ABSORPTION OF LIGHT IN GASEOUS MEDIA. 
411 
Table VII. 
Units. 
I 
i 0°. 
1 
0 
o 
1 (M 
o 
0 
o 
0 
o 
o 
80°. 
Total Solar Radiation per unit area 
normal to sun’s rays reaching 
earth’s surface. 
Values of 
f 
I ” S dX = 3321 (S, k) units = 1 • 922 
calories per scp cm. per minute. 
(S, X) units 
dX = •!//.. 
3000-5 
2944-5 
2782-5 
2673-0 
2512-0 
2018-5 
Calories 
per square 
centimetre 
per minute. 
1-740 
1-706 
1-623 
1-550 
1 • 457 
1-169 
Total Solar Radiation per unit area 
of horizontal plane reaching earth’s 
surface. 
Values of 
cosH E(0dX. 
Jo 
(S, A) units 
dX = • Ip.. 
3000-5 
2770 
2130 
1337 
858 
350 
Calories 
per scjuare 
centimetre 
per minute. 
1-740 
1-602 
1-242 
•775 
•498 
•203 
Total Radiation per unit area of hori¬ 
zontal surface from unit solid angle 
of zenith sky. 
Values of 
rT(0,0‘^4. 
Jo 
(S, A) units 
dX = • Ip. 
SS'85 
36-15 
38-05 
S2-2 
34-4 
36-6 
25-5 
27-8 
30-0 
18-3 
20-3 
22-6 
13-f 
15-9 
18-6 
9-8 
11-4 
14-9 
Calories 
per square 
centimetre 
per minute. 
- oim ' - 01S6 
-0209 ' -0199 
-0220 ! -0212 
1 
■OlJffi 
•0161 
•0173 
• 0106 
-0117 
•0131 
• 0077 
•0092 
•0107 
■0057 
•0066 
•0086 
Total Sky Radiation per unit area of 
horizontal surface. 
Values of 
(S, A) units 
dX = • Ip. 
Ifl - 9 
151-2 
159-3 
US-2 
153-] 
163-0 
13ffi8 
147-0 
158-6 
± o.- 
135-9 
151-1 
100 ■ 6 
119-2 
139-6 
79-4 
92-5 
120-9 
Calories 
per square 
centimetre 
per minute. 
- 
•0877 
•0925 
• (J8S2 
•0888 
•0945 
• 0782 
•0853 
•0920 
■0710 
•0788 
•0876 
- OoSJf. 
•0692 
•0809 
• 0461 
•0537 
•0701 
Total Radiation on horizontal surface 
{cos^E (0 + H(C)}ca. 
Calories 
per square 
centimetre 
per minute. 
1-822 
1-828 
1-833 
1 • 685 
1-691 
1-697 
1-320 
1-327 
1-334 
■8f6 
•854 
•863 
■556 
-567 
•597 
■249 
•257 
•273 
rH(0fa 
T-. . 10 
Ratio ———- 
cos ( E (() dX 
Jo 
■— 
■OJffiS 
•0504 
•0531 
■0517 
•0553 
•0588 
• 0633 
•0690 
-0744 
• 0915 
•1018 
•1131 
■1171 
•1390 
•1623 
■227 
•264 
•346 
rH(0</4 
TV . 10 
Ratio - . 
■OlffiS 
•0504 
•0531 
• 0f87 
•0520 
•0553 
■0U5 
•0529 
•0570 
• OfSS 
•0508 
•0565 
• OJfOO 
•0475 
•0555 
• 0394 
•0458 
•0597 
[ T (0, f) dX 
Ratio oj -. 
ra> 
E(C)dX 
J 0 
oj = 27r(l - cos 16') = 6’80 X 10“® 
— 
76-6x10-^ 
82-0 
86-2 
7ffiSxlO->^ 
79-5 
84-5 
62-2 X 10-’^ 
67-9 
73-2 
Iffi ■ 6 X 10~^ 
51-7 
57-5 
36-3x10-^ 
43-1 
50-3 
33-0xl0->^ 
38-4 
50-2 
Total Solar and Shj Radiation Calculated at Mount JFiUon Level from Mean Attenuation Coefficients. 
3 G 2 
