Estuarine Conditions as of June 24, 2008
St. Lucie Estuary
Current Conditions:
There were no releases
through S-80 from C-44 over the past week. An average discharge of 200
cfs through S-48 from C-23 and 190 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).
|
Weekly Average Salinity
(ppt) |
|
|
Sampling Site |
Surface |
Bottom |
Envelope |
|
17.42 (18.05)
|
19.76
(20.77) |
|
HR1 (N. Fork) |
17.66 (21.05) |
22.02 (23.42) |
|
|
21.51 (24.22) |
23.18 (25.42) |
8.0 – 25.0 |
A1A Bridge |
29.48 (29.83) |
NA (NA) |
20.0 – 31.0 |
Compared with salinities of
the previous week, average salinity decreased throughout the estuary due to
local runoff. Salinities at HR1 and
Caloosahatchee Estuary
Current Conditions:
An average weekly discharge
of 334 cfs occurred at S-79. No flow was reported at S-77 except for 98
cfs discharge back to the
|
Weekly Average Salinity
(ppt) |
|
Sampling Site |
Surface |
Bottom |
|
13.53 (17.84) |
14.80
(20.06) |
Rt. 31 Bridge |
16.80
(18.25) |
20.10 (22.68) |
I-75 Bridge |
17.96 (20.71) |
20.76 (22.55) |
|
23.75
(24.67) |
24.16
(25.67) |
|
28.81 (30.04) |
29.21
(29.98) |
Shell Point |
34.37 (35.08) |
34.42 (35.22) |
Average salinities dropped
throughout the estuary, ranging from about 5 ppt at S-79 to only about 1 ppt at
No Karenia
brevis, the
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