New data refutes the hypothesis that permanent El Niño conditions existed in the tropical Pacific more than 3 million years before present, favoring climate variability more similar to modern-day. Brian CaccioppoliI am a recent graduate (Dec. 2015) from the University of Rhode Island Graduate School of Oceanography, with a M.S. in Oceanography. My research interests […]
With the intensification of glaciation in the northern hemisphere approximately 2.7 million years ago, the prominent westerly wind belts responded by shifting towards the equator based on evidence from sediment cores. But how exactly are scientists able to determine the position of the winds millions of years ago? The answer lies in proxies! Brian CaccioppoliI […]