Research Article
Quantification of Precipitation Variation with Wavelet Analysis of Departure from Average and Cumulative Departure from Average in Major Grain Producing Area, Henan Province, China
School of Water Conservancy and Environment Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou, Henan, 450001, China
Furong Yu
School of Resources and Environment, North China University of Water Resources and Electric Power, No. 36, Beihuan Road, Zhengzhou, Henan, 450045, China