Observation details

Overview

Estuary Gellibrand River Estuary
Site Bridge at Latrobe Creek Mouth as it enters the Gellibrand
Observation ID #11778
Date and Time Friday 9th February 2018 11:00am
Approved Approved

Notes

S wind driving waves up main river channel but some waves sweeping around & going up stream past GOR bridge.

Flood water over wetland below board walk to OCR.

Field notes include GOR bridge over Latrobe creek. showing lower D.O. in both top & bottom levels  5-54 - 0.02  mg/l

 

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 23.00 1.40 6.04 70.9 2.64 S wind 3-4 driving waves up river channel
Previous 20.1 1.9 8.0 99.4 3.6
Median 17.0 2.00 6.82 72.80 3.7
0.5m 23.00 1.40 5.93 69.6 2.65
Previous 21.6 2.3 8.2 93.8 4.4
Median 16.9 2.00 6.73 72.20 3.7
1.0m 0.00 1.40 5.84 68.3 2.70 E.C.& D.O. erratic
Previous 19.9 1.9 6.8 75.5 3.6
Median 17.2 5.90 6.54 73.80 11.1
1.5m 22.90 1.60 4.89 57.4 3.08 " "
Previous 21.3 17.4 6.5 81.4 28.4
Median 16.9 5.90 6.19 73.20 11.1
2.0m 23.30 2.40 4.07 48.2 4.47
Previous 20.8 25.6 6.2 81.1 39.9
Median 16.1 25.70 5.68 62.40 39.9
2.5m 22.00 21.20 6.38 83.9 33.58 *Higher temp. & increased D.O.
Previous 19.1 30.5 2.7 35.5 46.9
Median 16.1 27.10 5.68 62.40 42.1
3.0m 20.40 29.00 4.14 54.3 44.67
Previous 19.2 31.2 2.5 31.9 47.7
Median 18.3 30.30 2.62 33.60 46.5
3.2m 19.80 30.20 3.17 41.6 46.80
Previous 18.7 31.9 0.4 5.4 48.8
Median 18.3 30.30 3.09 39.60 46.5

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 9 7.0
Previous 0.1 9 7.2
Median 0.1 9 6.8
Bottom 3.2 40 7.2
Previous 3.2 32 7.2
Median 2.9 32 7.2

Other details

Max depth 3.35
Previous 3.35
Median 3.00
Flow estimate Pool

Observation Documents

Link Date File name Description

Preceding Observations

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