AK ATOLL
EANUP OF ENEWET
RADIOLOGICAL CL
inches
a moderate rainfall of 57
ud cover,
There is much cumulous clo
ds of 0 to 30
stant nor theasternly trade win
mean annually, and fairly con
in Figure!-18.
knots. A wind rose is shown
months of
rms, OF typhoonsoccur in the
Mostdepressions, tropical sto
time of
any
at
le
sib
although they are pos
severe
September through December,
in
es
tim
at
ing
result
mmon but do occur,
year. Typhoonsare not co
ee assumes a lenticular or lens-shaped cross section, the edges of
a
a
t
secondar oot at the edges of the island. These lenses serve as a
er during dry periods
when vainw t ree of potable though brackish wat
of
n. Figure
. 1-19 is a chart
are
owin
g nea
th ring exh:austio
all sho
ainfnfsh
mean monthly rai
iod
per
dry
the
t
of
ici
def
AVERAGE MONTHLY RAINFALL (INCHES!
90° E
2,
78s.
=
Se
re oN&
o
3
|
737
722
716
RAINFALL —{
OTENTIAL WATER LOSS FROM
Lf tk
boo}
CF 11.21 knots
er.
outer end toward the cent
ings are at 10 knots or less.
read
city
velo
25% of all wind
ities of 11-21 knots are
Percentage of read ings of veloc
e g. 35% of the time, winds
indicated by length of vector,
o
will blow from ENE (67% ).
JAN
FEB
°
990
637
345
/
ft
Los
~
es
4
OCITY.
ND DI RECTION AND VEL
ANNUAL AVERAGE WI
HYDROLOGY
rce oO f fresh water.
upon rainfall as its only sou
rely
ust
m
l
Atol
ak
wet
Ene
ter by downward
poro us, drainage of rainwa
ely
rem
ext
is
soil
the
As
interfac es with the
dly. The percolated water
rapi
e
plac
es
tak
on
m
ati
col
per
ough the porous roc k fro the
water that has infiltrated thr
ater
er, whe
two
the
sea and lagoon. Fresh wat
water and
sur face of the denser salt
k,
roc
ous
spreads rapidly over the
n. Por
ough current and waveactio
to
le
tac
become thoroughly mixe d thr
obs
imposes an
he islands of Enewetak,
ped
sha
such as that found undert
ndg hiy rou
icts the mixing. On a rou
this rapid spread and restr
floating upon the
er
wat
sh
fre
of
y
form permeability, the bod
MAR
AP R
MAY
JUN
JUL
AUG
SEP
No Vv
oct
DEC
F IGURE 1-19.
.
MEAN MONTHLY RAINFALL OF ENEWETAK ATOLL
FLORA AND FAUNA
of 11-21 knots
island of uni
41
~—_—__—_—>1 10% of readings
are along vectors and from
Wind directions (given in degrees)
FIGURE 1-18.
St
|
Nf
17
2 1/20
166
!
Indicates Water Detreit
wer
“A
10
KNOTS
25%
178
|
eee
INCHES OF RAINFALL
3
&
SN
099 _. 1838
oO
ae oe
Q
Note:
‘
“
the potential water
g
of the year. 10
damage:?
N
15
'
cz
14
Description and History: 1526-1972
oe
sreTall HyPes and quantities of flora found on the atoll would depend ve
e
ore
n.
their oehei meistory under consideratio For exampl bef
ion . by German: entrepreneurs iin the 19th c entury,
.
ms growing on the atoll. When they were ventedta
weree Tew Coconut pal
cuous, if not the
of copra, they became thendmost conspi
e sourceof
numofallt
mostber
num
me Plants to be fou
on Enewetak Later the
, by
wo
rees, shrubs, , and bushes anu
greatly , affected
, and cle puld be gre
ing
stest
pon
r
wea
lea
nuc
on,
asi
inv
Since
Fouewojal
i
,
ij ¢
lacatesd
~
tn
i
the
parthory
yl
Line
Pavol
432
eetenitelemiclne
~
y
votlaree inane
Mar
i
é
not have
dense, lush, damp forests, and the native flora
Totals 4? specios ve variety. According to St. John, the indigenous flora
oeanug. ad .
these, four are endemic, all being of the genus
pandanus.
; rops and ornamentals amount to 26 in number and
weeds to 27. Altogether, the living flora totals 95 species. In