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L1 Bridge at Latrobe Creek Mouth as it enters the Gellibrand

Active Physico-Chemical 15-06-2007 - 15-03-2024

Gellibrand River Estuary

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217 results found (Displaying 141 - 150)
ID Date Status Details
#11833 28 Feb 2018 Approved Notes:

AHD  1.42

D.O. in wetlands S of boardwalk bridge 3.45mg/l  38.9 %

Wind gusts up to 7  (from west)
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 21.00 1.50 6.50 73.5 2.84
3.5m 19.80 28.30 0.04 0.5 43.80
#11861 5 Mar 2018 Approved Notes:

D.O. taken in wetlands midway between OCR & bridge  4.87 mg/L

Springs running strongly in areas west of Princetown
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 19.80 1.00 5.98 66.2 2.06
3.5m 19.60 28.00 0.05 0.6 42.75
#11876 11 Mar 2018 Approved Notes:

AHD G2 1.00 @ 12:25

Cold S/E wind -waves going upstream, but drift on probe indicated strong discharge into river

Water colour very dark & dirty with 'oily' slick on surface, some small fish being swept D/S by strong current
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 20.60 2.40 0.05 0.6 4.42
3.2m 20.60 2.50 0.06 0.4 5.03
#11888 14 Mar 2018 Approved Notes:

AHD  0.74 @16:05

Oily slick over water surface  moving only slightly

Aphids starting to cover Phragmities in wetlands
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 20.00 1.70 3.86 43.0 3.26
2.8m 17.60 26.10 3.87 47.3 40.69
#11897 16 Mar 2018 Approved Notes:

AHD G2 0.73 @  11:05

Very slow flow U/S

Oily slick at side of streamside veg. possibly dispersed by small wind driven waves mid channel
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 11.5 6.9 18.40 1.40 5.06 54.4 2.76
2.7m 11.5 7.3 18.00 26.40 3.46 42.7 41.34
#11912 23 Mar 2018 Approved Notes:

Down stream flow difficult to tell because of wind effect

Depth of water in wetlands around mid boardwalk   .20m

Water surface covered by almost continuous  patches of Phragmities seed/pollen(?) in variable density

AHD G2 1.19
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 20.00 10.40 6.52 75.2 17.42
3.3m 17.70 32.50 7.67 97.9 49.61
#11946 6 Apr 2018 Approved Notes:

 

AHD  1.47

Very slight movement upstream, possibly from wind?
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 18.30 2.90 5.57 60.2 5.37
3.5m 18.00 30.00 3.72 47.4 48.89
#11951 10 Apr 2018 Approved Notes:

Wind driven waves entering from main river channel & going upstream Latrobe creek
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 19.40 2.30 6.19 68.3 4.38
3.5m 18.00 31.80 3.17 40.7 48.57
#11969 13 Apr 2018 Approved Notes:

AHD G2 1.52

Flow affected by strong wind  = waves downstream

Turbidity very erratic

CCMA YEOKEL meter used
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 17.60 3.40 6.54 69.5 6.31
3.5m 18.30 32.50 3.93 51.1 49.65
#11995 21 Apr 2018 Approved Notes:

AHD  G2 0.66 @ 08:30   -     0.54 @  12:40

Flow mainly downstream but some flow from main river channel entering on south side mixing currents around boardwalk bridge. Probe started drifting  downstream

'Slick' on water surface & large amount of dead veg. in flow

Very large schools of fish (10 cm.+) at surface around bridge
Depth Turb NTU pH Temp ° C Salin ppt D.O. mg/L D.O. % sat EC mS/cm
0.1m 15.40 8.50 0.05 0.5 14.53
2.8m 15.40 8.50 0.03 0.3 14.65
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