IRSounderLBL.jl
Copyright (c) 2026 Tony Vincent

This product's SOURCE CODE is licensed under the MIT License; see the LICENSE
file. The MIT License applies to the software only. It does NOT extend to the
third-party scientific reference data the package reads at runtime, which is
governed by the separate terms of its respective providers, summarized below.

Nothing in the MIT LICENSE should be read as granting any right in, or
relicensing, the data described here.

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THIRD-PARTY DATA — PROVENANCE AND TERMS
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Spectroscopic and atmospheric reference data are obtained from external
databases. Each carries its provider's own usage and citation obligations,
which the end user is responsible for meeting when running the package.

1. HITRAN line lists and Collision-Induced Absorption (CIA)
   Provider : HITRAN database, hitran.org
   Files    : *.par line lists; data/cia/*.cia
   Terms    : HITRAN data are provided for the user's own use under HITRAN's
              data-use policy and do NOT carry a redistribution license. Users
              must obtain these files themselves from hitran.org and cite the
              current HITRAN edition. This package does not grant any right to
              redistribute HITRAN data.
   Cite     : Gordon et al., JQSRT 277, 107949 (2022) — HITRAN2020.
              Karman et al., Icarus 328, 160–175 (2019) — CIA.
   See      : data/cia/SOURCE.md

2. TIPS-2024 total internal partition sums
   Provider : R. R. Gamache et al. (HITRAN partition functions)
   Files    : src/HITRAN/tips2024_data.jl — Q(T) tables BUNDLED with this
              package, DERIVED from the TIPS-2024 v1.2 distribution by
              scripts/extract_tips.py (46 isotopologues of 9 molecules, of the
              196/62 upstream; restricted to T = 70-400 K in 1 K steps and
              reformatted as a Julia Dict).
   Terms    : Creative Commons Attribution 4.0 International (CC-BY-4.0).
              https://creativecommons.org/licenses/by/4.0/
              Redistribution IS permitted, including in modified form, provided
              credit is given, the license is linked, and modifications are
              indicated. This package redistributes a modified subset under
              those terms; the modification is stated in the file header and
              above. Unlike items 1 and 5, this data does NOT fall under
              HITRAN's no-redistribution policy.
   Source   : Gamache R. R. et al., "Partition sums for molecules and their
              isotopologues for HITRAN2024, version 1.2", Zenodo (2025-09-24),
              doi:10.5281/zenodo.17191976.
   Cite     : Gamache et al., JQSRT 345, 109568 (2025);
              erratum JQSRT 346, 109618 (2025).

3. MT-CKD continuum (H2O and CO2 coefficient tables)
   Provider : Atmospheric and Environmental Research, Inc. (AER); developed as
              part of LBLRTM (AER-RC/MT_CKD, AER-RC/LBLRTM).
   Files    : data/mt_ckd_h2o/mt_ckd43_h2o_coeffs.csv;
              data/mt_ckd_co2/mt_ckd_co2_coeffs.csv
              (coefficient tables DERIVED from AER's MT_CKD/LBLRTM source)
   Terms    : Copyright (c) Atmospheric and Environmental Research, Inc. AER
              grants the right to download, install, use, and copy for SCIENTIFIC
              AND RESEARCH PURPOSES, and permits redistribution PROVIDED the AER
              copyright notice is reproduced on any copy and appropriate
              acknowledgment is given to AER. It may NOT be incorporated into
              proprietary or commercial software offered for sale without AER's
              express written consent. Provided "as is", without warranty. This
              is a research-use license, NOT an OSI open-source license. The AER
              copyright notice is reproduced verbatim in the co-located
              data/mt_ckd_h2o/SOURCE.md and data/mt_ckd_co2/SOURCE.md.
   Cite     : Mlawer et al., Phil. Trans. R. Soc. A 370, 2520–2556 (2012),
              doi:10.1098/rsta.2011.0295.

4. AFGL standard atmospheres
   Provider : Air Force Geophysics Laboratory reference atmospheres
   Files    : data/afgl_*_50lev.csv
   Terms    : Public reference profiles, freely redistributable.
   Cite     : Anderson et al., AFGL-TR-86-0110 (1986).

5. CO2 line-mixing relaxation-matrix data
   Provider : HITRAN2020 line-mixing package (Lamouroux / Hartmann et al.)
   Files    : NONE bundled — read at runtime from a user-supplied directory by
              load_hitran_relmat (e.g. data/Line-mixing_HITRAN2020/, gitignored).
   Terms    : Distributed as part of HITRAN; carries HITRAN's data-use policy and
              does NOT carry a redistribution license (see item 1). This package
              does not redistribute it; users must obtain it themselves.
   Cite     : Lamouroux et al., JQSRT 151, 88–96 (2015);
              Hartmann et al., JQSRT 110, 2019–2026 (2009).

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Users are solely responsible for holding the appropriate access to, and for
meeting the citation and redistribution terms of, any data they supply to this
package. When in doubt, consult the provider's website.
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