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Modelling prehistoric land use and carbon budgets: a critical review

Modelling prehistoric land use and carbon budgets: a critical review
Modelling prehistoric land use and carbon budgets: a critical review
An evaluation of modelled estimates for C release following early land clearance at the global level based on new model assumptions suggests that earlier studies may have underestimated its magnitude, chiefly because of underestimation of the mid-Holocene global population. Alternative information sources for population and land utilisation support both a greater total CO2 release and a greater Neolithic contribution. Indeed, we show that the quantity of terrestrial C release due to early farming, even using the most conservative assumptions, greatly exceeds the net terrestrial C release estimated by inverse modelling of ice core data by Elsig et al. (Elsig J, Schmitt J, Leuenberger D, Schneider R, Eyer M, Leuenberger M et al. (2009) Stable isotope constraints on Holocene carbon cycle changes from an Antarctic ice core. Nature 461: 507–510), though uncertainty about pastglobal population estimates precludes calculation of a precise value.
0959-6836
Boyle, J.F.
1148a73e-ce47-41d8-9dc2-3bc88537cbea
Gaillard, M.-J.
4ac1a405-ff79-4a85-921f-4952a959a6d7
Kaplan, J.O.
37747398-5c5c-48c0-a13a-63bb065626fe
Dearing, J.A.
dff37300-b8a6-4406-ad84-89aa01de03d7
Boyle, J.F.
1148a73e-ce47-41d8-9dc2-3bc88537cbea
Gaillard, M.-J.
4ac1a405-ff79-4a85-921f-4952a959a6d7
Kaplan, J.O.
37747398-5c5c-48c0-a13a-63bb065626fe
Dearing, J.A.
dff37300-b8a6-4406-ad84-89aa01de03d7

Boyle, J.F., Gaillard, M.-J., Kaplan, J.O. and Dearing, J.A. (2011) Modelling prehistoric land use and carbon budgets: a critical review. The Holocene. (doi:10.1177/0959683610386984).

Record type: Article

Abstract

An evaluation of modelled estimates for C release following early land clearance at the global level based on new model assumptions suggests that earlier studies may have underestimated its magnitude, chiefly because of underestimation of the mid-Holocene global population. Alternative information sources for population and land utilisation support both a greater total CO2 release and a greater Neolithic contribution. Indeed, we show that the quantity of terrestrial C release due to early farming, even using the most conservative assumptions, greatly exceeds the net terrestrial C release estimated by inverse modelling of ice core data by Elsig et al. (Elsig J, Schmitt J, Leuenberger D, Schneider R, Eyer M, Leuenberger M et al. (2009) Stable isotope constraints on Holocene carbon cycle changes from an Antarctic ice core. Nature 461: 507–510), though uncertainty about pastglobal population estimates precludes calculation of a precise value.

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Published date: February 2011

Identifiers

Local EPrints ID: 193677
URI: https://eprints.soton.ac.uk/id/eprint/193677
ISSN: 0959-6836
PURE UUID: 517521ef-9fc7-4522-8943-54566ed59e6b
ORCID for J.A. Dearing: ORCID iD orcid.org/0000-0002-1466-9640

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Date deposited: 19 Jul 2011 07:24
Last modified: 06 Jun 2018 12:44

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