Imprints of Neo-tectonism in the Evolutionary Record Along the Course of Khari River in Damodar Fan Delta of Lower Ganga Basin

Barman, Suman Deb; Islam, Aznarul; Das, Balai Chandra; Mandal, Sunipa; Pal, Subodh Chandra

doi:10.1007/978-3-319-90427-6_6

Cited by 10 publications

(1 citation statement)

References 35 publications

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“…Surge in industrial activities along with rising population has led to construction of dams, barrages, and canal across the Ganga and its tributaries to encounter the increased requirements of energy and food, leading to alteration in flow. Ganga basin is also experiencing a significant increase in construction activities which has led to increased rate of mining from Ganga River and its tributaries which is adversely affecting the morphology of the river (Barman et al 2019;Park et al 2020). The flow of the river is also influenced by rituals.…”

Section: Farakkamentioning

confidence: 99%

Trend analysis of hydrological parameters of Ganga River

Zakwan

Ahmad

2021

Arab J Geosci

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Ganga River basin, being the largest river basin in India, adheres with its social and spiritual importance for the country. Although many studies have been conducted on the Ganga basin, however, trend observed in flow and sediment yield in Ganga River has been scarcely studied. Alteration in flow pattern and sediment transport in rivers brings remarkable impact on river geomorphology and entire ecosystem of the region. The present paper attempts to identify trends observed in Ganga River in terms of annual maximum and annual minimum discharges, water and sediment yield during monsoon season. The trend analysis was accomplished by performing the Mann-Kendall (M-K), Sen's slope, and innovative trend analysis at various gauging sites along the river for the monsoon months. Significance of trend tests were tested at 5% significance level. Innovative trend analysis (ITA) revealed non-monotonicity within the time series and provided more detailed understanding of changes in hydrological changes. While observed annual maximum discharge showed a negative trend at almost all the sites, annual minimum discharge showed positive trend at gauging sites upstream of confluence of Yamuna River. Data of discharge and sediment load for monsoon months also revealed declining trends at most of the gauging sites. Water and sediment yields at all sites except Gandhighat showed a negative trend. Decline in trend of sediment and water yield is more pronounced in Western Ganga Plain (WGP) as compared to Eastern Ganga Plain (EGP). Incorporating these trends can be helpful for various water management projects in the future. Both climatic factors and human intervention appear to be responsible for the alteration in flow pattern of Ganga River.

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Section: Farakkamentioning

confidence: 99%