Estuarine Conditions as of October 3,
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 |
|
1.5 |
1.6 |
|
HR1 (N. Fork) |
1.3 |
3.2 |
|
|
3.6 |
3.8 |
8.0 – 25.0 |
A1A Bridge |
12.8 |
20.0 |
20.0 – 31.0 |
Rainfall and associated local
runoff lowered average salinity throughout the estuary last week. Average
salinity for the week was at the lower limit or below the preferred at the
Roosevelt and A1A Bridges. Based on the salinity tolerances of the oyster, Crassostrea
virginica, salinity conditions in the estuary are poor at the
Caloosahatchee Estuary
Current Conditions:
Discharge data for the full
week were not available at the time of writing. Between 9/25 and 9/30
discharge at S-79 averaged 586 cfs. Average salinity decreased
throughout the estuary last week. Data for specific sites are given below
in parts per thousand (ppt). The
|
Weekly Average Salinity
(ppt) |
|
Sampling Site |
Surface |
Bottom |
|
3.3 |
3.4 |
Rt. 31 Bridge |
3.7 |
3.7 |
I-75 Bridge |
3.2 |
4.7 |
|
NA |
NA |
|
14.5 |
17.4 |
Shell Point |
24.4 |
26.3 |
Salinity conditions
throughout the system are good (see attached).
FWRI reports that
water samples collected this week detected 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”