Opening up the ICOLL #marineexplorer by John …

Opening up the ICOLL #marineexplorer

Opening up the ICOLL #marineexplorer by John Turnbull

Via Flickr:

ICOLLs (Intermittently Closed and Open Lagoons and Lakes) are a feature of Australia’s coastline. They open up when rainfall is sufficient to scour the entrance, converting from a closed brackish lagoon to a salt water estuary. In times of drought, like now, they are often closed, unless local councils open them up with diggers like this one at Narrabeen