The evolution,spatial variation,and influencing
factors of land use types in the greater Xi’an
area have been insufficiently quantified.In order to provide a scientific basis
for the optimal use and development of land in the
greater Xi’an area,we analyzed and interpreted regional remote sensing images
from the Landsat Thematic Mapper and Operational Land Imager from 1996,2006,and
2016.We adopted a land use transfer matrix and land use change model to conduct
quantitative analysis of the spatial and temporal changes in land use and land
cover since 1996.We supported these tools with GIS and RS technologies.We found
that the area of developed land in the greater Xi’an
area,Shaanxi Province,China has increased over the past 20 years,while
cultivated and forested land has decreased.Grassland has increased
slightly,while the water area has shrunk slightly.We noted frequent
classification changes.The comprehensive degree of land use was high and
constantly strengthened over time,and the land use structure tended to be
balanced.We identified significant regional differences in land use change,and
the transfer speeds of the centers of gravity of construction land,arable
land,and forestry land shows the characteristics of the stages of speed before
slowness.The driving factors of land use change in the
greater Xi’an area were mainly policy factors.This paper proposes the land use
revolution rule of the Great Xi’an
area for the first time from the angle of time and space change.Our results
should provide a scientific basis for land use optimization as the
greater Xi’an area continues to develop and grow.
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