We have recently devoted two reports to the very weak absorption spectrum of water vapor in the 12,969 – 13,417 cm region by high sensitivity cavity ring down spectroscopy (CRDS) [Vasilchenko et al. J. Quant. Spectrosc. Radiat. Transfer 275 (2021) 107,847; doi.org/10.1016/j.jqsrt.2021.107847; Vasilchenko et al. Molecular Physics e2051762; doi.org/10.1080/00,268,976.2022.2051762]. This spectral interval is important because it includes the region of the oxygen A-band near 760 nm. The achieved sensitivity allowed us to measure lines with intensity on the order of 10 cm molecule, about two orders of magnitude lower than the detectivity threshold of previous studies. A total of about 240 energy levels of were newly determined. Our comparison to the W2020 empirical levels [Furtenbacher et al. J. Phys. Chem. Ref. Data 49 (2020) 043,103; doi.org/10.1063/5.0030680] led us to identify and correct about 300 W2020 energy levels of the main isotopologue differing from our energy value by more than 5 × 10 cm. In the present contribution, we consider in details the sources of the W2020 energy levels to identify the origin of these deviations. We confirm that more than 260 energy levels should be corrected but for the remaining thirty-two levels, the W2020 energy values are in fact, more reliable. As a result, we propose an improved list of energy levels retrieved from the CRDS data and a recommended line list for water vapor in natural isotopic abundance in the 12,969 – 13,417 cm region, mostly based on the CRDS line parameters.

中文翻译：

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12,969–13,418cm-1区间水汽推荐线表


我们最近通过高灵敏度腔衰荡光谱 (CRDS) 发表了两份关于 12,969 – 13,417 cm 区域内水蒸气非常弱吸收光谱的报告 [Vasilchenko 等人，2017]。 J. Quant.光谱。辐射。转275（2021）107,847； doi.org/10.1016/j.jqsrt.2021.107847；瓦西里琴科等人。分子物理学 e2051762； doi.org/10.1080/00,268,976.2022.2051762]。该光谱间隔很重要，因为它包括 760 nm 附近的氧 A 波段区域。所达到的灵敏度使我们能够测量强度为 10 cm 分子数量级的谱线，比之前研究的探测阈值低大约两个数量级。总共新测定了约240个能级。我们与 2020 年经验水平的比较 [Furtenbacher 等人。 J. Phys。化学。参考号资料49(2020)043,103； doi.org/10.1063/5.0030680] 引导我们识别并纠正主要同位素体的约 300 个 W2020 能级，与我们的能量值相差超过 5 × 10 cm。在当前的贡献中，我们详细考虑了 W2020 能量水平的来源，以确定这些偏差的根源。我们确认超过 260 个能量级别应进行修正，但对于其余 32 个级别，W2020 能量值实际上更可靠。因此，我们提出了从 CRDS 数据中检索的改进的能级列表，以及 12,969 – 13,417 cm 区域天然同位素丰度水蒸气的推荐线列表，主要基于 CRDS 线参数。