Sedimentation rate in North Indian lakes estimated using 137 Cs and 210 Pb dating techniques
2007; Indian Academy of Sciences; Volume: 92; Issue: 10 Linguagem: Inglês
ISSN
0011-3891
AutoresBhishm Kumar, S. P., Rm. P. Nachiappan, U. Saravana Kumar, Surjeet Singh, V. K. Diwedi,
Tópico(s)Geological formations and processes
ResumoIn the present study, recent sedimentation rates in Nainital, Bhimtal, Sattal and Naukuchiatal lakes, Uttarakhand; Mansar and Dal lakes, Jammu and Kashmir, and Sagar and Bhopal lakes, Madhya Pradesh have been determined employing 210 Pb and 137 Cs dating techniques. The results indicate comparatively higher sedimentation rates in certain western Himalayan lakes such as Dal, Nainital and Bhimtal than in Sattal, Naukuchiatal and Mansar. The Bhopal lake is getting silted at a higher rate than the Sagar lake. The observed sedimentation pattern reveals that sedimentation rate decreases from near-shore to far-shore and is a minimum at the central and deepest part in lakes of western Himalayas, while Sagar and Bhopal lakes have a different pattern of sedimentation.
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