International Conference on Rain Water Cistern Systems
USA - June 1982
6: Related Topics
System: New Perspectives in Soil and Water Management
Laboratorio Nacional de Engenharia Civil, Portugal
The basic idea presented in this paper is the combination of two very old techniques-
land cultivation in terraces and rainwater catchment in cisterns -to form a terrace-cistern
system whose potentialities are expected to exceed that of either technique by
Such a system can open new prospects for land and water management. In the
case of soil management, rainwater catchment for irrigation will make possible
the reclamation of waste land and/or the introduction of new crops with higher
yields. And for water management, a direct benefit will be the increase in the
available water resources as a result of the collection and utilization of runoff;
indirect benefits include the diminishing of soil erosion, and consequently, improving
the operation of reservoirs and channels.
One may ask in what circumstances the implementation of this system becomes
practicable from the technical and economic points of view. To throw light on
this question, the Laboratario Nacional de Engenharia Civil recently started the
research project reported here and which will require further research to solve
some of the problems. That such research is needed is beyond question. In some
of the most recent literature on water management, Cunha et al. (1980) concluded
that research is not only necessary but also urgent.
This paper is presented to the International Conference on Rain Water Cistern
Systems to profit mainly from any criticism and comments and to hopefully elicit
cooperation in the pilot studies and the work to be done.
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