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トンレサップ湖畔と周辺都市・水田域における総合水文気象観測とデータ解析
https://doi.org/10.24514/0002001295
https://doi.org/10.24514/00020012952639b246-7eb0-4e7f-8a20-ad24383c4788
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
TRNIRE206_p219-236.pdf (1.2 MB)
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(c) 国立研究開発法人 農業・食品産業技術総合研究機構
National Agriculture and Food Research Organization, Japan |
| Item type | 紀要論文 / Departmental Bulletin Paper_03(1) | |||||||||||||||||||||||||||||
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| 公開日 | 2025-03-28 | |||||||||||||||||||||||||||||
| タイトル | ||||||||||||||||||||||||||||||
| タイトル | トンレサップ湖畔と周辺都市・水田域における総合水文気象観測とデータ解析 | |||||||||||||||||||||||||||||
| 言語 | ja | |||||||||||||||||||||||||||||
| タイトル | ||||||||||||||||||||||||||||||
| タイトル | Hydro-meteorological Observation and Analysis of Observed Data at Tonle Sap Lake and its Environs, Urban and Paddy Areas | |||||||||||||||||||||||||||||
| 言語 | en | |||||||||||||||||||||||||||||
| 言語 | ||||||||||||||||||||||||||||||
| 言語 | jpn | |||||||||||||||||||||||||||||
| 資源タイプ | ||||||||||||||||||||||||||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||||||||||||||||||||||
| 資源タイプ | article | |||||||||||||||||||||||||||||
| ID登録 | ||||||||||||||||||||||||||||||
| ID登録 | 10.24514/0002001295 | |||||||||||||||||||||||||||||
| ID登録タイプ | JaLC | |||||||||||||||||||||||||||||
| 著者 |
増本, 隆夫
× 増本, 隆夫
× 辻本, 久美子
× 宗村, 広昭
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| 抄録 | ||||||||||||||||||||||||||||||
| 内容記述タイプ | Abstract | |||||||||||||||||||||||||||||
| 内容記述 | Tonle Sap Lake has unique characteristics in that its surface area of 2,500 km2 in the dry season expands by about 5 times during the wet season and in that the lake and its environ provide a flood regulation function and a rational supply of water resources at the same time by utilizing the natural hydrological conditions. However, the change of hydroenvironmental and water use mechanism, which this huge lake has, have not been understood well. In addition, the civil war in Cambodia has prevented people from obtaining even fundamental data due to the delay of financial and human resources development on hydro-meteorological facilities and observation. Then, few proper meteorological data exist for this area and the region s meteorological conditions, including seasonal variation in radiation and evaporation, have not been clarified. This paper, therefore, firstly explains three hydro-meteorological stations newly installed by authors in urban, paddy Tonle Sap Lake areas, respectively, based on the history and status quo of the hydro-meteorological observation facilities in the Mekong River Basin. Then, the characteristics of hydro-meteorological condition and new findings by the analysis of the data observed in those stations are shown. Especially, the ground-based hourly hydro-meteorological data collected at three observation stations mentioned above, which are located in different land-use types (urban district, paddy area, and lake) were analyzed to investigate the seasonal variation in radiation and evaporation related to the diurnal distribution of rainfall. Our results showed that rainy and dry seasons had nearly the same amount of solar radiation in the Lower Mekong River Basin because: 1) rainy seasons had a relatively larger amount of extraterrestrial radiation; 2) no rain fell on nearly half of the days during rainy seasons; and 3) the amount of solar radiation on rainy days reached 88% of that on nonrainy days. The third factor was attributed to the high frequency of evening rainfall. Furthermore, this rainfall-radiation relationship meant that rainy seasons had a large amount of net radiation due to the low reduction ratio of solar radiation and an increase in long-wave incoming radiation. Accordingly, rainy seasons had a high evaporation potential. |
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| 言語 | en | |||||||||||||||||||||||||||||
| 書誌情報 |
ja : 農村工学研究所技報 en : Technical report of the National Institute for Rural Engineering 巻 206, p. 219-236, 発行日 2007-03-31 |
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| 出版者 | ||||||||||||||||||||||||||||||
| 出版者 | 独立行政法人農業食品産業技術総合研究機構農村工学研究所 | |||||||||||||||||||||||||||||
| 言語 | ja | |||||||||||||||||||||||||||||
| 出版者 | ||||||||||||||||||||||||||||||
| 出版者 | National Agriculture and Food Research Organization, National Institute for Rural Engineering | |||||||||||||||||||||||||||||
| 言語 | en | |||||||||||||||||||||||||||||
| ISSN | ||||||||||||||||||||||||||||||
| 収録物識別子タイプ | PISSN | |||||||||||||||||||||||||||||
| 収録物識別子 | 1882-3289 | |||||||||||||||||||||||||||||
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Cite as
増本, 隆夫, 辻本, 久美子, 宗村, 広昭, 2007, トンレサップ湖畔と周辺都市・水田域における総合水文気象観測とデータ解析: 独立行政法人農業食品産業技術総合研究機構農村工学研究所, p. 219–236.
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