Study on urban vegetation and its coverage in Kashgar city
Aiming at the insufficiency of the study on urban vegetation and its coverage,the paper took the Landsat TM/ETM+ remote sensing data of Kashgar city in 1990,2000 and 2010 as data source,combining with NDVI and vegetation coverage estimation methods,studied the urban vegetation dynamic changes of Kashgar of past 20 years.Result showed that from 1990 to 2010,the percentage of the high coverage area gradually increased from 1990 to 2000,and there was a slight decrease in 2010;the moderate and high coverage area showed the trends of decrease firstly and then increase;the moderate coverage area increased gradually year by year;the low coverage area showed the trend of decrease firstly and then increase;and the percentage of very low coverage area changed the slowest,while increased slightly in 2010,compared to the percentage of 1990.
NETL
NSTL
万方数据
维普
