Observation #13075 17-05-2019 | G2: Old Coach Road Bridge Princetown

Estuary	Gellibrand River Estuary
Site	Old Coach Road Bridge Princetown
Observation ID	#13075
Date and Time	Friday 17th May 2019 11:10am
Approved	Approved

AHD 0.68 @ 11:10

Reactive phosphorus test (top sample) 0.045

Low D.O. below 1.50m down

Depth m		Temperature °C	Salinity ppt	D.O. mg/L	D.O. % sat	EC mS/cm	Notes
0.1m		12.60	0.90	7.69	72.7	1.68	Wind ne 2
	Previous	14.5	3.3	6.8	67.9	6.1
	Median	17.1	2.00	6.78	70.40	3.6
0.5m		12.50	0.90	7.48	70.6	1.73
	Previous	15.3	14.3	3.9	40.8	2.5
	Median	17.1	1.90	6.78	70.40	3.6
1.0m		12.50	0.90	7.47	70.5	1.75	E.C. erratic
	Previous	16.7	27.8	5.8	70.0	43.1
	Median	17.9	4.90	6.87	70.00	8.2
1.5m		13.20	6.60	2.34	23.2	11.55	E.C. & D.O. erratic
	Previous	16.5	34.0	5.0	61.8	3.6
	Median	17.9	4.70	6.87	69.80	8.2
2.0m		14.30	11.90	1.14	12.3	19.43
	Previous	16.7	33.8	2.9	37.1	51.4
	Median	17.0	20.00	5.88	64.20	32.0
2.5m		15.50	33.40	0.75	9.2	50.80
	Previous	15.9	34.8	7.1	88.9	25.5
	Median	17.0	20.00	5.88	64.20	32.0
3.0m		15.80	34.00	0.66	8.1	51.70
	Previous	16.6	34.1	2.5	31.8	52.2
	Median	17.6	27.90	3.92	48.20	43.2
3.5m		15.90	34.10	0.40	5.5	51.90
	Previous	15.9	34.8	7.0	86.8	32.5
	Median	17.6	27.90	3.92	48.20	43.2
3.9m		15.90	34.20	0.35	4.3	51.90
	Previous	16.6	20.4	0.1	0.7	19.0
	Median	17.6	27.90	3.92	48.20	43.2

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