Estuarine Conditions as of August 28,
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 |
|
2.7 |
3.4 |
|
HR1 (N. Fork) |
3.9 |
7.4 |
|
|
7.8 |
8.9 |
8.0 – 25.0 |
A1A Bridge |
15.5 |
24.3 |
20.0 – 31.0 |
Average weekly
salinity in the North and South Forks declined slightly since the last
report. Local freshwater inflow continues to maintain surface salinity at
both the
Caloosahatchee Estuary
Current Conditions:
During the past
week, discharge at S-79 occurred on two days and averaged 50 cfs for the
week. Chloride concentration at the Olga Plant is presently 82
mg/l. In general, average salinity at the monitoring sites in the
Caloosahatchee Estuary increased over the past week. Data for specific
sites are given below in parts per thousand (ppt).
|
Weekly Average Salinity
(ppt) |
|
Sampling Site |
Surface |
Bottom |
|
8.0 |
9.0 |
Rt. 31 Bridge |
NA |
10.2 |
I-75 Bridge |
7.7 |
11.6 |
|
14.0 * |
NA |
|
19.1 |
20.7 |
Shell Point |
30.5 |
33.0 |
* based on two-day average
Since surface
salinity exceeds 10 ppt 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”