If glaciers start melting, they will greatly contribute to the rise of the sea level. However, the effects would not be felt the same everywhere on the globe, due to climatic variations. This melting event would increase the sea level by 70 meters, but cities near the coasts might have a lot to suffer.
Coastal cities would suffer different effects, depending on their position and climate
A team of three researchers from NASA’s Jet Propulsion Laboratory were able to tell how a global melting event would impact around 300 cities situated on the coast. The main glaciers which put these cities in danger are those near Antarctica and Greenland.
Among the cities they studied, there were Hong Kong, London, or New York, and each of them was posed to different risks, from different glaciers. The main glaciers which threaten the integrity of the cities include Jakobshavn Glacier, Helheim Glacier, Petermann Glacier, and the North-East Greenland Ice Stream.
If we take New York, it faces more danger from the North-East Greenland Ice Stream than from any other glacier. In about 200 years, the sea around the city might suffer an increase of 2.83 inches. However, the city facing the biggest threat is Rio de Janeiro, which might face an increase of 5.1 inches.
The sea level might also decrease
However, a higher sea level is not the only danger posed by the collapse of glaciers. The sea might decrease as well, and the best example of affected city is Ellesmere. This little town on the coast of England could be affected by Petermann Glacier, which might reduce its sea level by 37.2 inches.
Through this study, published in the journal Science Advances, researchers could highlight the damaging effects that global warming might have. However, there are several other factors which were not presented in the study. This might also contribute to an increase or decrease in sea levels. Even so, these projections might be perfect to prepare people for a future melting event.
Image Source: Pixabay