Study Shows Daily Sea Surface Temperature Swings Can Improve ENSO Asymmetry Modeling
By
Nathaniel Scharping
Summary
New research published in Geophysical Research Letters examines the asymmetry between El Niño warming and La Niña cooling in the El Niño–Southern Oscillation (ENSO). The study suggests that accounting for daily variations (diurnal cycles) in sea surface temperatures can improve climate models' ability to represent this asymmetry. Large-scale climate models have historically struggled to accurately capture the stronger warming of El Niño compared to the weaker cooling of La Niña. By incorporating daily SST swings, researchers aim to better model this imbalance and improve long-term climate predictions.
Source
bskyStudy Shows Daily Sea Surface Temperature Swings Can Improve ENSO Asymmetry Modelingeos.orgKey quotes
· 3 pulledResearchers have long known that there is an asymmetry in the El Niño–Southern Oscillation (ENSO), the confluence of wind and water currents that create warm El Niño events and cooler La Niña events.
Large-scale climate models tend to underrepresent this asymmetry.
New research suggests that more accurately accounting for these variations can improve modeling of the El Niño–Southern Oscillation (ENSO) asymmetry.
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