［3］Dymond J R, Stephens P R, Newsome P F et al. Percent vegetation cover of a degrading rangeland from SPOT [J].International Journal of Remote Sensing, 1992, 13 (11): 1999 ～2007.
[2]
［5］Gutman G. Ignatov A. The derivation of the green vegetation fraction from NOAA/AVHRR data for use in numerical weather prediction models [J]. International Journal of Remote Sensing,1998, 19(8):1533～1543.
[3]
［7］Boardman J W, Kruse F A, Green R O. Mapping target signatures via partial unmixing of AVIRIS data [A]. In:Boardman J W edi. Proceedings of Fifth JPL (Jet Propulsion Laboratory) Airborne Earth Science Workshop[C]. Pasadena,California,USA: JPL Publication. 1995, 1:23～26.
［4］Wittich K P, Hansing O. Area-averaged vegetative cover fraction estimated from satellite data[J]. International Journal of Biometerology, 1995,38(3): 209～ 215.
[7]
［6］Boardman J W, Kruse F A. Automated spectral analysis: a geological example using AVIRIS data, north Grapevine Mountains, Nevada[A]. In: Boardman J W edi: Proceedings of ERIM (Environmental Research Institute of Michigan) Tenth Thematic Conference on Geologic Remote Sensing [C]. Ann Arbor MI, USA:Environmental Research Institute of Michigan,1994:407～418.
