.
-
7
. Y
,
A population of 550 was assumed Saebemthe one that mey move back
<isiemd., Values for other initial populations maybeobtained dy
of the results. —
ven
Tne total population at ‘the
bb. hg
=a
end of 30 years is given by the
compounding equation:
Pag = 550 (140.038)= 1684
The number of births in 30 years are given by:
30
~~
B
ootexss0
(1.038)* dx
0
where x is the time between 0 and 30.
e
This gives
0.042x550 (1.0387 30 -1)
1. |= 1277
Bs_ oq-ogg—
Similarly, the number of deaths in the 30 year period would be:
t
39
Deaths
0.0054x550
.
Deaths
07-7~ggg0054x550 «(1.038 3044.
-1] = 164
hel dem
(1.035)* dx
.
One other ibem needed is che reduction in 30 y22
born after the return because of tne decrease inr adietion levels and
hat
the smaller amount of time in the 30 year period
is spent on the
For this, the total pnooulation dose for
s2 born after
island.
returning assuming an initial dose rate of 1 rad/year is
given by:
‘