@Article{acp-21-16661-2021,
AUTHOR = {Jacobs, N. and Simpson, W. R. and Graham, K. A. and Holmes, C. and Hase, F. and Blumenstock, T. and Tu, Q. and Frey, M. and Dubey, M. K. and Parker, H. A. and Wunch, D. and Kivi, R. and Heikkinen, P. and Notholt, J. and Petri, C. and Warneke, T.},
TITLE = {Spatial distributions of $X_{\mathrm{CO_2}}$ seasonal cycle amplitude and phase over northern high-latitude regions},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {21},
YEAR = {2021},
NUMBER = {22},
PAGES = {16661--16687},
URL = {https://acp.copernicus.org/articles/21/16661/2021/},
DOI = {10.5194/acp-21-16661-2021}
}