Observation details

Overview

Estuary Hopkins River Estuary
Site Site one (Hopkins River Bridge)
Observation ID #14374
Date and Time Friday 19th November 2021 18:00pm
Approved Approved

Notes

Assisted by visitor Lynn.

Excellent results which have picked up potential bloom conditions in the upper water column, expressed in high DO levels. - J.Obst.

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 19.40 9.30 11.55 133.4 15.77
Previous 14.0 11.0 9.8 101.3 18.6
Median 15.2 26.80 8.67 99.60 41.8
0.5m 19.40 9.30 11.83 136.2 15.79
Previous 13.8 32.2 8.7 102.1 49.4
Median 18.5 27.70 8.67 99.60 42.9
1.0m 18.70 10.20 10.46 118.5 17.37
Previous 13.9 13.4 9.1 94.4 22.2
Median 15.8 31.80 8.02 97.10 48.9
1.5m 15.70 31.30 8.18 98.4 48.08
Previous 13.6 33.7 8.6 101.8 51.3
Median 17.3 32.00 8.02 98.10 48.9
2.0m 15.40 33.70 7.78 95.3 51.30
Previous 14.0 25.6 6.9 78.1 40.0
Median 16.0 32.90 7.62 94.30 50.2
2.5m 15.20 34.10 7.81 95.9 51.80
Previous 13.6 33.8 8.6 102.4 51.5
Median 16.5 33.20 7.70 96.80 50.6
3.0m 15.10 34.20 7.35 89.5 51.90
Previous 14.8 31.5 5.2 61.7 48.2
Median 15.9 33.20 7.32 93.10 50.6

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 26 8.4
Previous 0.1 11 7.8
Median 0.1 9 8.2
Bottom 3.2 9 8.2
Previous 3.9 9 7.6
Median 3.5 9 8.2

Other details

Max depth 3.40
Previous 4.00
Median 3.60
Flow estimate N/A

Observation Documents

Link Date File name Description
Download 24-11-2021 10:55 img20211124_10462559.pdf

Preceding Observations

C Estuary is closed to the sea. O Estuary is open to the sea. P Perched
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