Research on Vegetation Cover Change Detection of the North-South Mountains in Lanzhou City

摘要

Based on three periods (year 2000, 2008 and 2013) Landsat images and basic geographic data of the region, the vegetation cover change detection of the north-south mountains in Lanzhou city was quantitatively analyzed and dynamically monitored with calculating of the normalized difference vegetation index (NDVI) and fractional vegetation cover (FVC). The conclusion was acquired and so as to provide technical support for the ecological constructions in this region.