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UASG 81-20

Castle-Bravo Ah? Concentration
and Deposition
Patterns from a 3-D Particl*in-Cell
Code”
by
Kendall R. Peterson.
May 18, 1981

ABSTRACT

The

NIATHEIV-ADPIC code suite

total

external

Atoll

until

has been extensively

dose from the detonation

evacuation

of the Castle-Bravo

of the inhabitants

of nearby

code suite is that it uses all the observed
after

the detonation

cloud

and

to

asse.ss~ents

the

external

time-integrated

code formulation

atolls.

nuclear

pattern

up to

(deposition

gives excellent

dose (based on measurements)

at Bikini

The .advanteges

of this

sense) at and

and doses due to passage

deposition

to give the
test

winds (in a mass-conservation

dose rates

have given the fallout

The present
total

to provide

modified

evacuation

of the debris

time.

Previous

only) at time H+l hours.
agreement

to people

with the estimated

on Rongelap

and Ailinginae

atolls.

*\(ork performed
under the auspices
Contract No. \I’-’74(!ENGN4848.
/

oi the

U. S. Dep~rt!ment

cf Energy

under

Select target paragraph3