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Dartford Creek flood defence barrier, where the River Darenth meet the Thames. Seen from the Crayford side of the river.
These are eight concrete barriers that traverse a marshy area.
www.environment.gov.au/cgi-bin/ahdb/search.pl?mode=place_...
Mike Rowe, from the television series "Dirty Jobs", was at the Stamford Hurricane Barrier in October 2006, for the barrier's yearly maintenance. The barrier normally sits flat on the ocean floor. It is only raised during storm surges to protect the harbor.
The main job is to identify anodes in need of repair and replace them. There are approximately 550 anodes that protect the metal gate from erosion. The zinc has an electrical charge that attracts the corrosion. They decide when to change the anodes by comparing a new anode to a used one. When the used anodes appear to have less than 50% left, they replace them.
The barrier is about four feet wide and goes down for six levels. Inside, it is filled with cubicles (about 17 across) with six anodes each. Each cubicle is covered with muck from the bottom of the harbor. The sediment and decay are hosed down to the next level. Fish, eels and other creatures can be found living in the sediment.
The Road.
From Peterborough we headed along the Barrier Highway to the NSW Border and the old Mining Town of Broken Hill. It is a long drive and a fairly featureless road, but this is what we saw.
Continuing our tourist trip to Cairns on our last full day in Australia we visited the Great Barrier Reef. This shot was taken from a glass bottomed boat taking a tour over the coral. Obviously this was taken through glass so the quality isn't that great but hopefully you still get an impression of the coral and the seabed.
Mike Rowe, from the television series "Dirty Jobs", was at the Stamford Hurricane Barrier in October 2006, for the barrier's yearly maintenance. The barrier normally sits flat on the ocean floor. It is only raised during storm surges to protect the harbor.
The main job is to identify anodes in need of repair and replace them. There are approximately 550 anodes that protect the metal gate from erosion. The zinc has an electrical charge that attracts the corrosion. They decide when to change the anodes by comparing a new anode to a used one. When the used anodes appear to have less than 50% left, they replace them.
The barrier is about four feet wide and goes down for six levels. Inside, it is filled with cubicles (about 17 across) with six anodes each. Each cubicle is covered with muck from the bottom of the harbor. The sediment and decay are hosed down to the next level. Fish, eels and other creatures can be found living in the sediment.
ABOARD USS CONSTELLATION (July 7, 1999)-- Lieutenant Ron Candiloro, assigned to Fighter Squadron One Five One (VF-151), breaks the sound barrier in an F/A-18 "Hornet". VF-151 is currently deployed with the USS Constellation (CV 64) battlegroup. U.S. Navy photo by Ensign John Gay. (RELEASED)
I like this shot because the two people talking are separated by a barrier and the 3 religions listed on the poster, are also separated by a barrier (black line). To me it is typical of how people are, especially in Hyde Park at Speakers Corner. You get individuals, with various sizes of crowds around them, all ready to tell you about their beliefs and visions of a future for you and humanity. They are like little islands of thoughts, surrounded by believers, non believers and the indifferent. It is always an amazing time to see the behaviours at Speakers Corner, the goaders, the piss takers, the deadly serious etc...each island with it barriers.
Operational since 1982 the Thames Barrier is designed to protect most of London from the serious risk of being flooded by tidal surges from the North Sea. It can be closed and opened as appropriate to protect London from high tides, let water from The River Thames flow out to sea during low tides and allow shipping to pass.
This is a scan of one of my father’s photos from around 1991.
Some of the best petroglyphs in the area are at Sego Canyon, from three distinct eras of rock art. Here is a Barrier-style man with horns, surrounded by years of vandalism and graffiti. The Barrier style is known to be less realistic and more representative, with humanoid forms but disproportionate and symbolic features and shapes.
Aerials taken during LightHawk flight over barrier reef, Pelican Cayes, and Southwater Caye Marine Reserve, Belize
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The rain had stopped by the time I arrived at the Thames Barrier on the border of Charlton and Woolwich on July 11, 2012, during a major photographic journey by bike from Greenwich to Thamesmead and back, although it was still overcast. As Wikipedia explains, the Thames Barrier, which opened in 1984, is "the world's second-largest movable flood barrier (after the Oosterscheldekering in the Netherlands) … Its purpose is to prevent London from being flooded by exceptionally high tides and storm surges moving up from the sea." This photo was taken looking across the River Thames to Silvertown.
See: en.wikipedia.org/wiki/Thames_Barrier
For more on Andy Worthington, see: www.andyworthington.co.uk/
Barrier Free Fun at Roberts Regional Recreation Area, Oakland. East Bay Regional Park District. Built with sponsorship from the Oakland Rotary club.
Photo credit: EBRPD
It's beginning to look a bit like Scotland!
From Peterborough we headed along the Barrier Highway to the NSW Border and the old Mining Town of Broken Hill. It is a long drive and a fairly featureless road, but this is what we saw.
The hundred-yards of barriers, right across the centre of the Market-Square, have left
the HSBC-building 'Orphaned ~ on the wrong side of the barricades !!
Barclays Bank (their chief rival ! ) ~ out-of-shot, just to the left of the War-memorial ~
have magnanimously re-arranged a wing of THEIR bank ~ for use as a temporary banking-hall for HSBC . . typical of the British Spirit of Helpfulness in Adversity !