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H2 Site two (Riverboat Cruise Pontoon)

17 May 2025

Observation details

Overview

Estuary Hopkins River Estuary
Site Site two (Riverboat Cruise Pontoon)
Observation ID #16935
Date and Time Saturday 17th May 2025 13:15pm
Approved Approved

Notes

Assisted by Fiona.

Pontoon very wobbly due to wind/wave action, required care to remain in centre of platform

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 14.10 8.70 9.42 95.8 14.92
Previous 18.4 9.4 9.6 107.1 15.9
Median 17.9 13.20 9.16 103.50 21.2
0.5m 14.20 8.70 9.29 94.6 14.92
Previous 20.7 9.2 7.5 87.5 15.8
Median 17.5 13.20 9.13 103.40 21.2
1.0m 14.20 8.70 9.21 93.9 14.92
Previous 18.4 9.4 9.8 108.5 15.9
Median 17.3 20.90 8.48 97.00 33.3
1.5m 14.20 8.70 9.15 93.3 14.91
Previous 20.7 9.2 7.3 86.0 15.8
Median 16.9 20.90 8.42 96.70 33.3
2.0m 14.20 8.70 9.12 93.0 14.91
Previous 17.3 9.4 8.9 96.0 16.1
Median 16.3 28.10 7.38 91.50 43.4
2.5m 14.20 8.70 9.10 92.7 14.91
Previous 20.6 9.2 7.3 85.0 15.8
Median 16.3 28.10 7.35 90.20 43.4
3.0m 14.20 8.70 9.10 92.7 14.92
Previous 17.2 15.1 6.8 76.3 23.7
Median 15.9 28.20 6.84 82.60 43.8
3.5m 14.20 8.70 9.10 92.8 14.92
Previous 20.5 9.2 6.9 80.3 15.8
Median 15.3 28.20 6.84 82.60 43.8
4.0m 14.20 8.70 9.09 92.7 14.92
Previous 20.1 9.2 6.6 76.0 15.7
Median 20.1 9.70 9.81 112.10 16.5

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 9 8.0
Previous 0.1 9 8.1
Median 0.1 9 8.2
Bottom 4.0 9 8.2
Previous 3.0 17 7.8
Median 3.1 11 8.0

Other details

Max depth 4.10
Previous 3.10
Median 3.20
Flow estimate N/A

Observation Documents

Link Date File name Description
Download 17-05-2025 17:13 img20250517_16503209.pdf

Preceding Observations

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