https://riley.lbl.gov/wp-content/uploads/sites/15/2019/09/rileyLogo.png00hyperadminhttps://riley.lbl.gov/wp-content/uploads/sites/15/2019/09/rileyLogo.pnghyperadmin2019-01-25 22:38:432019-01-25 22:38:43A new top boundary condition for modeling surface diffusive exchange of a generic volatile tracer: theoretical analysis and application to soil evaporation