Institute;
of;
Resources;
and;
Environment;
Science,;
Foshan;
University,;
Foshan;
528000,;
Guangdong,;
China;
College;
of;
Geography;
and;
Environment;
Science,;
Northwest;
Normal;
University,;
Lanzhou;
730070,;
China;
Cold;
and;
Arid;
Regions;
Environmental;
and;
Engineering;
Research;
Institute,;
CAS,;
Lanzhou;
730070,;
China;
Shunde;
Branch,;
Bureau;
of;
Land;
and;
Resources;
of;
Foshan;
City,;
Shunde;
528300,;
Guangdong,;
China;
College;
of;
Resources;
Science;
&;
Technology,;
Beijing;
Normal;
University,;
Beijing;
100875,;
China;