The incident was part of the road collapsed RE Martadinata is a sign that the phenomenon of decline in surface soil in Jakarta continues. This phenomenon indicates that Jakarta is actually already started to sink.
Soil degradation occurred due to various factors, including ground water sampling in which already exceeds the limit. If the problem is not immediately addressed, then in 2012, Jakarta will sink.
Executive Director of the Indonesia Water Institute Firdaus Ali said the decline in soil occurred due to various factors, including ground water sampling in which already exceeds the limit. If the problem is not immediately addressed, then in 2012, Jakarta will sink
"It was already starting to sink. When it comes to back to back, since last eight years our situation has begun to sinkhole. Begin critical since the last five years," said Firdaus Ali after attending a collapse Jalan RE Martadinata discussion meeting at the office Regional Environment Management Agency Establishments Jakarta, Wednesday (22/09/2010) afternoon.
"You see the dike we are no longer able to hold the building in Muara Baru and the maximum tide," he added. Ali added that areas in Jakarta soil decreased with depth varies.
In the period 1995-2003, the North Jakarta area decreased an average of 18-26 cm per year. The face of the land in Central Jakarta on average 8-14 cm per year slump. This condition is exacerbated by rising sea levels as high as 0.8 cm per year, the cost of buildings on the land, and tectonic movement. If there was water filling the soil through injection wells, it will not raise the soil surface.
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