Migration of pollutants in groundwater: I. reduction of numerical dispersion by conformal mapping.

abstract：:The mining activities in the Lepanto Cu-Au Mine which is situated within the Mankayan Mineral District in the Philippines have exposed the arsenic (As)-rich copper (Cu)-gold (Au) and polymetallic ores to surface conditions. Cu and As dispersal into nearby soils and waters could pose health hazards to the natural ecosy...

journal_title：Environmental monitoring and assessment

authors： Claveria RJR,Perez TR,Perez REC,Algo JLC,Robles PQ

更新日期：2019-02-26 00:00:00

abstract：:Rivers are amongst the most threatened ecosystems in Europe. To prevent further degradation and to improve their ecological status, effective mitigation and restoration actions are needed. Those actions are primarily based on the precision of the ecological assessment results. This study aims to assess the ecological ...

journal_title：Environmental monitoring and assessment

authors： Rodrigues C,Alves P,Bio A,Vieira C,Guimarães L,Pinheiro C,Vieira N

更新日期：2019-08-28 00:00:00

abstract：:Soil salinization and desalinization are complex processes caused by natural conditions and human-induced risk factors. Conventional salinity risk identification and management methods have limitations in spatial data analysis and often provide an inadequate description of the problem. The objectives of this study wer...

journal_title：Environmental monitoring and assessment

authors： Zhou D,Xu J,Wang L,Lin Z,Liu L

更新日期：2015-07-01 00:00:00

abstract：:The activity concentrations of soil samples collected from thirty different locations of Malwa region of Punjab were determined by using HPGe detector based on high-resolution gamma spectrometry system. The range of activity concentrations of 226Ra, 232Th and 40K in the soil from the studied areas varies from 18.37 Bq...

journal_title：Environmental monitoring and assessment

authors： Mehra R,Singh S,Singh K,Sonkawade R

更新日期：2007-11-01 00:00:00

abstract：:Spatial interpolation methods are widely used to estimate some ecological and environmental parameters that are difficult to measure. One of these parameters is forest site index, which is a demonstration of forest productivity. The aim of this study was to estimate forest site index in a beech forest ecosystem in Tur...

journal_title：Environmental monitoring and assessment

authors： Günlü A,Bulut S,Keleş S,Ercanlı İ

更新日期：2019-12-18 00:00:00

abstract：:This paper presents an environmental hazard assessment to account the impacts of single rainstorm variability on river-torrential landscape identified as potentially vulnerable mainly to erosional soil degradation processes. An algorithm for the characterisation of this impact, called Erosive Hazard Index (EHI), is de...

journal_title：Environmental monitoring and assessment

authors： Diodato N

更新日期：2005-06-01 00:00:00

abstract：:The flow and dispersion of stack-gas emitted from different elevated point source around flow obstacles in an urban environment have been investigated, using computational fluid dynamics models (CFD). The results were compared with the experimental results obtained from the diffusion wind tunnel under different condit...

journal_title：Environmental monitoring and assessment

authors： Yassin MF

更新日期：2009-01-01 00:00:00

abstract：:Soil heavy metal pollution due to wastewater reuse was assessed by means of the concentration factor (CF) and/or pollution load index (PLI).In this respect, a greenhouse pot experiment was conducted, using a completely randomized block design, including five treatments of treated municipal wastewater (0%, 25%, 50%, 75...

journal_title：Environmental monitoring and assessment

authors： Kalavrouziotis IK,Koukoulakis PH

更新日期：2012-10-01 00:00:00

abstract：:Tributyltin (TBT) contamination is still recorded in the environment even after its ban in antifouling paints. Since most biomonitors of TBT contamination, through imposex evaluation, are hard-bottom gastropods, the identification of soft-bottom sentinels has become useful for regions where rocky shores and coral reef...

journal_title：Environmental monitoring and assessment

authors： Petracco M,Camargo RM,Berenguel TA,de Arruda NC,del Matto LA,Amado LL,Corbisier TN,Castro ÍB,Turra A

更新日期：2015-07-01 00:00:00

abstract：:The present study is to evaluate trophic status and its limiting factors in the Renuka Lake, using surface water samples. The water of the lake is found to be slightly alkaline with pH 8.33-8.70 (avg. 8.61 ± 0.1). The turbidity 4.63-6.62 NTU (avg. 5.48 ± 0.63 NTU) indicated low level of clarity in the lake. The Carlso...

journal_title：Environmental monitoring and assessment

authors： Kumar P,Mahajan AK,Meena NK

更新日期：2019-01-26 00:00:00

abstract：:The paper presents water-quality evaluation based on an 8-year monitoring programme in the Gdansk Municipality region, on the Southern coast of the Baltic Sea. The studies were carried out from 2000 to 2007 by surface water analysis at 15 various sites within eight watercourses. Sampling sites included rather urbanize...

journal_title：Environmental monitoring and assessment

authors： Cieszynska M,Wesolowski M,Bartoszewicz M,Michalska M,Nowacki J

更新日期：2012-04-01 00:00:00

abstract：:Suspended particulate matter (SPM), sediments and clams were collected at three sites in Jiaozhou Bay to assess the magnitude of trace metal pollution in the area. Metal concentrations in SPM (Cu: 40.11-203; Zn: 118-447; Pb: 50.1-132; Cd: 0.55-4.39; Cr: 147.6-288; Mn: 762-1670 microg/g), sediments (Cu: 17.64-34.26; Zn...

journal_title：Environmental monitoring and assessment

authors： Li Y,Yu Z,Song X,Mu Q

更新日期：2006-10-01 00:00:00

abstract：:The wetland of focus, Inle Lake, located in central Myanmar, is well known for its unique biodiversity and culture, as well as for ingenious floating garden agriculture. During the last decades, the lake area has seen extensive degradation in terms of water quality, erosion, deforestation, and biodiversity concomitant...

journal_title：Environmental monitoring and assessment

authors： Pradhan N,Habib H,Venkatappa M,Ebbers T,Duboz R,Shipin O

更新日期：2015-06-01 00:00:00

abstract：:Degradation of flubendiamide as affected by microbial population count in two Indian soils (red and alluvial) varying in physicochemical properties was studied under sterile and non-sterile conditions. Recovery of flubendiamide in soil was in the range of 94.7-95.9 % at 0.5 and 1.0 μg g(-1), respectively. The DT50 of ...

journal_title：Environmental monitoring and assessment

authors： Das SK,Mukherjee I

更新日期：2014-05-01 00:00:00

abstract：:The application of scientifically based decision making tools to help address solid waste management issues dates back to the early 1960s. Researchers continue to use operations research tools to help optimize landfill design and operating parameters. This paper discusses the application of another type of decision ma...

journal_title：Environmental monitoring and assessment

authors： Ohman KV,Hettiaratchi JP,Ruwanpura J,Balakrishnan J,Achari G

更新日期：2007-12-01 00:00:00

abstract：:Flood events around the globe have severely impaired the soil functioning resulting in compromised food security in several parts of the world. The current study was aimed to explore the impacts of floods on soil heavy metals and nutrients status at three locations; Tibbi Solgi (TS), Vinri Khosa (VK), and Noshehra Wes...

journal_title：Environmental monitoring and assessment

authors： Hafeez F,Zafar N,Nazir R,Javeed HMR,Rizwan M,Faridullah,Asad SA,Iqbal A

更新日期：2019-03-21 00:00:00

abstract：:Residues of organochlorine pesticides, polychlorinated biphenyls (PCBs), and 16 elements were measured in American alligator (Alligator mississippiensis) eggs collected in 1984 from Lakes Apopka, Griffin, and Okeechobee in central and south Florida. Organochlorine pesticides were highest in eggs from Lake Apopka. None...

journal_title：Environmental monitoring and assessment

authors： Heinz GH,Percival HF,Jennings ML

更新日期：1991-03-01 00:00:00

abstract：:Global agricultural intensification has led to increased pesticide use (37-fold from 1960 to 2005) and soil erosion (14% since 2000). Conservation tillage, including no-till (NT), has been proposed as an alternative to conventional plow till (PT) to mitigate soil erosion, but past studies have reported mixed results o...

journal_title：Environmental monitoring and assessment

authors： Elias D,Wang L,Jacinthe PA

更新日期：2018-01-12 00:00:00

abstract：:This study investigated the spatial distribution of groundwater quality in Sereflikochisar Basin, in the Central Anatolian region of Turkey using different hydrochemical, statistical, and geostatistical methods. A total of 51 groundwater samples were collected from the observation wells in the study area to evaluate t...

journal_title：Environmental monitoring and assessment

authors： Kavurmaci M,Üstün AK

更新日期：2016-04-01 00:00:00

abstract：:Extracellular polymeric substances (EPS) were extracted from Aspergillus fumigatus using cationic exchange resin technique. The EPS were mainly composed of polysaccharide and low quantities of protein and nucleic acid. Biosorption of Cd(II), Pb(II), and Cu(II) of EPS was investigated as a function of pH using differen...

journal_title：Environmental monitoring and assessment

authors： Yin Y,Hu Y,Xiong F

更新日期：2013-08-01 00:00:00

abstract：:The bark of Moringa oleifera, a cheap and readily available natural biopolymeric resource material, found to significantly reduce coliform load and turbidity in contaminated water is investigated in this paper. Its surface and adsorptive properties are investigated to explore its adsorptive potential in removing V(V) ...

journal_title：Environmental monitoring and assessment

authors： Mnisi RL,Ndibewu PP

更新日期：2017-11-04 00:00:00

abstract：:In this study which was carried out between March 2003 and February 2005 Fe, Cu, Zn, Mn, Cr, Pb and Cd contents were determined in muscle, liver and gill of carp (Cyprinus carpio L., 1758) caught from Beyşehir Lake. Among the heavy metals analyzed Cr, Pb and Cd were below the detection limit (<0.03). Heavy metal conce...

journal_title：Environmental monitoring and assessment

authors： Tekin-Ozan S,Kir I

更新日期：2008-03-01 00:00:00

abstract：:Sensitive analytical methods indicate the presence of hundreds of chemical contaminants in our environment. However, concentration of these pollutants is usually at the low parts per million or parts per billion level. At such low levels, toxicants induce long-term (chronic) rather than short-term (acute) toxicities. ...

journal_title：Environmental monitoring and assessment

authors： Giam CS,Holliday TL,Zheng Y,Williams JL,Ahmed MS

更新日期：1991-10-01 00:00:00

abstract：:The impacts of elevated CO(2) and temperature on microbial biomass and soil enzyme activities in four physicochemically different types of tropical rice soils (Aeric Endoaquept, Aeric Tropoaquept, Ultic Haplustalf and Udic Rhodostalf) were investigated in a laboratory incubation study. Soil samples were incubated unde...

journal_title：Environmental monitoring and assessment

authors： Das S,Bhattacharyya P,Adhya TK

更新日期：2011-11-01 00:00:00

abstract：:The search for reliable biomarkers of human exposure to benzene and its derivatives is still subject of research. Many of the proposed biomarkers have limitations ranging from the low sensitivity to the wide variability of results. Thus, the aim of our study was to assess the frequencies of chromosomal abnormalities (...

journal_title：Environmental monitoring and assessment

authors： Trevisan P,da Silva JN,da Silva AP,Rosa RF,Paskulin GA,Thiesen FV,de Oliveira CA,Zen PR

更新日期：2014-04-01 00:00:00

abstract：:Carbaryl (a carbamate insecticide) and cypermethrin (a synthetic pyrethroid insecticide) are extensively used in agriculture. However, the presence of these insecticides in the environment constitutes a significant source of ecological contamination. This study determined the levels of these insecticides in Lisungwi, ...

journal_title：Environmental monitoring and assessment

authors： Kanyika-Mbewe C,Thole B,Makwinja R,Kaonga CC

更新日期：2020-08-22 00:00:00

abstract：:In this paper, I propose a new unsupervised change detection method for optical satellite imagery. The proposed technique consists of three phases. In the first stage, difference images are calculated using four different functions. Two of the functions were first used in this study. In the second stage, using Reconst...

journal_title：Environmental monitoring and assessment

authors： Atasever UH

更新日期：2019-06-18 00:00:00

abstract：:The combined studies on grain size distribution, organic matter contents of sediments, sequential extraction and bulk concentration of heavy metals, statistical analysis, and ecological risk assessments were carried out to investigate the contamination sources and ecological risks of surface sediments at Coleroon Rive...

journal_title：Environmental monitoring and assessment

authors： Venkatramanan S,Chung SY,Ramkumar T,Selvam S

更新日期：2015-08-01 00:00:00

abstract：:Change of water quality in dam reservoir and aquifer complicates safe drinking water supply. Few parameters are monitored to control water quality in these sources. Adequate knowledge on the correlation structure, interaction effect, trends and seasonal variability of these parameters is essential to control water qua...

journal_title：Environmental monitoring and assessment

authors： Chowdhury S,Al-Zahrani M

更新日期：2014-10-01 00:00:00

abstract：:The condition of tree crowns is an important indicator of tree and forest health. Crown conditions have been evaluated during inventories of the US Forest Service Forest Inventory and Analysis (FIA) program since 1999. In this study, remeasured data from 55,013 trees on 2616 FIA plots in the eastern USA were used to a...

journal_title：Environmental monitoring and assessment

authors： Morin RS,Randolph KC,Steinman J

更新日期：2015-03-01 00:00:00