Mountain range representation could reduce biases in global climate models, study says
Accurate representation of low-latitude mountains reduces biases in climate models. Credit: NOAA Climate Program Office
For years, global climate models have shown biases in their representation of the Intertropical Convergence Zone (ITCZ), a tropical rainband where a large portion of Earth’s precipitation occurs. However, researchers from a recent Climate Observations and Monitoring (COM)- and Modeling, Analysis, Predictions and Projections (MAPP)-funded study argue that a significant portion of tropical rainfall and circulation biases in global climate models are due to how mountain ranges are represented in these models.
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