EstuaryWatch Data Portal

  1. EstuaryWatch Data Portal
  2. Gellibrand River Estuary
  3. G4 Bridge at Rivernook
  4. Observations

G4 Bridge at Rivernook

Active Physico-Chemical 21-04-2007 - 15-03-2024

Gellibrand River Estuary

Download

171 results found (Displaying 51 - 100)
ID Date Status Details
#13007 23 Nov 2018 Approved Notes:

IEC Site. Mouth Open.

Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 19.5 7.3 15.30 0.30 7.95 80.3 0.67
5.3m 19.5 7.3 16.60 21.50 4.22 49.3 34.25
#12537 16 Nov 2018 Approved Notes:

Water level surprisingly high compared with G5

No water across causeway

Remains of skinned dead eel in water beside bridge & old bait trap hung on post
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 19.0 6.8 15.20 0.10 7.74 77.3 0.31
5.0m 19.0 7.1 15.70 21.10 3.89 44.9 33.60
#12462 19 Oct 2018 Pending
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 19.0 7.0 18.00 1.00 5.92 63.7 1.88
2.9m 19.0 6.8 13.80 25.20 2.10 23.5 39.47
#12451 19 Oct 2018 Approved Notes:

Probe attached to weighted rope throughout monitoring

Water flowing fast across dip in causeway
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 50.0 6.6 15.30 0.10 7.18 72.1 0.26
5.5m 50.0 6.7 15.20 0.10 7.20 72.0 0.26
#12403 21 Sep 2018 Approved Notes:

Flow not as fast as G5 but many opposing strong currents creating whirlpools, large amount of vegetation floating in current
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 14.0 6.9 10.40 0.10 9.49 85.4 0.31
5.0m 14.0 6.9 10.40 0.10 9.51 85.1 0.31
#12070 18 May 2018 Approved Notes:

AHD G2 0.61 @ 09:05

Flats around G4 have drained -waterlogged only -no water across dip in causeway. Flow very dark colour with floating veg.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.5 11.90 0.20 8.15 75.4 3.26
5.0m 9.0 6.4 11.80 0.20 8.03 74.2 3.23
#11994 21 Apr 2018 Approved Notes:

Water flow very dark & dirty with lots of debris. "skin" across water surface, more dense near streamside veg.

No water across causeway dip. Flats have drained from around G4 & downstream but flats closer to G5 are completely covered
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 14.20 0.30 6.90 67.2 0.55
4.9m 14.10 0.30 6.65 64.8 0.55
#11968 13 Apr 2018 Approved Notes:

AHD G6 1.48 @  08:05

CCMA YEOKEL meter used

Flood water over most flats
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 6.1 6.5 16.50 0.60 6.36 65.4 1.08
5.9m 6.1 7.0 17.70 31.00 1.98 25.0 47.68
#11950 10 Apr 2018 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 16.90 0.50 4.59 47.5 1.10
5.8m 17.50 30.30 0.04 0.4 46.53
#11896 16 Mar 2018 Approved Notes:

Streamside veg. coated with dried algae & silt
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 6.3 7.1 17.30 0.40 5.93 62.2 0.70
5.1m 6.3 6.8 18.80 20.70 0.38 4.6 33.15
#11877 11 Mar 2018 Approved Notes:

AHD G6 1.05 @15:15

Site difficult to monitor because long weekend activity

River very dark & dirty  -drain discharging just U/S G4
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 18.70 0.50 4.42 47.7 1.05
5.0m 17.60 28.60 0.07 0.8 44.18
#11864 6 Mar 2018 Approved Notes:

S /E wind swirling around -small surface waves. Flow may be wind driven as well as slow

Algae forming on streamside veg. River smells very bad between G4 & township
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.7 18.00 0.30 4.48 47.6 0.62
5.8m 9.0 6.8 17.30 28.90 0.03 0.3 44.09
#11856 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 3.1 7.0 18.10 0.30 5.90 63.0 0.63
5.7m 3.1 7.0 17.70 30.10 0.43 5.5 46.52
#11806 29 Jan 2018 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 15.0 6.7 23.90 0.60 4.80 57.5 1.14
5.2m 15.0 7.3 18.30 30.50 0.29 3.8 46.86
#11730 21 Jan 2018 Approved Notes:

E. wind but site more sheltered by Phragmities than G5  - Phragmities very high dense & taking up more of the water way. Increase of algae on streamside veg.

Springs running strongly all along OOR
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.7 20.80 0.50 6.25 70.1 0.94
5.1m 9.0 17.80 29.60 0.04 0.5 45.61
#11663 15 Dec 2017 Approved Notes:

Phragmities tall & very prolific encroaching well into river channel. Some falling ito the flow & trapping algal scum & debris

Large no. Army grubs on bridge

Many small fish (3-5 cm long) around streamside veg. some also in main flow
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 7.0 19.10 0.10 7.14 77.1 0.27
5.0m 10.0 17.30 26.30 4.89 59.4 40.91
#11598 17 Nov 2017 Approved Notes:

Reduced flow & water level. Dense Phragmities growth all along side of river channel
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 19.0 18.10 0.10 6.46 70.7 0.28
4.5m 19.0 18.10 0.10 6.44 68.1 0.28
#11523 20 Oct 2017 Approved Notes:

Film visible on water surface

Flow full of eddies & whirlpools also visible distinct  short backflow going upstream

Flats waterlogged but no visible water. Flats upstream mill between G5&G4 still underwater. Cape pond weed prolific on all flats around G5. Huge no. water fowl in these areas 
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 21.0 6.8 15.00 0.10 7.46 72.4 0.28
4.8m 21.0 15.10 0.10 7.50 74.6 0.28
#11357 21 Jul 2017 Approved Notes:

Air temp 3.

Many currents & eddies in extremely fast flow, large amount of debris in flow ( mainly dead veg.) 

Rivernook flats have water cover & wide area of water flowing through dip in causeway but practically no water downstream of bridge on north side of channel on Kangaroobie
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 70.0 6.7 8.60 0.20 7.32 63.2 0.34
5.7m 70.0 8.80 0.20 7.35 63.4 0.34
#11264 16 Jun 2017 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.1 10.30 0.20 8.48 75.6 0.36
5.2m 9.0 10.30 0.20 8.23 73.2 0.36
#11246 1 Jun 2017 Approved Notes:

West wind - very cold 3-4

Water still over 1 area on OOR near flood markers -running south

No Water across spillway at G4, flats drained but waterlogged. Visible water only in drains & very low areas

 
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 17.0 6.4 10.20 0.20 8.40 74.7 0.40
5.0m 17.0 10.10 0.20 8.55 76.2 0.40
#11187 20 May 2017 Approved Notes:

Cold east wind  3

Water across spill way
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.2 11.30 0.40 8.15 74.3 0.78
5.5m 9.0 14.40 26.90 3.26 38.3 41.85
#11105 22 Apr 2017 Approved Notes:

West wind 3 (Sheltered by Phragmities)

At 2.00 m down probe started to drift up stream & downstream in response to pulsing from mouth / estuary. As the flow went upstream the E.C. rose from E.C.1.500 to 40.500 then dropped down as the probe went downstream
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.3 14.20 0.50 7.02 69.8 1.00
5.0m 9.0 16.30 29.90 3.08 37.7 44.57
#10993 25 Mar 2017 Approved Notes:

Water through dip in causeway

Evidence of duck shooters = feathers
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.4 18.30 1.00 4.84 51.7 1.90
5.5m 9.0 18.30 27.80 0.23 2.8 43.08
#10947 17 Mar 2017 Approved Notes:

Channel somewhat sheltered from wind by large stand of Phragmities all along the bank. Algae on submerged veg. Large amount of seeds & small dry matter on surface

Very large tiger snake crossed channel next to probe line. One seen previously in channel  further down stream.  Small fish also previously clustered around probe

No visible water on flats either up or down stream

Platypus seen in water at Kangaroobie

Water not sampled beyond 4.50m
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.5 19.40 0.60 4.68 46.7 1.22
4.5m 9.0 18.10 27.00 0.03 0.4 41.69
#10940 11 Mar 2017 Approved Notes:

AHD G2 1.12

Max depth 5.61 m but observations only taken to 3.50 where D.O. starts to reduce to 0.01  mg/l
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 18.90 0.00 4.05 43.5 0.00
3.5m 18.90 0.00 0.01 0.2 43.27
#10929 6 Mar 2017 Approved Notes:

Flats D S G4 flooded. Rivernook flooded but no water past drain US

Only small pools of water on side of OOR near flood markers. (D.O. in wetland area recently excavated for culverts -site 1. S/S 0.60 mg/l   site 2.   N/S  0.81 mg/l
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.4 19.10 0.00 4.16 45.0 0.22
5.8m 9.0 17.90 28.60 0.00 0.0 44.26
#10815 18 Feb 2017 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.4 17.30 0.70 6.21 64.9 1.40
5.2m 9.0 18.40 29.10 3.21 43.7 44.89
#10778 3 Feb 2017 Approved Notes:

West wind about 2-3 creating ripples upstream to G4 site
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.6 18.40 1.10 6.44 68.9 2.17
5.0m 9.0 18.00 31.00 0.03 0.4 47.54
#10748 20 Jan 2017 Approved Notes:

Strong S.W. wind

Probe noticeably drifting @ different levels
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 13.0 6.8 18.20 0.70 6.20 67.7 1.45
4.9m 13.0 18.20 32.00 2.93 37.4 48.90
#10645 17 Dec 2016 Approved Notes:

Site affected by West wind coming upstream - gusts up to 8

Fresh water inflow impossible to access because of wind but probe not drifting at lower levels
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 15.0 6.7 16.50 0.30 7.70 79.2 0.70
5.0m 15.0 16.60 27.30 4.45 53.7 42.43
#10575 25 Nov 2016 Approved Notes:

Strong cold West wind coming up stream to G4

Fish jumping

'Slick' on water surface
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 20.0 6.5 14.90 0.10 7.75 76.3 0.24
4.9m 20.0 14.90 0.10 7.59 75.4 0.24
#10521 27 Aug 2016 Approved Notes:

Water about 2m from concrete, fast through dip in causeway, eddies in channel flow

GOR badly eroded from runoff
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 22.0 6.6 9.40 0.10 7.20 62.8 0.28
6.0m 22.0 9.50 0.10 7.13 62.5 0.28
#10369 18 Jun 2016 Approved Notes:
  • Flats water logged & water visible in drains. No water across dip in causeway
  • Flow medium with numerous eddies & swirls, being broken up by dense Phragmities along channel
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.7 8.90 0.20 8.97 77.4 0.38
5.3m 9.0 8.90 0.20 8.90 76.8 0.38
#10331 21 May 2016 Approved Notes:
  • Flood levels greatly reduced, water draining of flats
  • Very large no. waterbirds
  • No wind
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.6 12.10 0.20 7.41 69.0 0.36
5.0m 9.0 12.10 0.20 6.98 64.5 0.36
#10322 14 May 2016 Approved Notes:
  • Maximum depth recorded not accurate
  • River running in strong eddies around bridge also draining back into channel
  • Large no. small fish at side of channel against vegetation- some being swept downstream by faster flow
  • Pieces of dead vegetation in current
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 14.40 0.20 7.23 71.4 0.47
3.0m 14.40 0.20 7.35 72.0 0.46
#10247 16 Apr 2016 Approved Notes:
  • Frogs calling
  • Large black cat on causeway
  • Water on low land
  • Water across causeway
  • Persicaria in flower
  • Phragmities in flower with seeds & green shoots
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 15.60 1.00 8.11 82.0 1.98
5.6m 10.0 17.50 32.20 0.06 0.8 49.12
#10233 5 Apr 2016 Approved Notes:
  • Algae on submerged veg.Strong wind slightly modified by dense streamside vegetation
  • Water looks dark & dirty but turbidity <9, Phragmities seeds & small dried veg I water
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.6 15.80 1.00 6.27 63.3 1.90
5.5m 9.0 17.70 32.20 3.97 50.8 49.11
#10224 19 Mar 2016 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 10.0 6.5 18.00 2.20 5.69 60.8 4.15
4.8m 10.0 17.80 29.20 3.66 45.8 45.04
#10191 9 Mar 2016 Approved Notes:
  • Flats flooded around G4 and downstream. No water on north flat u/s
  • Algae on submerged stream side veg. & surface of drain
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 5.9 20.80 0.20 4.25 47.6 0.46
5.8m 9.0 17.20 29.60 0.02 0.2 45.52
#10186 2 Mar 2016 Approved Notes:
  • Large amount of algae on streamside vegetation
  • Algae on surface of water along drain beside causeway
  • All flats flooded
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 5.9 20.60 0.30 5.07 56.3 0.70
5.7m 9.0 17.40 29.60 0.01 0.2 45.53
#10168 26 Feb 2016 Approved Notes:
  • Strong w. wind, small waves u/s to G4
  • All flats around G4 flooded except for further u/s on north side of channel
  • Freshwater inflow difficult to tell because of wind/waves
  • Algae on submerged streamside veg. & on surface along drains
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.1 19.30 0.40 4.88 53.0 0.81
5.6m 9.0 17.30 29.70 0.02 0.2 45.74
#10162 20 Feb 2016 Pending Notes:
  • water on Rivernook flats & downstream G4
  • frogs calling
  • Algae on submerged streamside vegetation
  • Phragmities seed heads emerging
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.1 19.00 0.30 4.32 48.7 0.68
5.5m 9.0 17.60 29.60 0.02 0.3 45.64
#10147 12 Feb 2016 Approved Notes:
  • Flow very slow with floating debris
  • North flats downstream flooded with white cream & pink/orange algae forming in shallow water
  • Algae forming on submerged veg. 'skeins' forming on water surface in sheltered areas
  • Rivernook flats have water cover in shallow areas & drains. Water across dip in causeway
  • Some water on north flats upstream (mainly runoff from 11ml rain 11/02/16 & discharge from springs)
  • 30 White headed herons flying upstream
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 22.60 0.50 6.59 76.3 0.94
5.7m 17.60 29.70 0.02 0.3 45.71
#10135 5 Feb 2016 Approved Notes:
  • AHD G2 1.09
  • Algae on submerged vegetation
  • Floodwater across dip in causeway
  • Water covering north flats downstream, red & cream algae in shallow area near downstream end
  • Iridescent 'skeins' on surface of water in sheltered areas around bridge
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 11.0 6.3 20.90 0.50 5.59 62.5 1.07
5.4m 11.0 18.10 29.60 0.02 0.2 45.65
#10096 16 Jan 2016 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.5 19.10 1.40 5.40 64.5 2.67
4.9m 9.0 18.90 29.60 2.69 36.0 45.53
#10165 10 Jan 2016 Approved
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 20.60 1.20 4.94 55.4 2.29
4.9m 17.60 30.40 0.92 0.3 46.71
#10042 1 Jan 2016 Approved Notes:

- Water very dark with floating veg.
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 9.0 6.7 21.00 2.10 5.44 62.2 4.04
4.8m 9.0 17.60 29.80 2.99 37.6 45.80
#10035 27 Dec 2015 Approved Notes:
  • Mouth opened 26/12/15
  • Water circling around bridge
  • Large number of small fish along stream side vegetation & bridge
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 19.60 0.60 5.67 61.9 1.27
5.3m 15.80 27.20 0.02 0.3 42.27
#10029 24 Dec 2015 Approved Notes:
    G6 1.35
  • Many large groups of small fish around streamside veg. and bridge
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 13.0 6.4 22.30 0.40 6.73 78.4 0.75
5.7m 13.0 15.70 27.30 0.02 0.2 42.43
Creative Commons CC BY
All content, files, data and images provided by the EstuaryWatch Data Portal and Gallery are subject to a Creative Commons Attribution License

Content is made available to be used in any way, and should always attribute EstuaryWatch and www.estuarywatch.org.au