Estuarine Conditions as of
March 18, 2008
St. Lucie Estuary
Current Conditions:
There were no releases
through S-80 over the past week. A discharge of 46.86 cfs occurred at
S-97 on the C-23 Canal and there were no discharges at S-49 on the C-24 canal.
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 |
|
9.02 (10.30) |
10.88
(11.71) |
|
HR1 (N. Fork) |
12.53 (15.58) |
15.42
(16.76) |
|
|
16.57 (18.42) |
17.44 (18.62)
|
8.0 – 25.0 |
A1A Bridge |
25.33 (26.30) |
27.89
(28.11) |
20.0 – 31.0 |
Average salinity decreased
during the past week throughout the estuary. Both the surface and bottom
salinity are in the preferred range at the
Caloosahatchee Estuary
Current Conditions:
Discharge at S-79 over the
past week averaged 110.29, an increase from the previous week with 58.57
cfs. The concentration of chlorides at the Olga Plant is 242 mg/l.
Average salinity decreased by 4 ppt on the surface at Franklin Locks with a
gradual decrease at all sites moving down the estuary. 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 |
|
12.69 (16.68) |
13.31 (16.64) |
Rt. 31 Bridge |
14.27
(16.86) |
16.32
(17.73) |
I-75 Bridge |
15.91 (NA) |
18.65 (19.86) |
|
23.59 (23.11) |
23.81 (23.15) |
|
28.20 (30.53) |
30.52 (31.07) |
Shell Point |
34.73
(34.86) |
35.67 (36.22) |
Salinity at the
FWRI reports that
no Karenia brevis, the
To find this information on the web:
·
click on “Current
Week”
·
click on
“Technical Summary”
·
scroll to the
bottom and click on “Coastal Ecosystems”