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Please use this identifier to cite or link to this item: http://repository.iitr.ac.in/handle/123456789/25450
Title: Late Quaternary glaciation history of monsoon-dominated Dingad basin, central Himalaya, India
Authors: Shukla T.
Mehta M.
Jaiswal M.K.
Srivastava, P.
Dobhal D.P.
Nainwal H.C.
Singh A.K.
Published in: Quaternary Science Reviews
Abstract: The study presents the Late Quaternary glaciation history of monsoon-dominated Dokriani Glacier valley, Dingad basin, central Himalaya, India. The basin is tested for the mechanism of landforms preservation in high relief and abundant precipitation regimes of the Higher Himalaya. Field geomorphology and remote sensing data, supported by Optical Stimulated Luminescence (OSL) dating enabled identification of five major glacial events of decreasing magnitude. The oldest glacial stage, Dokriani Glacial Stage I (DGS-I), extended down to ∼8 km (2883 m asl) from present-day snout (3965 m asl) followed by other four glaciations events viz. DGS-II, DGS-III, DGS-IV and DGS-V terminating at ∼3211, 3445, 3648 and ∼3733 m asl respectively. The DGS-I glaciation (∼25–∼22 ka BP) occurred during early Marine Isotope Stage (MIS) −2, characterized as Last Glacial Maximum (LGM) extension of the valley. Similarly, DGS-II stage (∼14–∼11 ka BP) represents the global cool and dry Older Dryas and Younger Dryas event glaciation. The DGS-III glaciation (∼8 ka BP) coincides with early Holocene 8.2 ka cooling event, the DGS-IV glaciations (∼4–3.7 ka BP) corresponds to 4.2 ka cool and drier event, DGS-V (∼2.7–∼1 ka BP) represents the cool and moist late Holocene glacial advancement of the valley. This study suggests that the Dokriani Glacier valley responded to the global lowering of temperature and variable precipitation conditions. This study also highlights the close correlation between the monsoon-dominated valley glaciations and Northern Hemisphere cooling events influenced by North Atlantic climate. © 2017 Elsevier Ltd
Citation: Quaternary Science Reviews, 181: 43-64
URI: https://doi.org/10.1016/j.quascirev.2017.11.032
http://repository.iitr.ac.in/handle/123456789/25450
Issue Date: 2018
Publisher: Elsevier Ltd
Keywords: Central Himalaya
Last Glacial Maxima
Monsoon forcing
Northern Hemisphere cooling
Optically stimulated luminescence dating
ISSN: 2773791
Author Scopus IDs: 56723875500
35364812000
57210224958
57202563023
6602368113
6507617382
55757781688
Author Affiliations: Shukla, T., Centre for Glaciology, Wadia Institute of Himalayan Geology, Dehradun, Uttarakhand 248001, India, HNB Garhwal University, Srinagar, Garhwal, Uttarakhand 246174, India
Mehta, M., Wadia Institute of Himalayan Geology, Dehradun, Uttarakhand 248001, India
Jaiswal, M.K., Indian Institute of Science and Education Research Kolkata, Mohanpur, West Bengal 741 246, India
Srivastava, P., Wadia Institute of Himalayan Geology, Dehradun, Uttarakhand 248001, India
Dobhal, D.P., Centre for Glaciology, Wadia Institute of Himalayan Geology, Dehradun, Uttarakhand 248001, India
Nainwal, H.C., HNB Garhwal University, Srinagar, Garhwal, Uttarakhand 246174, India
Singh, A.K., Indian Institute of Science and Education Research Kolkata, Mohanpur, West Bengal 741 246, India
Funding Details: The authors are thankful to Director, Wadia Institute of Himalayan Geology, Dehra Dun for providing the necessary facility for this research. We are also thankful to Department of Science and Technology, Ministry of Science, Government of India for financial support to carry out this work. We are thankful to the editor Neil Glasser for his support during the review process and two anonymous reviewers for their helpful advice to improve the manuscript significantly. We thankfully acknowledge watch and ward of Dokriani Glacier and center for glaciology staff for their help and support during sample analysis and field data collection. Department of Science and Technology, Ministry of Science and Technology, DST
Corresponding Author: Shukla, T.; Centre for Glaciology, 33, GMS Road, India; email: tanujshukla.geo001@gmail.com
Appears in Collections:Journal Publications [ES]

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