@article{Hachmeister_2025, title={Reduction of airmass-dependent biases in TCCON XCH
                    4
                    retrievals during polar vortex conditions}, volume={18}, ISSN={1867-8548}, url={http://dx.doi.org/10.5194/amt-18-7105-2025}, DOI={10.5194/amt-18-7105-2025}, number={22}, journal={Atmospheric Measurement Techniques}, publisher={Copernicus GmbH}, author={Hachmeister, Jonas and Wunch, Debra and McGee, Erin and Strong, Kimberly and Kivi, Rigel and Notholt, Justus and Warneke, Thorsten and Buschmann, Matthias}, year={2025}, month=nov, pages={7105–7128} }