为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

The object of the paper is to provide an insight into the changes in livelihood strategies of the people in the Garhwal ......

Streamflow represents the integrated response of a watershed to climatic variables, particularly precipitation and air t......