A study on convectional phenomena of a dam lake using thermography

Using a thermography (NEC Sanei Co's brand name Thermotracer), convection cells were researched at Kagami Dam Lake from 10, 16 and 20 of December 2003, 8, 14 and 21 of January 2004. By using the observed water surface and vertical distribution of water temperature, meteorological factors, and e...

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Published inResearch Reports of Kochi University. Natural Science and Agriculture (Japan) Vol. 54
Main Authors Tokuyama, K.(Kochi Univ., Nankoku (Japan). Faculty of Agriculture), Nagashima, S, Kamii, Y, Kimura, H, Chikamori, K
Format Journal Article
LanguageJapanese
Published 01.12.2005
Subjects
BALANCE DE ENERGIA
BARRAGE
BILAN ENERGETIQUE
CIRCULACION DEL AGUA
CIRCULATION DE L'EAU
CONDICIONES ATMOSFERICAS
CONDITIONS METEOROLOGIQUES
CONVECCION
CONVECTION
DAMS
EMBALSES
ENERGY BALANCE
INVERSION TERMICA
INVERSION THERMIQUE
METEOROLOGICAL FACTORS
REPRESAS
RESERVOIR D'EAU
TEMPERATURA DEL AGUA
TEMPERATURE DE L'EAU
TEMPERATURE INVERSION
TERMOGRAFIA
THERMOGRAPHIE
THERMOGRAPHY
WATER CIRCULATION
WATER RESERVOIRS
WATER TEMPERATURE
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Summary:Using a thermography (NEC Sanei Co's brand name Thermotracer), convection cells were researched at Kagami Dam Lake from 10, 16 and 20 of December 2003, 8, 14 and 21 of January 2004. By using the observed water surface and vertical distribution of water temperature, meteorological factors, and employing Kimura's vertical one dimensional approach for convection and heat balance-Bowen's ratio Method, sinking discharge per unit area were estimated 1.9-2.7 x 10(-5) m/s.
Bibliography:2007001238
P40
ISSN:0389-0244