Abstract
For six sediment cores collected from Yamuna river (tributary of Ganges) around Delhi, rate of sedimentation was determined by the226Ra−210Pb method. While an average rate of 42 mm/y is obtained, there are variations core to core. A clear-cut downstream increase in the rate, from 5 mm/y when the river enters Delhi, to 80 mm/y when it leaves Delhi, indicates solid waste contribution from the urban areas. The sediment flux of 4000 mg/cm2/y is not balanced by the calculated rate of erosion (40 tonnes/km2/y) in the river. Thus, much of the sediment flux is of local origin.
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Subramanian, V., Sitasaward, R. & Joshi, L.U. Rate of sedimentation in the Yamuna river around Delhi using the226Ra−210Pb method. Journal of Radioanalytical and Nuclear Chemistry, Articles 90, 271–276 (1985). https://doi.org/10.1007/BF02060782
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DOI: https://doi.org/10.1007/BF02060782