1994 Fiscal Year Final Research Report Summary
Study on the Introduction of Waste Water Tratment Plant for the Improvement of Water Quality in the Poorly Drained Agricultural Area lying in the Lower Reaches of the Kiso River Basin
| Project/Area Number |
05452324
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| Research Category |
Grant-in-Aid for General Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Irrigation, drainage and rural engineering/Rural planning
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| Research Institution | Gifu University |
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Principal Investigator |
AMAYA Takao Gifu University, Faculty of Agriculture, Professor, 農学部, 教授 (80033265)
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| Co-Investigator(Kenkyū-buntansha) |
NISHIMURA Naomasa Gifu University, Faculty of Agriculture, Assistant, 農学部, 助手 (80180644)
MATSUMOTO Yasuo Gifu University, Faculty of Agriculture, Professor, 農学部, 教授 (30021728)
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| Project Period (FY) |
1993 – 1994
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| Keywords | Kiso River Basin / Poorly Drained Agricultural Area / Polder / Bural Sewage Treatment Plant / Water Quality Contamination |
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| Research Abstract |
The research project covers the area normally referred to as the Noubi Plain. However, the research is mainly concerned with the low-lying lands which comprise mostly of sedimentation deposits of alluvium soils of the Kiso, Nagara and Ibi rivers.
The intrusion of residential and industrial activities into these low-lying areas have created water quality problems.
The objection of this research is to study the effect of the introduction of a waste water treatment plant in the lower basin of this area in order to solve these water quality problems.
For the purpose of this research the Takasu Polder was selected as the specific project area.Several data were colected from different locations within this area for study and analysis. The pollutant load around Hirata Town was found to be very high. However, four waste water treatment plants under construction in Hirata Town to tackle this problem are expected to take more than four years to complete.
The studies showed that out of ever many treatment plants covered only a few performed to a reasonable level of standard. However, it is important to note that all these plants can produce high quality effluent if the management competence of the staffs and companies in charge of these plants are improved, and the plants are kept running continuously without stoppages.
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