نتایج جستجو برای: vehicular pollution modeling

تعداد نتایج: 464529  

Journal: :iranian journal of environmental sciences 0
awkash kumar centre for environmental science and engineering, indian institute of technology, bombay, mumbai-400 076, india

air pollution is one of the major threats to environment in the present time. increase in degree of urbanization is a major cause of this air pollution. due to urbanization, vehicular activities are continuously increasing at a tremendous rate. mobile or vehicular pollution is predominantly degrading the air quality worldwide. thus, air quality management is necessary for dealing with this seve...

Air pollution is one of the major threats to environment in the present time. Increase in degree of urbanization is a major cause of this air pollution. Due to urbanization, vehicular activities are continuously increasing at a tremendous rate. Mobile or vehicular pollution is predominantly degrading the air quality worldwide. Thus, air quality management is necessary for dealing with this seve...

Journal: Pollution 2016

Air pollution is one of the major threats to environment in the present time. Increase in degree of urbanization is a major cause of this air pollution. Due to urbanization, vehicular activities are continuously increasing at a tremendous rate. Mobile or vehicular pollution is predominantly degrading the air quality worldwide. Thus, air quality management is necessary for dealing with this seve...

Journal: :caspian journal of environmental sciences 2009
a. qayoom mir t. yazdani s. ahmad m. yunus

present transplant study was carried out across lucknow, the capital of utter pardesh using two medicinally important plants viz., ?catharanthus roseus l.? and ?ocimum sanctum l.? to assess whether certain ecophysiological responses (change in total flavonoids and total phenolics) in these two plants may serve as the biomarkers of auto exhaust pollution. samples were taken from five different s...

2013
D. K. Parbat

The noise generated from the vehicular traffic flow is a major source of environmental pollution. The present paper reports the evaluation of the noise measurement due to vehicular traffic flow at interrupted flow condition in intermediate Yavatmal city, district place of Vidarbha region in Maharashtra (India). Traffic volume data and noise level data are collected at all the identified two maj...

2014
RITA SINGH RAJIV GARG MASTAN SINGH JITENDRA K CHAUDHARY

The particles emitted from vehicular exhaust usually include particles less than 10 micron diameter (PM10) which get accumulated in the lungs and produce respiratory impairments. This study was taken up to assess the effect of vehicular exhaust on their pulmonary functions readings. The spirometric analysis of traffic policemen revealed FEV1 2.35 L, FVC 3.19L and PEF 7.8 L/s when compared with ...

Journal: :international journal of environmental research 2013
m. shafie-pour a. tavakoli

during the recent decades, rapid urbanization growth has led to even faster growth of motorvehicles and especially in large cities. hence, evaluation of the actual level of traffic emissions has gained more interest. this paper, for the first time, presents a bottom-up approach for evaluation of vehicular emissions in tehran- the capital of iran- using the international vehicle emission (ive) m...

2015
T. K. Subramaniam

Vehicular air pollution affects both urban and town air quality all around the world. Air quality in many developing countries is deteriorating according to (WHO/UNEP 1992) report because these countries lack the resources to invest in emission control. Global air pollution problems have captured public attention, because of stratospheric ozone depletion and global warming. In response to globa...

2003
U Wa TANG Zhishi WANG

This paper describes a new approach to assess high-resolution Carbon Dioxide (CO) distribution for the peninsula of Macao Special Administrative Region (S.A.R.). Firstly, two widely used vehicular pollution models, namely Danish Operational Street Pollution Model (OSPM) and United States intersection vehicular pollution model (CAL3QHC), were applied to evaluate the roadside CO concentration fro...

2014
S.Arul selvan

-Pollution in air is generated by the developments, which typically occur as the country gradually shifts towards industrialization, due to city growth, increasing traffic, rapid economic development, and higher levels of energy consumption. Indian cities are among the most polluted cities in the world. The main source of air pollution in Indian metropolitan cities is petrol and diesel driven v...

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