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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 22 — Oct. 29, 2007
  • pp: 14504–14515

Elevation information in tail (EIT) technique for lidar altimetry

Yongxiang Hu, Kathy Powell, Mark Vaughan, Charles Tepte, Carl Weimer, Mike Beherenfeld, Stuart Young, David Winker, Chris Hostetler, William Hunt, Ralph Kuehn, David Flittner, Mike Cisewski, Gary Gibson, Bing Lin, and David MacDonnell  »View Author Affiliations


Optics Express, Vol. 15, Issue 22, pp. 14504-14515 (2007)
http://dx.doi.org/10.1364/OE.15.014504


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Abstract

A technique we refer to as Elevation Information in Tail (EIT) has been developed to provide improved lidar altimetry from CALIPSO lidar data. The EIT technique is demonstrated using CALIPSO data and is applicable to other similar lidar systems with low-pass filters. The technique relies on an observed relation between the shape of the surface return signals (peak shape) and the detector photo-multiplier tube transient response (transient response tail). Application of the EIT to CALIPSO data resulted in an order of magnitude or better improvement in the CALIPSO land surface 30-meter elevation measurements. The results of EIT compared very well with the National Elevation Database (NED) high resolution elevation maps, and with the elevation measurements from the Shuttle Radar Topography Mission (SRTM).

© 2007 Optical Society of America

OCIS Codes
(010.3640) Atmospheric and oceanic optics : Lidar

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: July 19, 2007
Revised Manuscript: September 25, 2007
Manuscript Accepted: October 3, 2007
Published: October 19, 2007

Citation
Yongxiang Hu, Kathy Powell, Mark Vaughan, Charles Tepte, Carl Weimer, Mike Beherenfeld, Stuart Young, David Winker, Chris Hostetler, William Hunt, Ralph Kuehn, david Flittner, Mike Cisewski, Gary Gibson, Bing Lin, and David MacDonnell, "Elevation information in tail (EIT) technique for lidar altimetry," Opt. Express 15, 14504-14515 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-22-14504


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References

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