Sunday, September 24, 2006

Where is the land going?

Pollution is not only destroying the earth, but reducing the amount of land in which to destroy. The effects of global warming are causing a significant increase in the ocean levels and a rise in land erosion on the coastlines. Due to an increase of carbon in the air, higher temperatures are causing a melting of glaciers and thermal expansion of the sea water, both contributing to the increase in sea levels. The Intergovernmental Panel on Climate Change (IPCC) monitors such potential impacts of climate change. Over the last 100 years, the sea level has risen by 10 to 25 centimeters and will continue to rise 1 meter each century if no action is taking. In a country such as Bangladesh, the increase would displace more than 13 million people alone, one and a third times the people in New York City. The rate at which the seas are rising continues to increase.

If the sea level were to rise over 4 meters, almost every coastal city in the world would be severely affected, especially in the regions of Vietnam, Bangladesh, China, India, Thailand, Philippines, Indonesia, and Egypt to name a few around the world. Several regions are already experiencing the damaging effects. One million people per year have been displaced in Bangladesh because of the loss of land along river; that's almost equivalent to displacing the city of Atlanta twice. In the case of Tuvalu, a nation that producing less carbon pollution than a small town in America, the people are close to facing a critical refugee problem. With their land totaling 10 square miles, the highest point on the mainland is 4.6 meters with an average elevation of one meter. Similar scenarios include Delaware Bay, Chesapeake Bay, the state of Florida, Cape Hatteras, and Venice.


The country of TuvaluFlood maps have now been generated to predict and forecast the global effects of rising ocean levels. The images below show the flooding after a 4 meter increase in the ocean levels.

Barcelona

















Genoa


















The effects of a 4 meter rise in the current ocean levels would significantly affect most coastal cities and would generate a need to consider such effects in current designs. How would a design be affected by an assumed future displacement of surrounding land or water?


1 comment:

rael said...

you have all the stats for great speculation, mapping and diagrams. we see how people will be affected at a global scale. maybe you can also look at who is doing the affecting (the biggest polluters) and add that to the synopsis.