Estuarine Conditions as of July 1, 2008
St. Lucie Estuary
Current Conditions:
There were no releases
through S-80 from C-44 over the past week. An average discharge of 125.52
cfs through S-48 from C-23 and 90.32 cfs through S-49 from C-24 occurred over
the past week. 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). The surface salinity at
A1A Bridge is a three- day average.
|
Weekly Average Salinity
(ppt) |
|
|
Sampling Site |
Surface |
Bottom |
Envelope |
|
13.15 (17.42)
|
15.43
(19.76) |
|
HR1 (N. Fork) |
14.72 (17.66) |
17.95 (22.02) |
|
|
18.30 (21.51) |
19.15 (23.18) |
8.0 – 25.0 |
A1A Bridge |
24.68 (29.48) |
NA (NA) |
20.0 – 31.0 |
Compared with salinities of
the previous week, average salinity decreased throughout the estuary due to
local runoff. Salinity declined between 3 ppt and 5 ppt depending on
location and depth. Salinity at
Caloosahatchee Estuary
Current Conditions:
An average weekly discharge
of 1039 cfs occurred at S-79. The concentration of chlorides at the Olga
Plant was 130 ppm yesterday, down from 228 ppm in the beginning of this
reporting period. Current weekly averages (in bold) may be compared to
last week’s data (in parenthesis).
|
Weekly Average Salinity
(ppt) |
|
Sampling Site |
Surface |
Bottom |
|
7.79 (13.53) |
8.15
(14.80) |
Rt. 31 Bridge |
7.96
(16.8) |
11.74 (20.10) |
I-75 Bridge |
10.08 (17.96) |
15.71 (20.76) |
|
18.31
(23.75) |
21.32
(24.16) |
|
26.68 (28.81) |
26.99
(29.21) |
Shell Point |
33.03 (34.37) |
33.30 (34.42) |
Compared to last week,
average salinities dropped between 3 ppt and 8 ppt depending on depth and
location. Average salinity at the
No Karenia
brevis, the
click on “Current Week”
click on “Technical Summary”
scroll to the bottom and click on “Coastal Ecosystems”
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