Observation details

Overview

Estuary Hopkins River Estuary
Site Site one (Hopkins River Bridge)
Observation ID #14962
Date and Time Saturday 20th August 2022 13:04pm
Approved Approved

Notes

Assisted by Grant and Jarrod

 

Great results everyone; strong salt wedge down low as expected and highly oxygenated and turbid freshwater in the top water column.  J.Obst.

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 12.10 2.00 10.58 98.6 3.65
Previous 11.1 9.6 10.9 106.2 16.2
Median 15.9 11.00 9.77 104.50 18.6
0.5m 12.00 2.00 10.55 98.2 3.71
Previous 12.0 3.1 11.3 106.0 5.7
Median 18.4 12.40 9.77 104.50 20.6
1.0m 12.00 2.00 10.52 97.8 3.73
Previous 12.6 25.8 8.9 98.6 40.5
Median 15.7 21.20 8.26 98.40 33.7
1.5m 11.90 2.40 10.12 94.2 4.53
Previous 13.4 21.0 9.4 101.8 33.1
Median 15.9 21.20 8.26 98.40 33.7
2.0m 12.70 21.30 6.46 68.6 33.74
Previous 13.2 30.7 7.8 89.6 47.3
Median 15.2 28.00 6.94 86.00 43.5
2.5m 12.90 25.10 4.87 54.2 39.46
Previous 13.7 28.0 8.0 90.2 43.5
Median 16.1 28.00 6.94 86.00 43.5
3.0m 13.20 30.70 3.39 36.5 47.22
Previous 13.4 32.0 7.4 85.9 49.0
Median 15.3 31.30 6.15 77.30 47.9
3.5m 13.20 31.70 3.00 34.3 48.63
Previous 13.7 29.9 7.2 82.4 46.0
Median 16.1 31.30 6.15 77.30 47.9

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 13 8.6
Previous 0.1 9 8.4
Median 0.1 11 8.2
Bottom 3.8 9 8.0
Previous 3.6 9 8.4
Median 3.6 9 7.9

Other details

Max depth 3.90
Previous 3.80
Median 3.80
Flow estimate N/A

Observation Documents

Link Date File name Description
Download 21-08-2022 15:20 img20220821_15075491.pdf

Preceding Observations

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