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  4. 18-11-2022

H1 Site one (Hopkins River Bridge)

18 November 2022

Overview Notes Depth Profile Top-Bottom Documents 1 Chart
Observation details

Overview

Estuary Hopkins River Estuary
Site Site one (Hopkins River Bridge)
Observation ID #15141
Date and Time Friday 18th November 2022 18:00pm
Approved Approved

Notes

Probe and Van Doorn horizontal in water because of rapid flow, so lower depths not tested or sampled.

 

Thanks Brad & Dina, and yes no worries regarding the flow and challenges sampling at depth.  Very well mixed profile so this alleviates any issues.  Very high turbidity remains!  Thanks Jarred.

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 17.30 0.60 9.34 98.2 1.21
Previous 14.7 0.8 8.6 85.2 1.6
Median 15.9 9.60 9.85 104.50 16.2
0.5m 17.30 0.60 9.38 98.6 1.21
Previous 12.9 10.7 7.7 80.2 17.9
Median 15.9 9.60 9.85 104.50 16.2
1.0m 17.20 0.60 9.39 98.6 1.21
Previous 14.7 0.9 8.5 84.6 1.8
Median 15.7 21.20 8.26 97.30 33.7
1.5m 17.30 0.60 9.38 98.6 1.21
Previous 13.2 32.0 8.2 97.3 49.1
Median 15.7 21.20 8.20 97.30 33.7
3.0m 17.20 0.60 9.35 98.2 1.21
Previous 14.8 1.0 8.5 84.6 2.0
Median 15.3 31.30 6.15 77.30 47.9

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 57 7.6
Previous 0.1 65 8.5
Median 0.1 12 8.4
Bottom 3.9
Previous 5.0 32 8.5
Median 3.7 9 8.0

Other details

Max depth 4.00
Previous 5.20
Median 3.80
Flow estimate Fast

Observation Documents

Link Date File name Description
Download 19-11-2022 18:06 img20221119_17532899.pdf

Preceding Observations

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