Dominican Republic and Haiti: Villages Slowly Vanish as Lakes Grow

“No one thought much about it when the largest lake in the Caribbean began rising in a year of heavy rains. But then it never stopped.” An AP article describes the frightening prospects and ravages caused by the increasing size of lakes in the Dominican Republic and Haiti, which has caused townspeople to flee.

Lake Enriquillo in the Dominican Republic has doubled in size over the past eight years, swallowing thousands of acres of farms and more than a dozen villages. In neighboring Haiti, smaller Lake Azuei has also steadily swelled, destroying homes and farms as well as disrupting trade by occasionally blocking a key cross-border highway. The two lakes are only three miles (five kilometers) apart and are fed by some of the same streams.

It’s been a slow-motion disaster and potentially catastrophic for two countries already burdened by major environmental challenges. The waters’ rise has worsened exponentially in recent years, especially after heavy rains in 2007 and 2008 hit the island of Hispaniola, which both countries share. Tropical Storm Isaac dumped more water on the region last month, sparking more damage. While the cause remains a mystery, theories as to why the lakes are rising range from sediment and trash clogging the water system to increased rainfall from climate change and heavy storms.

The spread of Enriquillo has flooded 16 communities in two provinces, more than 46,500 acres of agriculture land and 1,000 properties, according to a July study authored by the Technological Institute of Santo Domingo and the NOAA CREST Center of the City College of New York. [. . .] In Haiti, heavy rains made the situation worse last year and dozens of families were forced to evacuate. Many migrant laborers who cross into the Dominican Republic couldn’t make the journey. “It’s a clear environmental disaster,” said Antonio Perera, the Haiti country manager for the United Nations Environment Program. “It’s happening slowly, slowly, slowly, and you won’t see the immediate effects like an earthquake or hurricane.”

Researchers have brought up several factors behind the rise of Enriquillo and Azuei, which both contain salt water because the low-lying region was once part of the ocean. Scientists have speculated that, on the Haiti side, massive deforestation has caused sediment to fill the lake while trash clogs the canals that would drain it. The lakes in both countries may also be growing because of heavier than average rainfall in recent years. On top of that, Perera said, Haiti’s January 2010 earthquake may have shifted faults beneath both lakes and somehow altered the hydrology of the area, though water levels began rising years before the quake.

[. . .] Lake Azuei has expanded outward by about three feet per year for the past 10 years, growing to 52 square miles (134 square kilometers), according to satellite images captured in the City College of New York study. It was once only on the Haitian side but extends across the border by one to two kilometers, covering a Dominican customs office in brackish water.

Similarly, Enriquillo’s shores have moved out by about three feet per year over the past decade, reaching 128 square miles (331 kilometers), double the size of the lake in 2004. Many believe that the two lakes will soon merge as the water levels rise. Right now, they’re separated by a road that often floods during heavy rainfall. Back-to-back storms in 2008 caused Azuei to spill and the border closed for several days, causing an untold loss in commerce.

Authorities in the Dominican Republic have been sending food weekly to the poorest villages on the lake. They’ve also rebuilt broken water channels that were damaged in the 2007 and 2008 storm seasons. The Agriculture Ministry said it plans to relocate 500 families around the lake to give them fresh land for farming. [. . .]

The rising waters have only added to the region’s environmental challenges. Already, Haiti has only 2 percent of its forest cover left, after people deforested the mountains by chopping down trees to make charcoal. In the Dominican Republic, deforestation has hit more than 20 percent of the country. Plus, the lack of a proper sanitation system aggravated a deadly cholera epidemic that surfaced in Haiti the year of the earthquake and then spread, though mildly so, across the border.

For full article, see http://seattletimes.com/html/nationworld/2019181950_apcbdominicanrepublicslowmotionflood.html

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