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All five components of HITRAN have undergone major updates. In particular, the extent of the updates in the HITRAN2020 edition range from updating a few lines of specific molecules to complete replacements of the lists, and also the introduction of additional isotopologues and new (to HITRAN) molecules: SO, CH3F, GeH4, CS2, CH3I and NF3. Many new vibrational bands were added, extending the spectral coverage and completeness of the line lists. Also, the accuracy of the parameters for major atmospheric absorbers has been increased substantially, often featuring sub-percent uncertainties. Broadening parameters associated with the ambient pressure of water vapor were introduced to HITRAN for the first time and are now available for several molecules.
The HITRAN2020 edition continues to take advantage of the relational structure and efficient interface available at www.hitran.org and the HITRAN Application Programming Interface (HAPI). The functionality of both tools has been extended for the new edition.
|Journal of Quantitative Spectroscopy and Radiative Transfer
|Published - Jan 2022
- Absorption cross-sections
- Collision-induced absorption
- Molecular opacities
- Molecular spectroscopy
- Spectroscopic database
- Spectroscopic line parameters
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Muriel Lepere (Manager)Technological Platform Optics, Lasers and spectroscopy
Facility/equipment: Technological Platform