Tracing the geological history of spring rains: Why they diminish in North America and emerge in East Asia

In ancient China, spring rains were called "as precious as oil" for their vital role in nature's spring revival. Today, a unique climate phenomenon known as "spring persistent rainfall" (SPR) prevails in East Asia, bringing about 600 mm of rainfall—more than 35% of the region's annual mean total rainfall.

Mar 18, 2025 - 16:27
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In ancient China, spring rains were called "as precious as oil" for their vital role in nature's spring revival. Today, a unique climate phenomenon known as "spring persistent rainfall" (SPR) prevails in East Asia, bringing about 600 mm of rainfall—more than 35% of the region's annual mean total rainfall.