Linear polarization signatures of atmospheric dust with the SolPol direct-sun polarimeter

Abstract - 7. We, overall, report on detected increasing trends of linear polarization, reaching up to 700 parts per million, when the instrument is targeting away from its zenith and direct sunlight propagates through dust concentrations over the observatory. This distinct behaviour is absent on measurements we acquire on days with lack of dust particle concentrations and in general of low aerosol content. Moreover, we investigate the dependence of the degree of linear polarization on the layers' optical depth under various dust loads and solar zenith angles and attempt to interpret these observations as an indication of dust particles being preferentially aligned in the Earth's atmosphere.

Location
Deutsche Nationalbibliothek Frankfurt am Main
Extent
Online-Ressource
Language
Englisch

Bibliographic citation
Linear polarization signatures of atmospheric dust with the SolPol direct-sun polarimeter ; volume:16 ; number:19 ; year:2023 ; pages:4529-4550 ; extent:22
Atmospheric measurement techniques ; 16, Heft 19 (2023), 4529-4550 (gesamt 22)

Creator
Daskalopoulou, Vasiliki
Raptis, Ioannis Panagiotis
Tsekeri, Alexandra
Amiridis, Vassilis
Kazadzis, Stelios
Ulanowski, Zbigniew
Charmandaris, Vassilis
Tassis, Konstantinos
Martin, William

DOI
10.5194/amt-16-4529-2023
URN
urn:nbn:de:101:1-2023101904320179876465
Rights
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Last update
14.08.2025, 10:58 AM CEST

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