nevertheless play an important role in the dynamics of sharp frontal
interfaces to be considered in Chapter 5.
Table 3-2. Order of magnitude estimate of buoyancy (D B ), rotation (D E and L G ), pressuregradient (L P ) length scales for different surface stress values
a
.
*
u , cm s
-1
D B ,, m
L P , m
D E , m
L G , m
0.1
0.1 b
20
50
14
0.5
12.5 b
100
250
69
1.0
100 b
200
500
137
2.0
800
800
1000
274
b
a According to Kraus and Businger (1994), the depth of the mixed layer is
0.25
E
E
D
L
|
in the
case of no stratification. Buoyancy forces apparently dominate over Coriolis forces, when
D B <
Chapter 3: NEAR-SURFACE TURBULENCE
217
interfaces to be considered in Chapter 5.
Table 3-2. Order of magnitude estimate of buoyancy (D B ), rotation (D E and L G ), pressuregradient (L P ) length scales for different surface stress values
a
.
*
u , cm s
-1
D B ,, m
L P , m
D E , m
L G , m
0.1
0.1 b
20
50
14
0.5
12.5 b
100
250
69
1.0
100 b
200
500
137
2.0
800
800
1000
274
b
a According to Kraus and Businger (1994), the depth of the mixed layer is
0.25
E
E
D
L
|
in the
case of no stratification. Buoyancy forces apparently dominate over Coriolis forces, when
D B <
Chapter 3: NEAR-SURFACE TURBULENCE
217