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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 81 - 90)
ID Date Status Details
#11952 10 Apr 2018 Approved Notes:

AHD 1.50

N wind sending large ripples downstream
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 19.00 2.40 6.31 68.8 4.39
4.8m 17.80 32.50 1.32 16.9 49.47
#11945 6 Apr 2018 Approved Notes:

AHD G2 1.47     G6 1.42  @  10:39
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 2.80 5.67 67.0 5.21
4.8m 9.0 7.2 17.90 32.40 1.98 25.3 49.47
#11911 23 Mar 2018 Approved Notes:

AHD G6 1.16 @ 10.55    AHD G2 1.19 @ 11:55

Wind driven ripples affecting flow observation

Very large number of small fish  6-12 cm. long around bridge & fishing platform
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 19.70 1.70 8.52 99.5 19.54
4.5m 17.50 33.20 5.19 66.1 50.50
#11894 16 Mar 2018 Approved Notes:

CCMA's YEOKEL meter used for monitoring

AHD G6 0.65 @ 08:00    0.71 @   14:46

AHD G2 0.71 @ 10:25     0.75 @   13:35

NTU's 70 @ 0.50 depth at halocline, rising at top of salt wedge then increasing with depth

Only intermittent waves overtopping berm over a high sand build up at recently opened entrance (20-03-18) . No exchange or out flow from estuary

Flats from G4 & Latrobe creek draining into river channel

 
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 12.2 6.8 18.50 0.40 5.36 58.3 2.70
4.1m 12.2 6.9 18.00 28.80 0.44 5.5 44.59
#11887 14 Mar 2018 Approved Notes:

AHD  G2 0.74  @16:05      -     G6 AHD  0.70  @ 17:10
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 21.00 1.60 4.41 49.7 3.14
4.0m 17.70 27.80 2.13 26.2 43.07
#11881 13 Mar 2018 Approved Notes:

AHD G2  0.57  @ 12:25    -   0.55  @ 13:15   -  G6 0.66  @ 12:01

Large number of small fish around poles of fishing platform G2 also along edge of low track- very active

 
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 18.20 1.30 3.49 37.5 2.49
3.9m 17.60 27.60 4.16 51.3 42.87
#11875 12 Mar 2018 Approved Notes:

AHD G2   0.37 @ 10:55  - dropped to 0.35 @ 14:55 G6  0.40 @ 15:17

Slight current going downstream, but wind driven waves from south going upstream to G2

Oily slick on surface of water in sheltered areas on west bank
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 18.10 1.80 1.79 19.1 3.40
3.5m 18.60 31.30 0.04 0.5 47.94
#11874 11 Mar 2018 Approved Notes:

Post Artificial Opening completed 15:20  on 10-03-2018

AHD    G2  1.26 @  07:30 -  1.26  @ 10:40- G6 1.33 @ 07:15

Strong S/E wind driving waves upstream to G2 . Strong out flow discharging out through a wide entrance.

Strong current movement in water column made monitoring difficult. Water colour very dark (turbidity not measured)
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 19.80 1.50 0.83 9.1 3.33
4.5m 18.30 31.80 0.03 0.3 48.55
#11873 10 Mar 2018 Approved Notes:

Pre Artificial Opening

AHD G2 1.50  @10:00    G6  1.45 @  09:05
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 20.70 1.10 5.93 66.6 2.23
5.0m 18.10 32.10 0.03 0.4 49.04
#11860 5 Mar 2018 Approved Notes:

AHD G2 1.47 @11:55   G6 1.42   @ 08:05

Deck of fishing platform completely under water

Large schools of small fish around bridge & auto monitor  intake, also in pools & water on side of OOR at flood markers
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 20.00 1.40 6.44 71.5 2.67
4.8m 18.20 31.90 0.04 0.5 48.83
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