Abstract. The skill of current predictions of the warm phase of the El Niño Southern Oscillation (ENSO) reduces significantly beyond a lag time of 6 months. In this paper, we aim to increase this prediction skill at lag times of up to 1 year. The new method combines a classical autoregressive integrated moving average technique with a modern machine learning approach (through an artificial neural network). The attributes in such a neural network are derived from knowledge of physical processes and topological properties of climate networks, and they are tested using a Zebiak–Cane-type model and observations. For predictions up to 6 months ahead, the results of the hybrid model give a slightly better skill than the CFSv2 ensemble prediction by the National Centers for Environmental Prediction (NCEP). Interestingly, results for a 12-month lead time prediction have a similar skill as the shorter lead time predictions.
Using network theory and machine learning to predict El Niño
P. Nooteboom,Q. Feng,C. L'opez,E. Hern'andez-Garc'ia,H. Dijkstra
Published 2018 in Earth System Dynamics
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- Publication year
2018
- Venue
Earth System Dynamics
- Publication date
2018-03-27
- Fields of study
Mathematics, Physics, Computer Science, Environmental Science
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