Global Study Finds Tropical Glaciers Melting Ahead of Predictions

 

📸: Ethan C. Parrish/Whispering River Media

An international group of scientists discovered a peculiar absence of beryllium-10 and carbon-14 isotopes in the minerals that border glaciers in the Andes highlands. This finding suggests that the last time these rocks were exposed to the warmth of our Sun was at least 11,700 years ago. In addition to the devastating floods that are occurring as a result of melt pools bursting through the ice that was formerly holding them, the Andes area is already facing droughts that are shattering records and lack of water as a consequence.

Across the globe, from the Alps to the Arctic, glaciers are shrinking, leaving increasingly larger areas exposed both in mountainous regions and around polar ice caps; [...] The retreat of glaciers is one of the most evident signs of climate change, explained Levan Tielidze, a Monash University glaciologist.

During the winter months, glaciers store water in the form of snow, and when the snow melts in the summer, they release it, so supplying water for billions of people. The glaciers are melting, which means that there is less freshwater accessible below. The flow of large rivers such as the Magdalena and Ganges will be drastically reduced as a result of a combination of factors, including the invasion of saltwater from rising oceans and the diminishing meltwater from glaciers that are sliding away. In a statement issued the previous year, the Secretary-General of the United Nations, António Guterres, warned that this might result in entire communities being compelled to move in search of water.

Furthermore, given that it is likely to be an occurrence that will extend from the tropics throughout the globe as our Earth heats, we have to understand more about the consequences that environmental change has on ecosystems that are located in the surrounding areas.

In order to show your support for the work that scientists do, learn more about their discoveries and research here.

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