Table 1. Data from the following observations made in the ORV Sagar Kanya cruise (#109) during January 5 to February 4, 1996 are used in present study.
Parameters Measured Instruments Used Responsibility
(i) Aerosol Optical Depths at 399, 479, 667, and 1051 nm

(ii)Aerosol Mass Concentration and size distribution (0.025, 0.05, 0.1, 0.2, 0.4, 0.8, 1.6, 3.2, 6.25, 12.5 mm radii)

(iii)Direct solar flux, W/m2 Broad Band (280-2800nm) and NIR (780-2800nm)
Hand Held sun-photometer

Quartz Crystal Microbalance (QCM) cascade impactor, California Measurements Inc. USA

Pyrheliometer with filter whell (normal Incidence), Eppley Laboratory Inc., USA
Physical Research Laboratory, Ahmedabad, India
(iv) Global Flux, W/m2 Broad Band (2800-2800nm) and NIR (7800-2800nm)

(v) Spectral Global Flux, W/m2 ( 305, 320, 380 (10nm FWHM) and PAR (400-700 nm))
Pyranometers ( 2 Nos.) Eppley Laboratory Inc., USA

Photodiode Radiometer Biospherical Instruments Inc., USA

Center for Clouds, Chemistry and Climate, Scripps Institute of Oceannography, San Diego, USA

*Address of the corresponding authors:

T.N. Krishanamurti
Department of Meterology
Florida State University
Tallahassee, FL 32360