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Vertical resolution of oversampled limb-sounding measurements from satellites and aircraft

Roscoe, H.K.; Hill, J.G.T.. 2002 Vertical resolution of oversampled limb-sounding measurements from satellites and aircraft. Journal of Quantitative Spectroscopy and Radiative Transfer, 72 (3). 237-248. 10.1016/S0022-4073(01)00121-2

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Abstract/Summary

Measurements of trace gases by remote sensors which observe the atmospheric limb have a natural verticalresolution of 2–. With a typical field of view this becomes 3–. Oversampling, combined with acceptance of a degradation in random error, improves the verticalresolution. We investigate the improvement by means of Backus–Gilbert trade-off curves. Sacrificing a factor 10 in random error results in resolutions of for measurements of weak absorption or emission, and for strong pressure-broadened absorption. Weighting function calculations are technically more difficult for airborne than for satellitelimb-sounders; oversampled functions cause more technical difficulty.

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1016/S0022-4073(01)00121-2
Programmes: BAS Programmes > Other Special Projects
ISSN: 0022-4073
Additional Keywords: inversion, limb-sounding, resolution
Date made live: 22 Mar 2012 11:19
URI: http://nora.nerc.ac.uk/id/eprint/17416

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