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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 1 - 10)
ID Date Status Details
#10937 11 Mar 2017 Approved Notes:

AHD 1.12 @ 12:55

*Problems with something attracted to the probe at 2.00m & below
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 18.80 0.00 6.17 66.2 0.00
3.5m 18.60 0.00 4.61 49.3 0.00
#10934 10 Mar 2017 Approved Notes:

AHD G6    1.38     AHD G2   1.40

Fallen leaves & seed pods on surface
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 18.60 0.00 7.52 80.4 0.00
2.8m 18.40 0.00 7.32 77.9 0.00
#10933 9 Mar 2017 Approved Notes:

AHD    G6        1.37  @ 07:37          1.38 @   12:30  

Surface of water covered with dead Blackwood leaves & seed pods. Lots of bubbles rising to surface from  Fish / eels etc.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 18.50 0.00 6.25 67.0 0.00
2.6m 18.30 0.00 6.15 65.2 0.00
#6143 23 Sep 2011 Approved Notes: 1. AHD 1.75
2. Downstream G6 White necked herons 10, Gt white egrets 2.
3. G4 - water close to bearer, no water on Rivernook flats. White egrets 2, Whitenecked heron 1.
4. Between G5&G4 water remaining in drains & low areas. White necked herons 4, Teal 20+
5. G5 - Water cover in low areas & drains , Capepond weed flowering. Whiteheaded herons 29, White necked herons 4, white ibis 7, Pied comorants 2, pair Mountain duck with 5 young, many Black duck & Teal
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 13.50 0.10 8.16 78.2 0.30
3.1m 30.0 13.10 0.20 7.96 73.6 0.32
#6123 17 Sep 2011 Approved Notes: 1. AHD 1.56
2. G4- Water well under bearer. White herons 6, Ravens & Masked plover on Bowkers flat
3. Between G5&G6 Flats waterlogged - water visiable in low areas Cape pondweed flowering in small areas down to G4.
4. G5 Flats waterlogged, large areas of water visiable in low areas -large coverage of cape pond weed
some flowering but large areas rotting . Gt.White egrets 8, White necked Herons 4, White headed herons 30+, also Shellduck, Black duck & swans
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 12.30 0.10 9.71 90.3 0.30
2.9m 30.0 11.50 0.10 9.72 89.0 0.32
#6083 9 Sep 2011 Approved Notes: 1.AHD 1.60
2.Gt white egret at bridge
3. - G4 water under bearer -Gt white egrets 2,
W/h herons 3
4.- Between G5&G4 Flats covered with silt & waterloged, water still in low areas
5. - G5 Flats covered with silt & water in low areas (Cape Pond Weed flowering in those areas)
Reduction in water bird no's, now mainly Herons, Egrets & Shellduck (pair with 4 young).
Gt Whire Egrets 2, Grebes 4, White Necked Herons 4, White headed Herons 6, Swans 20
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 10.00 0.20 9.16 81.2 0.34
2.9m 30.0 9.90 0.20 9.26 82.3 0.37
#6043 3 Sep 2011 Pending Notes: 1.AHD 1.58 (13:05)
2. Large areas of blackwood blossoms in water.
3.G4 Water below bearer (Gt.white egrets 2)
4. Between G5 &G4 - water receeding, flats covered with silt, some water in low areas ( Gt.White egrets 6
5. G5 Low areas holding water, Cape pond weed flowering, silt covering most areas. Large nos of water birds along drains.
Gt white egrets 48+, White headed herons 22, White necked Herons 2.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 11.30 0.10 10.18 92.4 0.31
2.5m 30.0 11.00 0.20 10.28 93.4 0.32
#6023 26 Aug 2011 Pending Notes: .AHD 1.90
2.G4 water below bearer - no water on Rivernook flats (Large no. Arum lillies)
3. Between G5&G4 - water level falling , water in drains
4.G5 water cover in all low areas, Cape pond weed in flower Many water birds in this area.
Whitenecked herons 4, Gt white egrets 8, Grebes 2.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 30.0 7.0 10.50 0.10 8.85 79.3 0.29
3.3m 30.0 10.30 0.10 8.49 75.9 0.30
#5967 19 Aug 2011 Approved Notes: 1.AHD 2.89 at 12:25 ( AHD 2.84 at 08:48)
2.Blackwood flowering many flowers in water
3. G4 water up to south bearer base, no visiable water on Rivernook flats
4.Between G5 & G4 water returned & overbank closer to G5.
5.G5 Gt White egret 3,White headed herons 16, Pie d comorants 2, White necked herons 2.
Many Wood duck, Black duck, Shellduck, Swans & Teal -Chestnut &Grey.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 200.0 7.0 11.50 0.10 8.66 78.9 0.31
4.3m 200.0
#5948 12 Aug 2011 Approved Notes: 1.AHD 2.48 12:45 ( 2.46 08:10)
2.G4 Bridge bearer above water - no water on Rivernook flats (cattle grazing)
3. Between G5&G4 - water receeding but low areas still covered. Cape Pondweed extending along drain toward G4.
4.G5 water receeding but low areas still covered - increase of Cape pond weed north & south of river
5. Hoary headed Grebes 2, Pied Comorants 2, Gt. white Heron 2, White necked Heron 1. very large no. waterbirds around G5
6.Deer 2, below G6
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 50.0 10.10 0.10 8.88 78.7 0.30
3.9m 50.0 9.90 0.10 9.12 80.8 0.30
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