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Titel |
Retrieval of spatio-temporal distributions of particle parameters from multiwavelength lidar measurements using the linear estimation technique and comparison with AERONET |
VerfasserIn |
I. Veselovskii, D. N. Whiteman, M. Korenskiy, A. Kolgotin, O. Dubovik, D. Pérez-Ramírez, A. Suvorina |
Medientyp |
Artikel
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Sprache |
Englisch
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ISSN |
1867-1381
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Digitales Dokument |
URL |
Erschienen |
In: Atmospheric Measurement Techniques ; 6, no. 10 ; Nr. 6, no. 10 (2013-10-16), S.2671-2682 |
Datensatznummer |
250085082
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Publikation (Nr.) |
copernicus.org/amt-6-2671-2013.pdf |
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Zusammenfassung |
The results of the application of the linear estimation technique to
multiwavelength Raman lidar measurements performed during the summer of 2011
in Greenbelt, MD, USA, are presented. We demonstrate that multiwavelength
lidars are capable not only of providing vertical profiles of particle
properties but also of revealing the spatio-temporal evolution of aerosol
features. The nighttime 3β + 1α lidar measurements on
21 and 22 July were inverted to spatio-temporal distributions of particle
microphysical parameters, such as volume, number density, effective radius
and the complex refractive index. The particle volume and number density
show strong variation during the night, while the effective radius remains
approximately constant. The real part of the refractive index demonstrates a
slight decreasing tendency in a region of enhanced extinction coefficient.
The linear estimation retrievals are stable and provide time series of
particle parameters as a function of height at 4 min resolution. AERONET
observations are compared with multiwavelength lidar retrievals showing good
agreement. |
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