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- パタポーン メクプルクサウォング
- タイ国王立かんがい局
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- 市川 勉
- 九州東海大学工学部都市工学科
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- 山田 正
- 中央大学理工学部土木工学科
書誌事項
- タイトル別名
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- Combination of Tank Model and 3-D Unconfined Groundwater Flow (GWF) Simulation in Tropical Floodplain, THAILAND
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抄録
Thailand is located in a tropical, monsoonal area and is one of the world's top five rice producing countries. However, Thailand's paddy fields in floodplains often have flood problems, and those that require extraction of groundwater for cultivation face problems of the fall of groundwater levels due to over-pumping. The modeling of the 3-D unconfined aquifer groundwater flow (GWF) in tropical floodplains with quaternary sediments such as Phichit floodplain in Thailand is rather complex for several factors concerning the input data. Complicated recharges are caused by floods, river water, rainwater, water held in rice fields, agriculture ponds, and commercial sandpits. This paper presents an estimated recharge rate by the Thiessen polygon tank model with the use of field observation data and the application of the Visual MODFLOW program for the 3-D unconfined aquifer groundwater flow simulation. The simulated groundwater level appears to be in accordance with the observed values with the exception of a few certain locations. In addition, the simulation results indicate that in tropical floodplains, floodwater recharge is the main income of unconfined groundwater.
収録刊行物
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- 水文・水資源学会誌
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水文・水資源学会誌 19 (5), 372-382, 2006
水文・水資源学会
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詳細情報 詳細情報について
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- CRID
- 1390001204439061248
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- NII論文ID
- 10018074413
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- NII書誌ID
- AN10088049
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- ISSN
- 13492853
- 09151389
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- NDL書誌ID
- 8092124
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 使用不可