Engineers Australia

Sea level change and paleochannels in the Perth Area

Ray Gordon

Abstract

Possible causes of climatic fluctuations during the Quaternary and the resultant variations in global sea levels are described. The formation of palaeochannels in the Perth area is related to the sea level variations and channel forming episodes identified from site investigations along the Swan River. The geological and geotechnical characteristics of the channel infills are summarised and the engineering implications of the channels outlined.