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



ID: 174088.0, MPI für Meteorologie / Atmosphere in the Earth System
Air pollution and climate-forcing impacts of a global hydrogen economy
Authors:Schultz, Martin G.; Diehl, Thomas; Brasseur, Guy P.; Zittel, W.
Language:English
Date of Publication (YYYY-MM-DD):2003-10-24
Title of Journal:Science
Journal Abbrev.:Science
Volume:302
Issue / Number:5645
Start Page:624
End Page:627
Review Status:Peer-review
Audience:Not Specified
Abstract / Description:If today's surface traffic fleet were powered entirely by hydrogen fuel cell technology, anthropogenic emissions of the ozone precursors nitrogen oxide (NOx) and carbon monoxide could be reduced by up to 50%, leading to significant improvements in air quality throughout the Northern Hemisphere. Model simulations of such a scenario predict a decrease in global OH and an increased lifetime of methane, caused primarily by the reduction of the NOx emissions. The sign of the change in climate forcing caused by carbon dioxide and methane depends on the technology used to generate the molecular hydrogen. A possible rise in atmospheric hydrogen concentrations is unlikely to cause significant perturbations of the climate system.
Comment of the Author/Creator:Date: 2003, OCT 24
External Publication Status:published
Document Type:Article
Communicated by:Carola Kauhs
Affiliations:MPI für Meteorologie
External Affiliations:Max Planck Inst Meteorol, D-20146 Hamburg, Germany.; Ludwig Bolkow Syst Tech, D-85521 Ottobrunn, Germany.
Identifiers:ISI:000186119900053 [ID No:1]
ISSN:0036-8075 [ID No:2]
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