Articles | Volume 10, issue 9
https://doi.org/10.5194/gmd-10-3481-2017
https://doi.org/10.5194/gmd-10-3481-2017
Development and technical paper
 | 
22 Sep 2017
Development and technical paper |  | 22 Sep 2017

An improved land biosphere module for use in the DCESS Earth system model (version 1.1) with application to the last glacial termination

Roland Eichinger, Gary Shaffer, Nelson Albarrán, Maisa Rojas, and Fabrice Lambert

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Cited articles

Adams, J. M., Faure, H., Faure-Denard, L., McGlade, J. M., and Woodward, F. I.: Increase in terrestrial carbon storage from the Last Glacial Maximum to the present, Nature, 348, 711–714, https://doi.org/10.1038/348711a0, 1990.
Adkins, J. F. and Schrag, D. P.: Reconstructing Last Glacial Maximum bottom water salinities from deep-sea sediment pore fluid profiles, Earth Planet. Sc. Lett., 16, 109–123, https://doi.org/10.1016/S0012-821X(03)00502-8, 2002.
Adkins, J. F., McIntyre, K., and Schrag, D. P.: The Salinity, Temperature, and δ18O of the Glacial Deep Ocean, Science, 298, 1769–1773, https://doi.org/10.1038/35038000, 2002.
Anderson, R. F., Ali, S., Bradtmiller, L., Nielsen, S. H. H., Fleisher, M. Q., Anderson, B. E., and Buckle, L. H.: Wind-Driven Upwelling in the Southern Ocean and the Deglacial Rise in Atmospheric CO2, Science, 323, 1443–1448, https://doi.org/10.1126/science.1167441, 2009.
Annan, J. D. and Hargreaves, J. C.: A new global reconstruction of temperature changes at the Last Glacial Maximum, Clim. Past, 9, 367–376, https://doi.org/10.5194/cp-9-367-2013, 2013.
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Short summary
We reformulate the land biosphere of the reduced-complexity DCESS model by introducing three vegetation types and relating their latitudinal borders to global temperature change. This enhancement yields more realistic estimates of biosphere carbon cycling for cold conditions like the Last Glacial Maximum. As a first application we conduct transient simulations across the last glacial termination to estimate the importance of different processes on temperature, pCO2 and carbon isotope ratios.
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