MERLIN: The Franco-German mission to perform innovative spaceborne LIDAR measurements of atmospheric methaneMatthias Alpers, Peter Bartsch, Philippe Bousquet, Gerhard Ehret, Achim Friker, Philippe Landiech, Gilles Rougier and Inés UsandizagaEPJ Web Conf., 362 (2026) 08005DOI: https://doi.org/10.1051/epjconf/202636208005