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35 articles for “River Assessment”
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Research ArticleOpen accessIn the abstractEcological Monitoring of Danube water Quality in Budapest RegionHosam E.A.F. Bayoumi Hamuda, Istvan PatkoProblem statement: Serious health problems and other economic costs related to water treatment, remediation and locating a new water supply, become an evidence of water pollution caused by human activities. The main problems of the Danube River basin are associated with nutrients, organic pollution and hazardous pollutants. The aim of the study is to assess the surface water of the … …American Journal of Environmental Sciences, Vol. 8, Issue 3 · 5 Apr 2012 · 9,032 accessesView PDFCite
Research ArticleOpen accessIn the abstractRare Earth Elements and Geochemical Partitioning of Zn and Pb in Sediments of an Urban RiverShaila Sharmin, H. M. Zakir, Naotatsu ShikazonoProblem statement: Urban river sediment pollution due to Zn and Pb is a serious problem in all over the world. The source and level of Zn and Pb pollution in sediments of Nomi River of Ota Ward, one of the most industrialized areas in Tokyo, Japan is still lacking. Approach: The present study focused on Rare Earth Elements (REEs) and … …American Journal of Environmental Sciences, Vol. 6, Issue 5 · 31 Oct 2010 · 6,966 accessesView PDFCite
Research ArticleOpen accessIn the abstractChemical Contaminants and Toxicity of Ganga River Sediment from Up and Down Stream Area at KanpurK. R. Beg, S. AliThe objective of this study was the sediment quality assessment of Ganga River at Kanpur city where effluents from tannery industries are discharged. Sediment samples from upstream and downstream area were collected and analyzed for trace metals and toxicity bioassay. Among various trace metals examined Cr in downstream sediment was 30-fold higher than in upstream sediment and its concentration was … …American Journal of Environmental Sciences, Vol. 4, Issue 4 · 31 Aug 2008 · 7,601 accessesView PDFCite
Research ArticleOpen accessIn the abstractEvaluation of Nitrogen Non-Point Sources in Po River Near TurinGiuseppe Genon, Franco MarcheseThe non-point hydraulic and nitrogen loads in the stretch of Po river upstream and downstream from the city of Turin have been investigated, on the basis of regular data concerning quality and flow rates in the river in different periods of a reference year. The collected data have been organized in terms of hydraulic and mass balances, taking into account … …American Journal of Environmental Sciences, Vol. 3, Issue 3 · 30 Sep 2007 · 6,642 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffects of Land Cover on Streamflow Variability in a Small Iowa Watershed: Assessing Future VulnerabilitiesKeith Schilling, Matthew Streeter, Kasey Hutchinson et al.Agricultural expansion and urbanization, coupled with climate change represent major threats to the sustainability of river ecosystems and infrastructure. In this study, we evaluated how subbasins with different dominant land covers within the 27.5 km2 Clear Creek, IA watershed affect key hydrologic indicators. Hydrologic output from two stream gages and a calibrated Soil Water Assessment Tool (SWAT) model were used … …American Journal of Environmental Sciences, Vol. 11, Issue 4 · 6 Jul 2015 · 8,367 accessesView PDFCite
Research ArticleOpen accessIn the abstractENVIRONMENTAL CRITIQUE ON WATER SECTORAL ENVIRONMENTAL IMPACT ASSESSMENT OF BANGLADESHShahriar RahmanThe water resources sector of Bangladesh relies on the Environmental Impact Assessments (EIAs) to assess the possible positive and negative impacts on the environmental and social components of the project affected areas. The motivation of this research was to identify the key environmental components, gaps and lapses of current EIA practices in water resources sector of Bangladesh. Under the motivation, … …American Journal of Environmental Sciences, Vol. 10, Issue 3 · 19 Apr 2014 · 7,467 accessesView PDFCite
Research ArticleOpen accessIn the abstractSHALE GAS EXTRACTION AND WATER CONSUMPTION IN NORTH CAROLINA: A PRIMERManoj K. Jha, Daniel G. FernandezAbout 25,000 acres of area underlying the Deep and Dan River Basins in North Carolina has been identified to contain large shale gas reservoirs that could be used for the natural gas production. This study attempted to quantify the impact of potential hydraulic fracturing (or fracking) activities in the existing water resources of North Carolina. Supply and demand analysis was … …American Journal of Engineering and Applied Sciences, Vol. 7, Issue 1 · 10 Apr 2014 · 8,029 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordComparability Assessment of Polycyclic Aromatic Hydrocarbons Tissue Load in Some Fish: Implication on Reciprocal Synergism and Risk AssessmentVictor Eshu Okpashi, Ogugua Victor Nwadiogbu, Joshua Parkar Elijah et al.Six years after oil spill occur in Qua Ibeo river, environmental monitoring was set out to investigate residual petroleum compounds (PHCs) that are bio-accumulated by fish. Bio-concentration of residual Polycyclic Aromatic Hydrocarbons (PAHs) in fish tissues was determined in six fresh fish species. Twelve water samples were collected from Qua Ibeo river 1 KM apart. The screening was conducted using … …American Journal of Environmental Sciences, Vol. 13, Issue 2 · 12 Apr 2017 · 7,541 accessesView PDFCite
Review ArticleOpen accessAll words, across the recordThe Status of Pollutants in the Three Gorges Reservoir Area, China and its Ecological Health AssessmentChun-Jiao Lu, Dan Luo, Muhammad Junaid et al.The Three Gorges Reservoir Area (TGRA) stretches along the Yangtze River from Jiangjin District, Chongqing to Yichang, Hubei in China. Since TGRA is the main source of drinking water and fresh fishery in China for millions of people, both researchers and the government have concerns for environmental pollution and ecological security in the TGRA. This review highlighted the status and … …American Journal of Environmental Sciences, Vol. 12, Issue 5 · 28 Sep 2016 · 7,925 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordThe Content of Heavy Metal in the Labu Riverbed Sediments: An Assessment of the Level of Pollution Applying Sediment Quality Guidelines and Geoaccumulation IndexAhmad Shoaib Jahesh, Sahibin Abd Rahim, Wan Mohd Razli IdrisRiver bed sediments from thirteen (13) sampling stations, from Labu River were collected in June and December 2014. The aim is to identify the source and ascertain the current levels of heavy metal pollutions. The selected heavy metals (Cr, Cu, Fe, Ni, Zn, As, Cd and Pb) were analysed by using Inductively Couple Plasma Mass Spectrophotometry (ICPMS). Metals were statistically … …American Journal of Environmental Sciences, Vol. 12, Issue 4 · 10 Aug 2016 · 7,402 accessesView PDFCite