Thin Cirrus in the Tropical Tropopause Layer

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Thin Cirrus in the Tropical Tropopause Layer

• Chuck Bardeen, Brian Toon
• University of Colorado / LASP
• Eric Jensen
• NASA Ames Research Center
• HIRDLS Science Team Meeting
• January 30-31, 2008

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My Current Work

• TC4
• TTL Thin Cirrus Model
• PhD
• Meteoric Dust Model
• PMC Model
• Postdoc
• TTL Thin Cirrus Model

Corti et al. 2006
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CAM/CARMA
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Microphysics
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Cloud Frequency (Feb-Apr)
CAM/CARMA
Calipso
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Needs
CAM/CARMA

• Validation
• HIRDLS
• CALIPSO
• CloudSat
• MLS
• COSMIC
• TC4, CR-AVE
• Model Issues
• Too Dry?
• Lacking Convection?
• Allow Supersaturation
• Increase Vertical Resolution

Water Vapor
IWC
MLS
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HIRDLS Fields of Interest

• UT/LS
• Clouds
• Water Vapor
• Temperature
• Ozone?

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Toon Group Activities

• CAM/CARMA
• Sea Salt (Fan, Madry)
• Dust (Su)
• Smoke (Matichuk)
• TTL Thin Cirrus (Bardeen, Stokowski?)
• WACCM/CARMA
• PSC (Stokowski?)
• Sulfates (Mills, English)
• Meteoric Dust (Bardeen)
• PMC (Bardeen, Mills)