| BED MORPHOLOGY OF THE KOSI RIVER, GANGETIC PLAINS |
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| 作者姓名： | Prabhata K. SWAMEE Barham PARKASH and Harbhajan SINGH Prof. Civil Engrg. Dept. Univ. of Roorkee Roorkee India Prof. Earth Sciences Dept. Univ. of Roorkee Roorkee |
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| 作者单位： | Prabhata K. SWAMEE1，Barham PARKASH2 and Harbhajan SINGH3 1 Prof.，Civil Engrg. Dept.，Univ. of Roorkee，Roorkee 247 667，India，2 Prof.，Earth Sciences Dept.，Univ. of Roorkee，Roorkee 247 6 |
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| 摘 要： |
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BED MORPHOLOGY OF THE KOSI RIVER, GANGETIC PLAINS |
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| Prabhata K. SWAMEE,Barham PARKASH and Harbhajan SINGH Prof.,Civil Engrg. Dept.,Univ. of Roorkee,Roorkee ,India, Prof.,Earth Sciences Dept.,Univ. of Roorkee,Roorkee .BED MORPHOLOGY OF THE KOSI RIVER, GANGETIC PLAINS[J].International Journal of Sediment Research,2002,17(1). |
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| Authors: | Prabhata KSWAMEE Barham PARKASH Harbhajan SINGH |
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| Abstract: | A mathematical model for simulating morphological changes in space and time of the 124 km long alluvial reach of the Kosi River based on the data in the period 1968-79 is developed. Equations are obtained to describe the changes of streambed parameters such as minimum bed level, river width and maximum river depth. Fourier sine series are used to fit the river cross-sections over the studied reach for different years. The general trend of a stream cross-section can be modeled satisfactorily with the Fourier sine series. Temporal variations in bed level and width of the river have time periods of about 7 year and 3.2-4.3 years, respectively, and are controlled by mean annual discharge with a time period of 13.9 years. |
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| Keywords: | Kosi River Alluvial stream Morphology Riverbed level Cross section Depth Fourier series Mean discharge |
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