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Photographer's Note

A short distance from the Carrington Falls is the seaside town of Kiama. There is a phenomenon here that I had never heard of prior to coming to Australia, but when I did, I had to check it out. It is well worth the trip.

The Kiama Blowhole is reputed under certain sea conditions to spray water up to 25 meters in the air, in quantities that will drench any bystanders. This also makes it the largest blowhole in the world. It is the main attraction to Kiama. The name Kiama itself incidentally is derived from a local aboriginal word which means “where the sea makes noise”

This phenomenon attracts over 600,000 visitors a year. It is huge. The hole that the water rushes through is 25-30 feet in diameter. I selected this shot for the posting so you could see the three people on the top, and get a measure of the scale. In the workshop , I have another shot which gives a better idea of the height this thing will reach.

It is basically just a large tunnel connected to the sea. The best surges are seen under the right conditions, when the tide is up, and with large swells; large waves enter the mouth of the Blowhole & compress the air within the inner cavity. As the retreating water leaves, it is forced upward by the compressed air, as the mouth is still blocked by the receding wave. The escaping air causes the loud "oomph", which accompanies the water spout. Over many years the Blowhole will become less vigorous, as the underground cavity erodes due to the pounding waves.

Much of this from:
http://en.wikipedia.org/wiki/Kiama_Blowhole
http://www.totaltravel.com.au/travel/nsw/illawara/kiama/travel-guides/Destinations/kiama-blowhole

Workflow was as follows:
Shot taken in Raw with JPG reference – (ISO 200 24mm @f4.0, 1/125)
NEF files adjusted for exposure, shadow, vignetting and brightness
Rotated and cropped (with reference on horizon)
Levels – not used
Curves – tweeked from auto with S-curve
Added an overlay layer and dodged and burned with 10% opacity black and white brush
Added saturation layer +25 to master
Saved as a tiff
Resized, added a layer for sharpening with USM, modified sharpening with a layer mask (50% opacity black brush), framed and saved as a jpeg.

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Additional Photos by John Plumb (JPlumb) Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 710 W: 158 N: 1008] (3159)
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