Estuarine Conditions as of December 11,
2007
St. Lucie Estuary
Current Conditions:
There were no
releases through S-80 over the past week. Discharge at S-97 on the C-24
Canal averaged 1 cfs. Discharge at S-49 on the C-23 canal averaged 0.3
cfs. 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 |
|
7.0 (7.6) |
9.0 (9.1) |
|
HR1 (N. Fork) |
11.7 (9.5
) |
14.4
(12.8) |
|
|
14.8
(13.3) |
15.7
(13.7) |
8.0 – 25.0 |
A1A Bridge |
23.6
(21.4) |
26.8
(26.4) |
20.0 – 31.0 |
Salinity increased
this week at most monitoring sites. Both the surface and bottom salinity are in
the preferred range at the
Caloosahatchee Estuary
Current Conditions:
No discharge
occurred at S-79 last week. The concentration of chlorides at the Olga
Plant is 147 mg/l. Average salinity increased at most monitoring sites
over the past week. Shell Point was not reporting. Weekly average
salinities for specific sites are given below in parts per thousand
(ppt). Current weekly averages (in bold) may be compared to last week’s
data (in parenthesis).
|
Weekly Average Salinity
(ppt) |
|
Sampling Site |
Surface |
Bottom |
|
14.8
(13.6) |
15.6
(14.4) |
Rt. 31 Bridge |
14.5
(13.8) |
16.4
(16.1) |
I-75 Bridge |
14.1
(14.0) |
16.9
(17.0) |
|
20.3
(19.1) |
20.4
(20.2) |
|
25.6
(24.0) |
27.7
(27.2) |
Shell Point |
NA (32.5) |
NA (34.1) |
Salinity conditions
throughout the system remain good seaward of
FWRI
reports that water samples collected this week detected background to low
concentrations 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”