Estuarine Conditions as of December 16, 2008
St. Lucie Estuary
Current Conditions:
Over the past week discharge
averaged 0 cfs at
S-80. Discharge from the
|
Weekly Average Salinity (ppt) |
|
|
Sampling Site |
Surface |
Bottom |
Envelope |
|
10.6 (7.1) |
12.1 (8.9) |
|
HR1 (N. Fork) |
14.3 (14.4) |
17.2 (15.2) |
|
|
17.0 (15.9) |
18.7 (17.2) |
8.0 – 25.0 |
A1A Bridge |
25.3 (23.4) |
27.2 (26.1) |
20.0 – 31.0 |
Salinity changed only slightly
throughout the estuary during the past week. Salinity at
Caloosahatchee Estuary
Current Conditions:
During the last week, discharge averaged 673 cfs at S-79, 361 cfs at S-78, and 334 cfs at S-77. The concentration of chlorides at the Olga Plant was 70 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 |
|
4.4 (3.9) |
4.7 (4.1) |
Rt. 31 Bridge |
4.4 (4.3) |
5.2 (4.7) |
I-75 Bridge |
4.6 (4.8) |
8.5 (6.6) |
|
11.0 (10.7) |
14.3 (11.8) |
|
17.0 (19.6) |
19.3 (20.6) |
Shell Point |
27.8 (29.0) |
27.9 (30.5) |
Salinity conditions in the upper
estuary east of
FWRI
(Fish and Wildlife Research Institute) reports that water
samples collected alongshore between Pinellas and Monroe counties contained no K.
brevis. (www.floridamarine.org).
Monitoring data collected by the River, Estuary and Coastal Observing Network
(RECON) of Sanibel-Captiva Conservation Foundation
(SCCF) indicated that over the last week Chlorophyll concentrations ranged
between 2.7 and 8.0 µg/L at Ft. Myers and 1.5 to 2.7 µg/L at Shell Point. The DO concentration at the two
locations ranged from 4.2 to 7.5 mg/L (www.recon.sccf.org).
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