نتایج جستجو برای: air pollution

تعداد نتایج: 250473  

Journal: :Statistical methodology 2012
Brian J Reich Montserrat Fuentes

A crucial step in the analysis of spatial data is to estimate the spatial correlation function that determines the relationship between a spatial process at two locations. The standard approach to selecting the appropriate correlation function is to use prior knowledge or exploratory analysis, such as a variogram analysis, to select the correct parametric correlation function. Rather that selec...

2006
J. Namieśnik W. Wardencki

This paper presents the tasks, procedures and instrumental trends in analytics and monitoring of air pollution. The classification of methods and analytical techniques used for atmospheric air studies are also discussed.

Journal: :American journal of epidemiology 1990
J H Ware D W Dockery T A Louis X P Xu B G Ferris F E Speizer

This paper describes methods for simultaneous cross-sectional and longitudinal analysis of repeated measurements obtained in cohort studies with regular examination schedules, then uses these methods to describe age-related changes in pulmonary function level among nonsmoking participants in the Six Cities Study, a longitudinal study of air pollution and respiratory health conducted between 197...

Journal: :European review for medical and pharmacological sciences 2015
S A Meo A N Memon S A Sheikh F A Rouq A Mahmood Usmani A Hassan S A Arian

OBJECTIVE Air pollution is a novel risk factor for insulin resistance and occurrence of type 2 diabetes mellitus (T2DM), but the evidence is limited and diverse. Therefore, the aim of this study was to assess the effect of environmental air pollution on incidence of type 2 diabetes mellitus. METHODS In this study, we identified 102 published studies through a systematic data base search inclu...

2015

Urban air pollution is one of the major environmental problems faced by the developing countries. Studies in large Indian cities revealed that ambient air pollution concentrations are at such levels where it can cause serious health impacts. Lucknow, a fast growing city is not an exception to this. Researchers from the city have studied various aspects of air pollution during the last one and h...

2004
Daniel G.C. Rainham Karen E. Tomic Scott C. Sheridan Richard T. Burnett

Daily and seasonal fluctuations in mortality have been positively and significantly associated with ambient concentrations of atmospheric pollution and meteorological variables such as temperature and barometric pressure. However, much less is known about the health risk from atmospheric pollutants in the context of frequently occurring weather patterns. The objective of this study is to assess...

2010
Anthony UNG Lucien WALD Thierry RANCHIN Christiane WEBER Jacky HIRSCH Gilles PERRON Joseph KLEINPETER

The mapping of air quality over the city of Strasbourg and its vicinity requires an increase of the number of measurements aiming at spatializing information about air pollutants concentrations. A methodology based on a multisource approach for mapping air pollutants concentrations over the city was presented in previous communications. One step of the methodology is the estimation of pollutant...

2014
Gerard Hoek Ole Raaschou-Nielsen

Recently, the International Agency for Research on Cancer (IARC) has classified outdoor air pollution and the particulate matter component of outdoor air pollution as class I carcinogen. Air pollution is consistently associated with lung cancer in epidemiologic and experimental studies. The IARC assessment is specifically designed as hazard identification, and it does not quantify the magnitude...

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