Estuarine Conditions as of September 25,
2007
St. Lucie Estuary
Current Conditions:
Release information from S-80
was unavailable the past week. Weekly average salinities at the four
monitoring sites in the St. Lucie are given below in parts per thousand (ppt).
|
Weekly Average Salinity
(ppt) |
|
|
Sampling Site |
Surface |
Bottom |
Envelope |
|
6.50 |
7.64 |
|
HR1 (N. Fork) |
6.31 |
10.54 |
|
|
11.37 |
11.87 |
8.0 – 25.0 |
A1A Bridge |
18.37 |
24.10 |
20.0 – 31.0 |
Salinity declined slightly
throughout the estuary. Both the
Caloosahatchee Estuary
Current Conditions:
During the past week,
discharge at S-79 averaged 342.57 cfs. Chloride concentration at the Olga
Plant is presently 75 mg/l.
Average salinity at all monitoring sites in the Caloosahatchee Estuary
decreased slightly over the past week due to local runoff. Data for
specific sites are given below in parts per thousand (ppt).
|
Weekly Average Salinity
(ppt) |
|
Sampling Site |
Surface |
Bottom |
|
5.66 |
5.66 |
Rt. 31 Bridge |
5.73 |
6.10 |
I-75 Bridge |
5.27 |
7.47 |
|
10.06 |
NA |
|
17.76 |
18.88 |
Shell Point |
27.23 |
30.06 |
Salinity in the upper estuary
remains high for this time of year. The 30-day average surface salinity
at
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”