The Study on City Location of An-ding Prefecture and Its Belonging County at Jing River upper and Middle Reaches in Han Dynasty;

This paper puts forward some solutions to the serious disasters of landslides visiting the southern-bank of the lower reaches of the Jinghe river,which is based on an introduction to the characteristics of landslides,the classification of tableland slopes through calculating the stability coefficient,and a through analysis on the paroxysmal and short-term variable causes for landslides.

Micromorphological Features of the Cultivated Soils in the Middle Reaches of the Jinghe River;

A study on micromorphological features of soil in the middle reaches of the Jinghe River was carried out in this paper by means of field investigation,chemical analysis and polarizing microscope.

Holocene Environmental Change of Pedogenensis in the Middle Reaches of the Jinghe River Basin;