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Processes of hydraulic action wear away at the rock, aiding its erosion by processes of attrition and abrasion. A wave-cut notch forms at the foot of the cliff, this is a marine or a cliff-foot process. By subareal erosion, the cliff on top of the notch becomes weaker, eventually collapsing due to gravity.
The rock is then gradually broken up, again by hydraulic action, attrition and abrasion, which leaves a platform of sediment at the foot of a cliff.
I'm a living, walking, talking textbook =D
Waves at Forster's beaches in NSW are always a joy to watch and in all weathers but it is a real challenge to capture the wonderful glassy look they get at just the right time as they roll over to fall....
January 22, 2015: Winter surf and high tide resulted in messy saltwater inundation and beach erosion at the Fairmont Orchid, Mauna Lani.
Winter surf is a problem every year, but this is the worst hit we've seen on this stretch of shoreline since we opened this hotel for Ritz-Carlton 26 years ago - even worse than the tsunami that shuttered Kona Village in March, 2011. The difference was wrap-around wave action: this was a direct straight-on hit and the ever-rising high tide. We simply cannot deny climate change - it is very real, and shoreline developers best take heed.
Illustrated blog post: www.managingwithaloha.com/seek-bigger-visions/