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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 121 - 130)
ID Date Status Details
#2487 12 Sep 2009 Approved Notes: 1.AHD - 2.79
2. PH. - 7.0
3. G6 Readings affected by probe drifting - depths/D.O. may not be accurate.
4.From G6 to G4.the area is flooded. Levels have reduced but all low areas above G4 are still covered Many water birds in the area.
5.At G4 height = 5.75m.(12:40) ppt. to 2m = 0.1
Water is up to bearer but flowing strongly underneath. and through dip in causeway. No water on n.side downstream or O.C.R.
6.NOP ht. 1.674 SOP ht. 2.560
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 40.0 11.30 0.10 9.26 84.1
3.9m 40.0 10.90 0.10 9.34 84.7
#2501 19 Sep 2009 Approved Notes: 1. AHD 2.90
2. 31 ml rain 17/18th Sept -water level has risen again. Flats from G6 to G5 are flooded. Also to halfway between G5 & G4.
3.large infestation of Aponogeton distachyon at G5.
4 NOP. 1.787 -0
SOP. 3.265 7859
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 60.0 12.00 0.20 8.21 76.3
4.0m 60.0 11.90 0.10 8.23 76.1
#2543 26 Sep 2009 Approved Notes: 1. AHD 2.14
2. NOP 1.596 -o SOP 2.260 824.6
3. Very wet and windy 25ml rain overnight
4.Large amount of Blackwood blossom in water
5.Consierable amount of turbity entering from creek upstream. Pale coloured water merging with dark brown river flow. This is travelling intermittently through the recording area and possibly effects the D.O. readings
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 50.0 11.60 0.20 8.27 75.9
3.2m 50.0 11.40 0.20 8.69 78.4
#2763 1 Oct 2009 Approved Notes: 1. AHD. 1.13
2. 7ml rain 30.10.09
3. G6.Water very brown with lots of leaves & small debris
4.NOP 0.931 174.9 SOP. 1.401 182.9
5. G4 -Bridge bearer well above water. No visable water on Rivernook flats.
6. Between G4 & G5 water in low lying areas
7.G5 - All flats are covered with dead and rotting vegetation with water in low lying areas. Large amount of Aponogeton distachyos in flower
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 16.50 0.10 7.75 79.6
2.2m 30.0 16.00 0.10 7.67 77.9
#2601 3 Oct 2009 Approved Notes: 1. AHD 2.29
2. N.O.P. 1.476 -0 S.O.P. 2.092 524.6
3.lot of Blackwood pollen & flowers in water also grass, twigs & Wandering jew. Water very dark &dirty.
4.G4. - bearer above water. Rivernook and Coe's west- water logged. Pacer's, Barlow's flooded also Duynhoven's west and mid areas (around G5) level falling
5. Many swans (+ cygnets) & Duck, mainly Shellduck and Teal+ young between G6 -G4.
6. Striped marsh frog calling
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 12.10 0.10 8.15 76.0
3.4m 30.0 11.90 0.10 7.83 72.8
#2632 10 Oct 2009 Approved Notes: 1.Water dark brown & dirty
2.AHD 1.54
3.DST not added
4.Bridge at G4. about 1m clear of water
5.Water draining off flats from G4-G6, many swans and Shellduck. Some Shellduck with young
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 10.90 0.10 10.50 95.0
2.6m 30.0 10.70 0.10 10.25 94.8
#2661 17 Oct 2009 Approved Notes: 1.AHD 3.06
2. NOP. 2.673 -0 SOP. 4.048 2670.2
3.Water up to bearer at G4. Flats flooded from G4-G5 Water extends from G5 upstream to Rowans Gully(large no.Shelduck in that area). Water in drainage areas from G5 -G6
4.Water very dirty
15.10.09 Heavy discharge from creek upstream G6 (south side)
5.Black duck +8 young (G6)
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 80.0 12.10 0.10 8.06 75.0
4.0m 80.0
#2703 24 Oct 2009 Approved Notes: 1.G6.AHD 1.73
NOP 1.204 165.4
SOP 1.734 237.8
2. Reduced flow/height from last week (4.42m on 091017)
3. Water draining from flats between G6 & G4.
No water on flats aroung G4. Water 60-70 cm below bridge bearer.
4. Aponogeton distachyos prolific around G5.
5. Wandering jew infestation at willow choke upstream G4.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 13.10 0.10 8.12 77.4
2.8m 30.0 12.80 0.10 7.75 73.3
#2764 31 Oct 2009 Approved Notes: 1.AHD 1.13 (7ml rain 30.10.09)
2. NOP 0.931 174.9 SOP. 1.401 182.9
3.Water remaining in low lying areas from G6 to below G5. Bridge bearer at G4 is well above water level. No visiable water on Rivernook flats
5. Water in all low areas around G5. Considerable dead and rotting vegetation. Large area of Aponogeton distachyos flowering
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 16.50 0.10 7.75 79.6
2.2m 30.0 16.00 0.10 7.67 77.9
#2782 7 Nov 2009 Approved Notes: 1. AHD 0.18
2. some readings could be affected by jetski
3.Blue dragonflies. 2 Pelicans Latrobe Creek Wetlands
4. G4.ht.= 4.85 ppt 0.1 top to bottom
Flats clear of water
5.Between G4 & G5 no water on flats. Some water in very low areas (around hills) and in drains up to Rowans Gully. Aponogeton flowering
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 16.60 3.80 7.37 78.0
2.8m 14.60 33.20 6.97 83.8
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