Solar radiation, total column ozone content and aerosol optical properties monitoring at the ground-based station in Kishinev, Moldova A.Aculinin1, A. Smirnov2,3, V.Smicov1, T. F.Eck2,3, and B.Holben3 1. Institute of Applied Physics of the Academy of Sciences of Moldova, 5 Academiei str., Kishinev, MD-2028, Moldova (e-mail: akulinin@phys.asm.md) 2. Goddard Earth Sciences and Technology Center, University of Maryland, Baltimore County, Baltimore, Maryland, USA (e-mail: asmirnov@aeronet.gsfc.nasa.gov) 3. Biospheric Sciences Branch, NASA Goddard Space Flight Center, Greenbelt, Maryland, USA