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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 38, Iss. 21 — Jul. 20, 1999
  • pp: 4585–4595

Aerosol observations by lidar in the nocturnal boundary layer

Paolo Di Girolamo, Paolo Francesco Ambrico, Aldo Amodeo, Antonella Boselli, Gelsomina Pappalardo, and Nicola Spinelli  »View Author Affiliations


Applied Optics, Vol. 38, Issue 21, pp. 4585-4595 (1999)
http://dx.doi.org/10.1364/AO.38.004585


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Abstract

Aerosol observations by lidar in the nocturnal boundary layer (NBL) were performed in Potenza, Southern Italy, from 20 January to 20 February 1997. Measurements during nine winter nights were considered, covering a variety of boundary-layer conditions. The vertical profiles of the aerosol backscattering coefficient at 355 and 723.37 nm were determined through a Klett-modified iterative procedure, assuming the extinction-to-backscattering ratio within the NBL has a constant value. Aerosol average size characteristics were retrieved from almost simultaneous profiles of the aerosol backscattering coefficient at 355 and 723.37 nm, the measurements being consistent with an accumulation mode radius not exceeding 0.4 µm. Similar results in terms of aerosol sizes were obtained from measurements of the extinction-to-backscattering ratio profile at 355 nm performed on six nights during the measurement campaign. Backscattering profiles at 723.37 nm were also converted into profiles of aerosol liquid water content.

© 1999 Optical Society of America

OCIS Codes
(010.1110) Atmospheric and oceanic optics : Aerosols
(280.1100) Remote sensing and sensors : Aerosol detection
(280.3640) Remote sensing and sensors : Lidar
(290.1310) Scattering : Atmospheric scattering
(290.1350) Scattering : Backscattering
(290.4020) Scattering : Mie theory

History
Original Manuscript: October 23, 1998
Revised Manuscript: April 5, 1999
Published: July 20, 1999

Citation
Paolo Di Girolamo, Paolo Francesco Ambrico, Aldo Amodeo, Antonella Boselli, Gelsomina Pappalardo, and Nicola Spinelli, "Aerosol observations by lidar in the nocturnal boundary layer," Appl. Opt. 38, 4585-4595 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-21-4585

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