Estuarine Conditions as of January 19, 2009
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 |
|
12.2 (11.9) |
14.0 (13.9) |
|
HR1 (N. Fork) |
NR (14.7) |
NR (18.1) |
|
|
21.7
(19.7) |
22.1
(20.4) |
8.0 – 25.0 |
A1A Bridge |
29.6 (27.2) |
30.6 (28.6) |
20.0 – 31.0 |
Salinity
increased throughout the estuary during the past week. Salinity at
Caloosahatchee
Estuary
Current
Conditions:
During the last
week, discharge averaged 652 cfs at S-79, 474 cfs at S-78, and
695 cfs at S-77. The concentration of chlorides
at the Olga Plant was 69 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 |
|
2.5 (3.4) |
2.5 (3.6) |
Rt. 31 Bridge |
3.1 (4.0) |
3.1 (4.1) |
I-75 Bridge |
3.6 (4.5) |
4.9 (6.4) |
|
8.6 (11.5) |
10.4 (12.8) |
|
18.6 (19.7) |
19.1 (20.5) |
Shell Point |
26.6 (29.5) |
28.8 (31.2) |
Salinity
declined over the past week. 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 2.5 and 8.1µg/L at Ft. Myers and 2.0 to 49.0 µg/L at Shell Point. The DO concentration at the two
locations ranged from 5.5 to 9.7 mg/L (www.recon.sccf.org).
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