Acknowledgement
This study was supported by National Key Research and Development
Program of China (Grant No.
2016YFC0401005,
2016YFA0601703) and
Nation
Nature Science Foundation of China (Grant No. 91847301, 92047203,
42075191, 52009080).
Acknowledgement
for the data support form “National Earth System Science Data Center,
National Science & Technology Infrastructure of Chia.
(http://www.geodata.cn)”