Tropical Pacific variability key for successful climate forecasts

phys.org | 8/22/2013 | Staff
princia (Posted by) Level 3
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The warming of the Earth by the human-caused greenhouse effect is progressing. But predictions for the next decades still show relatively large uncertainties. A German-Australian research team headed by GEOMAR Helmholtz Centre for Ocean Research Kiel identified the large natural variations in the tropical Pacific region as the key reason. As a conclusion of their study, published in the renowned scientific journal Nature Communications, the scientists call for more climate data from this region.

Our planet is warming up. This is documented consistently by all measurements carried out worldwide. However, this warming, which is mainly caused by the emission of greenhouse gases, is superimposed by natural climatic fluctuations on time scales from years to centuries. Climate forecasts for the future have to incorporate these variations. A team of scientists from Australia and Germany has now found out that in particular the very strong natural climatic fluctuations in the tropical Pacific on decadal timescales are important in understanding how the climate develops in the future.

Variations - Pacific - Time - Dr - Mohammad

"We have known about strong natural climatic variations in the tropical Pacific for a long time," explains Dr. Mohammad Hadi Bordbar from the GEOMAR Helmholtz Centre for Ocean Research Kiel, lead author of the study. "Furthermore, climate forecasts on time scales of decades show a relatively large spread. In our study, we wanted to...
(Excerpt) Read more at: phys.org
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