Observation details

Overview

Estuary Hopkins River Estuary
Site Site one (Hopkins River Bridge)
Observation ID #13817
Date and Time Friday 16th October 2020 18:00pm
Approved Approved

Notes

Water receded significantly after 78 mm rain in 2 days one week ago

High turbidity

Mouth open and very wide

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 17.40 0.50 8.11 84.8 1.04
Previous 16.0 3.2 8.3 86.4 5.8
Median 16.2 21.90 9.11 105.70 34.8
0.5m 17.40 0.50 8.11 85.0 1.05
Previous 8.9 3.4 11.2 98.5 6.3
Median 19.2 27.00 9.58 122.70 42.0
1.0m 17.40 0.50 8.04 84.2 1.05
Previous 16.8 3.7 8.6 90.5 6.6
Median 16.8 27.60 8.57 97.40 42.8
1.5m 17.40 0.50 8.08 84.6 1.06
Previous 8.8 3.7 11.0 97.4 6.6
Median 18.8 28.60 9.10 99.50 44.3
2.0m 17.40 0.50 8.07 84.5 1.08
Previous 14.0 30.2 5.1 59.7 46.7
Median 14.9 32.00 6.66 83.70 48.9
2.5m 17.40 0.60 8.07 84.6 1.29
Previous 11.9 20.3 3.5 37.6 32.6
Median 16.9 32.30 7.18 88.80 49.4
3.0m 17.40 0.70 8.05 84.4 1.48
Previous 13.9 31.3 5.5 64.5 48.1
Median 14.8 32.30 5.14 64.50 49.4
3.3m 17.30 0.90 8.02 84.1 1.74
Previous 13.6 25.0 0.2 2.9 39.1
Median 16.7 32.30 5.14 66.00 49.9

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 100 6.8
Previous 0.1 19 7.9
Median 0.1 10 8.2
Bottom 3.4 75 7.0
Previous 3.6 9 7.9
Median 3.4 9 7.9

Other details

Max depth 3.50
Previous 3.80
Median 3.50
Flow estimate Fast

Observation Documents

Link Date File name Description
Download 19-10-2020 11:54 20201019_11301206.pdf

Preceding Observations

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