Experimental Approach
Sable Island, 300 km ESE of Halifax, Nova Scotia
Sample heating to maintain RH < 40%
Size-segregated sampling, cut at 1 & 10 mm diameter
TSI integrating nephelometer (450, 550, 700 nm)
- data reported for 3/95 - 9/97 (2-1/2 years)
Radiance Research continuous light absorption photometer (565 nm)
- data reported for 10/95 - 9/97 (2 years)
Estimation of b from measured backscatter fraction
- assume Heyney-Greenstein phase function, following Wiscombe and Grams (1976)
Estimation of DF/Dd
- assume Rs = 0.06 (dark ocean), clear-sky only