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Dissolved arsenic in the shallow alluvial aquifers in North Brahmaputra Plain, India: a case study in and around lower Jia Bharali River basin

This study was carried out to investigate Arsenic (As) contamination in the alluvial aquifers of the lower Jia Bharali catchment and adjoining areas in Sonitpur district of Assam. Samples were ... , Srivastava RB , Sarma HP ( 2011 ) Groundwater arsenic contamination in the Brahmaputra River basin: a water quality assessment in the Golaghat (Assam), India . Environ Monit Assess 173 : 371 - 385 Das B

Assessment of groundwater quality of Ballia district, Uttar Pradesh, India, with reference to arsenic contamination using multivariate statistical analysis

A total of 22 water quality parameters were selected for the analysis of groundwater samples with reference to arsenic contamination. Samples were collected in the pre-monsoon and monsoon seasons of ... water system. The objective of the present paper is to analyze the groundwater quality of two different blocks (Reoti and Belahari) of the Ballia district, Uttar Pradesh, India, with emphasis on arsenic

Future changes in hydro-climatic extremes in the Upper Indus, Ganges, and Brahmaputra River basins

Future hydrological extremes, such as floods and droughts, may pose serious threats for the livelihoods in the upstream domains of the Indus, Ganges, Brahmaputra. For this reason, the impacts of ... Brahmaputra. Study area Future changes in hydrological extremes are assessed for the upstream parts of three major river basins with origins in the Hindu KushÐHimalaya (HKH): the Upper Indus Basin (UIB), the

Hydrochemical characteristics and spatial analysis of groundwater quality in parts of Bundelkhand Massif, India

The tribulations of water quality have become more serious than the quantity, as the environmental evils are getting more severe day by day in different parts of the world. Large number of components ... , and indicate if changes were made. Ali SA ( 1988 ) Morphometric analysis of the Hiyunl River Basin at Rishikesh, Garhwal Himalayas, India . In Proceedings of the IX Asian conference on remote sensing

Quality of water resources in Kullu Valley in Himachal Himalayas, India: perspective and prognosis

are impacting the land use/cover changes and also endangering the water resources both in quality and quantity. This paper elaborates the systematic investigation carried out on different attributes ... security in the upper catchment area of the river Beas, Kullu Valley , Himachal Pradesh, India. Geoenviron Disasters 3 ( 1 ): 3 Rachna Bhatti (2016) Ground Water Year Book Himachal Pradesh (2014-2015

Comparative evaluation of GIS-based landslide susceptibility mapping using statistical and heuristic approach for Dharamshala region of Kangra Valley, India

Wadia Institute of Himalayan Geology , Dehradun , India Background: The Dharamshala region of Kangra valley, India is one of the fastest developing Himalayan city which is prone to landslide events ... of this hilly state such as Kangra Valley which rests at the Himalayan foothills and experiences number of landslide episodes in various parts every year. Some parts of district Kangra, Himachal

Evaluation of Physicochemical Characteristics of Various River Water in India

Kasi, Mahanadi Katak, Cauveri river Tiruchirapalli station during (July - August) seasons in the year 2009. The different sites show significant enrichment with Zn, Fe, Ni, Cr, Ca and Mg indicating input ... hydrazine of samples were compared with standard values recommended by Bureau of Indian standard (BIS). River pollution; Water Quality; Physicochemical characteristics; COD; BOD Introduction India is rich

Heavy metals in Yinma River sediment in a major Phaeozems zone, Northeast China: Distribution, chemical fraction, contamination assessment and source apportionment

Yinma River is a typical river in the major Phaeozems zone of Northeast China. It has been suffering an increasing environmental pressure from heavy metal contamination due to the rapid development ... collected from 19 sites along Yinma River and its tributaries during different seasons in 2016, i.e., pre-monsoon season (May), monsoon season (August), and post-monsoon season (October). Samples that

The importance of sediments in ecological quality assessment of stream headwaters: embryotoxicity along the Nidda River and its tributaries in Central Hesse, Germany

previous work in that field, this study was conducted to assess the impact of surface water and sediment on fish embryos in the case of a highly anthropogenically influenced river catchment in Central Hesse ... enters the River Main near Frankfurt. With a length of 89.7 km, the Nidda counts among the most important water bodies in Hesse. Along its course, agriculture prevails but also grassland, settlements and

Multivariate statistical evaluation of heavy metals in the surface water sources of Jia Bharali river basin, North Brahmaputra plain, India

The aim of this study was to assess the quality of surfacewater sources in the Jia Bharali river basin and adjoining areas of the Himalayan foothills with respect to heavy elements viz. (As, Cd, Cr ... Fuefuki river using stable isotope method . Bachelor thesis , Department of Eco social System Engineering, University of Yamanashi, Japan (in Japanese) Goswami DC ( 1985 ) Brahmaputra river, Assam, India

Groundwater arsenic contamination from parts of the Ghaghara Basin, India: influence of fluvial geomorphology and Quaternary morphostratigraphy

A groundwater arsenic (As) distribution in Faizabad, Gonda, and Basti districts of Uttar Pradesh is shown in the entrenched channels and floodplains of the Ghaghara River. Tubewell water samples were ... Bangladesh and West Bengal are reported in Fig. 7 Google satellite imagery showing distribution of arseniccontaminated tubewells in entrenched channels and floodplains of the Ghaghara River different parts of

Taxonomy and physiology of Pseudoxanthomonas arseniciresistens sp. nov., an arsenate and nitrate-reducing novel gammaproteobacterium from arsenic contaminated groundwater, India

Reductive transformation of toxic arsenic (As) species by As reducing bacteria (AsRB) is a key process in As-biogeochemical-cycling within the subsurface aquifer environment. In this study, we have ... :// 2014 .42 PMID: 24671084 23. Sarkar A , Kazy SK. , Sar P . Characterization of arsenic resistant bacteria from arsenic rich groundwater of West Bengal, India . Ecotoxicol. 2013 ; 22

Present to future sediment transport of the Brahmaputra River: reducing uncertainty in predictions and management

The Brahmaputra River in South Asia carries one of the world’s highest sediment loads, and the sediment transport dynamics strongly affect the region’s ecology and agriculture. However, present ... size distributions from several locations along the Brahmaputra River. The average grain size distribution was calculated from Goswami’s (1985) finest (bed sample) and coarsest sample (bar sample) and

Sedimentary signals of recent faulting along an old strand of the San Andreas Fault, USA

-evaluate the complex history of the San Andreas Fault along a restraining bend in southern California (USA). The Mission Creek strand of the San Andreas Fault is a major geologic structure with ~90 km of ... , and the distribution of earthquakes1,2,3,4. Relative motion of the Pacific and North American plates is accommodated along multiple faults that make up the San Andreas Fault System5,6 (Fig. 1). Numerous

The Fate of arsenic in Noah’s Flood

dissolved. The modern distribution of arsenic gives evidence of this; the element is often concentrated in large sedimentary basins adjacent to orogenic belts. It appears that arsenic sulfides (formed during ... (Snelling 2009) . Arsenic concentrations in modern could then be used along with the concentration of arsenic in the igneous rock vary greatly and it is hard to determine an average for Earth’s crust to

Quantifying the connections—linkages between land-use and water in the Kathmandu Valley, Nepal

stream health, water quality, and streamflow data from nine perennial watersheds in the Kathmandu Valley, Nepal, in the 2016 monsoon (i.e., August and September) and 2017 pre-monsoon (i.e., April and May ... ; Shah and Shah 2012) . Shah and Shah (2013) presented benthic macroinvertebrate assemblage as an indicator of ecological status along the Bagmati River and a few tributaries in the Kathmandu Valley

Effect of the natural arsenic gradient on the diversity and arsenic resistance of bacterial communities of the sediments of Camarones River (Atacama Desert, Chile)

and functional characterization of bacterial communities associated to metal-rich sediments from three sites of the river (sites M1, M2 and M3), showing different arsenic concentrations, were evaluated ... reduction (arsC) investigated. Bacterial communities showed a moderate diversity which increased as arsenic concentrations decreased along the river. Sequences of the dominant taxonomic groups (abundances 1

Smart lost circulation materials for productive zones

zones, failing to seal large fractures or plugging drilling tools. Here, we propose a new class of smart expandable lost circulation material (LCM) to remotely control the expanding force and ... series of experiments to measure the sealing efficiency of these smart LCMs as a proof of concept study. Various slot disk sizes were used to mimic different size fractures in the formation. The API RP 13B

Exploring impacts and livelihood vulnerability of riverbank erosion hazard among rural household along the river Padma of Bangladesh

, different government and non-government organizations, informal interview, questionnaire survey and Focused Group Discussion; and analyzed through different computer program and index. Results From the study ... of the largest river systems in the world. Along its 2526 km course to the confluence with the Meghna, it crosses China, Nepal, India and Bangladesh, making it a quintessential international river