Dynamic Analysis of Landuses Based on RS Technology in Yangling Demonstration Zone
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    Abstract:

    Dynamic change of landuses in Yangling Demonstration Zone from 1986 to 2003 were analyzed by using the spatial methods of RS and GIS and comparing the changes of TM remote sensing images in the years of 1986,1995 and 2003.Results show that from 1986 to 2003,the area of cultivated land gradually decreased by more than 20 km2.The percentages of cultivated land over the total area in 1986,1995 and 2003 were 74%,59.7% and 50.8%,respectively.However,the increase in the area for horticulture was the greatest,being nearly 12 km2,and the annual changing rate was almost 10%.The areas of forest land and transportation increased by 7.2% and 7.0%,respectively.Besides,inhabitant area increased considerably in the past.From 1986 to 1995,there was nearly no change in inhabitant area,but from 1995 to 2003,however,there was a significant increase in it.In addition,the proportion of transportation area to the total land in 2003 was 1.6% higher than that in 1995,indicating a faster increase in the second period.It has fully proved that the pace of urbanization in Yangling is accelerated constantly.

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刘梦云,李宝宏,王锐.基于RS和GIS的小型城市土地利用动态分析--以杨凌示范区为例[J].水土保持通报英文版,2007,(1):34-38

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History
  • Received:December 08,2005
  • Revised:May 29,2006
  • Adopted:
  • Online: November 26,2014
  • Published: