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G6 Great Ocean Road Bridge at Lower Gellibrand

Retired Physico-Chemical 20-04-2007 - 11-03-2017

Gellibrand River Estuary

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227 results found (Displaying 81 - 90)
ID Date Status Details
#1421 18 Oct 2008 Approved Notes: Strong warm north wind, water coloured dark brown.
6 grey herons east of G5, 1 platypus and 8 black ducks at the bridge.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 13.90 0.10 7.70 74.2
2.1m 30.0 13.60 0.10 7.67 72.7
#1420 25 Oct 2008 Approved Notes: Readings more stable, water appeared a reddish brown colour and snags are exposed downstream. Blackwood pollen brown and disintegrating.
1 platypus, 6 black ducks, 2 chestnut teals.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 12.90 0.10 7.47 71.4
1.7m 30.0 12.80 0.10 7.40 68.5
#1419 1 Nov 2008 Approved Notes: 16 mountain ducks on the west flats and 7 black ducks in the river.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 20.0 14.40 0.10 6.80 67.0
2.0m 20.0 14.50 0.10 6.73 67.1
#1418 9 Nov 2008 Approved Notes: 21ml of rain in the past 7 days.
18 grey herons, 2 white necked herons.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 20.0 14.00 0.10 7.74 75.4
1.9m 20.0 14.00 0.10 7.75 75.1
#1417 15 Nov 2008 Approved Notes: Strong wind going upstream, 9 wood ducks present.
Top and Bottom sampling not completed due to tiger snake present on track and high grass.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 16.60 0.10 6.25 64.5
1.9m 16.60 0.10 6.16 63.1
#1416 21 Nov 2008 Approved Notes: 1.30 pm storm with 10ml of rain that lasted until 5.15am. The month prior to this only had 12ml of rain in total.
No turbidity recording due to inability to access - damp wet grass.
Flow rate at south Otway (Chappelvale) = 108.5 m/per day
Height - .706m
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 14.80 0.10 7.34 72.6
2.0m 14.10 0.10 6.18 60.8
#1415 29 Nov 2008 Approved Notes: pH 7 recorded in top sampling, pH 6.5 recorded in bottom sampling.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 20.0 16.50 0.10 7.62 78.5
2.3m 20.0 15.90 0.10 6.90 72.8
#1442 20 Dec 2008 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 15.30 0.10 8.70 86.7
2.6m 30.0 14.60 0.10 8.65 85.5
#1443 27 Dec 2008 Approved Notes: Weather conditions were slightly humid and very little wind.
Birds sighted -
53 mountain ducks, 250 unidentified birds ( possibly teals, young grey coloured), 43 wood ducks, 4 swans, 15 grey herons.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 15.0 16.40 0.10 7.48 77.2
2.0m 15.0 16.20 0.10 7.65 77.9
#1444 3 Jan 2009 Approved Notes: Weed increase in the area particularly Wandering jew and Hancock.
Platypus sighted directly below bridge, spending time on the surface of the water.
River levels low, snags and banks exposed.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 20.0 14.30 0.10 6.71 66.5
1.9m 20.0 14.30 0.10 6.48 62.5
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