ニューヨーク・タイムズのインスタグラム(nytimes) - 3月24日 05時03分

The majestic beauty of California’s Sierra Nevada never fails to impress. But the mountain range, which stretches hundreds of miles, is more than a stunning vista. It’s a linchpin that helps make living in an arid state possible. That’s because one of California’s most important water supplies is melted snow. Knowing how much snow has accumulated is crucial for farmers and water managers. @NASA’s Jet Propulsion Laboratory, known as the Airborne Snow Observatory, has been using measurements gathered by specialized instruments on a plane to gain an unprecedented understanding of the amount of water present in the Sierra’s snow. As the plane circles the mountains it fires laser pulses toward the ground. By measuring how fast the pulses bounce back, the scientists are able to create detailed topographical maps. Recently, @ニューヨーク・タイムズ staff photographer @jimwilson125 accompanied the crew. From up above, he photographed huge snowdrifts near the western cliffs of the Minarets in the central Sierra Nevada. Swipe left to see trees on a slope in the snow-covered eastern Sierra Nevada and skiers at Mammoth Mountain, and visit the link in our profile to see the full story.

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