| What Is Sea Level Rise ?
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One of the most noticeable effects of global warming has been the melting of ice sheets and glaciers all over the world. Nearly 10 percent of the land mass is covered by ice sheets and glaciers, and they exist in all continents other than Australia. In addition, these ice sheets and glaciers are the largest reservoirs of fresh water.In the last century, it has been seen that ice sheets and glaciers located in Greenland and Antarctica have melted quite substantially. |
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Here the ice is melting faster than it is being replaced. Both temperature change as well as changes in the rain pattern has affected the way ice is replaced in ice sheets and glaciers. When there is high temperature for a particular period of time, the amount of rain that falls decreases, and this directly affects the formation of ice sheets and glaciers. In addition, the high temperatures also cause the melting of the ice, which flow into rivers, lakes and oceans. This excess flow along with the melted ice contributes to sea level rise.
Since the middle of the 19th century, most of the sea level rise is due to human activities that have brought about a change in the climate. In the 20th century, the sea level rise was around 15 centimeters to 20 centimeters, with higher rise being witnessed towards the latter half of the century compared to the initial half. In fact, in the last 10 years, the sea has witnessed a rise of 3.1 mm per year, which is more than the average for the 20th century.
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What Is Sea Level Rise ?
