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H1 Site one (Hopkins River Bridge)

17 June 2023

Observation details

Overview

Estuary Hopkins River Estuary
Site Site one (Hopkins River Bridge)
Observation ID #15582
Date and Time Saturday 17th June 2023 13:00pm
Approved Approved

Notes

Distinct top outward flowing layer, and inward flowing bottom layer, with changeover at approx 2 metres depth.

 

strong NE wind

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 11.50 6.30 9.48 91.2
Previous 15.3 32.2 7.6 92.3 51.1
Median 17.3 13.00 9.13 99.10 21.6
0.5m 11.50 6.10 9.46 90.0 10.92
Previous 17.2 33.8 7.5 96.1 51.3
Median 17.3 12.40 9.13 99.10 20.6
1.0m 12.50 14.80 9.34 96.2 22.45
Previous 15.3 37.4 7.7 96.4 56.3
Median 16.8 25.80 8.20 97.10 40.5
1.5m 13.20 27.60 8.53 97.2 41.33
Previous 17.2 35.6 7.1 93.1 53.8
Median 16.8 24.20 8.20 97.10 38.1
2.0m 13.40 29.40 8.46 98.2 45.04
Previous 15.4 37.7 7.8 98.0 56.6
Median 16.0 32.20 7.22 87.90 49.4
2.5m 13.50 30.40 8.43 98.3 46.32
Previous 17.1 36.7 6.5 85.1 55.2
Median 16.1 32.20 7.22 87.90 49.4
3.0m 13.60 31.40 8.21 96.6 47.99
Previous 15.4 37.7 7.8 98.5 56.7
Median 16.1 32.30 6.91 82.40 49.5
3.5m 13.70 32.20 7.72 90.9 48.92
Previous 17.0 37.1 5.8 76.1 55.8
Median 16.1 32.00 6.44 82.40 49.0
4.0m 13.70 32.20 7.14 84.3 49.48
Previous 14.8 1.1 8.5 84.5 2.2
Median 14.8 21.60 6.94 81.00 34.3
4.3m 13.90 32.90 5.81 69.6 50.10
Previous 20.4 21.6 3.7 46.2 34.3
Median 20.4 31.00 6.94 81.00 47.7

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 12 7.6
Previous 0.1 9 8.0
Median 0.1 10 8.2
Bottom 4.3 9 7.6
Previous 3.8 9 7.9
Median 3.5 9 8.0

Other details

Max depth 4.50
Previous 3.90
Median 3.70
Flow estimate Fast

Observation Documents

Link Date File name Description
Download 17-06-2023 15:56 img20230617_15422773.pdf

Preceding Observations

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