Articles | Volume 7, issue 1
Research article
18 Jan 2016
Research article |  | 18 Jan 2016

Lifetime of soil moisture perturbations in a coupled land–atmosphere simulation

T. Stacke and S. Hagemann

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Cited articles

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Bony, S., Colman, R., Kattsov, V., Allan, R., Bretherton, C., Dufresne, J.-L., Hall, A., Hallegatte, S., Holland, M., Ingram, W., Randall, D., Soden, B., Tselioudis, G., and Webb, M.: How well do we understand and evaluate climate change feedback processes?, J. Climate, 19, 3445–3482,, 2006.
Short summary
This study evaluates the lifetime of soil moisture perturbations using an atmosphere-land GCM. We find memory of up to 9 months for root zone soil moisture. Interactions with other surface states result in significant but short-lived anomalies in surface temperature and more stable anomalies in leaf carbon content. As these anomalies can recur repeatedly, e.g. due to interactions with a deep-soil moisture reservoir, we conclude that soil moisture initialization may impact climate predictions.
Final-revised paper