caviar meeting
DESCRIPTION
CAVIAR Meeting. Exeter April 2010 Liam Tallis, Keith Shine, Tom Gardiner, Marc Coleman, Igor Ptashnik. Contents. Assessment of H 2 O Line Intensities Introduction Camborne Jungfraujoch Moving Toward the Absolute Calibration Camborne Future Work. Introduction. - PowerPoint PPT PresentationTRANSCRIPT
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CAVIAR Meeting
Exeter April 2010
Liam Tallis, Keith Shine, Tom Gardiner, Marc Coleman, Igor Ptashnik
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Contents
• Assessment of H2O Line Intensities– Introduction– Camborne– Jungfraujoch
• Moving Toward the Absolute Calibration– Camborne
• Future Work
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ASSESSMENT OF H2O LINE INTENSITIES
Introduction
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Introduction
a τw + b τg + c
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ASSESSMENT OF H2O LINE INTENSITIES
Camborne
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Fit
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Retrieved “a” parameter
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MCT Problems
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MCT Problems
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MCT Problems
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MCT Problems
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Fit Wings of Strong Lines
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Fit All of Weaker Lines
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Retrieved “a” parameter
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MCT Retrieved “a” Numbers
Flight Date Time (U.T.)Solar Zenith Angle
Average a Value Between 820cm-1 and 920cm-1
B396 19 Aug 2008 130941 38.77 0.976131050 38.83 0.980131204 38.89 0.979131243 38.92 0.979
B400 18 Sep 2008 111459 48.98 0.976111459 48.98 1.021
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ASSESSMENT OF H2O LINE INTENSITIES
Jungfraujoch
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Fit
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Retrieved “a” parameter
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ABSOLUTE CALIBRATION
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Optical Depth at Camborne
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Optical Depth at Camborne
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Optical Depth at Camborne
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Optical Depth at Camborne
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FUTURE WORK IDEAS
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Future Work• Assessment of Line Intensities
– Camborne • Completed; retrieved “a” are consistent with previous work
– Jungfraujoch• Work has began; will be fairly quick with confirmed water profiles. Initial results are quite
promising– Write up
• Already began writing this up as a paper....
• Absolute Calibration– Camborne
• On going work; need to think in some detail now what is causing difference between model and observations (line lists, continuum model, Kurucz , water profiles.........)
– Jungfraujoch• No Work Yet