is the constant terrain-following temperature
lapse rate, and L is the constant atmospheric temperature lapse rate. The integral in (5) can then be
explicitly evaluated, giving
p(h(
x;y);z) = p0
T0
T0 +LT h
g
LT R
T0 +LT h
T0 +LT h+Lz
g
LR
: (
7)
The values of all atmospheric constants are given in Table
2. Based on the ideal gas law, air density
is then given by
r(h(
x;y);z) = p(h(
x;y);z)
RT (h(
x;y
/media/vedurstofan/utgafa/skyrslur/2013/2013_001_Nawri_et_al.pdf