Precipitation climatically features over the Huai River Basin,China |
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| Institution: | 1. School of Atmospheric Science, Nanjing University of Information Science & Technology, Nanjing, 210044, China;2. Key Laboratory of Transportation Meteorology, China Meteorological Administration, Nanjing, 210008, China;3. Jiangsu Institute of Meteorological Science, Nanjing, 210008, China;4. Jiangsu Meteorological Observatory, Nanjing, 210008, China;5. Changzhou Meteorological Observatory, Changzhou, Jiangsu, 213022, China;1. School of Geosciences, The University of Edinburgh, EH9 3FF, Edinburgh, United Kingdom;2. School of Energy, Geoscience, Infrastructure and Society, Heriot-Watt University, EH14 4AS, Edinburgh, United Kingdom;3. Ministry of Energy and Water Development, P.O. Box 53930, Lusaka, Zambia;1. Key Laboratory of Beam Technology and Materials Modification of the Ministry of Education, College of Nuclear Science and Technology, Beijing Normal University, Beijing 100875, China;2. Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, Nanjing University of Information Science & Technology, Nanjing 210044, China;3. Key Laboratory of Regional Climate-Environment for East Asia, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China;4. Centre for Atmosphere Watch and Services, Meteorological Observation Center of China Meteorological Administration, Beijing 100081, China;1. Pro, Research Institute of Water Resources Engineering of Anhui Province, Bengbu, China;2. PhD student, Environmental Engineering Program, University of Northern British Columbia, Prince George, BC, Canada;3. Pro, Environmental Engineering Program, University of Northern British Columbia, Prince George, BC, Canada;4. Engineer, Research Institute of Water Resources Engineering of Anhui Province, Bengbu, China |
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| Abstract: | The temporal and spatial characteristics of precipitation in the HRB (Huai River Basin) were studied using the observation data of monthly precipitation provided by the National Climate Center from 1961–2016 and the NCEP/NCAR global monthly reanalysis data. The results showed that: (1) The precipitation was mainly concentrated in summer, accounting for 52% of the total annual precipitation; there was more precipitation in the south, less in the north, and more in the coastal areas, less in the inland in summer; (2) The precipitation showed obvious decadal variations, especially in summer; the range of variation of most regions is above 140 mm; and significant decadal abrupt changes of precipitation from “abnormally less” to “abnormally more” appeared around 1979. |
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| Keywords: | Huai River Basin Precipitation features Annual anomalies Decadal anomalies |
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