© University of Reading 2008 www.reading.ac.uk Department of Meteorology Deriving the Extraterrestrial Solar Spectrum Kaah Menang, Liam Tallis, Igor Ptashnik.

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Presentation transcript:

© University of Reading Department of Meteorology Deriving the Extraterrestrial Solar Spectrum Kaah Menang, Liam Tallis, Igor Ptashnik and Keith Shine.

CAVIAR Field Meeting, Reading University (6 December2010) Update on Filtering and Derived Spectra 2 Three Methods of filtering: Using Optical Depths Using RMSE of the fit Using air mass and irradiances

CAVIAR Field Meeting, Reading University (6 December2010) Filtering(Camborne) 3

CAVIAR Field Meeting, Reading University (6 December2010) Filtering(Using OD) 4

CAVIAR Field Meeting, Reading University (6 December2010) Filtering(Using RMSE) 5

CAVIAR Field Meeting, Reading University (6 December2010) Filtering(Using AM and I) 6

CAVIAR Field Meeting, Reading University (6 December2010) Derived(filtered) OD/spectrum for 22/08/2008 7

CAVIAR Field Meeting, Reading University (6 December2010) Derived(filtered) spectrum(Cam/Kurucz) 8

CAVIAR Field Meeting, Reading University (6 December2010) Derived(filtered) spectrum(Cam/Kurucz) 9

CAVIAR Field Meeting, Reading University (6 December2010) Derived(filtered) spectrum(Cam/Jung/Kurucz) 10

CAVIAR Field Meeting, Reading University (6 December2010) Derived(filtered) spectrum(Cam/Jung/Kurucz) 11

CAVIAR Field Meeting, Reading University (6 December2010) Langley plots 22/08/200818/09/2008

CAVIAR Field Meeting, Reading University (6 December2010) Langley plots 22/08/200818/09/2008

CAVIAR Field Meeting, Reading University (6 December2010) Langley plots 22/08/200818/09/2008

CAVIAR Field Meeting, Reading University (6 December2010) RMSE plots 22/08/200818/09/2008

CAVIAR Field Meeting, Reading University (6 December2010) Discussion/Future Work Derived TOA solar spectrum different for 2 days in Camborne. Derived TOA solar spectrum from Camborne very different from that of Jungfraujoch 16

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