y atm.int 175. 2.0,1.0,0.0,1.0 5.d-6,5.d6 0.2,1.d-10 1 1.d-10,3,1.d20 1.d-2,3 heat_noc2h6_2ch4.out source_noc2h6_2ch4.out model_noc2h6_2ch4.out