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Analyses of intraseasonal oscillation characteristics of flood-causing rainstorms in Xijiang River valley during the annually first raining season in the past years |
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| Authors: | LUO Qiu-hong JI Zhong-ping WU Nai-geng CAI Jie-yun and SUN Han-ming |
| Institution: | Guangdong Meteorological Observatory, Guangzhou 510080 China |
| Abstract: | Based on the daily precipitation data of nine stations representing the Xijiang River valley and the National Center for Environmental Prediction/National Center for Atmospheric Research (USA) reanalysis data, this study uses the wavelet analysis and band-pass filter methods to investigate the atmospheric intraseasonal oscillation characteristics of flood-causing rainstorms in the valley during the annually first raining seasons in 1968, 1994, 1998, 2002 and 2005. Results show that the daily precipitation i... |
| Keywords: | rainstorms intraseasonal oscillation filter Xijiang River valley annually first raining season |
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