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Tag: Southwestern United States

Valle Caldera from Space {Photo of the Day}

Valles Caldera is the remains of a collapsed magma chamber which spans some 22 kilometres (14 miles) in New Mexico, and is featured below in the image taken by the Enhanced Thematic Mapper Plus on Landsat 7 satellite on May 22, 2002.

Tree Rings Sure Up El Nino Data

An international team of climate scientists from the University of Hawaiβ€˜i at Mānoa have found that tree ring data, specifically from the US Southwest, agree well with the 150-year instrumental sea surface temperature records in the tropical Pacific that we already have of El NiΓ±o events.