Multi-time scales analysis may provide a scientific basis for short-term and long-term projections of runoff and sediment discharge.The multi-time scale features of precipitation,runoff and sediment discharge were studied using wavelet analysis test in Songhuajiang River.The data of areal average precipitation,runoff and sediment discharge from 1955 to 2005 were employed for Harbin Hydrological Gauging Station.The results showed that precipitation,runoff and sediment discharge had significant approximate pe...
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