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Maroc Maroc - WN.COM - Science - Aujourd'hui 04:11

Long, dry spring season puts Himalayan rivers under stress

For centuries, the forests of western Himalayas have quietly recorded every wet spring and every failed one. This record can be found in the rings trees form annually. If winter and spring precipitation is good, the trees grow wider rings. When it fails, the rings narrow.And when scientists studied this ancient data, one year stood out: 2022. Its spring was the driest in the western Himalayas, in at least 396 years.Alarmingly, the scientists also found that the two decades from 2000 to 2022 were the driest sustained spring seasons in the region since early 1600s, an unprecedented drought.“When you extend the record back nearly 400 years, 2022 emerges as the driest spring we’ve seen,” said...

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