Agricultural, Meteorologic, and Hydrologic Drought Relations: Applications to Irrigation and Water Supply Planning

by Ganapathi S. Ramamurthy, Illinois State Water Survey, United States,
Krishan P. Singh, Illinois State Water Survey, United States,

Document Type: Proceeding Paper

Part of: National Water Conference


Meteorologic and hydrologic factors can combine to significantly reduce crop yields, leading to an agricultural drought. Agricultural and hydrologic droughts affect a large segment of the population. They cause economic distress to the farming community and affect the general lifestyle of the people living in the drought area. A framework for investigating the interrelationships among agricultural, hydrologic, and meteorologic droughts is developed. An understanding of these relationships is essential for evaluating public policy programs designed to mitigate problems associated with droughts, and for determining the economics of such programs. A database is developed that consists of time-series data on precipitation, temperature, streamflow, and crop yields for several basins and areas in Illinois.

Subject Headings: Irrigation water | Meteorology | Hydrology | Droughts | Crops | Water resources | Economic factors | Soil water | Illinois | United States

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