waa Libel cote Ses
ilgh portion of
and 1s found in z
le of the islet
ao
ith gand,
|
This
Portulaca (P. oleracea and P. samoensis) form the ground cover,
Boerhaavia 1s
the principal ground cover under Pisonila and Cordia.
or
a
THE OBSERVATIONS
7.
the plan
Four aspects of the observational program require consideration:
8 maximum
r part of the
of observation, instrumentation, instrument exposure (including site details),
>Overed with
and observational procedures.
! a definite
study most useful it is necessary to estimate how reliable the different kinds ©
argins.
of observations were.
In
In addition to make the data collected in this
all of these aspects
Except for the observational plan,
&& and Fleurya
of the observations are considered specifically in the detailed notes that
ur as isolated
accompany the Tables in Appendix I.
islet.
Plan of Observation:
The intensive observational periods extended from
1200 August 18th through 1100, September lst, 1957 and from 1200 January 25th
lL sand rock
> the tslet
7
through 1100, February 8th, 1958 (180th meridian time).
she islet,
'
ig summarized in Table II.
- Short per.
|
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4
the low
)
This plan was, in fact,
with three principal exceptions:
be described,
The plan of observation
followed reasonably closely
because of various difficulties that will not
there were days on which cloud photographs were not obtained and
hest portion
on which radarscope pictures were not obtained; and hygrothermograph records
shrub.
were not obtained for every day at all locations.
The
ib Pemphig,
A
In addition, a few of the
3-hourly observations were missed at KEITH and BRUCE, while at the northern
-xcept for a
islet sites (YVONNE and JANET) a few daily rainfall observations were missed.
l to coconuts,
The tabular data in Appendix I show precisely what these various omissions were.
41 or gang
most no
becomes
During the actual intensive observational periods,
special traverses were
f
made on BRUCE and KEITH to determine micro-scale variations in the dry- and
i
wet-bulb temperatures and in the temperature of the ocean and lagoon water at
00m side of
shallow depths upon the reef.
ver in the
mental observational data may prove of interest to some investigators.
forms a
7
Despite their relative paucity, these supple-
The extensive observational phase covered two perlods:
from September 1,
1957 through January 24, 1958 and from February 9, 1958 through August 17, 1958.
ast of the
=
Throughout almost all of this period semi-monthly rainfall totals were obtained
n side near
at BRUCE and KEITH and daily totals were obtained at FRED
and ELMER.
h is no
addition, some additional rainfall readings were made on YVONNE, JANET, and MACK,
Ln the open,
+ and
Organization of Observational Data:
In
The bulk of the observational data are
presented in the Tables of Appendix I, which contain
s its own Table of Contents,
19
RE en eee