This study greatly benefited from discussions and reviews with Prof. Yong-Qyun Kang at Pukyong National University; Dr. Michael Hayes, Mr. Mark Svoboda, and Miss Deb Wood at the National Drought Mitigation Center University of Nebraska; Dr. Kenneth Hubbard, Mr. Allen Dutcher, Dr. Steven Meyer, Dr. David Stooksbury at High Plains Climate Center University of Nebraska; Dr. Ying-Hwa Kuo at NCAR; and Karen Weghorst at Bureau of Reclamation. The authors would also like to thank Sam-Yeon Jeong, Tae-Kook Kim, Mo-Rang Her, Jang-Ho Lim, Byung-Hown Lim, and Hae-Yeong Ko for their help in the processes of long lasted trials and errors. Also, thanks to Jun-Suk Jung, Dong-Yl Lee, and Mi-Hyun Lim for their help in data collection. This research was supported by the LG Yonam Foundation.
Alley, W. M., 1984: The Palmer Drought Severity Index: Limitations and assumptions. J. Climate Appl. Meteor.,23, 1100–1109.
Bhalme, H. N., and D. A. Mooley, 1980: Large-scale drought/floods and monsoon circulation. Mon. Wea. Rev.,108, 1197–1211.
Broccoli, A. J., and S. Manabe, 1992: The effects of orography on midlatitude Northern Hemisphere dry climates. J. Climate,5, 1181–1201.
Byun, H. R., 1996: On the atmospheric circulation associated with Korean drought. J. Korean Meteor. Soc.,32, 455–469.
——, and Y. H. Han, 1994: On the existence of seasonal drought in the Korean peninsula. J. Korean Meteor. Soc.,30, 457–467.
——, D. K. Lee, and C. H. Joung, 1992a: A study on the atmospheric circulation during the dry period before the Changma. Part I: Existence and characteristics. J. Korean Meteor. Soc.,28, 72–85.
——, ——, and ——, 1992b: A study on the atmospheric circulation during the dry period before the Changma. Part II: Compared with those before and after the period. J. Korean Meteor. Soc.,28, 86–102.
Chu, P. S., A. J. Nash, and F. U. Porter, 1993: Diagnostic studies of two contrasting episodes in Hawaii: Dry 1981 and wet 1982. J. Climate,6, 1457–1462.
Doornkamp, J. C., K. G. Gregory, and A. S. Burn, 1980: Atlas of Drought in Britain 1975–1976. Institute of British Geographers, 82 pp.
Finger, F. G., J. D. Laver, K. H. Bergman, and V. L. Patterson, 1985:The Climate Analysis Center’s user information service. Bull. Amer. Meteor. Soc.,66, 413–420.
Gibbs, W. J., and J. V. Maher, 1967: Rainfall deciles as drought indicators. Bureau of Meteorology Bull. 48, Commonwealth of Australia, Melbourne, Australia.
Gommes, R., and F. Petrassi, 1994: Rainfall variability and drought in Sub-Saharan Africa since 1960. Agro-meteorology series working paper 9, Food and Agriculture Organization, Rome, Italy.
Hayes, M., 1996: Drought indexes. National Drought Mitigation Center, University of Nebraska–Lincoln, 7 pp. [Available from University of Nebraska–Lincoln, 239LW Chase Hall, Lincoln, NE 68583.].
Hollinger, S. E., S. A. Isard, and M. R. Welford, 1993: A new soil moisture drought index for predicting crop yields. Preprints, Eighth Conf. on Applied Climatology, Anaheim, CA, Amer. Meteor. Soc., 187–190.
Huschke, R. E., 1970: Glossary of Meteorology. Amer. Meteor. Soc., 638 pp.
Keetch, J. J., and G. M. Byram, 1968: A drought index for forest fire control. Asheville, N. C. Southeastern Forest Experiment Station.
Kim, K. S., 1968: Water budgets of the 10 big river valleys of South Korea. J. Korean Meteor. Soc.,4, 1–13.
Landsberg, H. E., 1982: Climatic aspects of droughts. Bull. Amer. Meteor. Soc.,63, 593–596.
Lee, S.-H., 1998: Flood simulation with the variation of runoff coefficient in tank model. J. Korean Water Resour. Assoc.,31, 3–12.
McKee, T. B., N. J. Doesken, and J. Kleist, 1993: The relationship of drought frequency and duration to time scale. Preprints, Eighth Conf. on Applied Climatology, Anaheim, CA, Amer. Meteor. Soc., 179–184.
——, ——, and ——, 1995: Drought monitoring with multiple time scales. Preprints, Ninth Conf. on Applied Climatology, Dallas, TX, Amer. Meteor. Soc., 233–236.
Meyer, S. J., and K. G. Hubbard, 1995: Extending the crop-specific drought index to soybean. Preprints, Ninth Conf. on Applied Climatology, Dallas, TX, Amer. Meteor. Soc., 258–259.
——, ——, and D. A. Wilhite, 1993: The development of a crop-specific drought index for corn. Part I: Model development and validation. Agron. J.,85, 388–395.
Namias, J., 1991: Spring and summer 1988 drought over the contiguous United States—Causes and prediction. J. Climate,4, 54–65.
Olapido, E. O., 1985: A comparative performance analysis of three meteorological drought indexes. J. Climatol.,5, 655–664.
Palmer, W. C., 1965: Meteorological drought. U.S. Weather Bureau Tech Paper 45, 1–58.
——, 1968: Keeping track of crop moisture conditions, nationwide:The new crop moisture index. Weatherwise,21, 156–161.
Penman, H. L., 1948: Natural evaporation from open water, bare soil and glass. Proc. Roy. Soc. London,193A, 120–146.
Ratcliffe, R. A. S., 1978: Meteorological aspects of 1975–1976 drought. Proc. Roy. Soc. London,863A, 3–20.
Riebsame, W. E., S. A. Changnon, and T. R. Karl, 1991: Drought and Natural Resources Management in the United States: Impacts and Implications of the 1987–89 Drought. Westview Press, 174 pp.
Schemm, J., S. Schubert, J. Terry, and S. Bloom, 1992: Estimates of monthly mean soil moisture for 1979–1989. NASA Tech. Memo. 104571, 252 pp.
Shafer, B. A., and L. E. Dezman, 1982: Development of a surface water supply index(SWSI) to assess the severity of drought conditions in snow pack runoff areas. Proc. Western Snow Conf., 164–175.
Shim, S.-B., M.-S. Kim, and K.-C. Shim, 1998: Flood inflow forecasting on multipurpose reservoir by neural network. J. Korean Water Resour. Assoc.,31, 45–58.
Singh, V. P., 1988: Hydrologic Systems. Vol. I, Rainfall-Runoff Modeling. Prentice Hall, 369 pp.
Steila, D., 1986: Drought. The Encyclopaedia of Climatology, J. E. Oliver, Ed., van Nostrand Reinhold, 386–395.
Thornthwaite, C. W., 1948: An approach toward a rational classification of climate. Geogr. Rev.,38, 55–94.
——, 1963: “Drought.” Encyclopedia Britannica..
Trenberth, K. E., and G. W. Branstator, 1992: Issues in establishing causes of the 1988 drought over North America. J. Climate,5, 159–172.
USGS, 1991: National water summary 1988–1989 hydrologic events and floods and droughts. United States Geological Survey Water Supply Paper 2375, ISSN 0892-3469, Denver, CO, 591 pp. [Available from Federal Center, Box 25425, Denver, CO 80225.].
van Rooy, M. P., 1965: A rainfall anomaly index independent of time and space. Notos,14, 43.
Weghorst, K. M., 1996: The reclamation drought index: Guidelines and practical applications. Bureau of Reclamation, Denver, CO, 6 pp. [Available from Bureau of Reclamation, D-8530, Box 25007, Lakewood, CO 80226.].
Wilhite, D. A., 1986: Drought policy in the U.S. and Australia: A comparative analysis. Water Resour. Bull.,22, 425–438.
——, 1991: Drought planning and state Government current status. Bull. Amer. Meteor. Soc.,72, 1531–1536.
——, 1993: Drought Assessment, Management, and Planning: Theory and Case Studies. Kluwer Academic Publishers, 293 pp.
——, 1996: A methodology for drought preparedness. Nat. Hazards,13, 229–252.
——, 1997a: Responding to drought: Common threads from the past, visions for the future. J. Amer. Water Resour. Assoc.,33, 951–959.
——, 1997b: State action to mitigate drought: Lessons learned. J. Amer. Water Resour. Assoc.,33, 951–959.
——, and M. H. Glantz, 1987: Understanding the drought phenomenon: The role of definitions. Water Int.,10, 111–120.
——, and S. R. Rhodes, 1994: State-level drought planning in the United States. Factors influencing plan development. Water Int.,19, 15–24.
——, N. J. Rosenberg, and M. H. Glantz, 1986: Improving federal response to drought. J. Climate Appl. Meteor.,25, 332–342.
Willeke, G., J. R. M. Hosking, J. R. Wallis, and N. B. Guttman, 1994:The National Drought Atlas. Institute for Water Resources Rep. 94-NDS-4, U.S. Army Corps of Engineers.