_RL exf_inscal_lwflux
& exf_inscal_lwflux,
I exf_inscal_lwflux,
I lwfluxperiod, exf_inscal_lwflux, lwfluxconst,
& exf_inscal_swflux, exf_inscal_lwflux, exf_inscal_precip,
exf_inscal_lwflux = 1. _d 0