Inverse modeling of CH4 emissions over Europe, Part I: modeling tools, input data sets and forward modeling evaluation

Angel Vara Vela, Aarhus University, Aarhus C, Denmark, Christoffer Karoff Sr., Aarhus University, Aarhus, Denmark, Noelia Rojas Benavente, University of São Paulo, São Paulo, Brazil and Janaína Nascimento, NOAA Global Systems Laboratory, Boulder, United States