Characterization of the sahel: Implications of correctly calculating interannual coefficients of variation (CoVs) from GAC NDVI values

International Journal of Remote Sensing

Volumn 18, Issue 18, 1997, Pages 3749-3759

  Milich, L ^a   Weiss, E ^a  

^a UNIVERSITY OF ARIZONA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

COMPUTATIONAL METHODS; ENVIRONMENTAL ENGINEERING; ERROR ANALYSIS;

COEFFICIENTS OF VARIATION (COV); DIGITAL NUMBERS (DN); NORMALIZED DIFFERENCE VEGETATION INDEX (NDVI);

REMOTE SENSING;

COEFFICIENT OF VARIATION; DIGITAL NUMBER; IMAGE ANALYSIS; NDVI; REMOTE SENSING;

AFRICA, SAHEL;

EID: 0031428905     PISSN: 01431161     EISSN: 13665901     Source Type: Journal    
DOI: 10.1080/014311697216603     Document Type: Article

References (13)

1. Adams, W. M., 1992, Wasting the Rain: Rivers, People, and Planning in Africa (London: Earthscan Publications Ltd).
2. FEWS, 1996 a, FEWS Bulletin: USAID-Financed Famine Early Warning System. 25 March, 1996. Arlington, VA: The FEWS Project, AFR/96-03. (http://www.info.usaid.gov/fews/fews.html).
3. FEWS, 1996 b. FEWS Bulletin: USAID-Financed Famine Early Warning System, 26 January, 1996. Arlington, VA: The FEWS Project, AFR/96-01. (http://www.info.usaid.gov/fews/fews.html).
4. Hunwick, J. O., 1965, Islam in West Africa. In: A Thousand Years of West African History edited by J.F.A. Ajayi and I. Espie (Ibadan (Nigeria): Ibadan University Press), pp. 113-131.
5. Hutchinson, C. F., 1991, Use of satellite data for famine early warning in sub-Saharan Africa. International Journal of Remote Sensing, 12, 1405-1421.
6. Kasfir, N., 1993, Agricultural transformation in the robusta coffee/banana zone of Bushenyi, Uganda. In: Population Growth and Agricultural Change in Africa edited by B. L. Turner, G. Hyden and R. W. Kates (Gainesville: University Press of Florida), pp. 41-79.
7. Tucker, C. J., Vanpraet, C. L., Sharman, M. J., and van Ittersum, G., 1985, Satellite remote sensing of total herbaceous biomass production in the Senegalese Sahel: 1980-1994. Remote Sensing of Environment, 17, 233-249.
8. Tucker, C. J., Dregne, H. E., and Newcomb, W. W., 1991a, Expansion and contraction of the Sahara Desert from 1980 to 1990. Science, 253, 299-301.
9. Tucker, C. J., NEwcoMb, W. W., Los, S. O., and Prince, S. D., 1991b, Mean and inter-year variation of growing season normalized difference vegetation index for the Sahel 1981-1989. International Journal of Remote Sensing, 12, 1133-1135.
10. Tucker, C. J., Newcomb, W. W., and Dregne, H. E., 1994, AVHRR data sets for determination of desert spatial extent. International Journal of Remote Sensing, 15, 3547-3565.
11. UNDP, 1995, Human Development Report 1995 (New York: Oxford University Press).
12. Weiss, E., and Milich, L., 1997, Errors in a standard method for generating interannual NDVI Coefficients of Variation (CoV) images. International Journal of Remote Sensing, 18, 3743-3748 (this issue).
13. World Resources Institute, 1994, World Resources 1994- 95. (New York: Oxford University Press).