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Showing content from https://doi.org/10.5194/bg-11-635-2014 below:

Climate and atmospheric drivers of historical terrestrial carbon uptake in the province of British Columbia, Canada

Research article

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05 Feb 2014

Research article |

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The impacts of climate change and increasing atmospheric CO₂ concentration on the terrestrial uptake of carbon dioxide since 1860 in the Canadian province of British Columbia are estimated using the process-based Canadian Terrestrial Ecosystem Model (CTEM). Model simulations show that these two factors yield an enhanced carbon uptake of around 44 gC m^−2 yr^−1 (or equivalently 63 gC m^−2 yr^−1 over the province's forested area), during the 1980s and 1990s, and continuing into the 2000s. About three-quarters of the simulated sink enhancement in our study compared to pre-industrial conditions is attributed to changing climate, and the rest is attributed to increase in CO₂ concentration. The model response to changing climate and increasing CO₂ is corroborated by comparing simulated stem wood growth rates with ground-based measurements from inventory plots in coastal British Columbia. The simulated sink is not an estimate of the net carbon balance because the effects of harvesting, insect disturbances and land-use change are not considered.

Please read the corrigendum first before accessing the article.

Received: 08 Jul 2013 – Discussion started: 16 Aug 2013 – Revised: 06 Dec 2013 – Accepted: 18 Dec 2013 – Published: 05 Feb 2014

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