Chapter
Apr 26, 2012
Current Status of River Discharge Observation Using Non-Contact Current Meter for Operational Use in Japan
Authors: Kazuhiko Fukami [email protected], Takayuki Yamaguchi [email protected], Hitoki Imamura, and Yoichi Tashiro [email protected]Author Affiliations
Publication: World Environmental and Water Resources Congress 2008: Ahupua'A
Abstract
Experiments of continuous flow rate measurements using non-contact Doppler-type current meters were made during floods in three rivers of Japan. As a result of the study, the authors have confirmed that the Doppler-type current meters can be utilized as substitutes for the float method which has been being conventionally applied for flood flow measurements in Japan. Furthermore, it is also indicated this kind of non-contact current meter can detect the H-V loop relations during floods and the change of hydraulic conditions of the observation section such as river bed and its roughness.
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Published In
World Environmental and Water Resources Congress 2008: Ahupua'A
Pages: 1 - 10
Copyright
© 2008 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Doppler systems
- Engineering fundamentals
- Equipment and machinery
- Floods
- Flow (fluid dynamics)
- Flow measurement
- Flow rates
- Fluid dynamics
- Fluid mechanics
- Hydraulic engineering
- Hydraulic properties
- Hydraulic roughness
- Hydrologic engineering
- Measurement (by type)
- Measuring instruments
- River and stream beds
- River engineering
- Rivers and streams
- Water and water resources
- Water discharge
Authors
Affiliations
International Centre for Water Hazard and Risk Management (ICHARM), Public Works Research Institute (PWRI), Japan; 1-6 Minamihara, Tsukuba, Ibaraki, 305-8516 Japan. E-mail: [email protected]
Tokyo Kensetsu Consultants, Co., Ltd. 1-15-6 Kitaotsuka, Toshima-ku, Tokyo, 170-0004 Japan;. E-mail: [email protected]
Hitoki Imamura
International Centre for Water Hazard and Risk Management (ICHARM), Public Works Research Institute (PWRI), Japan; 1-6 Minamihara, Tsukuba, Ibaraki, 305-8516 Japan
Public Works Research Center (PWRC), Japan; 1-6-4 Taitou, Titou-ku, Tokyo, 110-0016 Japan;. E-mail: [email protected]
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