Download - CBLAST RU05 glider SAM data 02/02/06
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CBLASTCBLASTRU05 glider SAM RU05 glider SAM
datadata02/02/0602/02/06
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Sampling mapSampling map
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Time-space coordination of Time-space coordination of glider and vertical profilingglider and vertical profiling
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Water type coordinationWater type coordination
15.5 16 16.5 17 17.5 18 18.5 19 19.531
31.1
31.2
31.3
31.4
31.5
31.6
31.7
31.8
31.9
T
S
092105
16 16.5 17 17.5 18 18.5 19 19.530.8
31
31.2
31.4
31.6
31.8
32
T
S
092005
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Vicarious calibration: Vicarious calibration: backscatteringbackscattering
0 0.005 0.01 0.015 0.02 0.025-30
-25
-20
-15
-10
-5
0092105
bbp650
=s1*0.000024-0.0046
VP
glider
=s1*0.00002 – 0.003
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Vicarious calibration: Vicarious calibration: attenuationattenuation
0 0.2 0.4 0.6 0.8 1-30
-25
-20
-15
-10
-5
0
cpg650
z
092105
=log(S1/S2)*0.9-0.3=ln(S1/S2)*0.88 – 0.28
VP
glider
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Glider SAM: 09/06-10/03 Glider SAM: 09/06-10/03 attenuationattenuation
10 15 20 25 30
2
4
6
8
10
12
wind speed (m s-1)
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Glider SAM: 09/06-10/03 Glider SAM: 09/06-10/03 backscatteringbackscattering
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Glider SAM: 09/06-10/03 Glider SAM: 09/06-10/03 bbbpbp/c/cpgpg
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Glider SAM: 09/06-10/03 Glider SAM: 09/06-10/03 bulk particulate bulk particulate refractive indexrefractive index
np=1+1.671*(bbp650/bp650)^0.582Twardowski et al. 2001
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Glider SAM: 09/06-10/03 Glider SAM: 09/06-10/03 bulk particle densitybulk particle density
rho=(np-1.03)/0.15+1.1Twardowski et al. 2004
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Glider SAM: 09/06-10/03 Glider SAM: 09/06-10/03 visibilityvisibility
visibility=4.8/(cpg650*1.18 +0.081)Zaneveld and Pegau 2001
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Size distribution slope from Size distribution slope from current glider current glider
measurements…?measurements…?
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 30 60 90 120 150 180
angle (deg)
-S1
2/S
11
, S
22
/S1
1
-S12/S11
S22/S11
Fig. 3. Depolarization ratio and nonsphericity index for a sample from 15 m in the western Atlantic, collected October 19, 2005.
with slope of PSD?
ECO-BB3 bbp(532,650) [unpolarized, S11]SAM bbp(650) [polarized, S11-S12]
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Testing depolarization with Testing depolarization with VP dataVP data