Estuarine Conditions as of
July 10, 2007
St. Lucie Estuary
Current Conditions:
No releases occurred at S-80
over the past week. At the Roosevelt Bridge
salinity averaged 8.31 ppt on the surface and 15.4 ppt on the bottom for the
week. Corresponding values further downstream at the A1A Bridge are 22.96
ppt and 26.08 ppt. Salinities at both sites are within the preferred
range (8-25 ppt for the Roosevelt
Bridge and 20-31 ppt for
the A1A Bridge) (see attached).
Caloosahatchee Estuary
Current Conditions:
Discharge occurred at S-79
over the past week (weekly average 526 cfs). Weekly average surface
salinity ranged from 7.91 ppt at S-79 to 17.43 ppt at Ft. Myers.
Bottom salinities ranged from 12.85 ppt at S-79 to 18.23 ppt at Ft. Myers.
Salinity at Shell Point averaged 35.74 ppt on the surface and 36.91 ppt
on the bottom. Although salinity has decreased in the upper
estuary, it is still higher than what is desirable. In the lower estuary
and San Carlos Bay high salinities are good for seagrass and fair for oysters
(see attached).
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and graphs on line go to:
http://www.sfwmd.gov/org/pld/hsm/reg_app/lok_reg/WIWSE/summaries/lok_outlk.html
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click on “Coastal Ecosystems”
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