Overview of the Application of Geostationary Satellites in Water Conservancy
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Abstract:
Firstly, the paper lists?the?development progress of?water?related?geostationary satellites. The development course of geostationary satellites is introduced, and the parameters of mainstream geostationary satellites in different countries are compared from aspects of detector?accuracy, coverage,?imaging time,?data transmission,?and?attitude control?mode. It points out that geostationary satellites have the capabilities of continuous, synchronous, large-scale,?and multi-angle observation of the earth; therefore they can not only be used for?weather forecasting and?meteorology,?but also can meet?the application requirements in other?non-meteorological?fields including the water conservancy. Secondly, the paper introduces the?application status of geostationary satellites in water conservancy, analyzes the related parameters of geostationary satellites in water conservancy application, lists the application examples of geostationary satellites in in?hydrological monitoring, flood and droughts?monitoring, and?water transport, and analyzes the feasibility of geostationary satellites in water conservancy. It points out that ?the?satellite?sensor performance and the limitation of applied technology?in?water conservancy are the main reason for the poor application of geostationary satellites in water conservancy; therefore the research and development investment needs to be increased for the stable, high precision, and various sensors. Finally, this paper proposes the future development direction such as the improvement of data?processing?and?assimilation technology, which can help strengthen the application abilities of geostationary satellites in water conservancy.
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