Related topics: global climate change

Large variations in precipitation over the past millennium

According to a new study in Nature, the Northern Hemisphere has experienced considerably larger variations in precipitation during the past twelve centuries than in the twentieth century. Researchers from Sweden, Germany, ...

NASA maps El Nino's shift on US precipitation

This winter, areas across the globe experienced a shift in rain patterns due to the natural weather phenomenon known as El Niño. A new NASA visualization of rainfall data shows the various changes in the United States with ...

Paleo study shows how elevation may affect evolution

About 34 million years ago, global temperatures took a dive, causing a sudden wave of extinctions among European mammals. In North America, however, life went on largely unscathed. A new study explains why: The rise of the ...

Ocean warming could drive heavy rain bands toward the poles

In a world warmed by rising atmospheric greenhouse gas concentrations, precipitation patterns are going to change because of two factors: one, warmer air can hold more water; and two, changing atmospheric circulation patterns ...

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