Table 25-Z Relative Turbulence Measurements 
in the Experimental Microcosms and in Narragansett Bay 
Vertical Eddy Diffusivity 
2 -1 
K, cm sec 
Microcosms with one paddle 3.6 - 3.8 
Microcosms with half paddle 2.2 - 3.8 
Microcosms with no paddle * 0 
Narragansett Bay, mean for the 
West Passage (Hess 1976) 5 
Rates of Horizontal Dye Patch Dispersion 
Time to Disperse, sec 
Microcosms with one paddle (N=7) 5.4 ± 1.2 
Microcosms with half paddle (N=7) 8.4 ± 1.2 
Microcosms with no paddle (N=1) » 900 
Narragansett Bay, West Passage 
day 1 (N=10) 18.0 ± 5.4 
day 2 (N=6) 13.4 ± 1.9 
day 3 (N=6) 17.5 ± 2.5 
CaSO^ Dissolution Rate 
Microcosms with one paddle 
Microcosms with half paddle 
Microcosms with no paddle 
Weight Loss, % hr' 1 
1.83 ± 0.20 
0.73 ± 0.36 
0.27 ± 0.05 
Narragansett Bay, West Passage, 
mean for vertical profiles 
3.30 ± 0.60 
4.39 ± 1.10 
C >2 Diffusion Coefficient at the Air-Water Interface 
K, juM m~2 hr~^ atm'^ 
Microcosms with one paddle 27 
Microcosms with half paddle 8 
Microcosms with no paddle 2 
Narragansett Bay, West Passage 
calm day 30 
windy day 137 
windy day 125 
392 
