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Inclined Lidar Observations of Boundary Layer Aerosol Particles above the Kongsfjord, Svalbard
Alfred Wegener Inst Polar & Marine Res, Potsdam, Germany..
Norwegian Polar Res Inst, Tromso, Norway.;Stockholm Univ, Dept Appl Environm Sci, Stockholm, Sweden..
Alfred Wegener Inst Polar & Marine Res, Potsdam, Germany..
Alfred Wegener Inst Polar & Marine Res, Potsdam, Germany..ORCID-id: 0000-0001-7382-7832
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2012 (engelsk)Inngår i: Acta Geophysica, ISSN 1895-6572, E-ISSN 1895-7455, Vol. 60, nr 5, s. 1287-1307Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

An inclined lidar with vertical resolution of 0.4 m was used for detailed boundary layer studies and to link observations at Zeppelin Mountain (474 m) and Ny-Alesund, Svalbard. We report on the observation of aerosol layers directly above the Kongsfjord. On 29 April 2007, a layer of enhanced backscatter was observed in the lowest 25 m above the open water surface. The low depolarization ratio indicated spherical particles. In the afternoon, this layer disappeared. The ultrafine particle concentration at Zeppelin and Corbel station (close to the Kongsfjord) was low. On 1 May 2007, a drying process in the boundary layer was observed. In the morning, the atmosphere up to Zeppelin Mountain showed enhanced values of the backscatter coefficient. Around noon, the top of the highly reflecting boundary layer decreased from 350 to 250 m. The top of the boundary layer observed by lidar was confirmed by radiosonde data.

sted, utgiver, år, opplag, sider
2012. Vol. 60, nr 5, s. 1287-1307
Emneord [en]
Arctic boundary layer, lidar, aerosol, Svalbard
Forskningsprogram
SWEDARCTIC 2006, Zeppelin; SWEDARCTIC 2007, Zeppelin 2007
Identifikatorer
URN: urn:nbn:se:polar:diva-2298DOI: 10.2478/s11600-011-0067-4ISI: 000308578100003OAI: oai:DiVA.org:polar-2298DiVA, id: diva2:858253
Tilgjengelig fra: 2015-10-01 Laget: 2015-10-01 Sist oppdatert: 2017-12-01

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