Chapter 3 Calculation of lone wave radiation Atmosphere counter radiation, ea For clear sky Ea=oT(0.536+0.128Ln(1+e)l For cloud sky. Ea=oT(0.536+0.128Ln(1+e)l(1+0.145n2) I— -air temperature(k vapor pressure(hPa) n--cloud 2021/2/22 Assessment of Climate/Change Impacts 27of76Chapter 3 2021/2/22 Assessment of Climate/Change Impacts 27 of 76 • Atmosphere counter radiation, Ea For clear sky: Ea = T4 [(0.536+0.128Ln(1+e)] For cloud sky: Ea = T4 [(0.536+0.128Ln(1+e)](1+0.145n2 ) T—air temperature (K) e—vapor pressure (hPa) n--cloud Calculation of Lone Wave Radiation