A study done by the scientists of the Roorkee-based Institute of Hydrology (NIH) on Gangotri Glacier highlighted that global warming is having an adverse effect on glaciers in the form of warm winds.
Scientists found that throughout the year, ten percent more warm winds are blowing over the Gangotri glacier than cold winds. This is one of the reasons for the melting of glaciers and their retreat. Scientists across the globe are worried about rising temperatures, and at the same time, it is also coming out in many new studies that hot winds have worsened the impacts. Due to this, the colder regions are also facing hotter weather patterns than before.
Scientists state that due to the rise in temperature, warm winds blowing in the Himalayan regions are melting the glaciers at an alarming rate. NIH senior scientist Dr Manohar Arora said that hot winds damage the glacier, and about a year and a half ago, a study on the temperature of the winds blowing in Gangotri carried out the catabatic and anabatic analysis to measure the impacts. The research found out that when the temperature drops in winter, the winds blow from top to bottom, and when the heat increases, the winds blow anabatic, that is, from the bottom to the top of the slope of the glacier. The study found that 60 percent of the relatively warm winds blowing throughout the year in the Gangotri Glacier are from bottom to top.
In comparison, 40 percent of the winds are from top to bottom. He added that the nature of the wind has an effect on the glacier because strong winds and warm winds blowing from bottom to top in the valley also adversely affect the glacier.
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