index, were used in the integrated forecasting system. By means of the numerical products of the integrated forecasting system, two case studies were conducted through analyzing sand flux, dust flux, vertically integrated mass, and so on. The results were compared with surface observation data and satellite images. The test results show that the system is feasible as a dust storm operational model.
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Clc Number:
P425.55 P445.4
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.