Spatiotemporal Variations of Land Use Change in Recent Four Decades in a Typical Oasis City - Urumqi

摘要

Urumqi is a typical oasis city in western China. A clear understanding of Urumqi's LUCC (Land-Use and Land-Cover Change) pattern has important guiding significance to environmental improvement and socio-economic sustainable development. This paper analyzed the spatiotemporal variations of LUCC in Urumqi from 1980 to 2015 base on LUCC dataset. The results showed that the LUCC of Urumqi changed drastically from 1980 to 2015, in which the grasslands area continued to decrease and mainly converted to urban built-up lands and croplands. The area of urban and built-up lands in Urumqi had been increased nearly three times, the downtown mainly expanded towards the northward direction. The water bodies' area of Chaihuobpu Lake in the southern mountainous decreased significantly from 2010 to 2015.