Drought in Tennessee: Implications on Irrigation System Capacity

by R. D. von Bernuth, Univ of Tennessee, United States,
Joanne Logan, Univ of Tennessee, United States,

Document Type: Proceeding Paper

Part of: National Water Conference


Recent droughts in Tennessee have led to a study of the required irrigation system capacity for the state. Data from 1951 through 1988 were analyzed for probabilities of precipitation for weekly periods during the growing season, and a precipitation and evapotranspiration data for 1967 through 1986 were analyzed with a water balance/yield reduction model. The results indicated that the required system capacity is about 7 mm/d, and it has not changed in the time period of analysis. Furthermore, irrigation was required every year of the period of analysis at Knoxville.

Subject Headings: Irrigation systems | Droughts | Water shortage | Water resources | Data analysis | Hydrologic data | Precipitation | Evapotranspiration | Tennessee | United States

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