6Leprieur C,Kerr Y H,Mastorchio S,et al. Monitoring Vegetation Cover Across Semi-arid Regions, Comparison of Remote Observations from Various Scales [J]. International Journal of Remote Sensing,2000,21(2):281 -300.
7Chen Y H, Li X B, Li X ,et al. Fractional Vegetation Overestimation Based on Satellite-sensed Land Classification[C]. Proceedings of SHE, 4897 : 403-410.
8Li S,Zhuang D F, Gao Z Q, et al. Monitoring Spatiotemporal Changes of Urban Vegetation Abundance Using Normalized Spectral Mixture Analysis (NSMA): The Case of Nanjing, China[C]. Proceedings of SPIE,5884 : 1-10.
9Leprieur C, Verstraete M M, Pinty B. Evaluation of the Performance of Various Vegetation Indices to Retrieve Vegetation Cover from AVHRR Data[J]. Remote Sensing Review, 1994,10 : 265-284.
10Zribi M, Le Hegarat-Mascle. Derivation of Wild Vegetation Cover Density in Semi-arid Region: ERS2/SAR Evaluation [J]. International Journal of Remote Sensing, 2003, (24) 1335-1352.
