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地理科学进展 2010
Research of Changes in Cultivated Land in Xinjiang Based on RS and GIS
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Abstract:
With the data of cultivated land in Xinjiang during 1990-2008 extracted from the land use data base and remote sensing images by means of spatial analyst in GIS,this paper analyzed its present temporal-spatial patterns,area changes and type structures,and its development dynamics.The results showed that the total area of cultivated land kept increasing,the annual average net-increased and reclamation speed increased sharply during 1990 and 2005 and then decreased slightly during 2005 and 2008,while the annu...
