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G2 Old Coach Road Bridge Princetown

Active Physico-Chemical 20-04-2007 - 21-07-2023

Gellibrand River Estuary

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628 results found (Displaying 91 - 100)
ID Date Status Details
#11836 28 Feb 2018 Approved Notes:

AHD 1.42 @ 08:15

27-02-2018  (late pm.) Water only over low track & low area on top track- none over OCR& camp ground. Some water at side of road on OOR at flood markers where a huge no. very small fish were observed in pool. Flats flooded D/S G4 & water in drains U/S. Water just starting to enter flats (water logging) immediately around this area.

Drilling for core samples started in preparation for new bridge over Gellibrand (G2 site) on 26th. /27th.& 28 th Feb.also at start of OCR from GOR & also W of campground boundary
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.6 20.70 1.40 6.55 73.6 2.78
4.8m 9.0 6.9 18.30 32.00 0.05 0.8 49.07
#11827 21 Feb 2018 Approved Notes:

AHD G6 1.30 @ 11:10  G2 1.33  @  11:30

Very humid conditions Air temp 24C.

Water up to base of fishing platform deck

 
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.9 21.20 1.60 7.79 88.5 3.03
4.7m 9.0 7.0 18.40 32.30 0.04 0.5 49.23
#11855 16 Feb 2018 Approved Notes:
  • This monitoring was conducted as part of the Index of Estuary Condition.
  • The CCMA YeoKal was used.  It can measure turbidity below 9 NTU.

 
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 2.8 7.3 19.00 2.80 7.89 85.9 5.21
4.7m 2.8 7.2 18.70 33.60 0.64 8.4 51.09
#11777 9 Feb 2018 Approved Notes:

Fine black particles throughout bottom turbidity sample -top sample very clear
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.0 22.50 1.50 6.26 73.0 2.82
4.5m 9.0 7.1 18.30 32.50 0.05 0.6 49.59
#11762 2 Feb 2018 Approved Notes:

AHD G2  1.11 @ 11:56     G6   1.08  @ 11
:27

Flow estimate  difficult because of wind driven waves.

Mouth still barred -more sand sea side of berm & sand very high at east end of beach. Estuary front wider but low track not yet completely covered all way. No water over any roads or other tracks.

New sample equip for pH & turbidity used. Chart used for NTU's. Water sample from 10 cm  above bottom contained small specks of black sediment & very small pieces of algae
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.2 19.80 1.90 7.99 88.5 3.52
4.5m 9.0 7.2 18.20 32.60 0.06 0.8 49.67
#11804 29 Jan 2018 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 5.7 7.1 26.60 2.60 6.25 79.0 4.92
4.3m 5.7 7.2 18.60 33.90 1.18 15.6 51.64
#11731 21 Jan 2018 Approved Notes:

AHD 0.68  @ 09:40

Recent high temperatures (18 &19 th Jan = 38C.) replaced by cool moist foggy conditions

Very large no of waterbirds on N wetlands. Dragonflies around G2 & estuary
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.2 21.30 2.40 7.97 91.4 4.50
3.9m 9.0 18.00 32.90 0.24 3.1 50.10
#11709 7 Jan 2018 Approved Notes:

AHD G2  0.62 @  09:40                                                                                      G6   0.68  @13:15

Salt wedge at 2.50m from top @  G4    D.O. levels low below 2.50m    

no salt at G5 
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 7.0 20.40 2.90 7.31 82.3 5.42
4.0m 9.0 18.00 33.20 1.73 22.2 50.60
#11681 27 Dec 2017 Approved Notes:

Monitoring very difficult because of large no. people diving off bridge, swimming & boating around probe area

AHD G2  0.53
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 11.0 7.0 20.40 4.90 8.10 90.4 8.82
3.6m 11.0 17.90 33.90 4.95 64.0 51.50
#11599 17 Nov 2017 Approved Notes:

AHD G2 0.33@ 09:52

Freshwater inflow between slow & pool but going both US & DS
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 13.0 19.20 1.10 6.49 70.8 2.06
3.7m 13.0 15.20 31.60 3.13 37.8 48.43
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