Climate change to shift tropical rains northward, suggests computer modeling
A UC Riverside study warns of a northward shift in tropical rains due to unchecked carbon emissions. This shift will affect agriculture and economies near the equator, impacting major crops for about 20 years.
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A study led by a UC Riverside atmospheric scientist suggests that unchecked carbon emissions will lead to a northward shift of tropical rains in the coming decades. This shift, caused by changes in the atmosphere influenced by carbon emissions, will impact agriculture and economies near the Earth's equator. The research predicts that the northward rain shift will affect tropical regions like central Africa, northern South America, and Pacific island states, impacting major crops such as coffee, cocoa, and bananas. The shift is expected to last for about 20 years before other forces related to warming southern oceans pull the convergence zones back southward. The study used sophisticated computer models to simulate the impact of carbon dioxide emissions on atmospheric conditions, predicting a northward shift of the rain-forming convergence zones by up to 0.2 degrees on average. This shift is deemed significant due to the heavy rainfall in these regions, highlighting potential implications for agriculture and economies.
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