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Article
Identification of seawater intrusion signatures through geochemical evolution of groundwater: a case study based on coastal region of the Mahanadi delta, Bay of Bengal, India
The study dealt with seawater intrusion process in a coastal aquifer system in the Mahanadi river delta region in the east coast of India along the Bay of Bengal. The aquifers of Mahanadi delta are characteriz...
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Article
Morphometric and sediment source characterization of the Alaknanda river basin, headwaters of river Ganga, India
Erosion and the resulting sediment load is a silent natural hazard that can affect the hydraulic processes in a fluvial system. The physical erosion rate in the Alaknanda basin is five times higher than the gl...
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Article
Total organic carbon transport by the Alaknanda River, Garhwal Himalayas, India
Transport and fate of organic carbon by the fluvial system play a significant role in the global biogeochemical cycle of carbon. Previous studies show that the transportation of modern organic carbon from the ...
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Article
Seasonal variability of grain size, weathering intensity, and provenance of channel sediments in the Alaknanda River Basin, an upstream of river Ganga, India
The Ganga River in the Indian sub-continent is amongst the highest sediment transporting rivers to the World’s oceans. Previous studies estimated that Ganga River derives >65 % of its sediment load from the Hi...
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Article
Factors responsible for temporal and spatial variations in water and sediment discharge in Ramganga River, Ganga Basin, India
The Ramganga River flows from the mountainous regions of Kumaon Himalayas, through the forests of Jim Corbett National Park and the Ganga flood plains. It is the first major tributary of the Ganga River, carry...
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Article
Grain size characteristics and provenance determination of sediment and dissolved load of Alaknanda River, Garhwal Himalaya, India
Alaknanda River is a major tributary of river Ganga in its upper catchment area. The significant feature of the river is its high rates of sediment erosion and chemical denudation. The Alaknanda River catchmen...
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Chapter and Conference Paper
Spatial and Temporal Variability in Grain Sizes of Alaknanda River
Recent studies have probed grain size analysis to understand the transport energy, deposition, source of the sediments in rivers. Sediment size also relates to the geochemical composition of the sediment and f...
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Chapter and Conference Paper
Sediment Concentration Prediction at Gangotri in the Himalayas Using Artificial Neural Networks
The present study explores for the first time, the possibility of modelling sediment concentration with Artificial Neural Networks at the source of Bhagirathi River in the Himalayas. Considering discharge, rai...
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Chapter and Conference Paper
Particle Size Characteristics of Ramganga Catchment Area of Ganga River
Rivers constitute the lifeline for any country. Both natural and anthropogenic processes influence the river processes. Recently, erosion processes and fluvial transport of materials have become a focus of rev...
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Article
ANN modelling of sediment concentration in the dynamic glacial environment of Gangotri in Himalaya
The present study explores for the first time the possibility of modelling sediment concentration with artificial neural networks (ANNs) at Gangotri, the source of Bhagirathi River in the Himalaya. Discharge, ...
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Article
Phosphorus biogeochemistry in sediments of high altitude lakes, Kumaun Himalayas, India
Kumaun Himalayan lakes, situated in the state of Uttarakhand, are one of the major tourist attractions in northern part of India. Present study is aimed to understand the behavior of phosphorus in lake sedimen...
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Article
A grain size model for role of tectonics and climate on sedimentation in Siwaliks in Mohand area
The physical characteristics of sedimentary record are governed largely by grain size distribution in Mohand area where Middle and Upper Siwalik successions are investigated to characterize the sediments depos...
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Article
Spatio-temporal variation in the hydrochemistry of Tawa River, Central India: effect of natural and anthropogenic factors
Tawa River is the biggest left bank tributary of the Narmada, the largest west-flowing river of the Indian peninsula. Central India enjoys a tropical climate, is highly urbanized, and the river flow is mostly ...
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Article
Trace metals biogeochemistry of Kumaun Himalayan Lakes, Uttarakhand, India
The increasing urbanization, along with tourism, has posed a major threat to the Kumaun Himalayan Lakes, Uttarakhand, India. The total metal concentration in the water, interstitial water, and sediments along ...
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Article
Sediment and hydro biogeochemistry of Lake Nainital, Kumaun Himalaya, India
The picturesque Nainital Lake, in the Uttarakhand state of India, is one of the major tourist attractions in the northern part of India. The increasing tourism and population around these lakes are a major con...
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Article
Enrichment and fractionation of heavy metals in bed sediments of River Narmada, India
A metal fractionation study on bed sediments of River Narmada in Central India has been carried out to examine the enrichment and partitioning of different metal species between five geochemical phases (exchan...
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Article
An experimental study of dissolution kinetics of Calcite, Dolomite, Leucogranite and Gneiss in buffered solutions at temperature 25 and 5°C
Laboratory experiments were carried out continuously for 30–35 days at 25 and 5°C in three different buffer solutions of pH 4.0, 2.2 and 8.4 to calculate dissolution rates of two minerals, calcite (CC) and dol...
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Article
Heavy Metals Fractionation in Ganga River Sediments, India
The Ganga River is the largest river in India which, originates in the Himalayas and along with the Brahmaputra River, another Himalayan river, transports enormous amounts of sediments from the Indian sub-cont...
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Article
Temporal and spatial variations in water flow and sediment load in Narmada River Basin, India: natural and man-made factors
The Narmada River flows through the Deccan volcanics and transports water and sediments to the adjacent Arabian Sea. In a first-ever attempt, spatial and temporal (annual, seasonal, monthly and daily) variatio...
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Article
Major and trace element geochemistry in upper Ganga river in the Himalayas, India
Chemical weathering and resulting water compositions in the upper Ganga river in the Himalayas were studied. For the first time, temporal and spatial sampling for a 1 year period (monthly intervals) was carrie...
