Bangkok Slowly Sinking

This story was recently released and paints a grim picture for those of us who love Bangkok. It seems that Bangkok is not so slowly sinking into the sea and could be underwater in just 15 years. Considering the speed with which previous infrastructure projects have been completed in Thailand don’t expect much of a reprieve. If you want proof just look at the huge BTS pylons outside of Don Muang. They were there when I first arrived in 1997 and they are still there today without any additions. Since Don Muang has been closed for international flights I have little hope that they will ever be finished. Let’s hope that saving Bangkok from the sea moves at a somewhat faster pace.

From Associated Press:

“During the monsoons at high tide, waves hurdle the breakwater of concrete pillars and the inner rock wall around the temple on a promontory in the Gulf of Thailand. Jutting above the water line just ahead are remnants of a village that has already slipped beneath the sea.

Experts say these waters, aided by sinking land, threaten to submerge Thailand’s sprawling capital of more than 10 million people within this century. Bangkok is one of 13 of the world’s largest 20 cities at risk of being swamped as sea levels rise in coming decades, according to warnings at the recent Intergovernmental Panel on Climate Change held here.

“This is what the future will look like in many places around the world,” says Lisa Schipper, an American researcher on global warming, while visiting the temple. “Here is a living study in environmental change.”

The loss of Bangkok would destroy the country’s economic engine and a major hub for regional tourism.

“If the heart of Thailand is under water everything will stop,” says Smith Dharmasaroja, chair of the government’s Committee of National Disaster Warning Administration. “We don’t have time to move our capital in the next 15-20 years. We have to protect our heart now, and it’s almost too late.”

The arithmetic gives Bangkok little cause for optimism.

The still expanding megapolis rests about 3 1/2 to 5 feet above the nearby gulf, although some areas already lie below sea level. The gulf’s waters have been rising by about a tenth of an inch a year, about the same as the world average, says Anond Snidvongs, a leading scientist in the field.

But the city, built on clay rather than bedrock, has also been sinking at a far faster pace of up to 4 inches annually as its teeming population and factories pump some 2.5 million cubic tons of cheaply priced water, legally and illegally, out of its aquifers. This compacts the layers of clay and causes the land to sink.

Everyone - the government, scientists and environmental groups - agrees Bangkok is headed for trouble, but there is some debate about when. Anond, who heads the Southeast Asia START Regional Center, believes total submersion may not be imminent, but Smith disagrees.

“You notice that every highway, road and building which has no foundation pilings is sinking,” says Smith. “We feel that with the ground sinking and the sea water rising, Bangkok will be under sea water in the next 15 to 20 years - permanently.”

Once known as the “Venice of the East,” Bangkok was founded 225 years ago on a swampy floodplain along the Chao Phraya River. But beginning in the 1950s, on the advice of international development agencies, most of the canals were filled in to make roads and combat malaria. This fractured the natural drainage system that had helped control Bangkok’s annual monsoon season flooding.

“It’s the only city in the world where a car has collided with a boat,” says Smith, recalling a deluge where residents commuted by rickety boats down roads flanked by high-rises.

As head of Thailand’s meteorological department in 1998, Smith warned with little success that the country’s southwest coast could face a deadly tsunami. He was proven right.

He urges that work start now on a dike system of more than 60 miles - protective walls about 16 feet high, punctured by water gates and with roads on top, not unlike the dikes long used in low-lying Netherlands to ward off the sea. The dikes would run on both banks of the Chao Phraya River and then fork to the right and left at the mouth of the river.

Anond, an oceanographer who studied at the University of Hawaii, says other options must also be explored, including water diversion channels, more upcountry dams and the “monkey cheeks” idea of King Bhumibol Adulyadej. The king, among the first to alert Bangkokians about the yearly flooding, has suggested diverting off-flow from the surges into reservoirs, the “cheeks,” for later release into the gulf.

“There is no one single solution to respond to climate change,” says Anond, whose team is putting forward recommendations based on several scenarios. “We have to start doing something about this right now.”

As authorities ponder, communities like Khun Samut Chin, 12 miles from downtown Bangkok, are taking action.

The five monks at the temple and surrounding villagers are building the barriers from locally collected donations and planting mangrove trees to halt shoreline erosion.

The odds are against them. About half a mile of shoreline has already been lost over the past three decades, in large part due to the destruction of once vast mangrove forests. The abbot, Somnuk Attipanyo, says about a third of the village’s original population was forced to move.

The top of a broken concrete water storage tank protrudes from the muddy sea, which swirls around rows of electricity pylons and telephone polls now stuck offshore.

The monastery grounds are less than a tenth of their original size, and the waterlogged temple is regularly lashed by waves that have forced the monks to raise its original floor by more than three feet. Among a group of villagers attending morning prayers at the temple, 45-year-old shrimp farmer Rakiet Phinlaphak looks toward the watery horizon from the promontory and says, “I have seen the sea rising higher since I was a child.”

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