نتایج جستجو برای: air pollution modeling

تعداد نتایج: 629597  

Journal: :International Journal of Environmental Sciences & Natural Resources 2019

Journal: :environmental health engineering and management 0
saeed motesaddi department of environmental health engineering, school of public health, shahid beheshti university of medical sciences, tehran, iran parviz nowrouz environmental health engineering, department of environmental health engineering, school of public health, sulfur dioxide aqi modeling by artificial neural network in tehran between 2007 and 2013 saeed motesaddi 1 , parviz nowrouz 2* , behrouz alizadeh 3 , fariba khalili 4 , reza nemati 2 1 associate professor, department of environmental health engineering, school of public health, shahid beheshti university of medical sciences, tehran, iran 2 shahid beheshti university of medical sciences, tehran, iran behrouz alizadeh department of medical informatics, school of allied medical sciences, shahid beheshti university ph.d student of environmental health engineering, department of environmental health engineering, school of public health, sulfur dioxide aqi modeling by artificial neural network in tehran between 2007 and 2013 saeed motesaddi 1 , parviz nowrouz 2* , behrouz alizadeh 3 , fariba khalili 4 , reza nemati 2 1 associate professor, department of environmental health engineering, school of public health, shahid beheshti university of medical sciences, tehran, iran 2 shahid beheshti university of medical sciences, tehran, iran 3 of medical sciences, tehran, iran fariba khalili department of environmental health engineering, school of public health, shahid beheshti university of medical sciences, tehran, iran reza nemati department of environmental health engineering, school of public health, shahid beheshti university of medical sciences, tehran, iran

background: air pollution and concerns about health impacts have been raised in metropolitan cities like tehran. trend and prediction of air pollutants can show the effectiveness of strategies for the management and control of air pollution. artificial neural network (ann) technique is widely used as a reliable method for modeling of air pollutants in urban areas. therefore, the aim of current ...

Journal: :Risk analysis : an official publication of the Society for Risk Analysis 2008
Sally Ann Lederman Mark Becker Stephen Sheets Janet Stein Deliang Tang Lisa Weiss Frederica P Perera

We examined the utility of a newly developed perceived air pollution (PAP) scale and of a modeled air pollution (MAP) scale derived from it for predicting previously observed birth outcomes of pregnant women enrolled following September 11, 2001. Women reported their home and work locations in the four weeks after September 11, 2001 and the PAP at each site on a four-point scale designed for th...

Journal: :Heritage 2023

Two simple mass-balance models for estimating the concentration of air pollutants inside buildings are presented originating from outdoors or generated indoors. The can be used to establish average pollution loads on heritage objects and assist in risk assessment conservation. run with a minimum data, either based fixed conditions as Monte Carlo simulation plausible intervals input factors. Inp...

2013
Shuiyuan Cheng Fang Wang Jianbing Li Dongsheng Chen Mingjun Li Ying Zhou Zhenhai Ren

A modeling framework was proposed to investigate the impact of trans-boundary air pollutant transport on regional air quality. This was based on a combination of the HYSPLIT trajectory model, the CAMx air quality model, and the MM5 meteorological model. The examination of atmospheric PM10 pollution in Guangzhou within the Pearl River Delta (PRD) region of southern China was used as a case study...

2013
Esben Meulengracht Flachs Jan Sørensen Jakob Bønløkke Henrik Brønnum-Hansen

OBJECTIVE To explore how three different assumptions on demographics affect the health impact of Danish emitted air pollution in Denmark from 2005 to 2030, with health impact modeled from 2005 to 2050. METHODS Modeled air pollution from Danish sources was used as exposure in a newly developed health impact assessment model, which models four major diseases and mortality causes in addition to ...

Journal: :Environmental pollution 2010
E Paoletti M Schaub R Matyssek G Wieser A Augustaitis A M Bastrup-Birk A Bytnerowicz M S Günthardt-Goerg G Müller-Starck Y Serengil

Over the past 20 years, the focus of forest science on air pollution has moved from forest decline to a holistic framework of forest health, and from the effects on forest production to the ecosystem services provided by forest ecosystems. Hence, future research should focus on the interacting factorial impacts and resulting antagonistic and synergistic responses of forest trees and ecosystems....

Journal: :International journal of environmental research and public health 2018
Nick Bailey Guanpeng Dong Jon Minton Gwilym Pryce

This paper critically examines the relationship between air pollution and deprivation. We argue that focusing on a particular economic or social model of urban development might lead one to erroneously expect all cities to converge towards a particular universal norm. A naive market sorting model, for example, would predict that poor households will eventually be sorted into high pollution area...

2017
Rajeshwari K. Rai

This research paper is an attempt towards analyzing real time air pollution data collected by PAQS sensor devices from some key locations in Bangalore. Air pollution in most of the metropolitan cities in India is turning out to be a major threat to our environment and hazardous to our health. Many infections and diseases related to lungs and throat are caused by the polluted air we breathe. The...

2015
David Hasenfratz Olga Saukh Christoph Walser Christoph Hueglin Martin Fierz Tabita Arn Jan Beutel Lothar Thiele

Up-to-date information on urban air pollution is of great importance for environmental protection agencies to assess air quality and provide advice to the general public in a timely manner. In particular, ultrafine particles (UFPs) are widely spread in urban environments andmay have a severe impact on human health. However, the lack of knowledge about the spatio-temporal distribution of UFPs ha...

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