Document Detail


Recent advances in measurement of the water vapour continuum in the far-infrared spectral region.
MedLine Citation:
PMID:  22547236     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
We present a new derivation of the foreign-broadened water vapour continuum in the far-infrared (far-IR) pure rotation band between 24 μm and 120 μm (85-420 cm(-1)) from field data collected in flight campaigns of the Continuum Absorption by Visible and IR radiation and Atmospheric Relevance (CAVIAR) project with Imperial College's Tropospheric Airborne Fourier Transform Spectrometer (TAFTS) far-IR spectro-radiometer instrument onboard the Facility for Airborne Atmospheric Measurement (FAAM) BAe-146 research aircraft; and compare this new derivation with those recently published in the literature in this spectral band. This new dataset validates the current Mlawer-Tobin-Clough-Kneizys-Davies (MT-CKD) 2.5 model parametrization above 300 cm(-1), but indicates the need to strengthen the parametrization below 300 cm(-1), by up to 50 per cent at 100 cm(-1). Data recorded at a number of flight altitudes have allowed measurements within a wide range of column water vapour environments, greatly increasing the sensitivity of this analysis to the continuum strength.
Authors:
Paul D Green; Stuart M Newman; Ralph J Beeby; Jonathan E Murray; Juliet C Pickering; John E Harries
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Philosophical transactions. Series A, Mathematical, physical, and engineering sciences     Volume:  370     ISSN:  1364-503X     ISO Abbreviation:  Philos Trans A Math Phys Eng Sci     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-05-01     Completed Date:  2012-06-13     Revised Date:  2013-04-24    
Medline Journal Info:
Nlm Unique ID:  101133385     Medline TA:  Philos Trans A Math Phys Eng Sci     Country:  England    
Other Details:
Languages:  eng     Pagination:  2637-55     Citation Subset:  -    
Affiliation:
Space and Atmospheric Physics, Blackett Laboratory, Imperial College, Prince Consort Road, London SW7 2BZ, UK. p.green@imperial.ac.uk
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