1. School of Water Conservancy and Environment, University of Jinan, No.336, West Road of Nan Xinzhuang, Jinan 250022, China
2. Shandong Province Key Laboratory of Water Resources and Environment, Jinan 250014, China
3. Water Research Institute of Shandong Province, Jinan 250014, China
4. Hydrology Center of Shandong Province, Jinan 250000, China