Estuarine Conditions as of October 23,
2007
St. Lucie Estuary
Current Conditions:
No releases occurred at S-80
over 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 |
|
2.1 |
2.7 |
|
HR1 (N. Fork) |
1.1 |
5.0 |
|
|
5.9 |
7.2 |
8.0 – 25.0 |
A1A Bridge |
14.2 |
23.0 |
20.0 – 31.0 |
Average salinity increased
throughout the estuary last week. Only bottom water at the A1A Bridge
fell within the preferred salinity range. Based on the salinity tolerances of
the oyster, Crassostrea virginica, salinity conditions in the estuary
are poor to fair (see attached).
Caloosahatchee Estuary
Current Conditions:
Discharge at S-79 averaged
11.4 cfs over the past week. The concentration of chlorides at the Olga
Plant is 78 mg/l. Average salinity increased throughout the estuary last
week. Data for specific sites are given below in parts per thousand (ppt).
|
Weekly Average Salinity
(ppt) |
|
Sampling Site |
Surface |
Bottom |
|
7.8 |
8.2 |
Rt. 31 Bridge |
7.2 |
9.5 |
I-75 Bridge |
6.6 |
8.9 |
|
13.2 |
15.8 |
|
19.8 |
23.6 |
Shell Point |
29.0 |
30.4 |
Salinity conditions
throughout the system are good seaward of
FWRI
reports a bloom of 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”