Estuarine Conditions as of
March 11, 2008
St. Lucie Estuary
Current Conditions:
There were no releases
through S-80 over the past week. Discharge at S-97 on the C-23 Canal
averaged 25.79 cfs and S-49 on the C-24 canal 0.06 cfs 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 |
|
10.30 (13.11) |
11.71
(14.36) |
|
HR1 (N. Fork) |
15.58 (16.85) |
16.76
(18.51) |
|
|
18.42 (20.35) |
18.62
(20.78) |
8.0 – 25.0 |
A1A Bridge |
26.30 (27.86) |
28.11
(29.23) |
20.0 – 31.0 |
Average salinity decreased 1
to 3 ppt throughout the estuary due to local rainfall. 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 58.57, an increase from the previous week with no releases.
The 30-day average is 61 cfs. Freshwater flow back into the
|
Weekly Average Salinity
(ppt) |
|
Sampling Site |
Surface |
Bottom |
|
16.68 (14.46) |
16.64 (15.26) |
Rt. 31 Bridge |
16.86
(14.36) |
17.73 (16.81 ) |
I-75 Bridge |
NA (NA) |
19.86 (17.78) |
|
23.11 (21.97) |
23.15 (22.37) |
|
30.53 (27.46) |
31.07 (30.21) |
Shell Point |
34.86
(34.15) |
36.22 (35.34) |
Salinity at the
In summary, conditions in the
upper estuary east of
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”