The Extraction and Dynamic Monitoring of Leaf Area Index in Northeast of China Based on SPOT VEGETATION Data

Using SPOT VEGETATION data, the extraction method of experience model of LAI (leaf area index), we estimate and dynamic analysis the LAI of the northeast in 2000, 2004 and 2008. The results showed that: the LAI values of the Northeast region from 2000 to 2008 appears gradually increasing trend, the lowest average of 3.10 throughout the region in 2000, the highest in 2008, reaching 4.97. Judging from the different regions, changes in Liaoning …