Lake Bullen Merri
Brackish crater lake in Southwest Victoria
38°15′06″S 143°06′15″E / 38.25167°S 143.10417°E / -38.25167; 143.10417[1]Lake Bullen Merri and its smaller northern neighbour Lake Gnotuk are a pair of crater lakes near Camperdown in south western Victoria, Australia.
Lake Bullen Merri has brackish water quality whereas Lake Gnotuk is hyper saline (twice as salty than seawater).
Lake Bullen Merri
Lake Bullen Merri has a maximum depth of 66 m (217 ft), with a clover leaf outline indicating that it was probably formed by two overlapping maar volcanoes. The lake is depicted in work by Eugene von Guerard.[2] The edge of the lake was marked by a stone in the late 1800s by James Dawson; from this and von Guerard's painting, it can be deduced that the level of the lake has dropped considerably in the last 100 years.[3] On the south side of the lake there is a yacht club and toilets. There is a boat ramp available for the boaties.
Lake Gnotuk
The smaller lake to the north of Lake Bullen Merri has a maximum depth of 20 m (66 ft). The two lakes are linked by an overflow channel in the common wall at an elevation of 175 m. There is a 19th-century record of water from Bullen Merri overflowing into Gnotuk.
The crater is 2 km across and although the lakes have the same level of their lake-beds, the level of water is lower in Gnotuk. Lake shore terraces indicate previous higher levels and lake floor sediments and fossils show a record of past fluctuations in salinity, water level and climate.[4]
There is no direct public access to the lake.
On the low-lying land between the two lakes is Camperdown's major sporting complex. There is an 18-hole golf course, two cricket ovals (one with a turf pitch), an extensive equestrian course, tennis courts and a bowling green.
See also
References
- ^ "Lake Bullen Merri". Vicnames. Government of Victoria. 2 May 1966. Archived from the original on 6 June 2014. Retrieved 4 June 2014.
- ^ Lakes and Craters Precinct:Lake Bullen Merri, Kanawinka Geopark
- ^ "Volcanic landforms in the Camperdown area of Victoria". UniServe Science. Retrieved 16 June 2007.
- ^ "Lake Gnotuk".
External links
- Lake Bullenmerrie, southwest of Camperdown., Three craters 3.2 km by 2.8 km are surrounded by a prominent tuff-ring. (Oblique aerial photo) Museum Victoria
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