Study on Characteristics of Groundwater Level Fluctuation and Its Factors in an Irrigated District in the Lower Ili River Basin, Kazakhstan
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- ANZAI Toshihiko
- The United Graduate School of Agricultural Sciences, Tottori University
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- SHIMIZU Katsuyuki
- Faculty of Agriculture, Tottori University
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- KITAMURA Yoshinobu
- Faculty of Agriculture, Tottori University
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- SHAKIBAEV I.I.
- Ministry of Agriculture, Committee of Water Resources, Hydrogeological-reclamation center
Bibliographic Information
- Other Title
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- カザフスタン・イリ川下流域灌漑地区における地下水位変動特性とその要因に関する研究
- カザフスタン ・ イリ カワシモ リュウイキカンガイチク ニ オケル チカ スイイ ヘンドウ トクセイ ト ソノ ヨウイン ニ カンスル ケンキュウ
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Abstract
In the irrigation district in the lower Ili River basin, a crop rotation system which combines paddy rice and field crops is practiced. Upland crops use the groundwater which is raised by seepages from canals and rice cropped fields. However, excessive rising of groundwater level on upland cropped fields causes salinization. Therefore, it is necessary to control groundwater level appropriately and to perceive temporal and spatial characteristics of groundwater level fluctuation is quite important for adequate groundwater level control.<br>This study analyzed temporal and spatial distribution of groundwater level fluctuation. The results are summarized as follows; (1) Groundwater level had risen sharply since 1970s when cultivation of paddy rice was officially introduced and was highest in 1980s when amount of irrigation water supply peaked. Recently, groundwater level showed the decreasing trend with decrease of amount of irrigation water supply. (2) Spatial distribution of groundwater level inclined with ground surface inclination during non-irrigation period while spatial distribution of the raised groundwater level was not uniform during irrigation period. (3) Agricultural land use and condition of drainage canals affected groundwater level fluctuation.
Journal
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- Transactions of The Japanese Society of Irrigation, Drainage and Rural Engineering
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Transactions of The Japanese Society of Irrigation, Drainage and Rural Engineering 81 (1), 51-56, 2013
The Japanese Society of Irrigation, Drainage and Rural Engineering
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Keywords
Details 詳細情報について
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- CRID
- 1390282680266025728
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- NII Article ID
- 10031171473
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- NII Book ID
- AA12240517
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- ISSN
- 18847242
- 18822789
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- NDL BIB ID
- 024317520
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- CiNii Articles
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- Abstract License Flag
- Disallowed