Aerosol models from the AERONET database: application to surface reflectance validation
Abstract τ 440 α 440 – 870. Such aerosol models were developed for 851 AERONET sites within the last 28 years. Obtained results suggest that empirically microphysical properties can be retrieved with uncertainties of up to 23 %. An exception is the imaginary part of the refractive index ni, for which the derived uncertainties reach up to 38 %. These specific parametric models of aerosol can be used for the studies when retrieval of microphysical properties is required as well as validation of satellite-derived products over land. Specifically, we demonstrate the usefulness of the aerosol models to validate surface reflectance records over land derived from optical remote sensing sensors. We then quantify the propagation of uncertainties in the surface reflectance due to uncertainties with the aerosol model retrieval that is used as a reference from radiative transfer simulations. Results indicate that individual aerosol microphysical properties can impact uncertainties in surface reflectance retrievals between 3.5 × - 5 × - 3 < + ρ ρ is the retrieved surface reflectance) used for the MODIS atmospheric correction.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Aerosol models from the AERONET database: application to surface reflectance validation ; volume:15 ; number:5 ; year:2022 ; pages:1123-1144 ; extent:22
Atmospheric measurement techniques ; 15, Heft 5 (2022), 1123-1144 (gesamt 22)
- Urheber
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Roger, Jean-Claude
Vermote, Eric
Skakun, Sergii
Murphy, Emilie
Dubovik, Oleg
Kalecinski, Natacha
Korgo, Bruno
Holben, Brent
- DOI
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10.5194/amt-15-1123-2022
- URN
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urn:nbn:de:101:1-2022031004253667323173
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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15.08.2025, 07:32 MESZ
Datenpartner
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Beteiligte
- Roger, Jean-Claude
- Vermote, Eric
- Skakun, Sergii
- Murphy, Emilie
- Dubovik, Oleg
- Kalecinski, Natacha
- Korgo, Bruno
- Holben, Brent
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