国家科技支撑计划项目2014BAD14B02;水利部公益性行业科研专项项目201501055;湖南省重点研发计划项目2015NK3055 The National Key Technology Research and Development Program of the Ministry of Science and Technology of China2014BAD14B02;The Special Scientific Research Fund of Meteorological Public Welfare Profession of China201501055;The Key R&D Program of Hunan Province2015NK3055