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3-D polarised simul...
3-D polarised simulations of space-borne passive mm/sub-mm midlatitude cirrus observations : a case study
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- Davis, Cory (författare)
- University of Edinburgh, Institute of Atmospheric and Environmental Science
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- Evans, K. F. (författare)
- Department of Atmospheric and Oceanic Sciences, University of Colorado, Boulder
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- Buehler, Stefan (författare)
- Luleå tekniska universitet,Rymdteknik
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- Wu, D. L. (författare)
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena
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- Pumphrey, H. C. (författare)
- University of Edinburgh, Institute of Atmospheric and Environmental Science
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(creator_code:org_t)
- 2007-08-07
- 2007
- Engelska.
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Ingår i: Atmospheric Chemistry And Physics. - : Copernicus GmbH. - 1680-7316 .- 1680-7324. ; 7:15, s. 4149-4158
- Relaterad länk:
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https://ltu.diva-por... (primary) (Raw object)
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https://www.atmos-ch...
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https://urn.kb.se/re...
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https://doi.org/10.5...
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Abstract
Ämnesord
Stäng
- Global observations of ice clouds are needed to improve our understanding of their impact on earth's radiation balance and the water-cycle. Passive mm/sub-mm has some advantages compared to other space-borne cloud-ice remote sensing techniques. The physics of scattering makes forward radiative transfer modelling for such instruments challenging. This paper demonstrates the ability of a recently developed RT code, ARTS-MC, to accurately simulate observations of this type for a variety of viewing geometries corresponding to operational (AMSU-B, EOS-MLS) and proposed (CIWSIR) instruments. ARTS-MC employs an adjoint Monte-Carlo method, makes proper account of polarisation, and uses 3-D spherical geometry. The actual field of view characteristics for each instrument are also accounted for. A 3-D midlatitude cirrus scenario is used, which is derived from Chilbolton cloud radar data and a stochastic method for generating 3-D ice water content fields. These demonstration simulations clearly demonstrate the beamfilling effect, significant polarisation effects for non-spherical particles, and also a beamfilling effect with regard to polarisation.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Rymd- och flygteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Aerospace Engineering (hsv//eng)
Nyckelord
- Rymdteknik
- Space Technology
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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