A tetrapod is a form of wave-dissipating concrete block used to prevent erosion caused by weather and longshore drift, primarily to enforce coastal structures such as seawalls and breakwaters. Like its seagrass-green and ocean-blue company logo, Fudo Tetras public face exudes environmental friendliness as it presents itself as a steward of Japans beautiful natural patrimony. 1. Large-scale port development throughout the country did not take off until the early 1960s. There are, in fact, indications of a trend in Japanese coastal engineering to think more about shoreline aesthetics by submerging breakwaters further offshore and camouflaging seawalls with native vegetation (Baird 2016).[13]. Promoted as sustainable greener sea defense, TetraPOT is an ingenuously semi-hollowed-out tetrapod designed to allow mangrove trees and other plants to grow from it such that their natural root systems intertwine to help anchor the tetrapods for more natural, and more natural-looking, shoreline protection. Its function is twofold: (1) to protect the finer material below it against severe wave action; (2) to dissipate the wave energy to reduce the wave run-up, overtopping and reflection. Elsewhere, othershuman and animalhave actively evolved their lives around them. Advantages And Disadvantages Of Coastal Management | Bartleby Labeled compensation politics, these funds appear to many as de-facto bribes in exchange for hosting U.S. bases. Their attitude is one that feels more practical, and bleak, than anything ever expressed in the US when it comes to natural disaster prevention. Nine years after introducing the tetrapod at the Fourth Conference on Coastal Engineering, Danel followed up at the Eighth Conference in 1962 with a report assessing how well the fifty-five tetrapod installations around the world had performed over several years of service. Despite the fact that such construction did a better job of standing up to storms, Okinawans resisted it for private residences because of climate, cultural, and economic reasons. Public outcry over the concrete encasing Japans coasts is something I expected to find when doing this research; a vibrant community of tetrapod lovers was not. All of the images are mine unless otherwise indicated. They stand firm and upright year after year, from sunrise to sunrise, silent sentinels unmoved by summer's raging typhoons or winter's crash It looks like you're using an ad blocker. In Okinawa, this scenario, parallel to its tetrapod use, is intensified: located in the heart of the Western Pacifics Typhoon Alley, Okinawa receives on average three times the number of typhoons per year compared to mainland Japan, and most of its population of approximately 1.4 million resides within two miles of the coast.
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