SOME MEASUREMENTS OF ATMOSPHERIC TURBULENCE. 
21 
Eddy-stresses and of Eddy-diffusivity. 
the level of observation, 0 y horizontally to the left and Oh vertically upwards. All 
are positive when the air above drags the air below in senses of x and y increasing. 
yy 
dynes per 
square 
centi¬ 
metre. 
hh 
dynes per 
square 
centi¬ 
metre. 
xy 
dynes per 
square 
centi¬ 
metre. 
yh 
dynes per 
square 
centi¬ 
metre. 
hx 
dynes per 
square 
centi¬ 
metre. 
dv x 
dh 
sec. 1 . 
Conductivity 
= pK 
grm. cm. 1 sec. t 
Diffusivity. 
K 
cm. 2 sec. -1 . 
Turbulivity. 
£ = 9 2 P 2 K 
grm.' 2 cm. 2 
sec. -5 . 
— 
— 
— 
— 
>0-5 
}°^ { 
0-006 
5 
7 
— 
-0-004 
-0-006 
-— 
— 
0-07 
60 
80 
— 
-0-2 
— 
—- 
<0-1 
<0-06 
— 
-0-04 
— 
— 
— 
0-03 
24 
34 
- 2-9 
± 0-6 
-0-6 
±0-12 
[ + 0-45] 
±0-39 
-0-48 
±0-20 
[-0-34] 
±0-18 
— 
-0-7 
-1-2 
— 
— 
0-3 
0-9 
240 
750 
340 
1,050 
— 
— 
— 
— 
■— 
— 
12 
10,000 
14,000 
— 
— 
•— 
— 
— 
— 
0-25 
200 
300 
— 
— 
— 
— 
— 
6-8 
5,500 
8,000 
— 
— 
— 
— 
— 
— 
5-9 
4,800 
7,000 
— 
< -0-34 
— 
— 
— 
— 
6 
5,000 
6,000 
— 
— 
— 
— 
— 
— 
0-16 
130 
200 
