According to the results which use PCA and hierachical clustering to analyse salt content of drifting sand, 12 sandlands (sandy deserts) of our country are devided into 4 types of salt leaching sandland, i.e. strong leaching, leaching, weak leaching and non-leaching. Analysis shows that the ratio of evaporation to precipitation is a key factor that affect the salt status of sandland, rather than air temperatrue. Existence of vegetation can weaken salt leaching to different extent in each natural zone.
Zhao Wenzhi, Li Kerang, He Xindong
. THE STUDY ON SALT FEATURE OF SANDLAND IN DIFFERENT ZONES OF CHINA[J]. SCIENTIA GEOGRAPHICA SINICA, 1995
, 15(4)
: 315
-320,393
.
DOI: 10.13249/j.cnki.sgs.1995.04.315
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