Bao Hongjun, Wang Lili, Liang Li. 2015: Optimization and Improvement of Water Logging & Water Logged Risk Meteorological Forecast and Warning Operational Technology of China. Advances in Meteorological Science and Technology, 5(2): 42-47. DOI: 10.3969/j.issn.2095-1973.2015.02.007
Citation: Bao Hongjun, Wang Lili, Liang Li. 2015: Optimization and Improvement of Water Logging & Water Logged Risk Meteorological Forecast and Warning Operational Technology of China. Advances in Meteorological Science and Technology, 5(2): 42-47. DOI: 10.3969/j.issn.2095-1973.2015.02.007
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Optimization and Improvement of Water Logging & Water Logged Risk Meteorological Forecast and Warning Operational Technology of China

  • 1. National Meteorological Centre, China Meteorological Administration, Beijing 100081;

  • 2. CMA Public Meteorological Service Centre, Beijing 100081

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  • National meteorological operation of water logging & water logged meteorological forecast and warning is based on VIC (V ariable Infiltration Capacity) hydrological model and its release criteria. In this study, digital watershed is corrected with high resolution DEM data of USGS, Mukingum-Cunge routing model automatic parameters optimization is based on watershed physical characteristic linear reservoir method, and virtual linear reservoir method is used to correct the false alarm cases in high altitude of China West. In order to increase alarm lead time, the high resolution 72 hours forecasts of ECMWF are applied for water logging & water logged meteorological forecast and warning operational service. Taking the water logging & water logged event of the Pearl River in Mar.28 to 31, 2014 as the test case, the result shows the improved model performs better than the original model.
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