Universität zu Köln

Di Girolamo, Paolo, Scoccione, Andrea ORCID: 0000-0003-4137-700X, Cacciani, Marco, Summa, Donato, De Rosa, Benedetto and Schween, Jan H. (2018). Clear-air lidar dark band. Atmos. Chem. Phys., 18 (7). S. 4885 - 4897. GOTTINGEN: COPERNICUS GESELLSCHAFT MBH. ISSN 1680-7324

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Abstract

This paper illustrates measurements carried out by the Raman lidar BASIL in the frame of the HD(CP)(2) Observational Prototype Experiment (HOPE), revealing the presence of a clear-air dark band phenomenon (i.e. a minimum in lidar backscatter echoes) in the upper portion of the convective boundary layer. The phenomenon is clearly distinguishable in the lidar backscatter echoes at 532 and 1064 nm, as well as in the particle depolarisation data. This phenomenon is attributed to the presence of lignite aerosol particles advected from the surrounding open pit mines in the vicinity of the measuring site. The paper provides evidence of the phenomenon and illustrates possible interpretations for its occurrence.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Di Girolamo, Paolo UNSPECIFIED UNSPECIFIED UNSPECIFIED Scoccione, Andrea UNSPECIFIED orcid.org/0000-0003-4137-700X UNSPECIFIED Cacciani, Marco UNSPECIFIED UNSPECIFIED UNSPECIFIED Summa, Donato UNSPECIFIED UNSPECIFIED UNSPECIFIED De Rosa, Benedetto UNSPECIFIED UNSPECIFIED UNSPECIFIED Schween, Jan H. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-189524
DOI:	10.5194/acp-18-4885-2018
Journal or Publication Title:	Atmos. Chem. Phys.
Volume:	18
Number:	7
Page Range:	S. 4885 - 4897
Date:	2018
Publisher:	COPERNICUS GESELLSCHAFT MBH
Place of Publication:	GOTTINGEN
ISSN:	1680-7324
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language CONVECTIVE BOUNDARY-LAYER; ROTATIONAL RAMAN LIDAR; RELATIVE-HUMIDITY; BRIGHT BAND; ATMOSPHERIC-TEMPERATURE; AEROSOL CLASSIFICATION; RADAR MEASUREMENTS; REFRACTIVE-INDEX; MELTING LAYER; WATER-UPTAKE Multiple languages Environmental Sciences; Meteorology & Atmospheric Sciences Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/18952