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As the domestic industry is during the period of flourishing
development, and also the rapid growing of water demand, planning
and consideration should be taken on each target water usage.
However, limited by the factors that nowadays the area which can
be!developed for water resource is difficult to find and the public
have more sense of environment protection and the cost of investment
is also too high to be economic, the water supply must be increased
before the unbearable water shortage occurs by properly using the
present water resources and jointly adjusting methods in advance.
Therefore, we must study the total potential of water supply in a
region particularly. For the sake of effectively using the valuable
water resource, we have to go on an analysis of potential water supply
for a regional system. Furthermore, finding a best case of jointly
adjusting to make the water resource policy of this region be in the
best operation state.
The purpose of this research is to take the future planning water
resource development project of Tanshui River Basin as an example,
using RIBASIM model of Water Resources Planning Commission (WRPC)
to analyze the maximum water supply of the plan of building more
weirs, public water supply and reservoirs under different composition
in each object year, and trying to find out a best associative
adjusting case to avoid the Tanshui River Basin from being painful
for water shortage in the next one or two decades.
According to the result of the analysis, it shows that the
potential water supply of regional system has close relationship
to each target water demand, future project of water resource
development, and the operation rules. The Da-Han River Basin of
Tanshui River Basin has to develop new water resource project
before 2011, or adapt the jointly using of Ping-Lin and Shih-Man
Reservoirs through the water leading tunnel adapting the water
source of Shin-Dan River to avoid from water shortage. Besides,
because the Keelung River Basin itself adapts the Keelung River,
which has not enough water sources originally, it has been having
water shortage since that year (1996). Therefore, the most
important issue of the present time is to construct new reservoirs
and weirs facilities to generate a large amount of water for the
using of Jui-Fang, Lon-Lon and Liow-Tu public water supply.
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