Articles | Volume 11, issue 10
https://doi.org/10.5194/gmd-11-4291-2018
https://doi.org/10.5194/gmd-11-4291-2018
Development and technical paper
 | 
19 Oct 2018
Development and technical paper |  | 19 Oct 2018

Dynamic hydrological discharge modelling for coupled climate model simulations of the last glacial cycle: the MPI-DynamicHD model version 3.0

Thomas Riddick, Victor Brovkin, Stefan Hagemann, and Uwe Mikolajewicz

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Cited articles

Alkama, R., Kageyama, M., Ramstein, G., Marti, O., Ribstein, P., and Swingedouw, D.: Impact of a realistic river routing in coupled ocean–atmosphere simulations of the Last Glacial Maximum climate, Clim. Dynam., 30, 855–869, https://doi.org/10.1007/s00382-007-0330-1, 2008.
Argus, D. F., Peltier, W. R., Drummond, R., and Moore, A. W.: The Antarctica component of postglacial rebound model ICE-6G_C (VM5a) based on GPS positioning, exposure age dating of ice thicknesses, and relative sea level histories, Geophys. J. Int., 198, 537–563, https://doi.org/10.1093/gji/ggu140, 2014.
Bahadory, T. and Tarasov, L.: LCice 1.0 – a generalized Ice Sheet System Model coupler for LOVECLIM version 1.3: description, sensitivities, and validation with the Glacial Systems Model (GSM version D2017.aug17), Geosci. Model Dev., 11, 3883–3902, https://doi.org/10.5194/gmd-11-3883-2018, 2018.
Barnes, R., Lehman, C., and Mulla, D.: Priority-flood: An optimal depression-filling and watershed-labeling algorithm for digital elevation models, Comput. Geosci., 62, 117–127, 2014.
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Short summary
During the Last Glacial Maximum, many rivers were blocked by the presence of large ice sheets and thus found new routes to the sea. This resulted in changes in the pattern of freshwater discharge into the oceans and thus would have significantly affected ocean circulation. Also, rivers found routes across the vast exposed continental shelves to the lower coastlines of that time. We propose a model for such changes in river routing suitable for use in wider models of the last glacial cycle.
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