Study on runoff generation and substance cycle in a forested headwater catchment
森林源头流域径流生成和物质循环研究
基本信息
- 批准号:61460246
- 负责人:
- 金额:$ 3.33万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for General Scientific Research (B)
- 财政年份:1986
- 资助国家:日本
- 起止时间:1986 至 1987
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The purpose of the study is to elucidate the hydrological cycle and the mechanism of runoff generation in a forested headwater catchment. The results of the study are summarized as follows;1. The soil layer in the watershed can be divided into three layers such as I,II and III according to the hydrological and physical characeristics of the soil. 2. Mean soil layer depth of the watershed is 1.63 m.3. Averaged final infiltration capacity determined by single ring infiltrometer is 260 mm/h.4. Water storage volume of the soil layer is about 720 mm, which was determined by the areal distribution of the soil and the volumetric water content of the soil profile.5. Estimated annual evapotranspiration from the watershed by means of water balance method is about 500 mm.6. The residence time of stream water determined by the water storage volume and annual runoff volumes is about 0.9 years.7. Both snow melt and rainfall runoff generations are predominated by subsurface water.
研究的目的是阐明森林水源集水区的水文循环和产流机制。研究结果总结如下:1。根据土壤的水文和物理特性,可将流域的土层分为I、II、III等三层。2. 流域平均土层深度为1.63 m.3。单环入渗仪测定的平均最终入渗能力为260 mm/h。土层储水量约为720 mm,由土壤的面积分布和土壤剖面的体积含水量决定。根据水量平衡法估算的流域年蒸散量约为500 mm。由蓄水量和年径流量决定的水流停留时间约为0.9年。融雪径流和降雨径流两代均以地下水为主。
项目成果
期刊论文数量(14)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Tanaka,T., Kuroda,Y., Kaijo,M. and Takayama,S.: "Hydrological observation systems of the Kawakami experimental basin in the Kawakami Instruction Forest, University of Tsukuba, central Japan." Bull. Tsukuba Univ. Forests. 4. (1988)
田中,T.,黑田,Y.,海城,M.
- DOI:
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- 影响因子:0
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- 通讯作者:
田中正, 島野安雄, 黒田吉雄, 恩田裕一, 高山茂美: 第1回日本水文科学会学術大会講演要旨集. 24-25 (1987)
Tadashi Tanaka、Yasuo Shimano、Yoshio Kuroda、Yuichi Onda、Shigemi Takayama:第一届日本水文学会学术会议摘要集 24-25(1987)。
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- 影响因子:0
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田中正, 黒田吉雄, 海上道雄, 高山茂美: 筑波大学農林技術センター演習林報告. 4. (1988)
Tadashi Tanaka、Yoshio Kuroda、Michio Kaikai、Shigemi Takayama:筑波大学农林技术中心实验森林报告 4。(1988 年)。
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TANAKA Tadashi其他文献
TANAKA Tadashi的其他文献
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