Use of solvent extraction for the removal of heavy metals from liquid wastes.

abstract：:An anoxic biofilm involved in continuous denitrification process was monitored to investigate the effect of different concentrations of influent dissolved oxygen (DO) or nitrite on the biofilm. Microelectrode measurements evidenced nitrate removal activity of biofilm. When different concentrations of DO were applied t...

journal_title：Environmental monitoring and assessment

authors： Jang A,Ahn Y,Kim IS

更新日期：2003-09-01 00:00:00

abstract：:The Bear Brook Watershed in Maine (BBWM), USA, and the Fernow Experimental Forest in West Virginia, USA, represent unique, long-term, paired, whole watershed, experimental manipulations focusing on the effects of nitrogen (N) and sulfur (S) deposition on temperate forests. Both watersheds began whole-ecosystem additio...

journal_title：Environmental monitoring and assessment

authors： Fernandez IJ,Adams MB,SanClements MD,Norton SA

更新日期：2010-12-01 00:00:00

abstract：:Because natural ecosystems and ecosystem services (ES) are both critical to the well-being of humankind, it is important to understand their relationships and congruence for conservation planning. Spatial conservation planning is required to set focused preservation priorities and to assess future ecological implicati...

journal_title：Environmental monitoring and assessment

authors： Xiao Y,Xiao Q

更新日期：2018-03-29 00:00:00

abstract：:Obtaining information about the spatial distribution of desert plants is considered as a serious challenge for ecologists and environmental modeling due to the required intensive field work and infrastructures in harsh and remote arid environments. A new method was applied for assessing the spatial distribution of the...

journal_title：Environmental monitoring and assessment

authors： Badreldin N,Uria-Diez J,Mateu J,Youssef A,Stal C,El-Bana M,Magdy A,Goossens R

更新日期：2015-05-01 00:00:00

abstract：:To analyze polycyclic aromatic hydrocarbons (PAHs) at an urban site in Seoul, South Korea, 24-hr ambient air PM2.5 samples were collected during five intensive sampling periods between November 1998 and December 1999. To determine the PAH size distribution, 3-day size-segregated aerosol samples were also collected in ...

journal_title：Environmental monitoring and assessment

authors： Park SS,Kim YJ,Kang CH

更新日期：2007-05-01 00:00:00

abstract：:The study area Rameswaram, a holy island, is famous for the sacred Ramanathaswamy temple, which cements people of the country regardless of their place, residence, or their religion or creed. This coastal tract is experiencing a chronic fresh water shortage, despite a few spring sources. The study area is selected for...

journal_title：Environmental monitoring and assessment

authors： Ramachandramoorthy T,Sivasankar V,Subramanian V

更新日期：2010-01-01 00:00:00

abstract：:This study aimed at redesigning and monitoring the groundwater network of Naqadeh plain in the southwest of Lake Urmia to examine the number and position of optimal wells for the salinity information transfer (EC) and survey of groundwater level at aquifer. In this regard, groundwater level data (35 wells) and electri...

journal_title：Environmental monitoring and assessment

authors： Nazeri Tahroudi M,Khashei Siuki A,Ramezani Y

更新日期：2019-03-27 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：:This work aimed to evaluate, on a spatial and temporal scale, the effect of the flow on the concentrations of Cu and Zn in sediments from two water bodies (the Alvorada and Mandaguari Rivers). Five sediment-sampling periods were conducted, under four different streams in each sampling point (shallow/fast (SF), shallow...

journal_title：Environmental monitoring and assessment

authors： da Paz Schiller A,Ferronato MC,Schwantes D,Gonçalves AC Jr,Barilli DJ,Manfrin J

更新日期：2019-01-18 00:00:00

abstract：:Heavy metal contamination in sediments of the Karasu spring was investigated in the presented study. In this respect, sediment samples were collected from contaminant sites along the spring starting from the spring water manifestation site, base of the Akkaya dam to the dam exit site. Heavy metal concentrations were d...

journal_title：Environmental monitoring and assessment

authors： Yalcin MG,Narin I,Soylak M

更新日期：2007-05-01 00:00:00

abstract：:Climate change and the intensification of anthropogenic activities in watersheds have been substantially changing the streamflow regime, which is a problem for water resource managers. This study assesses the influence of the changes in land use and land cover and rainfall on the streamflow regime. This study also mod...

journal_title：Environmental monitoring and assessment

authors： Ferreira FLV,Rodrigues LN,da Silva DD

更新日期：2021-01-02 00:00:00

abstract：:The Columbia River at the Hanford Site, located in south-central Washington State, U.S.A., is a regionally important refugium for overwintering birds. Some of the river shoreline has been designated by the U.S. Department of Energy for environmental clean-up following past production of materials for nuclear weapons. ...

journal_title：Environmental monitoring and assessment

authors： Becker JM,McKinstry CA

更新日期：2004-04-01 00:00:00

abstract：:Phytoplankton species composition and seasonal changes were investigated in the Bhoj wetland Bhopal. Taxonomic composition, diversity, and abundance of phytoplankton were studied at nine stations from March 2008 to February 2010, in relation to various physico-chemical factors. Total phytoplankton species composition ...

journal_title：Environmental monitoring and assessment

authors： Bhat NA,Wanganeo A,Raina R

更新日期：2015-01-01 00:00:00

abstract：:Evaluation of water quality of nine boreholes and three open hand-dug wells in a rural community in North Central Nigeria revealed relative abundance of cations Na > k > Ca > Mg > Zn > Pb and anions Cl(-) > PO4(2-) > SO4(2-) > NO3(-) in the boreholes and cations Ca > Na > K > Mg > Pb and anions NO3(-)  > PO4(2-)  > SO...

journal_title：Environmental monitoring and assessment

authors： Sojobi AO

更新日期：2016-03-01 00:00:00

abstract：:This study investigated the biomarker responses of the earthworm, Eudrilus eugeniae, exposed to sublethal concentrations of benzene, toluene and xylene (BTX) for a time span of 28 days. Lipid peroxidation (LPO) and histopathological alterations were examined. Toxicological evaluations of BTX were carried out against E...

journal_title：Environmental monitoring and assessment

authors： Eseigbe FJ,Doherty VF,Sogbanmu TO,Otitoloju AA

更新日期：2013-03-01 00:00:00

abstract：:River discharge is one of the important hydraulic data to evaluate and manage the regional water resources. Estimating river discharge is generally based on field measurements. The measurement data are then applied to construct water level-discharge rating curves. However, it is sometimes difficult to obtain accurate ...

journal_title：Environmental monitoring and assessment

authors： Chen FW,Liu CW

更新日期：2020-04-16 00:00:00

abstract：:Iran as a developing country is experiencing the industrialization process quickly and is thus exposed to different industrial hazards mostly derived from chemicals. In the light of this problem, this study estimated the human vulnerability in chemical accidents using the software simulation of accidental chlorine gas...

journal_title：Environmental monitoring and assessment

authors： Ardalan A,Fatemi F,Aguirre B,Mansouri N,Mohammdfam I

更新日期：2019-07-24 00:00:00

abstract：:The groundwater level represents a critical factor to evaluate hillside landslides. A monitoring system upon the real-time prediction platform with online analytical functions is important to forecast the groundwater level due to instantaneously monitored data when the heavy precipitation raises the groundwater level ...

journal_title：Environmental monitoring and assessment

authors： Lin HC,Hong YM,Kan YC

更新日期：2012-01-01 00:00:00

abstract：:Mining plays an important role in Brazilian exports. On the other hand, large urban centers like São Paulo, with approximately 21 million inhabitants, also demand an increasing domestic consumption of natural resources, such as construction aggregate. There are many quarries located in the surroundings of urban center...

journal_title：Environmental monitoring and assessment

authors： Wichers M,Iramina WS,de Eston SM,Ayres da Silva ALM

更新日期：2017-12-22 00:00:00

abstract：:Analysis of endosulfan, chlorpyrifos, and their nonpolar metabolites in extracts from environmental aqueous and soil samples was performed using a gas chromatography-tandem mass spectrometry (GC-MS/MS) technique. Full-scan GC-MS analysis showed poor sensitivity for some of the metabolites (endodiol and endosulfan ethe...

journal_title：Environmental monitoring and assessment

authors： Tiwari MK,Guha S

更新日期：2013-10-01 00:00:00

abstract：:Check dam sediments document the process of soil erosion for a watershed. The main objectives of this research are as follows: first, to determine whether the sediments trapped in check dams can provide useful information about local erosion and the environment, and second, to obtain the extent to which they can be st...

journal_title：Environmental monitoring and assessment

authors： Wang Y,Chen L,Fu B,Lü Y

更新日期：2014-07-01 00:00:00

abstract：:Phosphorus (P) flux potential can predict the trend of phosphorus release from wetland sediments to water and provide scientific parameters for further monitoring and management for phosphorus flux from wetland sediments to overlying water. Many studies have focused on factors affecting sediment P flux potential in se...

journal_title：Environmental monitoring and assessment

authors： He J,Su D,Lv S,Diao Z,Ye S,Zheng Z

更新日期：2017-11-08 00:00:00

abstract：:The potential threat of both metals and antibiotics to the environment and human health has raised significant concerns in the last decade. Metal-resistant and antibiotic-resistant bacteria are found in most environments, including water, and the risk posed to humans and animals due to the spread of antibiotic-resista...

journal_title：Environmental monitoring and assessment

authors： Squadrone S

更新日期：2020-03-16 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：:Urban areas are facing increasing fog frequencies that may result due to increased air pollution emanating from variety of sources. The increased pollution levels may lead to the atmospheric reactions resulting into the formation of secondary pollutants that may also lead to increased aerosol number concentrations (AN...

journal_title：Environmental monitoring and assessment

authors： Mohan M,Payra S

更新日期：2009-04-01 00:00:00

abstract：:Orthohydroxypropiophenoneisonicotinoylhydrazone (OHPINH) is proposed as a new sensitive reagent for the spectrophotometric determination of aluminum(III). OHPINH formed a greenish-yellow colored complex with aluminum(III) in buffer solutions of pH 1 to 3. The color in pH 2 was stable for more than 48 h. The complex so...

journal_title：Environmental monitoring and assessment

authors： Ramachandraiah C,Rajesh Kumar J,Adinarayana Reddy S,Lee JY,Varada Reddy A

更新日期：2010-01-01 00:00:00

abstract：:By the method of P fractionation, we examined sedimentary P fractions in Lake Dianchi before and during cyanobacterial blooms, namely in April 2004 and August 2004, respectively. In this study, the whole lake is divided into four areas to discuss P fractions in sediment and the relationship between them and water qual...

journal_title：Environmental monitoring and assessment

authors： Hu J,Shen Q,Liu Y,Liu J

更新日期：2007-09-01 00:00:00

abstract：:Heavy metals are among the priority pollutants which may have toxic effects on receiving water bodies. They are detected in most of samples of stormwater runoff, but the concentrations are very variable. This paper presents results of study on the amount of heavy metals discharged from urban catchment in Lodz (Poland)...

journal_title：Environmental monitoring and assessment

authors： Sakson G,Brzezinska A,Zawilski M

更新日期：2018-04-14 00:00:00

abstract：:A total of 75 animals between 1.5 and 8 years old were randomly selected for the study. Of these, 57.8% were cross-bred animals and the rest were non-descript. Moreover, 61.8% of the animals under study were brought for slaughter from local sources and the rest from farm houses. Samples collected from five districts r...

journal_title：Environmental monitoring and assessment

authors： Sengupta D,Aktar MW,Alam S,Chowdhury A

更新日期：2010-10-01 00:00:00

abstract：:During the second half of the 20th century Kalmykia has undergone severe desertification. Under Soviet rule, rangelands were increasingly devoted to animal production, and pastures were converted to cropland in a campaign to increase crops. Pastures were grazed two to three times their sustainable production, saiga po...

journal_title：Environmental monitoring and assessment

authors： Zonn IS

更新日期：1995-01-01 00:00:00