期刊
ATMOSPHERIC CHEMISTRY AND PHYSICS
卷 5, 期 -, 页码 919-926出版社
EUROPEAN GEOSCIENCES UNION
DOI: 10.5194/acp-5-919-2005
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On 21 - 22 August 2001, NO, NO2 and HNO3 mixing ratio profiles were measured at high latitudes during sunset and sunrise using the Limb Profile Monitor of the Atmosphere ( LPMA) and the DOAS experiments under stratospheric balloon. Photochemical simulations using the chemistry module of the Reprobus Chemistry Transport Model ( CTM) that are constrained by ozone and total NOy balloon observations reproduce well the partitioning of NOx and NOy when model results are calculated at the exact time and location of the measurement for each tangent altitude. Taking the recently recommended reaction rate coefficients for the NOy partitioning ( JPL- 2003) and using realistic aerosol surface area in order to initialise the model leads to an agreement between calculations and measurements better than 10% all over the covered altitude range.
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