Study on effective measures for management of bars and low water channel in forested gravel-bed rivers
森林砾石河道拦坝及低水道管理有效措施研究
基本信息
- 批准号:20560471
- 负责人:
- 金额:$ 2.91万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (C)
- 财政年份:2008
- 资助国家:日本
- 起止时间:2008 至 2010
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Recently, riparian trees in the course of gravel-bed rivers have been very much increasing due to bed degradation in low water channel and increasing of relative height over vegetated gravel bars. Such a situation reduces the capacity of flood discharge. Furthermore, it brings about the degeneration of dynamic river system. This study aims to propose effective measures for reproducing gravel bars and for reducing of extreme relative elevation in cross section by leading flash floods over forested bars. The bed excavation over the vegetated gravel bar in Watarase River was conducted for the restriction of riparian trees and the recovery of gravel bars with geomorphic changes caused by flood disturbance. After experiences of several times of floods, significant bed variation was caused in the excavated area by active sediment transport. As results of the field survey and the numerical hydraulic calculation, it is confirmed that induced flood disturbance due to bed excavation is one of the effective measures for the management of gravel-bed rivers.
近年来,砾石河床河道中的河岸树木大量增加,这是由于低水位河道的河床退化和植被覆盖的砾石坝上相对高度的增加。这种情况降低了泄洪能力。此外,它还导致了动态河流系统的退化。本研究的目的是提出有效的措施,再生砾石坝和减少极端相对高程的横截面,通过引导山洪过森林的酒吧。在渡濑川植被覆盖的砾石坝上进行河床开挖,以限制河岸树木和恢复因洪水扰动引起地貌变化的砾石坝。在经历了几次洪水后,由于泥沙的主动输移,开挖区河床发生了明显的变化。通过现场调查和数值水力计算,证实了河床开挖诱发洪水扰动是治理砾石河床的有效措施之一。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Forestation in gravel-bed rivers and an attempt of its controlling Annual Jour. of Hydraulic
砾石河床造林及其控制年日的尝试。
- DOI:
- 发表时间:2010
- 期刊:
- 影响因子:0
- 作者:松田浩一,内堀寿美男,清水義彦,石原正義,藤堂正樹;清水義彦
- 通讯作者:清水義彦
洪水撹乱誘発に対する中州掘削と河床材料の効果
沙洲开挖和河床物质对洪水扰动感应的影响
- DOI:
- 发表时间:2009
- 期刊:
- 影响因子:0
- 作者:松田浩一・内堀寿美男・清水義彦;他;岩見収二,清水義彦;岩見収二・清水義彦
- 通讯作者:岩見収二・清水義彦
低水路管理における中洲掘削の有効性とその留意点について
沙洲开挖在低水道管理中的有效性和注意事项
- DOI:
- 发表时间:2009
- 期刊:
- 影响因子:0
- 作者:松田浩一・内堀寿美男・清水義彦;他;岩見収二,清水義彦;岩見収二・清水義彦;岩見収二・清水義彦
- 通讯作者:岩見収二・清水義彦
固定化砂州での掘削路開削による洪水撹乱の誘発と樹林化抑制対策に関する研究
固定沙洲开挖诱发洪水扰动及抑制树木生长对策研究
- DOI:
- 发表时间:2010
- 期刊:
- 影响因子:0
- 作者:松田浩一,内堀寿美男,清水義彦,石原正義,藤堂正樹
- 通讯作者:松田浩一,内堀寿美男,清水義彦,石原正義,藤堂正樹
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SHIMIZU Yoshihiko其他文献
SHIMIZU Yoshihiko的其他文献
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- 批准号:
26885056 - 财政年份:2014
- 资助金额:
$ 2.91万 - 项目类别:
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Approach to foster students' competitiveness in global society - A teaching model for developing proficiency in English for international communication-
培养学生国际社会竞争力的方法-培养国际交流英语能力的教学模式-
- 批准号:
24520690 - 财政年份:2012
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$ 2.91万 - 项目类别:
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- 批准号:
23791831 - 财政年份:2011
- 资助金额:
$ 2.91万 - 项目类别:
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Study on vegetation management in forest bars caused by flood disturbance resulting from bar excavation
坝体开挖洪涝干扰林坝植被管理研究
- 批准号:
23560604 - 财政年份:2011
- 资助金额:
$ 2.91万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Study on recent change of gravel-bed river landscape and river forestation
砾石河道景观近期变化及河流绿化研究
- 批准号:
16560443 - 财政年份:2004
- 资助金额:
$ 2.91万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Study on the destruction of riparian trees in a gravel-bed river caused by flood disturbance
洪水扰动对砾石河道河岸树木破坏的研究
- 批准号:
14550508 - 财政年份:2002
- 资助金额:
$ 2.91万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Study on the mechanism of the riparian trees expansion in a gravel-bed river and an approach to that management
砾石河道河岸树木扩张机理及治理方法研究
- 批准号:
12650505 - 财政年份:2000
- 资助金额:
$ 2.91万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Study on the Excessive Growth of Reverine Trees and Its Effects on Morphological Processes in Gravel-Bed River
砾石床河中Reverine树的过度生长及其对形态过程的影响研究
- 批准号:
10650499 - 财政年份:1998
- 资助金额:
$ 2.91万 - 项目类别:
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