Tectonic forcing of evolution and Holocene erosion rate of ravines in the Marginal Ganga Plain, India

Ghosh, Rina; Srivastava, Pradeep; Shukla, Uma Kant; Singh, Iqbal; Ray, P. K. Champati; Sehgal, Ramesh Kumar

doi:10.1016/j.jseaes.2017.10.014

Cited by 19 publications

(11 citation statements)

References 61 publications

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“…In the southern Ganga Plain, ravine is one of the important geomorphic features in the interfluve region and studies suggest that tectonics and incision of river valley control the ravine growth. The specific sediment yield of these ravines varies between 600±100 t/km 2 /yr and 1600±200 t/km 2 /yr (Joshi, 2014;Ghosh et al, 2018), which is far higher than ~238 t/km 2 /yr as estimated for the Central Ganga Plain (Wasson et al, 2013) and way less than the erosion rates in the Himalaya (e.g., erosion rate of a terrace in the Lesser Himalaya was estimated to be ~ 3350 t/km 2 /yr).…”

Section: Discussionmentioning

confidence: 69%

Late Quaternary sedimentation history of the Himalaya and its foreland

et al. 2020

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Himalaya and its foreland acted as a coupled system that responded to the climate variability and evolved as a thrust and fold belt. The river systems draining the Himalaya, the Ganga foreland act as an artery that helps registering climate and tectonic signals into its geomorphology and sedimentary history. The paper discusses the late Quaternary landscape evolution of the mountain and its foreland and reviews the published literature in the context. It mainly focusses on the alluvial landscape and compiles the chronological data to decipher the evolution of mountain, the Ganga foreland and the delta. The review suggests that rivers in Himalaya largely aggraded during the climatic transition between the dry glacial and wet interglacial. The incision of the river valleys took place during peak of the warm interglacial periods when Indian Summer Monsoon strengthened. The Ganga plain rivers exhibit varied geomorphology that depended on the proximity to the mountain, forebulge of the foreland and type of drainage (transverse or axial). The rivers in the west are incised while those in the east are shallow and avulsive. The sedimentary history of the Ganga plain implies being forced from N-S movement of monsoon front and foreland dynamics over the past 120 ka. The delta region of Ganga has been responding to the fluctuating sea level and delta progradation (retro-gradation).

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Section: Discussionmentioning

confidence: 69%

Late Quaternary sedimentation history of the Himalaya and its foreland

et al. 2020

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“…The δ 18 O values is primarily controlled by the composition of ingested water (at constant atmospheric O 2 ) and diet to a lesser degree (Sponheimer & Lee‐Thorp, 1999). The precipitation of δ 18 O values is mainly influenced by the affecting factors such as longitudinal, latitudinal, altitude, temperature, and precipitation of a particular area as well as continentally (Sharma et al, 2004; Ghosh et al, 2018; Ghosh, Sanyal, Sangode, & Nanda, 2018). The average values of δ 18 O ew (VSMOW) of bovids WIF/A 4852 (Bovini upper molar, n = 2); WIF/A 4853 (Bovini upper molar); WIF/A 4855 (Bovini lower molar; n = 8); WIF/A 4856 (Bovini lower molar; n = 7) and WIF/A 4857 (Bovini lower molar; n = 1) are −1.9‰, −1.4‰, −2.4‰, −1.9‰, and −2.4‰ and WIF/A 4204 ( E .…”

Section: Discussionmentioning

confidence: 99%

“…After 56 ka the landscape of the MGP, no remains of large mammals are found and it is suggested that the ravine topography of the region, which would plausibly not support proboscideans growth, came into being after this (Ghosh, Sanyal, et al, 2018; Ghosh, Srivastava, et al, 2018). The Kalpi sediment core (situated along Yamuna River in the vicinity) both δ 13 C SC (soil carbonate) and δ 13 C SOM (soil organic matter) values of top floodplain dated 40 ka suggest higher abundance (70–90%) of C 4 vegetation and at 18 ka C 4 vegetation was 100% (Agrawal et al, 2012).…”

Section: Discussionmentioning

confidence: 99%

“…Yamuna River and its cratonic tributaries Betwa, Dhasan, incised into the alluvial deposit (Figure 1), exhibit 20–30 m thick cliff sections in the MGP. The main geomorphic features carved by major rivers in the MGP are upland interfluves surface (T2), river valley terrace surface (T1) and many a time, these surfaces are thickly ravined (Ghosh et al, 2018; Ghosh, Sanyal, Sangode, & Nanda, 2018; Singh, 1996b; Srivastava et al, 2003). The studied cliff sections (Figure 1) are situated along the incised valley of Yamuna (Ghosh et al, 2016; Ghosh et al, 2019) and the fossils selected for isotopic analysis were collected from the two sections the MGP, Musanagar and Jigni.…”

Section: Study Areamentioning

confidence: 99%

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Stable Isotopic studies of the herbivorous mammals from the Marginal Ganga Plain, India: implication for the palaeo‐environmental reconstruction

et al. 2022

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The reconstruction of palaeo‐vegetation and dietary habitat from vertebrate molar fragments from the Marginal Ganga plains (MGP) are rare. This study from moderately preserved fossil dentitions of herbivorous mammals collected from the two stratigraphic sections of the MGP presents carbon and oxygen isotope compositions, and provides dietary habits of large mammals in the northern Indian Alluvial tract during the Late Pleistocene. Elephas namadicus recovered from the channelized gravel litho‐unit of the Jigni section, previously dated to be 56 ± 5 ka dominantly had a C4 dietary system. It exhibits a swampy grassland landscape rather than a savannah‐type forest landscape. Bovini fossil specimens recovered from the upper part of channelized gravel litho‐unit dated between 54 ± 10 and 51 ± 5 ka, also favour a C4 dietary system suggesting pure grazers living in open grassland habitat.

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“…15–5 ka) during the phase of Early Holocene monsoon strengthening contributed to the evolution of the badlands to their present state (Sanyal & Sinha, 2010) but, akin to Gujarat, tectonics is touted as the major trigger to badlands development in the YCZ too (Ahmad, 1973, pp. 53–55; Ghosh et al, 2018).…”

Section: Badlands Genesis In Western and Central Indiamentioning

confidence: 99%