Estuarine Conditions as of
April 15, 2008
St. Lucie Estuary
Current Conditions:
There were no releases
through S-80 over the past week. Discharge of 102.78 cfs occurred at S-97
on the C-23 canal and discharge at S-49 on the C-24 canal was unavailable this
week. The current weekly average salinities at the four monitoring sites
in the St. Lucie 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 |
Envelope |
|
10.13 (
11.55) |
10.41
(12.64) |
|
HR1 (N. Fork) |
9.19 (12.09)
|
13.40(13.45) |
|
|
13.08 (16.22) |
15.03
(16.98) |
8.0 – 25.0 |
A1A Bridge |
23.60 (25.35) |
27.52
(27.56) |
20.0 – 31.0 |
During the past week, average
salinity decreased about 1-2 ppt throughout the estuary. Both the surface and
bottom salinity are in the preferred range at the
Caloosahatchee Estuary
Current Conditions:
Discharge of 364 cfs occurred
at S-79 last week. Discharge from S-77 into
|
Weekly Average Salinity
(ppt) |
|
Sampling Site |
Surface |
Bottom |
|
9.03 (14.45) |
9.60 (14.50)
|
Rt. 31 Bridge |
9.39
(15.06) |
9.58(16.15)
|
I-75 Bridge |
NA
(NA) |
16.04 (20.17) |
|
19.95
(23.19) |
21.16 (23.32) |
|
26.87
(28.06) |
27.74 (28.77)
|
Shell Point |
33.44 (34.33)
|
34.25 (35.22) |
Average salinities decreased
~ 5 ppt in the upper estuary and 1 to 2 ppt in the lower estuary.
Salinity at the
FWRI reports that a bloom of the marine cyanobacteria
Trichodsmium was reported in the Pine Island Sound area 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”
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