Distribution and solid-phase speciation of toxic heavy metals of bed sediments of Bharali tributary of Brahmaputra River.

abstract：:The Eastern Cape Subtropical Thicket (ECST) froms the transition between forest, semiarid karroid shrublands, and grassland in the Eastern Cape, South Africa. Undegraded ECST forms an impenetrable, spiny thicket up to 3 m high consisting of a wealth of growth forms, including evergreen plants, succulent and deciduous ...

journal_title：Environmental monitoring and assessment

authors： Kerley GI,Knight MH,de Kock M

更新日期：1995-01-01 00:00:00

abstract：:Spectral reflectance values of four canopy components (stems, buds, opening flowers, and postflowers of yellow starthistle (Centaurea solstitialis)) were measured to describe their spectral characteristics. We then physically combined these canopy components to simulate the flowering stage indicated by accumulated flo...

journal_title：Environmental monitoring and assessment

authors： Ge S,Everitt J,Carruthers R,Gong P,Anderson G

更新日期：2006-09-01 00:00:00

abstract：:In order to evaluate the current state of the environmental quality of soils in Beijing, we investigated contents of 14 metals in Beijing urban soils inside the 5th ring road by even grids sampling. Statistic analyses were conducted to identify possible heavy metal pollutants, as well as the effects of land uses on th...

journal_title：Environmental monitoring and assessment

authors： Wang M,Markert B,Chen W,Peng C,Ouyang Z

更新日期：2012-10-01 00:00:00

abstract：:In recent years, geophysics is increasingly used to study the flow and transport processes in the vadose zone. Particularly, when the vadose zone is made up of rocks, it is difficult to install sensors in the subsurface to measure hydrological state variables directly. In these cases, the electrical resistivity tomogr...

journal_title：Environmental monitoring and assessment

authors： De Carlo L,Berardi M,Vurro M,Caputo MC

更新日期：2018-04-25 00:00:00

abstract：:Computer simulations tested the ability of gravel interceptor trenches to capture a plume of contaminated groundwater. The plume had a maximum length and width of 87 and 19 m, respectively. In alternate simulations, one-meter wide trenches were located 5, 10, 20, and 50 m downgradient of the plume. A minimum trench le...

journal_title：Environmental monitoring and assessment

authors： Hudak PF

更新日期：2005-05-01 00:00:00

abstract：:In this study, we investigated the distribution of Legionella in sources of spring water and wastewater throughout Taiwan. Legionella were detected with culture method and PCR method from water samples, combined with molecular methods that allow the taxonomic identification of Legionella species. Factors associated wi...

journal_title：Environmental monitoring and assessment

authors： Huang SW,Hsu BM,Huang CC,Chen JS

更新日期：2011-03-01 00:00:00

abstract：:To assess the microbiological changes that occur during the maturation of overburden that has been disturbed by surface mining of coal, a surface mining-disturbed overburden unit in southeastern Ohio, USA was characterized. Overburden from the same unit that had been disturbed for 37 and 16 years were compared to undi...

journal_title：Environmental monitoring and assessment

authors： Poncelet DM,Cavender N,Cutright TJ,Senko JM

更新日期：2014-03-01 00:00:00

abstract：:Mercury (Hg) is a toxic metal that bioaccumulates in aquatic organisms and along food chain. Many studies have reported the problem of mercury exposure in aquatic systems from Amazon basin, but very few have focused on the potential risks to wild fish. The present study reports the bioaccumulation of mercury and alter...

journal_title：Environmental monitoring and assessment

authors： da Silva GS,Filipak Neto F,Silva de Assis HC,Bastos WR,de Oliveira Ribeiro CA

更新日期：2012-08-01 00:00:00

abstract：:Sediment samples in this study were taken from five typical sites near the outlet of Shekou industrial district of Shenzhen City, China. The concentrations of seven elements including Cr, Cu, Cd, Pb, Hg, Zn, and As were determined respectively by atomic absorption spectrometry or atomic fluorescence spectrometry. The ...

journal_title：Environmental monitoring and assessment

authors： Wang L,Xu Y,Wen H,Tang M,Zhao G,Han Q,Xu X,Ying M,Hu Z,Xu H

更新日期：2020-11-20 00:00:00

abstract：:The present investigation was intended to assess the seawater quality of Digha (India) in the northwestern coast of the Bay of Bengal. Digha is a meso-tidal coastal plain located between two major estuarine systems, i.e. Subarnarekha and Hooghly located respectively on the western and eastern sides of the West Bengal ...

journal_title：Environmental monitoring and assessment

authors： Pitchaikani JS,Kadharsha K,Mukherjee S

更新日期：2016-07-01 00:00:00

abstract：:A stream water quality model, QUAL2Kw, was calibrated and validated for the river Bagmati of Nepal. The model represented the field data quite well with some exceptions. The influences of various water quality management strategies have on DO concentrations were examined considering: (i) pollution loads modification; ...

journal_title：Environmental monitoring and assessment

authors： Kannel PR,Lee S,Kanel SR,Lee YS,Ahn KH

更新日期：2007-02-01 00:00:00

abstract：:Cu, Ni, Pb, Fe, Mn, Cr and Cd contents were determined in 17 different brands of chewing gum and candy samples available in local markets of Kayseri, Turkey. Concentration of selected trace metals were estimated using flame atomic absorption spectrometer after dry and wet digestion methods. Out of 17 brands of chewing...

journal_title：Environmental monitoring and assessment

authors： Duran A,Tuzen M,Soylak M

更新日期：2009-02-01 00:00:00

abstract：:Many countries undertake a national forest inventory to enable statistically valid monitoring in support of national and international reporting of forest conditions and change. Canada's National Forest Inventory (NFI) program is designed to operate on a 10-year remeasurement cycle, with an interim report produced at ...

journal_title：Environmental monitoring and assessment

authors： Wulder MA,White JC,Gillis MD,Walsworth N,Hansen MC,Potapov P

更新日期：2010-11-01 00:00:00

abstract：:This study performed on randomly selected seven sample plots in leguminous black locust (Robinia pceudoacacia L.) plantations and five sample plots in umbrella pine (Pinus pinea L.) plantations on coal mine soil/spoils. Soil samples were taken from eight different soil depths (0-1, 1-3, 3-5, 5-10, 10-20, 20-30, 30-40,...

journal_title：Environmental monitoring and assessment

authors： Keskin T,Makineci E

更新日期：2009-12-01 00:00:00

abstract：:Temperature from 12 to 22°C and salinity from 30.5 to 7.6‰ increased accumulation of copper in Hediste diversicolor. Copper accumulated ranged from 85.83 to 217.14 μg g(-1). Sediments reduced accumulation of copper under temperature-salinity combinations. Accumulated copper ranged from 90.19 to 153.26 μg g(-1).However...

journal_title：Environmental monitoring and assessment

authors： Ozoh PT

更新日期：1992-04-01 00:00:00

abstract：:An elevated nitrogen concentration in water is one of the main problems affecting water quality in Mediterranean rivers. The objectives of this study were (1) to evaluate the contribution of the Tafna catchment to the nitrate load entering the Mediterranean Sea, (2) to quantify the impact of agriculture on the nitrate...

journal_title：Environmental monitoring and assessment

authors： Zettam A,Taleb A,Sauvage S,Boithias L,Belaidi N,Sanchez-Perez JM

更新日期：2020-07-12 00:00:00

abstract：:June 2019 saw large-scale street protests in Hong Kong that impeded traffic flow along streets in areas around to the Legislative Council building. These had the potential to reduce overall air pollutant emissions from traffic and lower their concentrations. Two roadside monitoring stations relatively close to the Leg...

journal_title：Environmental monitoring and assessment

authors： Brimblecombe P

更新日期：2020-04-19 00:00:00

abstract：:The removal of soluble contaminants from fractured porous bedrock by means of a recovery well is modeled by means of a lumped parameter approach. The diffusion of contaminant from immobile liquid within the pores of the fractured rock into the mobile liquid in the interstices is handled by means of a time constant the...

journal_title：Environmental monitoring and assessment

authors： Wilson DJ,Mutch RD Jr

更新日期：1990-09-01 00:00:00

abstract：:Though the principles of the Earth's greenhouse effect have been known for well over a century, it is only recently that advances in climate research have indicated that significant and possibly costly climate change, due to growing emissions of greenhouse gases and their precursors by human activity, is a real possib...

journal_title：Environmental monitoring and assessment

authors： Callander B

更新日期：1995-01-01 00:00:00

abstract：:Concentrations of heavy metals were determined in the water column (including the sea-surface microlayer, subsurface, mid-depth and bottom water) and sediments from Singapore's coastal environment. The concentration ranges for As, Cd, Cr, Cu, Ni, Pb and Zn in the seawater dissolved phase (DP) were 0.34-2.04, 0.013-0.1...

journal_title：Environmental monitoring and assessment

authors： Cuong DT,Karuppiah S,Obbard JP

更新日期：2008-03-01 00:00:00

abstract：:Fifty seven isolates of thermotolerant E. coli were recovered from 188 drinking water sources, 45 (78.9%) were typable of which 15 (26.3%) were pathogenic serotypes. Pathogenic serogroup obtained were 04 (Uropathogenic E. coli, UPEC), 025 (Enterotoxigenic E. coli, ETEC), 086 (Enteropathogenic E. coli, EPEC), 0103 (Shi...

journal_title：Environmental monitoring and assessment

authors： Ramteke PW,Tewari S

更新日期：2007-07-01 00:00:00

abstract：:An extensive field survey was employed for assessing the impacts of long-term wastewater irrigation of forage crops and orange orchards in three suburban agricultural areas in Cyprus (areas I, II, and III), as compared to rainfed agriculture, on the soil geochemical properties and the bioaccumulation of heavy metals (...

journal_title：Environmental monitoring and assessment

authors： Christou A,Eliadou E,Michael C,Hapeshi E,Fatta-Kassinos D

更新日期：2014-08-01 00:00:00

abstract：:The current study aimed to assess the quality of apportion pollution sources and examine the impacts of anthropogenic activities on groundwater. The study was implemented in two sequential steps of (1) bulk examination of groundwater quality followed by principal component analysis/factor analysis (PCA/FA) to apportio...

journal_title：Environmental monitoring and assessment

authors： Nguyen BT,Nguyen TMT,Bach QV

更新日期：2020-05-26 00:00:00

abstract：:In the ChiuChiu village (Atacama Desert, Chile), there is a high concentration of arsenic (As) in the soil due to natural causes related to the presence of volcanoes and geothermal activity. To compare the levels of As and the growth parameters among plants of the same genus, three species of plants were established i...

journal_title：Environmental monitoring and assessment

authors： Fernández YT,Diaz O,Acuña E,Casanova M,Salazar O,Masaguer A

更新日期：2016-04-01 00:00:00

abstract：:Nickel is a heavy metal which is a stable soil pollutant which is difficult to remediate. An attempt to reduce its impact on the environment can be made by changing its solubility. The right level of hydrogen ions and the content of mineral and organic colloids are crucial in this regard. Therefore, methods to neutral...

journal_title：Environmental monitoring and assessment

authors： Boros-Lajszner E,Wyszkowska J,Kucharski J

更新日期：2017-12-30 00:00:00

abstract：:Metal levels in fish have been extensively studied, but little data currently exists for the Middle East. We examined the levels of metals and metalloids (aluminum, arsenic, copper, manganese, selenium, zinc, and mercury) in the flesh of 13 fish species collected from three fishing sites and a local fish market in Jed...

journal_title：Environmental monitoring and assessment

authors： Burger J,Gochfeld M,Batang Z,Alikunhi N,Al-Jahdali R,Al-Jebreen D,Aziz MA,Al-Suwailem A

更新日期：2014-10-01 00:00:00

abstract：:Levels of trace elements were investigated in feathers of 51 adults and 47 eggshells of brown boobies Sula leucogaster from one bird colony in the Marine National Park of Currais Islands, Brazil, between December 2013 and October 2014. Average concentrations (μg g-1, dry weight) in feathers and eggshells, respectively...

journal_title：Environmental monitoring and assessment

authors： Dolci NN,Sá F,da Costa Machado E,Krul R,Rodrigues Neto R

更新日期：2017-09-10 00:00:00

abstract：:The presence of organic compounds in drinking water is well recognized in many developing countries; however, the occurrence of organic contaminants in the groundwater of Saudi Arabia, which is the main source of drinking water in the country, is not well documented. A national comprehensive study was carried out to a...

journal_title：Environmental monitoring and assessment

authors： Alquwaizany AS,Alfadul SM,Khan MA,Alabdulaaly AI

更新日期：2019-09-02 00:00:00

abstract：:Oil spill pollution has remained a source of several international litigations in the Niger Delta region of Nigeria. In this paper, we examined the impacts of small recurrent crude oil spills on the physicochemical, microbial and hydrobiological properties of the Nun River, a primary source of drinking water, food and...

journal_title：Environmental monitoring and assessment

authors： Ifelebuegu AO,Ukpebor JE,Ahukannah AU,Nnadi EO,Theophilus SC

更新日期：2017-04-01 00:00:00

abstract：:A resampling technique (bootstrapping) was used to evaluate the effects of increasing sample number on the confidence limits of mean density and the mean number of taxa (Families) in addition to the performance of four different sampling devices used to collect macroinvertebrates in three streams of contrasting anthro...

journal_title：Environmental monitoring and assessment

authors： Chiasson A

更新日期：2009-02-01 00:00:00