Seasonal meromixis in three hypersaline lakes on Rottnest Island, Western Australia
- 1 January 1984
- journal article
- Published by CSIRO Publishing in Marine and Freshwater Research
- Vol. 35 (2) , 261-265
- https://doi.org/10.1071/mf9840261
Abstract
Three of the six permanent hypersaline lakes on Rottnest Island become meromictic 'hot lakes' during winter and spring. An important factor contributing to this transient stratification is a surface input of fresh water from seepages around the lakes, which overlays the existing hypersaline layer. Heat penetrates to the monimolimnion of these clear-water lakes and is trapped by the insulating effect of the overlying less-saline water. The disappearance of the stratification at the onset of summer is thought to be due to reduced freshwater input and evaporation of the less-saline mixolimnion.Keywords
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