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Title of Journal: Adv Atmos Sci

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Abbravation: Advances in Atmospheric Sciences

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SP Science Press

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DOI

10.1002/ijc.2910310402

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1861-9533

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Impacts of future NOSubscriptEmphasis Type="Ita

Authors: Geli Wang Peicai Yang Chuanxi Liu Yi Liu Daren Lü
Publish Date: 2010/06/19
Volume: 27, Issue: 4, Pages: 750-760
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Abstract

A coupled chemical/dynamical model SOCOLSOlar Climate Ozone Links is applied to study the impacts of future enhanced CO and NO x emissions over eastern China on regional chemistry and climate The result shows that the increase of CO and NO x emissions has significant effects on regional chemistry including NO x CO O3 and OH concentrations During winter the CO concentration is uniformly increased in the northern hemisphere by about 10 ppbv During summer the increase of CO has a regional distribution The change in O3 concentrations near eastern China has both strong seasonal and spatial variations During winter the surface O3 concentrations decrease by about 2 ppbv while during summer they increase by about 2 ppbv in eastern China The changes of CO NO x and O3 induce important impacts on OH concentrations The changes in chemistry especially O3 induce important effects on regional climate The analysis suggests that during winter the surface temperature decreases and air pressure increases in centraleastern China The changes of temperature and pressure produce decreases in vertical velocity We should mention that the model resolution is coarse and the calculated concentrations are generally underestimated when they are compared to measured results However because this model is a coupled dynamical/chemical model it can provide some useful insights regarding the climate impacts due to changes in air pollutant emissions

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