Observation details

Overview

Estuary Gellibrand River Estuary
Site Old Coach Road Bridge Princetown
Observation ID #1448
Date and Time Saturday 13th December 2008 11:05am
Approved Approved

Notes

Recording for G6 were not taken due to extreme weather conditions, the weather also impacted on the recoding for the turbidity at G2; these were not recorded.
Some water visible onthe flats from runoff due to heavy rain. G6 recorded 77ml in rain gauge, most of flood water between g6 and g4 has drained away.
60 black ducks upstream of G5 and 24 downstream.

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 15.90 2.00 7.59 78.3
Previous 17.5 0.9 6.6 70.4
Median 14.8 2.10 5.99 59.00
0.5m 15.90 2.00 7.14 73.5
Previous 17.0 15.5 5.7 65.2
Median 14.8 2.10 5.99 59.00
1.0m 16.00 2.50 4.74 58.4
Previous 17.6 0.9 6.7 68.4
Median 15.9 5.80 5.63 61.00
1.5m 16.00 2.80 4.48 47.5
Previous 16.1 29.7 5.7 70.2
Median 15.9 8.20 5.63 61.00
2.0m 16.20 15.00 5.35 43.7
Previous 17.5 2.2 1.4 14.9
Median 16.1 26.50 3.95 47.20
2.5m 16.30 32.20 5.98 72.5
Previous 15.7 32.9 5.8 75.6
Median 16.1 28.00 4.10 48.40
3.0m 16.20 32.20 5.53 69.0
Previous 15.8 31.2 1.1 13.0
Median 15.8 30.90 3.52 38.10

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1
Previous 0.1 15
Median 0.1 15
Bottom
Previous 3.2 15
Median 3.1 15

Other details

Max depth 3.25
Previous 4.30
Median 3.40
Flow estimate Medium

Observation Documents

No documents found for this observation

Preceding Observations

C Estuary is closed to the sea. O Estuary is open to the sea. P Perched
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