Funding for this research was provided by:
National Natural Science Foundation of China (41330531)
China Special Fund for Meteorological Research in the Public Interest (GYHY201506001-3, GYHY201506019)
Article History
Received: 18 September 2017
Revised: 16 March 2018
Accepted: 25 July 2018
First Online: 31 July 2018
Compliance with ethical standards
:
: All authors declare that they have no conflict of interest.