Estuarine Conditions as of November 19,
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 is
currently 0 cfs. Discharges at S-49 on the C-23
canal are currently about 4 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 |
|
4.28 (2.5) |
5.69 (2.9) |
|
HR1 (N. Fork) |
8.06 (7.3) |
11.02 (10.3) |
|
|
11.04 (9.7) |
12.34 (12.1) |
8.0 – 25.0 |
A1A Bridge |
18.40 (17.9) |
24.34 (24.4) |
20.0 – 31.0 |
Salinity conditions improved
this week throughout the estuary. Both the surface and bottom salinity are now
up to 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 144
mg/l. Average salinity increased throughout the estuary last week.
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 |
|
13.3
(10.9) |
14.0
(12.3) |
Rt. 31 Bridge |
12.0
(10.2) |
14.0
(13.7) |
I-75 Bridge |
12.0
(10.5) |
14.6
(14.2) |
|
17.1
(15.4) |
18.4
(17.1) |
|
22.8
(22.3) |
25.1
(24.5) |
Shell Point |
30.3
(30.0) |
31.5
(30.9) |
Salinity conditions
throughout the system remain good seaward of
FWRI reports that water samples collected
offshore this week, 7 to 25 miles west of
To find this information on the web:
·
click on “Current Week”
·
click on “Technical Summary”
·
scroll to the bottom and click on “Coastal
Ecosystems”