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Glaciers are rapidly melting due to rising global temperatures Climate Change News

Himalayan glacier
– Photo: Pixabay

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Climate change has caused a rapid decrease in snowfall since 1980. Therefore, a major water crisis may occur in densely populated areas in the near future. Scientific data from ground-based observations, satellites and climate models have disagreed on whether global warming is permanently destroying high-altitude ice, but a new Dartmouth study shows that seasonal snowfall has actually decreased significantly over much of the Northern Hemisphere. due to anthropogenic climate change over the past 40 years. According to this report, published in the journal Nature, the rate and rate of this loss could threaten millions of people who depend on ice for water in North America, Europe and Asia.

The fastest reduction of snowpack

Water created in rivers by melting snow, called snowpack, is shrinking the fastest due to global warming, according to the study. This occurred at a rate of 10 to 20 percent per decade in the southwestern and northeastern United States, as well as in central and eastern Europe. By the end of the 21st century, these regions are likely to be ice-free. We are going through a period of severe water scarcity.

Changes in 169 rivers and valleys in 40 years

The study found that between 1981 and 2020, 169 river basins in the Northern Hemisphere experienced rapid changes due to global warming. During this period, snowmelt water was less visible in rivers and springs. Snow is very sensitive to changes in temperature and precipitation during the winter, and the risk of snow loss is not the same as in southwestern New England or a rural Alpine region in high-altitude Asia.

Rising temperatures due to greenhouse gas emissions

According to the study, the glaciers are melting faster due to the increase in the average global temperature. Over the past century, average snowfall and global snow cover have decreased in many regions due to rising temperatures due to human-induced greenhouse gas emissions. Shrinking snow and ice cover is changing ecosystems and affecting our climate system.


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