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          Institute: MPI für Chemie     Collection: Publikationen MPI für Chemie     Display Documents



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ID: 18229.0, MPI für Chemie / Publikationen MPI für Chemie
Absorbing mediterranean aerosols lead to a large reduction in the solar radiation at the surface
Authors:Markowicz, K. M.; Flatau, P. J.; Ramana, M. V.; Crutzen, P. J.; Ramanathan, V.
Language:English
Date of Publication (YYYY-MM-DD):2002-10-15
Title of Journal:Geophysical Research Letters
Journal Abbrev.:Geophys. Res. Lett.
Volume:29
Issue / Number:20
Sequence Number of Article:1968
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:[1] We present direct radiometric observations of aerosol radiative forcing taken during the MINOS experiment (2001) at Finokalia Sampling Station located on North-Eastern shores of Crete, Greece. The mean value of aerosol optical thickness was 0.21 at 500 nm. Aerosols, mostly of anthropogenic origin, lead to a diurnal average reduction of 17.9 W m(-2) in the surface solar radiation, an increase of 11.3 W m(-2) in the atmospheric solar absorption, and an increase of 6.6 W m(-2) in the reflected solar radiation at the top-of-the atmosphere. Thus, the present data gives observational proof for the large role of absorbing aerosols in the Mediterranean. The negative surface forcing and large positive atmospheric forcing values observed for the Mediterranean aerosols is nearly identical to the highly absorbing south Asian haze observed over the Arabian Sea.
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Chemie/Chemie der Atmosphäre
External Affiliations:Univ Warsaw, Inst Geophys, PL-00325 Warsaw, Poland; USN, Res Lab, Monterey, CA USA; Univ Calif San Diego, Scripps Inst Oceanog, Ctr Atmospher Sci, San Diego, CA 92103 USA
Identifiers:ISI:000180607700029
ISSN:0094-8276
DOI:10.1029/2002GL015767
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