Geoscience Reference
In-Depth Information
0.2
10
10−m Wind Speed
a
0.15
0.1
5
Drift Speed
0.05
0
0
167
167.5
168
168.5
169
169.5
170
170.5
171
SHEBA u
*
0.015
b
0.01
0.005
4 m
8 m
0
167
167.5
168
168.5
169
169.5
170
170.5
171
Day of 1998
Plate 21 a
Wind speed at 10m and ice drift speed after removing inertial component, 16-20 June
1998, at the SHEBA station. Ice speed ordinate range is 2% of the wind speed range. Time is
shown as days of 1998, where 167.0 is 0000UT on 16 June.
b
. Friction velocity (square root of
kinematic Reynolds stress) measured at two distances from the ice/water interface (see also in
black-and-white on page 146)
SHEBA Turbulence Mast Temperatures
−1.625
a
−1.6375
4 m
8 m
−1.65
167
167.5
168
168.5
169
169.5
170
170.5
171
SHEBA Turbulent Heat Flux
5
b
0
−5
−10
4 m
8 m
−15
167
167.5
168
168.5
169
169.5
170
170.5
171
Day of 1998
Plate 22 a
Three-hour average turbulence mast temperatures. Shaded circles represent local solar
zenith,atapproximatelyUT
w
T
+
23h.
b
Corresponding heat fluxmeasurements:
ρ
c
p
(see also
inblack-and-white on page 147)
