Roughness Sublayer Turbulence in the Community Land ... - cmmap
Roughness Sublayer Turbulence in the Community Land ... - cmmap
Roughness Sublayer Turbulence in the Community Land ... - cmmap
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Canopy turbulence and <strong>the</strong> roughness sublayer <br />
0<br />
W<strong>in</strong>d speed <br />
<strong>in</strong>creas<strong>in</strong>gly unstable <br />
z-d<br />
L = 0 .016 0.045 -0.065 -0.085 -0.107 -0.306<br />
Poten6al temperature <br />
-0.03 -0.047 -0.065 -0.082 -0.104 -0.239<br />
z-d<br />
L<br />
-1<br />
-2<br />
-3<br />
OBS<br />
MOST<br />
N = 18<br />
43<br />
50<br />
33<br />
33<br />
49<br />
2 1<br />
N = 13<br />
36<br />
48<br />
26<br />
30<br />
60<br />
Flow with<strong>in</strong> 2-‐3 canopy heights above/with<strong>in</strong> tall (plant) canopies does not conform to <br />
Mon<strong>in</strong>-‐Obukhov Similarity Theory (M-‐O); this region is called <strong>the</strong> roughness sublayer (RSL). <br />
Raupach (1976), Chen and SchwerdPeger (1989)
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