THE NEAR-SURFACE LAYER OF THE OCEAN
obtained for calm weather conditions; the appropriate nondimensional
coefficients are interrelated by
1/ 3
4 / 3
0
0
cr
a
R f
/
.
(2.48)
Soloviev and
(1994) previously derived the asymptotic formula
(2.46) for the gas transfer velocity.
Table 2-1. Parameter V in (2.29) from the results of Garbe et al. (2002) and the computation
0
Wind speed, m s
-1
2.0
4.2
8.0
V
1.39
0.8
0.7
$ 0
1.08
0.92
0.89
For moderate wind speed conditions, which is an intermediate
asymptotic
0
cr
Rf
Rf
and
cr
Ke
Ke
, parameterizations (2.39)-(2.41)
reduce to
0
u
u
'
/ ,
(2.49)
1/ 2
1/ 2
0
0
0
Pr
Pr
/
T
T
q u
' | /
/
,
(2.50)
1
1 /2
0 0
K
A
Sc u
P
/
.
(2.51)
There is presumably no direct analog of (2.49) in the literature. Formula
(2.50) has an analog previously derived by Saunders (1967b)
0
Pr /
S
T
q u
O
'
,
(2.52)
while the formula similar to (2.51),
1/ 2
0
K
Sc u
P
J
,
(2.53)
can be found in several previous publications on air-sea gas exchange. The
dimensionless coefficients entering (2.50) and (2.52) are interrelated by
1/ 2
0 Pr
S
O
/
and
1
0
0 0
A
J
/ .
of coefficient A from equation (2.42).
98
Schl ssel
ü