Funding for this research was provided by:
National Natural Science Foundation of China (41330425)
Specialized Research Fund for the Doctoral Program of Higher Education (21033228110001)
PAPD project of Jiangsu Province
the Startup Foundation for Introducing Talent of NUIST (2014r006, 2015r035)
Natural Science Foundation of Jiangsu Province of China (BK20160956)
the China Meteorological Administration Special Public Welfare Research Fund Province (GYHY201406024)