Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #1445
Date and Time Saturday 3rd January 2009 10:00am
Approved Approved

Notes

3 dogs were swimming in the water while taking the recordings - this may have impacted on the accuracy of the recordings.
There appeared to be an oily slick on water surface.

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 16.00 5.00 5.88 62.2
Previous 19.1 2.8 5.7 59.5
Median 15.0 2.00 6.30 61.80
0.5m 16.00 5.00 5.98 62.5
Previous 16.8 0.2 6.2 63.2
Median 14.8 2.00 6.30 61.80
1.0m 16.50 12.20 5.11 55.7
Previous 17.6 27.4 6.5 72.5
Median 16.0 5.70 5.69 61.70
1.5m 16.90 29.10 4.89 58.9
Previous 16.7 0.2 6.2 64.0
Median 15.9 4.40 5.68 61.00
2.0m 17.00 31.80 5.28 66.5
Previous 16.7 31.9 6.2 74.5
Median 16.1 26.50 4.12 50.20
2.5m 16.80 32.60 5.02 63.7
Previous 16.6 0.2 6.3 64.7
Median 16.1 26.50 4.10 48.40
3.0m 16.70 32.80 4.61 56.6
Previous 16.7 32.0 5.7 74.8
Median 16.1 30.90 3.72 43.00
3.1m 16.70 32.80 3.42 42.9 huge variation of reading near bottom
Previous 16.6 0.3 5.5 57.5
Median 15.8 30.90 3.58 42.90

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 10
Previous 0.1 15
Median 0.1 15
Bottom 3.1 10
Previous 3.1 30
Median 3.1 20

Other details

Max depth 3.25
Previous 3.18
Median 3.40
Flow estimate Pool

Observation Documents

No documents found for this observation

Preceding Observations

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