期刊
JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER
卷 76, 期 3-4, 页码 373-391出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0022-4073(02)00064-X
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The measurements of the NO2 absorption cross sections by several authors have been considered in order to derive its temperature and pressure dependences in the 13 200-42 000 cm(-1) spectral range. The temperature dependence is assumed to be linear in the temperature range investigated (217.0-298.5 K), whereas the influence of the total pressure is expressed as a temperature-dependent broadening coefficient. From measurements performed with mixtures of NO2 in air and in N-2, values of gamma(air)(0) (296 K) and gamma(N2)(0) (296 K) were found to be, respectively, 0.081 +/- 0.002 and 0.069 +/- 0.003 cm(-1) atm(-1). The temperature coefficient n obtained in the present work is 0.8 +/- 0.1. The parameterization of the cross sections developed in this work can reproduce measured cross sections within 4%. (C) 2002 Elsevier Science Ltd. All rights reserved.
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