CBLAST RU05 glider SAM data 02/02/06. Sampling map.

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Presentation transcript:

CBLAST RU05 glider SAM data 02/02/06

Sampling map

Time-space coordination of glider and vertical profiling

Water type coordination

Vicarious calibration: backscattering VP glider =s1* – 0.003

Vicarious calibration: attenuation =ln(S1/S2)*0.88 – 0.28 VP glider

Glider SAM: 09/06-10/03 attenuation wind speed (m s -1 )

Glider SAM: 09/06-10/03 backscattering

Glider SAM: 09/06-10/03 b bp /c pg

Glider SAM: 09/06-10/03 bulk particulate refractive index np= *(bbp650/bp650)^0.582 Twardowski et al. 2001

Glider SAM: 09/06-10/03 bulk particle density rho=(np-1.03)/ Twardowski et al. 2004

Glider SAM: 09/06-10/03 visibility visibility=4.8/(cpg650* ) Zaneveld and Pegau 2001

Size distribution slope from current glider measurements…? Fig. 3. Depolarization ratio and nonsphericity index for a sample from 15 m in the western Atlantic, collected October 19, with slope of PSD? ECO-BB3 bbp(532,650) [unpolarized, S11] SAM bbp(650) [polarized, S11-S12]

Testing depolarization with VP data