Underground sources can double the area floods

Scientists from the University of Hawaii at Manoa have found that in addition to the usual threat of flooding low-lying places, coming from the oceans and rivers, with the increase in global sea level increases the likelihood that flooding will be challenged by underground springs. On the example of Honolulu, you can see that the flooding of the city from the ground is twice stronger than by sea water.

Underground sources can double the area floods

If the sea level continues to rise and will increase to 1 meter, 10% of the densely populated coastal areas of Honolulu with a recess inside the island for 1 km will be under water. At the same time, 58% of the land will be a source of flooding underground reservoir of fresh water.
Scientists believe that the risk to proschityvaya low placed coast, now we must take into account the presence near underground sources and the height of water in them, in order to avoid underestimation of the level of risk. At that, the closer the initial reservoir to the surface, the greater the chance that it will participate in the flooding of land with water that gush out of the sea or ocean.
In extreme cases, scientists recommend taking advance of pumping underground water risk maps according lowland areas.

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