Physics
Scientific paper
Dec 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002georl..29w..46r&link_type=abstract
Geophysical Research Letters, Volume 29, Issue 23, pp. 46-1, CiteID 2131, DOI 10.1029/2002GL015395
Physics
3
Atmospheric Composition And Structure: Aerosols And Particles (0345, 4801), Atmospheric Composition And Structure: Troposphere-Composition And Chemistry, Meteorology And Atmospheric Dynamics: Radiative Processes, Meteorology And Atmospheric Dynamics: Remote Sensing, Information Related To Geographic Region: Antarctica
Scientific paper
Remotely sensing the physical and chemical properties of summertime aerosol at the Antarctic coastal station Neumayer has been accomplished for the first time by a combined analysis of atmospheric thermal emission spectra, measured by an FTIR spectrometer, and atmospheric visible-near infrared extinction spectra, measured by a sun photometer. From the synergy of both spectral ranges, we find that the aerosol is composed of 1.1-1.6 mg m-2 of sulfates, with the water component in the solid phase, having a bimodal size distribution with radii peaking at 0.04 and 0.64 μm. We also provide the first estimate of the direct thermal radiative forcing of this aerosol: +1.68 W m-2 at the surface, and +0.006 W m-2 at the top of the atmosphere.
Fischer Jürgen
Herber Andreas
Notholt Justus
Rathke Carsten
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