6 - References

ASTER - Spectral Library 1998: ASTER Spectral Library - Version 1.2 California Institute of Technology

Brown, M.E. and K.M. de Beurs 2008: Evaluation of multi-sensor semi-arid crop season parameters based on NDVI and rainfall. Remote Sensing of Environment, 112 (2008), 22612271.3

Curran, P. J. 1989: Remote sensing of foliar chemestry. Remote Sensing of Environment, 30, 271-278.

Foreign Agricultural Service (FAS) 2009: Kenya's Grain Basket Experience Drought and Lowers "Long Rains" Corn Output Commodity Inteligence Report (December 2009) - United States Department of Agriculture

Filella, I. and J. Panuelas 1994: The red edge position and shape as indicators of plant chlorophyll content, biomass and hydric status. International Journal of Remote Sensing, 15, 1459 -1470

Gouveia C., R. M. Trigo and C.C. DaCamara 2009: 2009 Drought and vegetation stress monitoring in Portugal using satellite data. Natural Hazards and Earth System Sciences, 9, 185-195

Horler, D. N. H., M. Dockray, J. Barrer 1986: The red edge of a plant leaf reflectance. International Journal of Remote Sensing.4, 273-288

Huete, A.,K. Didan, E. P. Rodriguez X. Gao and L. G. Ferreira 2002: Overview of the radiometric and biophysical performance of the MODIS vegetation indices. Remote Sensing of Environment 83, 195-213

Jacquemoud, S. and F. Baret 1990: PROSPECT: A Model of Leaf Optical Properties Spectra. Remote Sensing of Environment 34:75-91

Kyllo, K. P. 2003: NASA funded research on agricultural remote sensing, Department of Space Studies, University of North Dakota.

LSASAF 2008: Product User Manual (PUM) Vegetation Parameters( FVC, LAI, FAPAR )SAF/LAND/UV/PUM_VEGA/2.1 (February 2008)

LSASAF 2008: Validation Report (VR) Vegetation Parameters( FVC, LAI, FAPAR )SAF/LAND/UV/VR_VEGA/2.1 (January 2008)

MARS Bulletin 2009: Crop Monitoring in Kenya June 2009. Joint Research Center of the European Commission (June 2009)

Pettorelli, N., J. O. Vik, A. Mysterud, J. Gaillard,C. J. Tucker and N. C. Stenseth 2005: Using the satellite-derived NDVI to assess ecological responses to environmental change Trends in Ecology & Evolution vol.20, 9, 503-510

Peixoto, J. P. and A. H. Oort 1992: Physics of Climate American Institute of Physics

Roujean, J-L., M. Leroy and P.-Y. Deschamps, 1992: A bidirectional reflectance model of the Earth's surface for the correction of remote sensing data J. Geophys. Res. , 97(D18), 20455-20468.

Trewartha, Glenn T. and Lyle H. HornAn Introduction to Climate McGraw-Hill Internacional