Port Stephens Bioherms

Port Stephens Bioherms Map of Port Stephens showing the location of shell bioherms (green shading) forming shallow areas in the modern estuary. Source: NSW Geological Survey Report GS1974/093 Last week I was invited to give a talk at Salamander Bay on the geology and...

Coast Ambassadors

Coast Ambassadors I recently returned from a trip to Adelaide in my capacity as a member of the Wentworth Group where I met members of a remarkable group. They refer to themselves as Healthy Rivers Ambassadors with the aim of “promoting a healthy, working...

Coastal Graphics

Coastal Graphics Graphic from Coast to Coast 2012 “Living on the Edge” Conference highlighting the issues, relationships and challenges of coastal planning and management. (Source: Graphic prepared by Michelle Walker from http://www.curiousmindsco.com.au/ ) I was...

Irukandji on the move

Irukandji on the move Warning sign for marine stingers such as Irukandji jellyfish (Source: Queensland Dept. National Parks, Sports and Racing) I was first alerted to the potential southern migration of Irukandji jelly fish during hearings before the House of...

Acceleration in mean sea level

Acceleration in mean sea level Since 2011 Phil Watson of the Office of Environment and Heritage, NSW, has been analysing data from various tide gauges around the world for trends in mean sea level (MSL). He is continuing to publish his results in the Journal of...