[email protected] © University of Reading 2009 1 Radiative effects of persistent aircraft contrails: a case study Richard Allan Environmental Systems Science Centre Jim Haywood Met Office
[email protected] © University of Reading 2009 1 Radiative effects of persistent aircraft contrails: a case study Richard Allan Environmental Systems.
Mar 28, 2015
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[email protected]© University of Reading 20091
Radiative effects of persistent aircraft contrails: a case study
Richard AllanEnvironmental Systems Science Centre
Jim HaywoodMet Office
[email protected]© University of Reading 20092Courtesy of Jim Haywood
Met Office NAME model
NOAA17 satellite image 20 March 2009 10:06
[email protected]© University of Reading 20093Courtesy of Jim Haywood
[email protected]© University of Reading 20094Courtesy of Jim Haywood
[email protected]© University of Reading 20095Courtesy of Jim Haywood
[email protected]© University of Reading 20096Courtesy of Jim Haywood
[email protected]© University of Reading 20097Courtesy of Jim Haywood
[email protected]© University of Reading 20098Courtesy of Jim Haywood
[email protected]© University of Reading 20099
Using GERB-like/SEVIRI to quantify radiative effects of persistent contrail cirrus
[email protected]© University of Reading 200910
[email protected]© University of Reading 200913
Aircraft field campaign to investigate radiative effect of dust over West Sahara and improve model simulations
Lead by Jim Haywood (UK Met Office)
Model-GERB
[email protected]© University of Reading 200914
Opportunities:
Continuous Monitoring of models and observations
13th March | 14th March 2006
Model S
W albedo
2005 2006
Change in model minus GERB flux differences: relate to change in model physics implementation
Identify problem and fix: convective cloud decay time-scale
Monitor improvement using GERB/CloudSat
1 2
3
Allan et al. (2007) QJRMS
[email protected]© University of Reading 200915 Allan et al. (2007) QJRMS
2008
Opportunities: linking the cloud feedback and water/energy cycles issues- Radiative/microphysical properties of marine stratiform cloud- CloudSat/CALIPSO, GERB/CERES, SSM/I
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