the entire test,
°
and samples were
collected itor analysis at the start,
midpoint, and end of the test.
by humans
per day,
was
is assumed
to be 2 litres
the total volume removed
equivalent
4
Lf
the mean daily water consumption rate
to what could have
been used by 100 people in 16 days.
The usable groundwater is therefore
Sample
|
i
UW 3
4
o
oO
S257
4
EL
_
6
O
oO
FWR |
E 0
|
a
= 4— Sample
the atoll.
G 31
conducted at
FWR 1] on Eneu, but only 2400 litres
were removed during a half-day pumping period.
Samples were taken at
the beginning and end of this test.
The conductivity of
the water during
3, which also
relates conductivity to the time of
Sample _
Sample
2
{
3
6
OQ
|
2?
—
1 HEH 1
7
0
0
|
|
|
1000
2000
3000
Volume — litres
the pumping operations at these two
wells is shown in Fig.
—
|
a valuable resource to the people of
A similar test was
1
Sample
Fig.
3
Inline conductivity vs
volume pumped for wells
HFH L
sampling.
and
FWR 1.
We also obtained a J5-gal tiltered
water sample
(HFH 7).
from the old Bikini well
From our discussions with
Weill FWR 3 had been drilled and
cased to a depth of 13 m below
the Bikini people as well as from our
ground
own observations,
to indicate why or when
we learned that
level.
No record
can be found
this well was
large quantities of the groundwater
established.
from this well are being withdrawn
the water column
almost daily for crop irrigation.
upper,
This water has also been used for
mately 2 m thick.
drinking during periods of drought.
salinity rapidly
Large-volume samples were also pumped
linear fashion-to the bottom.
from
the
3 and 4)
A salinity profile of
(Fig.
4)
showed the
tresher layer to be approxiBelow it
increased
the
in almost
A
two old wells on Eneu (FWR
total of 64 litres was pumped from
and from three rainwater
the surface layer;
no change in water
cisterns sampled on Bikini Tsland
conductivity occurred.
(see Fig.
casing must
1).
eee
9610194
be
slotted
This well
in
some manner