Potencial de irrigação de pequenas bacias hidrográficas do Piauí.

Abstract

The handling of watershed inside of the concept of objective multiple use that all the resources are explored concomitantly, of integrated form. The evaluation of the water resources of the small watershed in the zones northeast makes possible that it is carried through a correct planning and handling of the natural resources. The objective of this work was to trace a profile of rational exploration of the water of irrigation for the State of the Piauí, having as base the Basin of the River Piranji. Inside of the basin the is located Dam Cottons, whose the characteristics are: localization city of Cocal-PI, capacity 51,000,000 m3, hydraulical basin 288 ha. In the watershed of the River Piranji to the ebb tide of the dam the implantation of 1.205,4 hectares irrigated with the traditional cultures of the region. The rational management of the basin establishes the necessity of development of integrated boarding of planning and management of the natural resources.