Beer's Law
u = e-sec(
) 
dz = 
(CO2,CO,CH4,N2O) +
(H2O) +
(O3) Transmittance between the top of the atmosphere and level at z is a function of the quantity and absorption of all gases.
u = e-sec() dz = (CO2,CO,CH4,N2O) +
(H2O) +
(O3) Transmittance between the top of the atmosphere and level at z is a function of the quantity and absorption of all gases.
