Articles | Volume 25, issue 7
Hydrol. Earth Syst. Sci., 25, 3875–3895, 2021
https://doi.org/10.5194/hess-25-3875-2021
Hydrol. Earth Syst. Sci., 25, 3875–3895, 2021
https://doi.org/10.5194/hess-25-3875-2021

Research article 07 Jul 2021

Research article | 07 Jul 2021

Influence of ENSO and tropical Atlantic climate variability on flood characteristics in the Amazon basin

Jamie Towner et al.

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Cited articles

Alfieri, L., Burek, P., Dutra, E., Krzeminski, B., Muraro, D., Thielen, J., and Pappenberger, F.: GloFAS – global ensemble streamflow forecasting and flood early warning, Hydrol. Earth Syst. Sci., 17, 1161–1175, https://doi.org/10.5194/hess-17-1161-2013, 2013. 
Alfieri, L., Zsoter, E., Harrigan, S., Hirpa, F. A., Lavaysse, C., Prudhomme, C., and Salamon, P.: Range-dependent thresholds for global flood early warning, J. Hydrol., 4, 100034, https://doi.org/10.1016/j.hydroa.2019.100034, 2019. 
Alizadeh-Choobari, O.: Contrasting global teleconnection features of the eastern Pacific and central Pacific El Niño events, Dynam. Atmos. Oceans, 80, 139–154, https://doi.org/10.1016/j.dynatmoce.2017.10.004, 2017. 
Barichivich, J., Gloor, E., Peylin, P., Brienen, R. J., Schöngart, J., Espinoza, J. C., and Pattnayak, K. C.: Recent intensification of Amazon flooding extremes driven by strengthened Walker circulation, Sci. Adv., 4, eaat8785, https://doi.org/10.1126/sciadv.aat8785, 2018. 
Berghuijs, W. R., Harrigan, S., Molnar, P., Slater, L. J., and Kirchner, J. W.: The Relative Importance of Different Flood-Generating Mechanisms Across Europe, Water Resour. Res., 55, 4582–4593, https://doi.org/10.1029/2019WR024841, 2019. 
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Short summary
We examine whether several climate indices alter the magnitude, timing and duration of floods in the Amazon. We find significant changes in both flood magnitude and duration, particularly in the north-eastern Amazon for negative SST years in the central Pacific Ocean. This response is not repeated when the negative anomaly is positioned further east. These results have important implications for both social and physical sectors working towards the improvement of flood early warning systems.