School of Resources and Environment Anhui Agricultural University Hefei 230036 P.R.ChinaHefei Scientific Observing and Experimental Station of Agro-Environment Ministry of Agriculture and Rural Affairs P.R.China;
Anhui Public Meteorological Service Center Anhui Meteorological Bureau Hefei 230031 P.R.China;
Department of Disaster Management Begum Rokeya University Rangpur 5400 Bangladesh;
School of Resources and Environment Anhui Agricultural University Hefei 230036 P.R.China;
Key Laboratory of Meteorological Disaster Ministry of Education(KLME)ZJoint International Research Laboratory of Climate and Environment Change(ILCEC)/Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters(CICFEMD)/Jiangsu Key Laboratory of Agricultural Meteorology College of Applied Meteorology Nanjing University of Information Science&Technology Nanjing 210044 P.R.China;
daily evapotranspiration; crop coefficient; crop water demand; rice–wheat rotation system; Huai River Basin;