Observation #15018 17-09-2022 | H1: Site one (Hopkins River Bridge)

Login

Observation details

Overview

Estuary	Hopkins River Estuary
Site	Site one (Hopkins River Bridge)
Observation ID	#15018
Date and Time	Saturday 17th September 2022 10:06am
Approved	Approved

Notes

Bottom pH is <9. Med- Fast flowing out to sea.

Mouth photos attached here.

Thanks Brad. Very interesting to see quite a lot of tidal/ocean influence still pushing up the estuary, however this may disappear soon! Great D.O. profile throughout.

Depth Profiling

Depth m		Temperature °C	Salinity ppt	D.O. mg/L	D.O. % sat	EC mS/cm
0.1m		12.80	8.50	8.70	87.3	15.00
	Previous	12.0	2.0	10.6	98.2	3.7
	Median	15.9	11.00	9.85	104.50	18.6
0.5m		12.90	10.70	7.70	80.2	17.90
	Previous	11.1	9.6	10.9	106.2	16.2
	Median	15.9	11.00	9.77	104.50	18.6
1.0m		13.20	23.60	7.53	85.6	38.70
	Previous	11.9	2.4	10.1	94.2	4.5
	Median	15.7	21.20	8.60	98.40	33.7
1.5m		13.20	32.00	8.20	97.3	49.07
	Previous	12.6	25.8	8.9	98.6	40.5
	Median	15.7	21.20	8.26	98.40	33.7
2.0m		13.20	32.20	8.33	98.5	49.26
	Previous	12.9	25.1	4.9	54.2	39.5
	Median	15.2	28.00	6.94	86.00	43.5
2.5m		13.20	32.20	8.24	97.0	49.37
	Previous	13.2	30.7	7.8	89.6	47.3
	Median	15.2	28.00	6.94	86.00	43.5
3.0m		13.20	32.30	8.10	96.0	49.47
	Previous	13.2	31.7	3.0	34.3	48.6
	Median	15.3	31.50	6.15	77.30	48.2
3.5m		13.30	32.30	3.40	20.0	49.46
	Previous	13.4	32.0	7.4	85.9	49.0
	Median	15.3	31.30	6.15	77.30	47.9