@article{CAI Yun-long_1363, author = {CAI Yun-long,LI Shuang-cheng,FANG Xiu-qi}, title = {The Research Forefront of Physical Geography}, publisher = {Acta Geographica Sinica}, year = {2009}, journal = {Acta Geographica Sinica}, volume = {64}, number = {11}, eid = {1363}, pages = {1363-1374}, keywords = {

physical geography;global environmental change;earth system science;natural resources;natural hazard

}, doi = https://www.geog.com.cn/EN/10.11821/xb200911008 }