نتایج جستجو برای: water pollution

تعداد نتایج: 604643  

Journal: :journal of research in health sciences 0
gilas hosseini pari teymouri behzad shahmoradi afshin maleki

background: the present study investigated the effect of the middle east dust storm episodes on the concentration and composition of pm 10 during april to september 2013 in sanandaj city, western iran. methods: sampling was once every six days, and on dusty days using an omni air sampler. the pm 10 sample was collected on polytetrafluoroethylene filters. average of 24 h values of pm 10 mass con...

Journal: :international journal of marine science and engineering 2013
m. kashefiolasl h. zargarlelahi

pollution of marine waters is one of the important issues that has a irreparable effects. also, in the organic oil pollutants, due to inappropriate effects on the environment and humans health and ability to create cancer, hydro carbons of polycyclic (pahs) and heavy metals (ni,hg,v) have a particular importance. according to the importance of study of the environ mental contaminants in the fou...

Journal: :global journal of environmental science and management 2015
a.r. karbassi m. pazoki

in this study, the concentrations of heavy metals (ca, zn, cu, fe, mn, ni) in thesediment of shavoor river in khuzestan province in iran has been investigated. after the library studies and field studies, six samples of water and sediment were taken from the river in order to evaluate heavy metal pollution in sediments. to determine the geochemical phases of metals in sediment samples the 5-ste...

Journal: :caspian journal of environmental sciences 2005
v.o. ajibola a.e. unuaworho i.i. funtua

over the years, there has been an obvious pollution problem in lagos area, nigeria with high population of over eleven million and the near absence of waste management infrastructures. concentrations of some pollution parameters and trace elements (temperature, ph, salinity, so42-, no3-, po43-, f-, do, bod, cod and coliform, cr, co, ni, ag, cd and pb) were determined from water bodies of isolo ...

Journal: :international journal of advanced biological and biomedical research 2013
moslem sharifinia zohreh ramezanpour javid imanpour abbas mahmoudifard tahsin rahmani

the zarivar lake a freshwater lake in west of kurdistan province is home for large number of native plant and animal species therefore water quality and health of the lake are vital for conservation of these species. the present study aimed at evaluation of the zarivar lake using nsf- wqi as an indicator of water quality. wqi is a suitable tool to examine and classify spatial and temporal varia...

2017
Xianyong Meng Hao Wang

The high degree of spatial variability in climate conditions, and a lack of meteorological data for East Asia, present challenges to conducting surface water research in the context of the hydrological cycle. In addition, East Asia is facing pressure from both water resource scarcity and water pollution. The consequences of water pollution have attracted public concern in recent years. The low ...

2015
Azmat Gani Frank Scrimgeour

a r t i c l e i n f o This paper investigates the effect of governance on levels of water pollution for all industrial activities as well as by some specific industry category in a sample of OECD economies. Using an institutional ecological economic conceptual framework, the effects of several measures of governance are empirically examined. Our findings reveal that the rule of law, regulatory ...

Journal: :Gigiena i sanitariia 2013
G G Onishchenko

Among the many factors that influence the health of the population, the environment, nutrition and any other have a significant importance. Recently there was noted stabilization of the main indicators, used for characterization of the sanitary-epidemiological situation in the country, and the measures taken by the Federal Service for the Oversight of Consumer Protection and Welfare have played...

2002

Ground-water contamination by crude oil, and other petroleum-based liquids, is a widespread problem. An average of 83 crude-oil spills occurred per year during 1994-96 in the United States, each spilling about 50,000 barrels of crude oil (U.S. Office of Pipeline Safety, electronic commun., 1997). An understanding of the fate of organic contaminants (such as oil and gasoline) in the subsurface i...

Journal: :Journal of environmental monitoring : JEM 2009
Dipankar Chakraborti Swapan Kumar Ghorai Bhaskar Das Arup Pal Bishwajit Nayak Babar Ali Shah

This preliminary study reports for the first time that part of the rural population in the Allahabad district and the urban population in the Suklaganj-Kanpur of Unnao district in the Allahabad-Kanpur track of the upper Ganga plain are drinking and using for agricultural irrigation arsenic contaminated water (maximum arsenic concentrations in drinking water and urine are 707 and 1744 microg L(-...

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