Alley, W.M. 1984. Palmer drought severity index: limitations and assumptions. J. Climate Appl. Meteor. 23:1100-1109.

Askew, A.J., W.W. Yeh, and W.A. Hall. 1971. A comparative study of critical drought simulation. Water Resources Res. 7:52-62.

Beard, L.R., and H.K. Kubik. 1972. Drought severity and water supply dependability. J. Irrig. Drain. Div. ASCE 98:433-442.

Boken, V.K., and C.F. Shaykewich. 2002. Improving an operational wheat yield model for the Canadian Prairies using phenological-stage-based normalized difference vegetation index. Intl. J. Remote Sens. 23:4157-4170.

Chang, T.J. 1990. Effects of droughts on streamflow characteristics. J. Irrig. Drain. Div. ASCE 116:332-341.

Diepen, C.A., and T. van der Wall. 1996. Crop growth monitoring and yield forecasting at regional and national scale. In: J.F. Dallemend and P. Vossen (eds.), Proc. Workshop for Central and Eastern Europe on Agrometeorological Models: Theory and Applications, The MARS Project Ispra, Italy, November 21-25, 1994. European Commission, Luxembourg, pp. 143-157.

Dracup, J.A., K.S. Lee, and E.G. Paulson, Jr. 1980. On definitions of droughts. Water Resources Res. 16:297-302.

Gibbs, W.J. 1975. Drought—its definition, delineation and effects. In: WMO Spec. Environ. Rept. 5:11-39.

Herbst, P.H., D.B. Brendenkemp, and H.M. Barke. 1966. A technique for evaluation of drought from the rainfall. J. Hydrol. 4:264-272.

Hoogenboom, G., P.W. Wilkens, and G.Y. Tsuji, eds. 1999. DSSAT, version 3, vol. 4. University of Hawaii, Honolulu.

Joseph, E.S. 1970a. Probability distribution of annual droughts. J. Irrig. Drain. Div. ASCE 96:461-473.

Joseph, E.S. 1970b. Frequency of design droughts. Water Resources Res. 6:11991201.

Karl, T.R. 1983. Some spatial characteristics of drought duration in the United States. J. Climate Appl. Meteorol. 22:1356-1366.

Krishnan, A. 1979. Definitions of drought and factors relevant to specifications of agricultural and hydrological droughts. In: Proc. International Symposium on hydrological aspects of droughts, vol. I. Indian Institute of Technology, New Delhi, pp. 67-102.

(Boken) Kumar, V. 1998. An early warning system for agricultural drought in an arid region using limited data. J. Arid Environ. 40:199-209.

(Boken) Kumar, V., and U. Panu. 1997. Predictive assessment of severity of agricultural droughts based on agro-climatic factors. J. Am. Water Resources Assoc. 33:1255-1264.

(Boken) Kumar, V. 1999. Predicting agricultural droughts for the Canadian prairies using climatic and satellite data. Ph.D. thesis, Department of Geography, University of Manitoba, Winnipeg, Canada.

Liverman, D.M. 1990. Drought impacts in Mexico: climate, agriculture, technology, and land tenure in Sonora, and Puebla. Ann. Am. Assoc. Geogr. 80:49-72.

Mahalakshmi, V., F.R. Bidinger, and G.D.P. Rao. 1988. Training and intensity of water deficit during flowering and grain filling in pearl millet. Agron. J. 80:130-135.

McKay, G.A. 1983. Climatic hazards and Canadian wheat trade. In: K. Hewitt (ed.), Interpretations of Calamity from the View Point of Human Ecology. Allen and Unwin, Boston, pp. 220-228.

Palmer, W.C. 1965. Meteorological drought. Paper no. 45. Weather Bureau, U.S. Dept. of Commerce, Washington, DC, pp. 1-58.

Robertson, G.W. 1968. A biometeorological time scale for a cereal crop involving day and night temperatures and photoperiod. Intl. J. Biometeor. 12:191-223.

Robertson, G.W., and D.A. Russelo. 1968. Agrometeorological estimator for estimating time when the sun is at any elevation, time elapsed between the same elevations in the morning and afternoon, and hourly and daily values of solar energy. Quarterly Agricultural Meteorology. Tech. Bull. 14. Agrometeorology Section, Agriculture Canada, Ottawa, 22 pp.

Santos, M.A. 1983. Regional droughts: a stochastic characterization. J. Hydrol. 66:183-211.

Sen, Z. 1990. Critical drought analysis by second order Markov chain. J. Hydrol. 120:183-202.

Tsuji, G.Y., G. Uehava, and S. Balas. 1994. A decision support system for agrotech-nology transfer. University of Hawaii, Honolulu.

Wilhite, D.A., and M.H. Glantz. 1987. Understanding the drought phenomenon. In: D.A. Wilhite, W.E. Easterling, and D.A. Wood (eds.), Planning for Drought: Toward a Reduction of Societal Vulnerability. Westview Press, Boulder, CO, pp. 11-27.

Williams, J.R., C.A. Jones, J.R. Kiniry, and D.K. Spanel. 1989. The EPIC crop growth model. Trans. ASAE 32:497-511.

Yevjevich, V., W.A. Hall, and J.D. Salas. (eds.). 1978. Drought Research Needs. Water Resources Publications, Fort Collins, CO.

Was this article helpful?

0 0

Post a comment