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Journal of Environmental Hydrology
ISSN 1058-3912 |
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Electronic Journal of the International Association for
Environmental Hydrology
JEH Volume 15 (2007), Paper 3 Posted January 31, 2007 MATHEMATICAL MODELS FOR ESTIMATING DOWNWELLING LONG-WAVE RADIATION, TIGRIS RIVER FROM MOSUL TO BEJEE, IRAQ
Riyad Hassan Al-Anbari ABSTRACT Water temperature is one of the most important physical characteristics of aquatic systems. The governing equations of fluid motion and of heat conservation constitute the basis of a mathematical model for water temperature simulation. For the purposes of water temperature modeling, long-wave radiation is specified as one of two types: downwelling radiation is emitted by the atmosphere, upwelling radiation is emitted by the water surface. Mathematical models of temperature for many rivers in the world have been established, but there is not one for the Tigris River in Iraq. This work is an effted near the Tigris River. Daily, weekly and monthly downwelling long-wave radiation with cloudiness were calculated using data from Mosul and Bejee meteorological stations. Correlation coefficients show that monthly averages can ort to estimate downwelling long-wave radiation from Mosul to Bejee which are locabe taken to represent the simulation period. Linear regression coefficients of downwelling long-wave radiation from Mosul to Bejee have been established for any time, distance and cloudiness. Reference: Al-Anbari, R.H. 2007. Mathematical models for estimating downwelling long-wave radiation, Tigris River from Mosul to Bejee, Iraq. Journal of Environmental Hydrology, Vol. 15, Paper 3. CONTACT: Riyad Hassan Al-Anbari University of Technology Baghdad, Iraq E-mail: riyadhassan2003@yahoo.com |
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