International Rainwater Cistern Systems Conference
Khon Kaen, Thailand
- January, 1987
Section C: Design
Terrace-Cistern System: A Call for Experimentation
LNEC Seniour Research Officer
The paper recalls that the terrace-cistern system described
in earlier works (Nascimento, 1982) is the association of two very old
techniques: land cultivation in terrace and cistern storage of rainwater caught
Potential advantages to be taken of the system are also
recalled: best use of water, protection against erosion, struggle against
desertification, flood control, etc.
An analysis is made of the mechanism of water drainage above
the groundwater level, and new advances are reported that provide for better
adaptation of the system to the existing ground: catchment with geotextiles,
and possibly cisterns outside terraces.
The development of the system calls for experimentation in
different conditions of climate and terrain, from which construction
specifications and operation outputs could be derived.
There is the description of a first experiment though on
very limited scale, and the need for other experiments in different regions is
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