Geoscience Reference
In-Depth Information
Table 11.2
Measurements of LW and SW radiative efficiency of dust
SW efficiency
LW efficiency
Location/campaign/method
TOA
Surface
Atm
TOA
Surface
Atm
Reference
North Africa
Sahara (observed RE from CERES)
35
65
Li et al. ( 2004 )
Sahara (RE from composition measurements,
modelled distribution)
45 to
39
Balkanski et al. ( 2007 )
Saharan plume (observed optical properties SHADE)
24
Anderson et al. ( 2005 )
Saharan plume (observed optical properties and
RE from SHADE)
38
Haywood et al. ( 2003 )
Saharan plume (observed optical properties and
RE from SHADE)
11
Highwood et al. ( 2003 )
Saharan dust (retrieved AOD from NAMMA)
13
2-10
Hansell et al. ( 2010 )
SAMUM - sea (observed optical properties)
81
Ansmann et al. ( 2011 )
SAMUM - land (observed optical properties)
10
Ansmann et al. ( 2011 )
Mediterranean plume (2 days, observed RE)
78
140
62
11.5
28
15
Di Sarra et al. ( 2011 )
Sahara (observed optical properties, GERBILS)
17
Osborne et al. ( 2011 )
Sahara (satellite obs)
16-20
Brindley and Russell ( 2009 )
Middle East
Cairo - April (observed RE)
60 (20)
180 (50)
122 (45)
El-Metwally et al. ( 2011 )
Asia
China - near source (observed optical properties
and AOD)
60
17-21
31-35
Hansell et al. ( 2012 )
China - dust event (observed RE)
80
50
Liu et al. ( 2011 )
ACE-ASIA (observed RE)
0-10
Vogelmann et al. ( 2003 )
India (observed optical properties)
66 Sharma et al. ( 2012 )
Radiative efficiencies are in Wm 2 (per unit AOD). Studies use a range of methodologies, including observing the radiative effect (RE), observing the optical
properties and AOD and then calculating RE or observing the optical properties and using these in global models
14
 
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