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The world's megacities that are sinking 10 times faster than water levels are rising

The world's megacities that are sinking 10 times faster than water levels are rising | Edison High - AP Human Geography | Scoop.it
Scientists have issued a new warning to the world’s coastal megacities that the threat from subsiding land is a more immediate problem than rising sea levels caused by global warming.

 

A new paper from the Deltares Research Institute in the Netherlands published in April identified regions of the globe where the ground level is falling 10 times faster than water levels are rising - with human activity often to blame.

In Jakarta, Indonesia’s largest city, the population has grown from around half a million in the 1930s to just under 10 million today, with heavily populated areas dropping by as much as six and a half feet as groundwater is pumped up from the Earth to drink.

The same practice led to Tokyo’s ground level falling by two meters before new restrictions were introduced, and in Venice, this sort of extraction has only compounded the effects of natural subsidence caused by long-term geological processes.

 

Tags: coastal, climate change, urban, megacities, water, environment, urban ecology.


Via Seth Dixon
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Adilson Camacho's curator insight, August 1, 9:32 PM

Perception!

Matt Evan Dobbie's curator insight, August 2, 3:55 PM

Huge problem when combined with sea level rise

MsPerry's curator insight, August 12, 3:53 PM

APHG-U7

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The Hottest Day On Record ... In Siberia?

The Hottest Day On Record ... In Siberia? | Edison High - AP Human Geography | Scoop.it
Did the Arctic region break a heat record?

Via Seth Dixon
Lauren Jacquez's insight:

Global warming...no...Siberia is supposed to be a cold dark place...according to my Dad!

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Seth Dixon's curator insight, July 27, 2013 7:46 PM

The Siberian Times is reporting a record heatwave for towns such as Norilsk that are both North of the Artic Circle and built on permafrost.  While on the global scale the climatic shifts are quite alarming, there are many in Siberia that see global warming as a mixed bag.  In what some would have you believe is an unrelated news item, the North Pole is experiencing the formation of large meltwater ponds


Tags: physical, weather and climate, Arctic, climate change.