School;
of;
Information;
Technology,;
Jiangxi;
University;
of;
Finance;
and;
Economics,;
Nanchang;
330013,;
China;
Department;
of;
Urban;
and;
Resources;
Sciences,;
Nanjing;
University,;
Nanjing;
210093,;
China;
Department;
of;
Earth;
&;
Geographic;
Sciences,;
University;
of;
Massachusetts;
at;
Boston,;
Boston,;
MA;
0125,;
USA;