Estuarine Conditions as of January 26, 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 |
|
11.8 (12.2) |
14.5 (14.0) |
|
HR1 (N. Fork) |
20.1 (NR) |
|
|
|
22.0
(21.7) |
22.2
(22.1) |
8.0 – 25.0 |
A1A Bridge |
27.7 (29.6) |
29.0 (30.6) |
20.0 – 31.0 |
Salinity changed
slightly during the past week. At the
Caloosahatchee
Estuary
Current
Conditions:
During the last
week, discharge averaged 667 cfs at S-79, 585 cfs at S-78, and
952 cfs at S-77. The concentration of chlorides
at the Olga Plant was 63 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 |
|
1.7 (2.5) |
1.8 (2.5) |
Rt. 31 Bridge |
1.7 (3.1) |
2.5 (3.1) |
I-75 Bridge |
2.3 (3.6) |
4.6 (4.9) |
|
7.1 (8.6) |
11.8 (10.4) |
|
17.2 (18.6)
|
19.8 (19.1) |
Shell Point |
27.3 (26.6)
|
29.1 (28.8) |
Salinity
declined in the upper estuary 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 4 and 13 µg/L at Ft. Myers and 2 to 23
µg/L at Shell Point. The DO concentration at the two locations ranged
from 6.9 to 9.6 mg/L (www.recon.sccf.org).
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