Larger floods of Himalayan foothill rivers sustained flows in the Ghaggar-Hakra channel during Harappan age

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dc.contributor.author Singh, Ajit
dc.contributor.author Jain, Vikrant
dc.contributor.author Danino, Michel
dc.contributor.author Chauhan, Naveen
dc.contributor.author Kaushal, Rahul Kumar
dc.contributor.author Guha, Shantamoy
dc.contributor.author Prabhakar, V. N.
dc.coverage.spatial United States of America
dc.date.accessioned 2021-05-27T13:33:03Z
dc.date.available 2021-05-27T13:33:03Z
dc.date.issued 2021-05
dc.identifier.citation Singh, Ajit; Jain, Vikrant; Danino, Michel; Chauhan, Naveen; Kaushal, Rahul Kumar; Guha, Shantamoy and Prabhakar, V. N., "Larger floods of Himalayan foothill rivers sustained flows in the Ghaggar-Hakra channel during Harappan age", Journal of Quaternary Science, DOI: 10.1002/jqs.3320, vol. 36, no. 4, pp. 611-627, May 2021. en_US
dc.identifier.issn 0267-8179
dc.identifier.issn 1099-1417
dc.identifier.uri https://doi.org/10.1002/jqs.3320
dc.identifier.uri https://repository.iitgn.ac.in/handle/123456789/6528
dc.description.abstract The human-landform interaction in the region of the Ghaggar-Hakra palaeochannel in the northwest Indo-Gangetic plains during the Bronze Age Indus/Harappan civilisation (~4.6-3.9 thousand years before the present, ka bp) remains an enigmatic case due to a paucity of evidence regarding the hydrology of the then existing river. Here, we estimated the palaeohydrology of the foothill Markanda River in the sub-Himalayan catchment of the Ghaggar-Hakra (G-H) palaeochannel. Our morphology and chronology results show aggradation of a fan (57.7 ka) during the Late Pleistocene and T-1 to T-5 fluvial terraces (13.1 to 6.0 ka) during the terminal Pleistocene to Holocene, and deposition of palaeoflood sediments (3.9-3.8 ka) over the T-3 terraces during the Late Holocene. Considering the known uplift rates along the Himalayan frontal thrust, and our estimated aggradation rates, we derived channel palaeogeometry and calculated peak discharge at the site of palaeoflood deposits. We conclude that the Markanda River's peak discharge was several orders of magnitude higher during the Late Holocene than the modern-day peak discharge of 100-year return period. The palaeoflood deposits represent larger flooding of the foothill rivers that sustained flows in the downstream reaches of the Ghaggar-Hakra palaeochannel during the Late Harappan civilisation.
dc.description.statementofresponsibility by Ajit Singh, Vikrant Jain, Michel Danino, Naveen Chauhan, Rahul Kumar Kaushal, Shantamoy Guha and V. N. Prabhakar
dc.format.extent vol. 36, no. 4
dc.language.iso en_US en_US
dc.publisher Wiley en_US
dc.subject Ghaggar-Hakra en_US
dc.subject Harappa en_US
dc.subject Indus civilization en_US
dc.subject Markanda valley en_US
dc.subject palaeoflood en_US
dc.subject Sarasvati en_US
dc.title Larger floods of Himalayan foothill rivers sustained flows in the Ghaggar-Hakra channel during Harappan age en_US
dc.type Article en_US
dc.relation.journal Journal of Quaternary Science


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