DRAFT
—
waters ure most stratified (i.c., density sradients ene great-.
est) at depths of 50 te 175 meters, being shoalest i the soutnhe
eastern part of the srea, deepest in the northwestern percio
and of intermediate depth at Bikini.
Weter masses in the arca
are primarily Equatorial Facific, Korth Facific Intermeciate,
nd West
Nerth Pacific Central.
Underwater sound propagation conditions et déepthne ebcve
the thermocline are food, ort will become less favoretle as
summer progresses.
Frovagetion in the deep vater Lc bottom
limited where Ceptns ere less than LOGO fathoms.
Ure aras of
the deep seunsa charmnmel is
1.5 times as dees as off the U. S. West Coast).
ty
s teneete caine pt
Abt
nysical hydvogravhy of Bikini
that onpteaineds at CRhOSS20A25,.
j%
a
ah
+
7.
t
moO
A
De
»
cmnin
4
eet
legoon ts siriilaer is
Surface waters move Aaccwind,
as
woe,
.
Sp Ras
pS
3
~
stean
Off
.
s
34
>
tae
.
4
>
re
+: }
ae
ana~ deep
waters
Flow
in
the onnosite
airection
te comulare
3~
selluler circulation.
Giverted bots rorth sna
at the vurwind end the dean wrtems ares
south into two se*csnderv
lagoon along the windward reefs and Flows out
chanacl and vat the leawarc reefs end
cnamnete,
through Enynu
Whtn soaiclsily
and southeasterly winis most ef the inflow occurs Shrough prwu
channel,
Speea cf the surface current was
measured
to be zbout
1.6% of the wind speed instead of 3% as previously found.
The
siderabiy less speed than thet obtained during previsus inves s*"gations
ag the trace winds wateriszlly cecrease, tie surtnes