IAHR, founded in 1935, is a worldwide independent member-based organisation of engineers and water specialists working in fields related to the hydro-environmental sciences and their practical application. Activities range from river and maritime hydraulics to water resources development and eco-hydraulics, through to ice engineering, hydroinformatics, and hydraulic machinery.
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You are here : eLibrary : IAHR World Congress Proceedings : 34th Congress - Brisbane (2011) : THEME 7: Hydroinformatics : A study of ice thickness during ice breakup on the teshio river
A study of ice thickness during ice breakup on the teshio river
Author : Yasuhiro Yoshikawa, Yasuharu Watanabe, Hiroshi Hayakawa, Yasuyuki Hirai
In this study, continuous non-contact measurement of ice thickness prior to its breakup was conducted to clarify the nature of the breakup process. An ice thickness calculation model using heat flux was also constructed to clarify the variation factors relating to the measured ice thickness. The calculation results revealed that these factors were increased ice thickness due to shortwave radiation, longwave radiation, evapo-condensation flux and conductive heat transfer or due to the transformation of accumulated snow into ice, and decreased ice thickness due to turbulent heat transfer from the water to the ice cover. In addition, a simple, practical ice thickness calculation model using air and water temperature and the water depth from the riverbed to the bottom ice surface as independent variables was developed based on the heat flux model.
File Size : 1,361,675 bytes
File Type : Adobe Acrobat Document
Chapter : IAHR World Congress Proceedings
Category : 34th Congress - Brisbane (2011)
Article : THEME 7: Hydroinformatics
Date Published : 01/07/2011
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