Estuarine Conditions as of December 4,
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 0 cfs. Discharge at S-49 on the C-23 canal averaged 23.5 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 |
|
7.6 (7.2) |
9.1 (8.6) |
|
HR1 (N. Fork) |
9.5 (9.0) |
12.8
(10.9) |
|
|
13.3
(12.8) |
13.7
(12.9) |
8.0 – 25.0 |
A1A Bridge |
21.4
(22.3) |
26.4
(26.6) |
20.0 – 31.0 |
Salinity increased this week
upstream of the
Caloosahatchee Estuary
Current Conditions:
No discharge occurred at S-79
last week. The concentration of chlorides at the Olga Plant is 128
mg/l. Average salinity increased throughout the estuary last week except
at S-79. 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 |
|
13.6
(14.7) |
14.4
(15.0) |
Rt. 31 Bridge |
13.8
(13.5) |
16.1
(14.9) |
I-75 Bridge |
14.0
(13.4) |
17.0
(15.7) |
|
19.1
(19.0) |
20.2
(19.2) |
|
24.0
(23.7) |
27.2
(26.8) |
Shell Point |
32.5
(32.4) |
34.1
(33.9) |
Salinity conditions
throughout the system remain good seaward of
FWRI
reports that background
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”