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          Institute: MPI für Meteorologie     Collection: Atmosphere in the Earth System     Display Documents



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ID: 174080.0, MPI für Meteorologie / Atmosphere in the Earth System
Fresh air in the 21st century?
Authors:Prather, M.; Gauss, M.; Berntsen, T.; Isaksen, I.; Sundet, J.; Bey, I.; Brasseur, Guy P.; Dentener, F.; Derwent, R.; Stevenson, D.; Grenfell, L.; Hauglustaine, D.; Horowitz, L.; Jacob, D.; Mickley, L.; Lawrence, M.; von Kuhlmann, R.; Muller, J. F.; Pitari, G.; Rogers, H.; Johnson, M.; Pyle, J.; Law, K.; van Weele, M.; Wild, O.
Language:English
Date of Publication (YYYY-MM-DD):2003-01-31
Title of Journal:Geophysical Research Letters
Journal Abbrev.:Geophys. Res. Lett.
Volume:30
Issue / Number:2
Start Page:72-1
End Page:72-4
Sequence Number of Article:1100
Review Status:Peer-review
Audience:Not Specified
Abstract / Description:Ozone is an air quality problem today for much of the world's population. Regions can exceed the ozone air quality standards (AQS) through a combination of local emissions, meteorology favoring pollution episodes, and the clean-air baseline levels of ozone upon which pollution builds. The IPCC 2001 assessment studied a range of global emission scenarios and found that all but one projects increases in global tropospheric ozone during the 21st century. By 2030, near-surface increases over much of the northern hemisphere are estimated to be about 5 ppb (+2 to +7 ppb over the range of scenarios). By 2100 the two more extreme scenarios project baseline ozone increases of >20 ppb, while the other four scenarios give changes of -4 to +10 ppb. Even modest increases in the background abundance of tropospheric ozone might defeat current AQS strategies. The larger increases, however, would gravely threaten both urban and rural air quality over most of the northern hemisphere.
Comment of the Author/Creator:Date: 2003, JAN 31
External Publication Status:published
Document Type:Article
Communicated by:Carola Kauhs
Affiliations:MPI für Meteorologie
External Affiliations:Univ Calif Irvine, Dept Earth Syst Sci, Irvine, CA 92697 USA.; Univ Oslo, Inst Geofys, N-0315 Oslo, Norway.; Swiss Fed Inst Technol, CH-1015 Lausanne, Switzerland.; Max Planck Inst Meteorol, D-20146 Hamburg, Germany.; Commiss European Communities, Joint Res Ctr, Inst Environm, I-21020 Ispra, Italy.; Hadley Ctr, UK Met Off, Bracknell, Berks, England.; CEA, CNRS, Inst Pierre Simon Laplace, F-91198 Gif Sur Yvette, France.; NOAA, Geophys Fluid Dynam Lab, Princeton, NJ USA.; Harvard Univ, Dept Earth & Planetary Sci, Cambridge, MD USA.; Max Planck Inst Chem, D-6500 Mainz, Germany.; Inst Aeron Spatiale Belgique, B-1180 Brussels, Belgium.; Univ Aquila, Dipartimento Fis, I-67010 Laquila, Italy.; Univ Cambridge, Ctr Atmospher Sci, Cambridge CB2 1EW, England.; Royal Netherlands Meteorol Inst, NL-3730 AE De Bilt, Netherlands.; Frontier Res Syst Global Change, Yokohama, Kanagawa, Japan.
Identifiers:ISI:000182893300006
ISSN:0094-8276
DOI:10.1029/2002GL016285
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