However the input atmospheric model is not strictly linked with real values
atmospheric parameters and they will be varied for better elucidating dependences
of interest. The incident solar flux is assumed F 0 ¼ 1.
13.6.2 Sequential Steps of the Exercise Implementation
Calculation is accomplished with the compute program “MMKFLUXS.exe” that
realizes the algorithm considered above and is compiled in Borland 4 Cþþ.
The file “MMKFLUXS.exe” proposes the following dialog when questions are
output at the screen sequentially.
1. Input filename for results:
It is recommended to input the file name where the result is output. The file is
created for writing and while the program repeats the file is rewritten. It is open
till the program running.
Then the program accomplishes three stages:
The first is the study of the distribution of considered characteristics: transmitted
and reflected irradiance (or downward and upward flux) and radiative divergence
(or flux divergences) over ratio of interaction (scattering and reflection). The
sequential questions are output to the screen:
Input sun zenith angles (grad):
It is recommend inputting one or two values of the solar zenith angle (degrees)
Values of 45.0
and 80.0
are recommended.
Attention! Several values divided by space in one line. For proposed example:
10.0 _45.0 “Enter”
Input optical depths:
It is to input two or three values of the atmosphere optical thickness t 0 :
corresponding to weak concentrations of atmospheric aerosols 0.1, average
value 0.3 and heavy 0.7.
Input single scattering albedo values:
Two or three values of the single scattering albedo are to be input. o. For
example: non absorbing aerosols 0.9999, weakly absorbing 0.9 and strongly
absorbing 0.6.
Input phase function parameters:
One or two values of the phase function parameter g are needed: for slightly
extending phase function (fine fraction of aerosols) 0.2 and strongly extended
(big aerosol particles) 0.75.
Input surface albedo:
Two values of the surface albedo corresponding to snow 0.9, and water surface
0.05 are recommended.
Then the program calculates three radiative characteristics for all combinations
of parameters including the contribution of every ratio of interaction (from zeroth
13.6 Practice 12
137
atmospheric parameters and they will be varied for better elucidating dependences
of interest. The incident solar flux is assumed F 0 ¼ 1.
13.6.2 Sequential Steps of the Exercise Implementation
Calculation is accomplished with the compute program “MMKFLUXS.exe” that
realizes the algorithm considered above and is compiled in Borland 4 Cþþ.
The file “MMKFLUXS.exe” proposes the following dialog when questions are
output at the screen sequentially.
1. Input filename for results:
It is recommended to input the file name where the result is output. The file is
created for writing and while the program repeats the file is rewritten. It is open
till the program running.
Then the program accomplishes three stages:
The first is the study of the distribution of considered characteristics: transmitted
and reflected irradiance (or downward and upward flux) and radiative divergence
(or flux divergences) over ratio of interaction (scattering and reflection). The
sequential questions are output to the screen:
Input sun zenith angles (grad):
It is recommend inputting one or two values of the solar zenith angle (degrees)
Values of 45.0
and 80.0
are recommended.
Attention! Several values divided by space in one line. For proposed example:
10.0 _45.0 “Enter”
Input optical depths:
It is to input two or three values of the atmosphere optical thickness t 0 :
corresponding to weak concentrations of atmospheric aerosols 0.1, average
value 0.3 and heavy 0.7.
Input single scattering albedo values:
Two or three values of the single scattering albedo are to be input. o. For
example: non absorbing aerosols 0.9999, weakly absorbing 0.9 and strongly
absorbing 0.6.
Input phase function parameters:
One or two values of the phase function parameter g are needed: for slightly
extending phase function (fine fraction of aerosols) 0.2 and strongly extended
(big aerosol particles) 0.75.
Input surface albedo:
Two values of the surface albedo corresponding to snow 0.9, and water surface
0.05 are recommended.
Then the program calculates three radiative characteristics for all combinations
of parameters including the contribution of every ratio of interaction (from zeroth
13.6 Practice 12
137