Wettest place on Earth sees decreasing trend in rainfall -Aswathi Pacha

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published Published on Feb 20, 2021   modified Modified on Feb 21, 2021

-The Hindu

Researchers noted that the changes in the Indian Ocean temperature have a huge effect on the rainfall in the region

The quiet, sleepy, yet mesmerising village of Mawsynram trounced Cherrapunji to become the wettest place in the world. Mawsynram receives over 10,000 millimetres of rain in a year.

Decreasing trend

A recent study that looked at the rainfall pattern in the past 119 years found a decreasing trend at Cherrapunji and nearby areas. The team analysed daily rain gauge measurements during 1901–2019, and noted that the changes in the Indian Ocean temperature have a huge effect on the rainfall in the region. They also analysed satellite data and add that there was a reduction in the vegetation area in northeast India in the past two decades, implying that human influence also plays an important role in the changing rainfall patterns.

“The traditional way of cultivation known as Jhum cultivation or shifting cultivation is now decreased and being replaced by other methods. Also, previous studies have noted there is sizable deforestation in the region. Our study also saw the decrease in vegetation cover and increase in the areas of cropland mainly from the year 2006 onwards,” says Jayanarayanan Kuttippurath from Indian Institute of Technology Kharagpur. He is the lead author of the paper published last month in Environmental Research Letters.

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The Hindu, 20 February, 2021, https://www.thehindu.com/sci-tech/science/wettest-place-on-earth-sees-decreasing-trend-in-rainfall/article33889697.ece?homepage=true

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