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Antarctic Clouds
Tom Lachlan-CopeJohn King, Amélie Kirchgaessner
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Meteorological Airborne Science INstrumentation (MASIN)
• Boundary Layer• Sea ice
• Cloud Studies• Large scale flow
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Instruments• Temperature + Humidity• Radiation• Turbulence (wind) • Fast Temperature, Humidity and CO2• Cloud probe CAPS DPOL• Aerosol Inlet• Camera• Laser Altimeter/Scanning Laser• Surface temperature• Chemistry Inlets
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Boom with turbulence probe
Upward directed short- and long wave radiometers
Downward directed short- and long wave radiometersFrost point
hygrometer
Aerosol inlet
temperatureIRT and video camera
Cloud Probe
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Cloud observations over Antarctic Peninsula
• Two campaigns – about 150 hrs flying• See: Grosvenor, D. P., Choularton, T. W., Lachlan-Cope, T.,
Gallagher, M. W., Crosier, J., Bower, K. N., Ladkin, R. S., and Dorsey, J. R.: In-situ aircraft observations of ice concentrations within clouds over the Antarctic Peninsula and Larsen Ice Shelf, Atmos. Chem. Phys., 12, 11275-11294, doi:10.5194/acp-12-11275-2012, 2012.
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SWnet LWnet HS HL E-40
-20
0
20
40
60
80
AWSAMPSUM
Surface energy balance8 Jan - 8 Feb 2011
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AMPS 5 km
SWnet LWnet
Hs HL
+23.5 -5.7
-4.5 +5.1
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British Antarctic Survey Antarctic Research Stations
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Aircraft measurements Clouds Aerosols BL
Surface measurements• IN• CCN• Aerosols• Chemistry
MAC
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Any Questions?