Search Results - "Karbassi, A. R."
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Assessment of input variables determination on the SVM model performance using PCA, Gamma test, and forward selection techniques for monthly stream flow prediction
Published in Journal of hydrology (Amsterdam) (03-05-2011)“…► Role of three input selection is evaluated on SVM performance for prediction of monthly stream flow. ► Comparison among the developed SVM and ANN models is…”
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Multivariate statistical analysis of surface water quality based on correlations and variations in the data set
Published in Desalination (30-09-2010)“…In the research, determination of principal and non-principal monitoring stations was carried out using principal component analysis (PCA) technique for the…”
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3
Metal pollution assessment of sediment and water in the Shur River
Published in Environmental monitoring and assessment (01-12-2008)“…Intensified industrialization and human activities have resulted in the release of various contaminants into the environment. Among them, heavy metals are…”
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An investigation on role of salinity, pH and DO on heavy metals elimination throughout estuarial mixture
Published in Global journal of environmental science and management (01-12-2015)“…One of the most paramount processes that play a considerable role in reducing the concentration of heavy metals during estuarine mixing is flocculation. Not…”
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5
Sorbed metals fractionation and risk assessment of release in river sediment and particulate matter
Published in Environmental monitoring and assessment (01-02-2013)“…Fractionation of metals in natural sediment and suspended particulate matter (SPM) of Tadjan River is investigated. Competitive sorption, sorption capacities…”
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6
Environmental management of coastal regions in the Caspian Sea
Published in International journal of environmental science and technology (Tehran) (2008)“…Considering rapid population growth and migration, higher accumulation of communities is noticed in coastal areas. This is especially true with the coastal…”
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7
Evaluation of spatial and seasonal variations in surface water quality using multivariate statistical techniques
Published in International journal of environmental science and technology (Tehran) (2009)“…In this study, spatial and seasonal variations of water quality in Haraz River Basin were evaluated using multivariate statistical techniques, such as cluster…”
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8
Heavy metal pollution in water and sediments in the Kabini River, Karnataka, India
Published in Environmental monitoring and assessment (01-11-2011)“…The River Kabini in Karnataka, India carries natural and anthropogenic pollutants, mainly heavy metal concentrations of Cr, Cu, Fe, Mn, Ni, Pb and Zn which are…”
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Impact of oil excavation activities on soil metallic pollution, case study of an Iran southern oil field
Published in Environmental earth sciences (01-10-2013)“…The Ahvaz oil field located in southern Iran has been identified as a possible point of elemental pollution, since elevated levels of metallic pollution (As,…”
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10
A framework development for predicting the longitudinal dispersion coefficient in natural streams using an artificial neural network
Published in Environmental progress & sustainable energy (01-10-2011)“…The main objective of the present investigation is to predict longitudinal dispersion coefficient (Kx) in natural streams using artificial neural network (ANN)…”
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Development and application of reduced-order neural network model based on proper orthogonal decomposition for BOD5 monitoring: Active and online prediction
Published in Environmental progress & sustainable energy (01-04-2013)“…This study aims at providing a reduced‐order neural network model (RONNM) based on proper orthogonal decomposition (POD) for online prediction of the 5 days…”
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Effect of pH and salinity on flocculation process of heavy metals during mixing of Aras River water with Caspian Sea water
Published in Environmental earth sciences (01-07-2014)“…The flocculation process of metals can play an effective and important role in self-purification of metals during the mixing of freshwater with seawater in…”
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13
Water chemistry and radon concentrations of thermal springs in Bastak area, south of Persia
Published in Journal of radioanalytical and nuclear chemistry (01-06-2015)“…Physicochemical factors, major and some minor ions and 222 Rn concentration was measured in Todruyeh, Fotuyeh and Sanguyeh thermal balneutherapy springs in…”
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14
Evaluating the metallic pollution of riverine water and sediments: a case study of Aras River
Published in Environmental monitoring and assessment (2013)“…Metallic pollution caused by elements Zn, Cu, Fe, Pb, Ni, Cd, and Hg in water and sediments of Aras River within a specific area in Ardabil province of Iran is…”
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15
Sustainability of energy production and use in Iran
Published in Energy policy (01-10-2007)“…The issue of oil and gas policies in Iran is rather complex. In the present investigation, it is aimed to formulate plans for increasing the capacity of the…”
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16
Designing a developed model for assessing the disaster induced vulnerability value in educational centers
Published in Safety science (01-06-2011)“…[Display omitted] ► In the provided model, a vulnerability assessment, which would not be affected by the assessors’ personal judgment, was outlined. ► The…”
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Influence of Sungun copper mine on groundwater quality, NW Iran
Published in Environmental earth sciences (01-08-2009)“…Sungun mine is the largest open-cast copper mine in northwest of Iran and is in the primary stages of extraction. The influence of mining activity on the…”
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18
Role of metal species in flocculation rate during estuarine mixing
Published in International journal of environmental science and technology (Tehran) (2010)“…Flocculation can be considered as an effective mechanism in self-purification of metals during estuarine mixing. In the present investigation, flocculation of…”
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19
Origin and chemical partitioning of heavy metals in riverbed sediments
Published in International journal of environmental science and technology (Tehran) (2006)“…In the present investigation, bulk and chemical partitioning of elements in the Shefa-Rud riverbed sediments are studies. Higher concentrations of elemental…”
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Behavior of Cu, Zn, Pb, Ni and Mn during mixing of freshwater with the Caspian Sea water
Published in Desalination (15-09-2008)“…Behavior of metals during estuarine mixing can significantly influence the chemical mass balance between rivers and seas or lakes. Present investigation…”
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