Erosion and Sedimentation in Lake-catchment Systems in Japan and Korea on the Basis of an Elementary Process Model(<Featured Article>Earth Surface Processes, Natural Disasters and Historical Environmental Changes)
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概要
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A model is introduced to clarify the elementary process in a lake-catchment system, using the relationship between erosion/transportation in the catchment and sedimentation in the lake. The model is based on a continuous equation with some assumptions, and shows that sedimentation rate in the lake is a function of rainfall intensity and transportability factor related to system conditions, a conclusion supported by field data (6 - 14 years observation) from three small lake (reservoir)-catchment systems in Japan and Korea. Artificial disturbance in the systems and seismic activity in the vicinity also have a significant influence on the sedimentation rate. The relationship between the seasonal sedimentation rate and rainfall is more correlative than the monthly relationship, indicating the reservoir effect in the catchments.
- 日本地形学連合の論文
- 2012-04-25
著者
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KASHIWAYA Kenji
Institute of Nature and Environmental Technology, Kanazawa University
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Yang Dong-yoon
Geological & Environmental Hazards Division Korea Institute Of Geoscience And Mineral Resources (kigam)
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Nahm Wook-hyun
Geologic Environment Division Korea Institute Of Geoscience And Mineral Resources (kigam)
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Nahm Wook-hyun
Geological & Environmental Hazards Division Korea Institute Of Geoscience And Mineral Resources (kigam)
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Ochiai Shinya
Institute Of Nature And Environmental Technology Kanazawa University:department Of Geography National Taiwan University
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OKIMURA Takashi
Research Center for Urban Safety and Security, Kobe University
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KIM Ju-Yong
Geological & Environmental Hazards Division, Korea Institute of Geoscience and Mineral Resources (KIGAM)
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Okimura Takashi
Research Center For Urban Safety And Security Kobe University
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Kashiwaya Kenji
Institute Of Nature And Environmental Technology Kanazawa University
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Kim Ju-yong
Geological & Environmental Hazards Division Korea Institute Of Geoscience And Mineral Resources (kigam)
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Ochiai Shinya
Institute Of Nature And Environmental Technology Kanazawa University
関連論文
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- The Eurim Lake and its Hosting Valley : A Unique Ancient Reservoir with Bank Constructions in Korea(Earth Surface Processes, Natural Disasters and Historical Environmental Changes)
- Paleoecological and Paleoenvironmental Changes in Lagoon Notoro-Ko (Japan) during the Last 200 Years Based on Diatom Assemblages and Sediment Chemistry(Earth Surface Processes, Natural Disasters and Historical Environmental Changes)
- Erosion and Sedimentation in Lake-catchment Systems in Japan and Korea on the Basis of an Elementary Process Model(Earth Surface Processes, Natural Disasters and Historical Environmental Changes)
- Earth Surface Processes and Environmental Changes in Lake-catchment Systems(Earth Surface Processes, Natural Disasters and Historical Environmental Changes)
- Influence of Construction of Dams and Waterway Tunnels on Sedimentation Rate and Bottom Topography in Sun Moon Lake, Taiwan(Earth Surface Processes, Natural Disasters and Historical Environmental Changes)
- 特集:地表プロセス,自然災害そして歴史的環境変動
- Paleoecological and Paleoenvironmental Changes in Lagoon Notoro-Ko (Japan) during the Last 200 Years Based on Diatom Assemblages and Sediment Chemistry
- The Eurim Lake and its Hosting Valley : A Unique Ancient Reservoir with Bank Constructions in Korea
- Influence of Construction of Dams and Waterway Tunnels on Sedimentation Rate and Bottom Topography in Sun Moon Lake, Taiwan
- Preface : Earth Surface Processes, Natural Disasters and Historical Environmental Changes
- Erosion and Sedimentation in Lake-catchment Systems in Japan and Korea on the Basis of an Elementary Process Model
- Disastrous Flood Events Found in Lacustrine Sediments from Lake Biwa(Mega-Earthquake and Geomorphic Hazards)
- Preface : Mega-Earthquake and Geomorphic Hazards