Partitioning anthropogenic and natural methane emissions in Finland during 2000–2021 by combining bottom-up and top-down estimates. - Tenkanen, Maria K.; Tsuruta, Aki; Denier van der Gon, Hugo; Höglund-Isaksson, Lena; Leppänen, Antti; Markkanen, Tiina; Petrescu, Ana Maria Roxana; Raivonen, Maarit; Aaltonen, Hermanni; Aalto, Tuula (Atmospheric Chemistry & Physics, 2025)