_RL rsuma
atm_tair(ind2)= (a1*atm_tair(ind1) + a2*atm_tair(ind2))*rsuma
& a2*atm_precip(ind2))*rsuma
& a2*atm_evap_ice(ind2))*rsuma
& a2*atm_evap_ocn(ind2))*rsuma
& a2*atm_qnet_ice(ind2))*rsuma
& a2*atm_qnet_ocn(ind2))*rsuma
& a2*atm_dFdt_ice(ind2))*rsuma
& a2*atm_dFdt_ocn(ind2))*rsuma
& a2*atm_dLdt_ice(ind2))*rsuma
& a2*atm_dLdt_ocn(ind2))*rsuma
& a2*atm_dFdt_iceq(ind2))*rsuma
& a2*atm_dFdt_ocnq(ind2))*rsuma
& a2*atm_dLdt_iceq(ind2))*rsuma
& a2*atm_dLdt_ocnq(ind2))*rsuma
& a2*atm_solarinc(ind2))*rsuma
& a2*atm_solar_ocn(ind2))*rsuma
& a2*atm_solar_ice(ind2))*rsuma
& a2*atm_windspeed(ind2))*rsuma
atm_slp(ind2)= (a1*atm_slp(ind1) + a2*atm_slp(ind2))*rsuma
atm_pco2(ind2)= (a1*atm_pco2(ind1)+a2*atm_pco2(ind2))*rsuma
SUBROUTINE COMBINE_ENDS(a1,a2,ind1,ind2,rsuma)