Estuarine Conditions as of
April 29, 2008
St. Lucie Estuary
Current Conditions:
There were no releases
through S-80 from C-44, S-49 from C-24, and S-48
from C-23 over the past week. The current weekly average salinities (in
bold) at the four monitoring sites in the St. Lucie are given below in parts
per thousand (ppt), along with the previous week’s
(in parenthesis).
|
Weekly Average Salinity
(ppt) |
|
|
Sampling Site |
Surface |
Bottom |
Envelope |
|
13.98 (11.09)
|
15.26
(12.44) |
|
HR1 (N. Fork) |
17.57 ( 14.04) |
18.77 (16.87) |
|
|
16.76 (15.93)
|
18.95
(18.02) |
8.0 – 25.0 |
A1A Bridge |
27.28 (24.66) |
29.16 (27.79)
|
20.0 – 31.0 |
Average salinity increased
about 3 ppt in the South Fork and North Fork, and
about 1-2 ppt at
Caloosahatchee Estuary
Current Conditions:
No discharge occurred through
S-79 during the past week. An average weekly discharge of 302 cfs occurred at S-77. The concentration of chlorides at the
Olga Plant yesterday was 189 mg/l, slightly up from 186 mg/l of last
week. Weekly average salinities for specific sites are given below in
parts per thousand (ppt). Current weekly
averages (in bold) may be compared to last week’s data (in parenthesis).
|
Weekly Average Salinity
(ppt) |
|
Sampling Site |
Surface |
Bottom |
|
13.77 ( 11.06) |
14.64 (11.73)
|
Rt. 31 Bridge |
13.33 (
10.89) |
NA
(NA) |
I-75 Bridge |
NA ( NA )
|
17.41
(15.01) |
|
21.36 (19.40) |
22.23 (20.41) |
|
28.35 (26.95) |
28.98
(27.71) |
Shell Point |
34.50 (33.40) |
35.22 (34.15) |
Average salinities increased
about 3 ppt in the upper estuary, and 1-2 ppt in the lower estuary. Salinity at the
FWRI reports that no Karenia brevis, the
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click on “Technical Summary”
scroll to the bottom and click on “Coastal Ecosystems”
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