Masada Geography
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Masada Geography
Geography for the learners of Masada College, Sydney http://www.masadageo.weebly.com
Curated by Ryan Gill
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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 | Masada 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.


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Adilson Camacho's curator insight, August 2, 2014 12:32 AM

Perception!

Matt Evan Dobbie's curator insight, August 2, 2014 6:55 PM

Huge problem when combined with sea level rise

MsPerry's curator insight, August 12, 2014 6:53 PM

APHG-U7

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Megacities Reflect Growing Urbanization Trend

Read the Transcript: http://to.pbs.org/b6sR86 The capital of the South Asian country Bangladesh, Dhaka, has a population that is booming. However, it stands ...

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Jess Deady's curator insight, May 4, 2014 8:50 PM

To be a megacity like this, you have to conform to urbanization. There is no possible way to have such a populated and crowed city with farmlands around. This is a place of business yet residential areas, it also is where the marketplaces are and where kids go to school. Megacities need to be a part of an urban society in order for them to stay afloat.

Bec Seeto's curator insight, October 30, 2014 6:07 PM

This is a great introduction to the demographic explosion of the slums within megacities.  This is applicable to many themes within geography.   

Sarah Cannon's curator insight, December 14, 2015 10:20 AM

I can't image or even relate to the experience of living in a place like this. With rivers polluted right outside your house. And those rivers are what people bathe in and wash their clothes. I can't imagine not being able to access clean drinking water or lacking food. The people in Dhaka endure so much their whole lives, a good percentage of them will always live in poverty.

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Global cities of the future

Global cities of the future | Masada Geography | Scoop.it
Explore the cities and emerging urban clusters that will drive dramatic growth and demographic changes over the next generation. A McKinsey Quarterly Economic Studies article.

 

In the next 13 years, 600 cities will account for nearly 65 percent of global GDP growth. That is reason enough to explore this global dataset with over 2,600 metropolitan areas. 


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Megacities Reflect Growing Urbanization Trend

Read the Transcript: http://to.pbs.org/b6sR86 The capital of the South Asian country Bangladesh, Dhaka, has a population that is booming. However, it stands ...

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Jess Deady's curator insight, May 4, 2014 8:50 PM

To be a megacity like this, you have to conform to urbanization. There is no possible way to have such a populated and crowed city with farmlands around. This is a place of business yet residential areas, it also is where the marketplaces are and where kids go to school. Megacities need to be a part of an urban society in order for them to stay afloat.

Bec Seeto's curator insight, October 30, 2014 6:07 PM

This is a great introduction to the demographic explosion of the slums within megacities.  This is applicable to many themes within geography.   

Sarah Cannon's curator insight, December 14, 2015 10:20 AM

I can't image or even relate to the experience of living in a place like this. With rivers polluted right outside your house. And those rivers are what people bathe in and wash their clothes. I can't imagine not being able to access clean drinking water or lacking food. The people in Dhaka endure so much their whole lives, a good percentage of them will always live in poverty.

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The Three Ages of Megacities

Megacities provide some of the world’s most dynamic and stimulating places to live. But they also bring their own specific challenges. The maturity level of a

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The Rise of Megacities

The Rise of Megacities | Masada Geography | Scoop.it
By 2025, the developing world will be home to 29 megacities.

 

Through this interactive mapping feature with rich call-out boxes, the reader can explore the latest UN estimates and forecasts on the growth of megacities (urban areas with over 10 million residents).  These 'cities on steroids' have been growing tremendously since the 1950s and present a unique set of geographic challenges and opportunities for their residents. 

 

Tags: urban, megacities.


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Seth Dixon's curator insight, January 16, 2013 12:28 PM

Through this interactive mapping feature with rich call-out boxes, the reader can explore the latest UN estimates and forecasts on the growth of megacities (urban areas with over 10 million residents).  These 'cities on steroids' have been growing tremendously since the 1950s and present a unique set of geographic challenges and opportunities for their residents. 


Download the data yourself as a CSV file and your can import this into ArcGIS online and symbolize your map with any of the columns in the dataset.  


Tags: urban, megacities.


Peter Steffan's curator insight, October 9, 2013 5:00 PM

Very cool!

Tori Denney's curator insight, May 27, 2015 3:36 PM

World cities and megacities - Presently , the mega cities of the world have to have a population of at least 10,000. Many cities are very near the minimum to be considered a mega city, but are not quite there. By 2025, the developing world, as we understand it now, is estimated to be home to 29 megacities.