Estuarine Conditions as of November 18, 2008
St.
Lucie Estuary
Current
Conditions:
Over the past week discharge averaged
215 cfs at S-80. Discharge from the
|
Weekly Average Salinity (ppt) |
|
|
Sampling Site |
Surface |
Bottom |
Envelope |
|
5.31 (3.35) |
6.61 (5.41) |
|
HR1 (N. Fork) |
11.27 (9.76) |
12.58 (15.38) |
|
|
12.68 (11.82) |
14.06 (14.98) |
8.0 – 25.0 |
A1A Bridge |
22.68 (18.66) |
25.09 (24.44) |
20.0 – 31.0 |
Salinity increased throughout the
estuary with a slight decrease in bottom salinities at HR1 and the
Caloosahatchee
Estuary
Current
Conditions:
During the last week, discharge averaged 433 cfs at S-79, 253 cfs at S-78, and 333 cfs at S-77. The concentration of chlorides at the Olga Plant was 65 ppm yesterday. The current weekly average salinities (in bold) at the six monitoring sites in the Caloosahatchee Estuary are given below in parts per thousand (ppt), along with the previous week’s (in parenthesis).
|
Weekly Average Salinity (ppt) |
|
Sampling Site |
Surface |
Bottom |
|
4.34 (4.31) |
4.33 (4.47) |
Rt. 31 Bridge |
5.14(3.70) |
5.46 (5.95) |
I-75 Bridge |
5.58 (3.30) |
6.59 (9.41) |
|
9.44 (6.18) |
9.65 (13.72) |
|
17.05 (12.77) |
17.80 (16.24) |
Shell Point |
27.97 (23.53) |
27.50 (24.14) |
Salinity increased throughout the
estuary except for bottom salinities above Ft.Myers. Salinity conditions in the
upper estuary east of
FWRI (Fish and Wildlife Research
Institute) reports that water samples collected
alongshore between Pinellas and Collier counties contained no K. brevis. Additional samples, collected
offshore of Sanibel Island in
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