krakow, 1.-3.10.2003. tasks inventory of qc procedures at the measurement sites spectral radiance...
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EDUCE Project:
Inventory of QC procedures and
correction tools at all sites
& Tasks within WP8
Mario Blumthaler
Institute for Medical PhysicsUniversity Innsbruck
Krakow, 1.-3.10.2003
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Tasks
• Inventory of QC procedures at the measurement sites
• Spectral radiance measurements and their interpretation
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Sky radiance distribution, 10.08.2000, near Thessaloniki, Greece
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Sky radiance measurements in the principal plane
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Effect of inhomogenous surface albedo on diffuse UV sky radiance
M. Huber, M. Blumthaler, J. Schreder and J. Lenoble
submitted to JGR, under minor revision after review
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0.94
0.96
0.98
1.00
1.02
1.04
1.06
0.92
0.94
0.96
0.98
1.00
1.02
1.04
1.06
0 30 60 90 120SCATTERING ANGLE [°]
90 60 30 0 30 60 90OBSERVATION ZENITH ANGLE [°]
31° SZA45° SZA63° SZA
31° SZA45° SZA63° SZA
PO
LA
RIS
AT
ION
CO
RR
EC
TIO
N F
AC
TO
R
Jungfraujoch (3576 m asl)
Model calculations carried out by J. Lenoble, Grenoble, F
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50
100
200
300
[re
l ati v
e u
nits
]R
AD
IAN
CE
60 30 0 30 60 90OBSERVATION ZENITH ANGLE [°]
90 60 30 0 30 60 90 60 30 0 30 60 90
45° SZA63° SZA 31° SZA
Jungfraujoch (3576 m asl)
solid line: measurement (350 nm)shaded area: model with albedo 0.8dashed line : model with albedo 0.4
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Jungfraujoch (3576 m asl)
view southwards view northwards
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