Title: Small-scale spatial variability of particulate matter < 10 μm (PM10) and nitrogen dioxide
Authors : Monn, Christian
Carabias, Vicente
Junker, Martin
Waeber, Roger
Karrer, Markus
Wanner, Hans-Urs
Published in : Atmospheric Environment
Volume(Issue) : 31
Issue : 15
Pages : 2243
Pages to: 2247
Publisher / Ed. Institution : Elsevier
Issue Date: Aug-1997
License (according to publishing contract) : Licence according to publishing contract
Type of review: Peer review (Publication)
Language : English
Subjects : Spatial variability; Pollution; INE; Nitrogen dioxide
Subject (DDC) : 363: Environmental and security problems
Abstract: Epidemiological studies often rely only on data from a single monitoring station at a study site. However, significant small-scale spatial gradients for air pollutants are inevitable and one monitoring station cannot be representative for the entire population living in the study region. Small-scale spatial gradients (horizontally and vertically) of particulate matter < 10 micro-meter (PM10) and NO2 were examined along a roadside in Zurich during the winter and summer seasons (1994-1995). Horizontal and vertical concentration gradients for PM10 were about 13% (spatial coefficient of variation), and for NO2 about 15%. For PM10, the effect of season on the horizontal and vertical gradient was small. For NO2, the small-scale spatial gradients were highly influenced by season: during the spring-summer season, spatial gradients were much greater than during the autumn-winter season. This implies that future monitoring programmes, should include more monitoring sites for PM10 and, especially for NO2, the spring-summer season should include far more spatial resolution.
Departement: School of Engineering
Organisational Unit: Institute of Sustainable Development (INE)
Publication type: Article in scientific Journal
DOI : 10.1016/S1352-2310(97)00030-7
ISSN: 1352-2310
URI: https://digitalcollection.zhaw.ch/handle/11475/7078
Appears in Collections:Publikationen School of Engineering

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