<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Prather, M. J.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Lifetimes and time scales in atmospheric chemistry</style></title><secondary-title><style face="normal" font="default" size="100%">Philosophical Transactions of the Royal Society a-Mathematical Physical and Engineering Sciences</style></secondary-title><alt-title><style face="normal" font="default" size="100%">Philos. Trans. R. Soc. A-Math. Phys. Eng. Sci.</style></alt-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">3-dimensional model</style></keyword><keyword><style  face="normal" font="default" size="100%">age</style></keyword><keyword><style  face="normal" font="default" size="100%">atmospheric chemistry</style></keyword><keyword><style  face="normal" font="default" size="100%">ch3br</style></keyword><keyword><style  face="normal" font="default" size="100%">chemical modes</style></keyword><keyword><style  face="normal" font="default" size="100%">eigenvalues</style></keyword><keyword><style  face="normal" font="default" size="100%">gases</style></keyword><keyword><style  face="normal" font="default" size="100%">lifetimes</style></keyword><keyword><style  face="normal" font="default" size="100%">ocean</style></keyword><keyword><style  face="normal" font="default" size="100%">ozone depletion potentials</style></keyword><keyword><style  face="normal" font="default" size="100%">Prather Modeling Lab</style></keyword><keyword><style  face="normal" font="default" size="100%">time scales</style></keyword><keyword><style  face="normal" font="default" size="100%">timescales</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2007</style></year><pub-dates><date><style  face="normal" font="default" size="100%">07/2007</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">pub/692</style></url></web-urls></urls><number><style face="normal" font="default" size="100%">1856</style></number><volume><style face="normal" font="default" size="100%">365</style></volume><pages><style face="normal" font="default" size="100%">1705-1726</style></pages><isbn><style face="normal" font="default" size="100%">1364-503X</style></isbn><language><style face="normal" font="default" size="100%">English</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;Atmospheric composition is controlled by the emission, photochemistry and transport of many trace gases. Understanding the time scale as well as the chemical and spatial patterns of perturbations to trace gases is needed to evaluate possible environmental damage (e.g. stratospheric ozone depletion or climate change) caused by anthropogenic emissions. This paper reviews lessons learned from treating global atmospheric chemistry as a linearized system and analysing it in terms of eigenvalues. The results give insight into ow emissions of one trace species cause perturbations to another and how transport and chemistry can alter the time scale of the overall perturbation. Further, the eigenvectors describe the fundamental chemical modes, or patterns, of the atmosphere's chemical response to perturbations.&lt;/p&gt;</style></abstract><work-type><style face="normal" font="default" size="100%">Proceedings Paper</style></work-type><accession-num><style face="normal" font="default" size="100%">ISI:000247780800006</style></accession-num><notes><style face="normal" font="default" size="100%">&lt;p&gt;ISI Document Delivery No.: 186LSTimes Cited: 2Cited Reference Count: 31Cited References:      *WMO, 1994, 37 WORLD MET ORG     BOLIN B, 1973, TELLUS, V25, P58     BRIDGEMAN CH, 2000, J GEOPHYS RES-ATMOS, V105, P26493     BUTLER JH, 1994, GEOPHYS RES LETT, V21, P185     CHAPMAN S, 1930, MEM ROY METEOROL SOC, V3, P103     CHURCH JA, 2005, NATURE, V438, P74, DOI 10.1038/nature04237     DERWENT RG, 2001, CLIMATIC CHANGE, V49, P463     EHHALT DH, 2004, J GEOPHYS RES-ATMOS, V109, ARTN D08102     FARREL BF, 2000, J GEOPHYS RES-ATMOS, V105, P9303     FISHER DA, 1995, P WORKSH ATM DEGR HC, P1     HALL TH, 1999, MODELS MEASUREMENTS, V2, P110     HOUGHTON JT, 1995, SCI CLIMATE CHANGE, P572     ISAKSEN ISA, 1987, TELLUS B, V39, P271     JUNGE CE, 1974, TELLUS, V26, P477     KO MKW, 1997, J GEOPHYS RES-ATMOS, V102, P25507     MANNING MR, 1999, GEOPHYS RES LETT, V26, P1263     OLSEN SC, 2000, GEOPHYS RES LETT, V27, P1475     ONEILL BC, 1994, TELLUS B, V46, P378     PRATHER M, 1994, CLIMATE CHANGE 1994, P73     PRATHER M, 2001, ATMOSPHERIC CHEM GRE, P239     PRATHER MJ, 1994, GEOPHYS RES LETT, V21, P801     PRATHER MJ, 1996, GEOPHYS RES LETT, V23, P2597     PRATHER MJ, 1997, GLOBAL BIOGEOCHEM CY, V11, P393     PRATHER MJ, 1998, SCIENCE, V279, P1339     PRATHER MJ, 2002, GEOPHYS RES LETT, V29, ARTN 2063     RAMASWAMY V, 2001, CLIMATE CHANGE 2001, P349     SOLOMON S, 1992, J GEOPHYS RES, V97, P825     WAUGH DW, 2002, REV GEOPHYS, V40, ARTN 1010     WILD O, 2000, J GEOPHYS RES-ATMOS, V105, P24647     WILD O, 2001, GEOPHYS RES LETT, V28, P1719     WUEBBLES DJ, 2001, J GEOPHYS RES-ATMOS, V106, P14551Prather, Michael J.Royal societyLondon&lt;/p&gt;</style></notes><auth-address><style face="normal" font="default" size="100%">&lt;p&gt;Univ Calif Irvine, Earth Syst Sci Dept, Irvine, CA 92697 USA.Prather, MJ, Univ Calif Irvine, Earth Syst Sci Dept, Irvine, CA 92697 USA.mprather@uci.edn&lt;/p&gt;</style></auth-address></record></records></xml>