@Article{egusphere-2026-3221,
AUTHOR = {Becker, N. and Bruch, V. and R\"osch, T. and Keil, N. H. and Steil, M. J. and Jimenez de la Cuesta Otero, D. and Ellerhoff, B. and Potthast, R. and Kaiser-Weiss, A. K.},
TITLE = {Concurrent assimilation of methane fluxes and concentrations with a 4D LETKF for Germany in 2021 based on ICON–ART},
JOURNAL = {EGUsphere},
VOLUME = {2026},
YEAR = {2026},
PAGES = {1--36},
URL = {https://egusphere.copernicus.org/preprints/2026/egusphere-2026-3221/},
DOI = {10.5194/egusphere-2026-3221}
}