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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 126 - 150)
ID Date Status Details
#2167 21 Mar 2009 Approved Notes: lots of bubbles/4 black ducks/1 platypus.
Tide board unreadable due to scum.
River dropped 83cm overnight.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 15.0 15.40 0.10 6.58 66.8
1.7m 15.0 15.40 0.10 6.12 62.5
#2166 15 Mar 2009 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 16.30 0.10 5.65 58.6
2.6m 16.50 0.10 4.08 40.5
#2165 12 Mar 2009 Approved Notes: overcast/humid
water very dark colour
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 16.70 0.10 5.05 52.8
2.5m 16.30 0.10 4.35 44.9
#1693 6 Mar 2009 Approved Notes: no flow
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 15.60 0.10 4.17 42.2
2.5m 10.0 15.50 0.10 3.53 35.6
#1692 28 Feb 2009 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 17.60 0.10 4.95 52.5
2.4m 10.0 17.50 0.10 4.40 44.8
#2164 21 Feb 2009 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 18.40 0.10 4.28 46.4
2.3m 10.0 18.50 0.10 4.10 44.3
#1691 14 Feb 2009 Approved Notes: rare orchids found on roadside 12/2/09
smoke from bushfires present
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 15.0 15.60 0.10 5.49 55.1
2.2m 15.0 15.60 0.10 5.31 54.5
#1582 7 Feb 2009 Approved Notes: Weather conditions were hot and humid, front approaching, wind from east west.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 15.0 19.90 0.10 4.25 47.5
2.1m 15.0 19.70 0.10 3.69 40.7
#1564 31 Jan 2009 Approved Notes: East wind, some cloud, only very slight flow, 40 degree heat for past 2 days with slightly cooler temperatures today. Removed a large bag of rubbish from the site, human feaces along the roadside and river bank.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 21.90 0.10 3.39 38.5
2.1m 21.60 0.10 1.06 15.8
#1555 24 Jan 2009 Approved Notes: Rubbish left near site, rising river because of bar.
6ml of rain overnight.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 18.70 0.10 6.85 75.5
2.1m 10.0 17.70 0.10 5.29 55.4
#1504 17 Jan 2009 Approved Notes: River rose 29cm between 15th - 16th of January:
15th = 171cm
16th = 200cm
26 wood ducks downstream.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 17.00 0.10 6.09 63.2
2.0m 10.0 17.00 0.10 5.98 62.1
#1454 10 Jan 2009 Approved Notes: leaves seeds and twigs in the water, snags clearly visible as water level is low. Downstream, 7 grey heron with 4 young. Apongoiston distachyon in drain upstream at g5.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 15.0 17.20 0.10 7.70 80.5
1.7m 15.0 16.80 0.10 7.65 79.2
#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
#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
#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
#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
#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
#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
#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
#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
#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
#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
#1441 11 Oct 2008 Approved Notes: East of G5 2 swans with 2 cygnets, 12 mountain ducks, 2 white necked herons, 2 grey herons, 1 egret, 4 plover and marsh frogs calling. There were many black wood flowers present on the surface of the water.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 20.0 11.90 0.10 8.72 80.5
2.3m 20.0 11.70 0.20 8.78 80.2
#1076 4 Oct 2008 Approved Notes: Wetland west of G5 has very little water and only about 20 mountain duck left, 3 white necked herons and 1 egret.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 20.0 11.50 0.10 8.26 76.6
2.3m 20.0 11.50 0.10 8.54 78.0
#1722 27 Sep 2008 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 13.00 0.10 9.37 88.3
2.6m 30.0 12.30 0.20 9.57 89.4
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