Friday, November 01, 2024

In the Philippines, what are the causes of flooding?

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Flood inundates places in the Philippines like Manila. There are number of reasons;

Poverty.

Poorly disciplined people.

Climate change.

Stubborn citizens who kept dumping their garbage in rivers, canals, virtually every where. Slums are nestled on waterways, esteros, canals which make this a normal day-to-day scenario.

The amount of rainfall has risen dramatically due to climate change in conjunction with the sinking of Metro Manila.

Ground water extraction due to deep wells is causing major areas of the metropolis to sink. The north section of CAMANAVA and the southern cities from Pasay onwards have sunk from a foot to over a meter and this has made those areas more vulnerable to floods and storm surges. Scientists have pointed to the fact that this flattening has increased the reach of storm surges from the seaside to as much as 20 kilometers inland. So we get it from both ends in a perfect storm — from the mountains and from the sea. The ground is also sinking due to the weight of all that concrete, buildings and infrastructure.

A comprehensive list is available here.

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