WIND
CONSTANT
WIND
CONSTANT
NN,
Ne
|
~~.
—,
_
PARTICLES FROM LOWER PART
LAND SOONER, CLOSER
ates s
nae
geo 907063
PARTICLES FROM UPPER PART
FALL LONGER, LAND FARTHER
9
—
SMALL PARTICLES FALL
SLOWLY, LAND FARTHER
~
—,
EFFECT OF HEIGHT
(WIND AND PARTICLE SIZE ASSUMED CONSTANT)
LARGE PARTICLES FALL
FAST, LAND CLOSE
NN,
TB-11-21, Fallout and The Winds, October, 1955.
* As suggested In Civil Defense Technical Bulletin
GROUND
aI
GROUND
em
==
(WIND AND INITIAL HEIGHT ASSUMED CONSTANT)
EFFECT OF PARTICLE SIZE
T*
FACTORS AFFECTING DISTRIBUTION OF FALLOU
Figure 2a
/