Frequência de ocorrência de déficit, excesso e equilíbrio hídrico para o município de Lages – SC.

Abstract

The purpose of the present essay is to verify the occurrence frequency of water deficit for the district of Lages-SC. The water balance has been realized monthly during a period of 77 years of meteorological observations and soil capacity of water storage varying from 15 to 300 mm. The biggest deficit frequencies have been verified in the months of March and April, with average values of 27.57 and 23.91%, respectively. The biggest excess frequencies have been verified in the months of July and October , with average values of 95.39 and 92.86%, respectively. The biggest balance frequencies have been verified in the months of March and November, with average values of 11.13 and 10.83%, respectively. With obtained results it concludes that for all soil capacity of water storage, the biggest deficits occurrence frequencies were verified in periods in which the agricultural activity is more intense in the region and, the excesses, in periods in which the agricultural activity is less intense.