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The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by Strathclyde researchers, including by researchers from the Physical Activity for Health Group based within the School of Psychological Sciences & Health. Research here seeks to better understand how and why physical activity improves health, gain a better understanding of the amount, intensity, and type of physical activity needed for health benefits, and evaluate the effect of interventions to promote physical activity.

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A plausible hydrological scenario for the Bolling-Allerod atmospheric methane increase

Kalin, R.M. and Jirikowic, J.L. (1996) A plausible hydrological scenario for the Bolling-Allerod atmospheric methane increase. Holocene, 6 (1). pp. 111-118.

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Abstract

The glacial record has shown that atmospheric methane concentrations have fluctuated in the past, particularly during the Bolling-Allerod interstadial. We used an inverse photochemical carbon-cycle model to interpret the magnitude of effect that glacial-interglacial atmospheric methane variations have on the global carbon cycle. The results of this modelling suggest that an observed variation in atmospheric C-14 during this time period may be the result of oxidation of the increased atmospheric methane. We re-examine methane clathrate in palaeosols as a potential source of the methane, and the influence of deglaciation and subsequent heat transport from advecting groundwater in these sediments may be a plausible mechanism by which atmospheric CH4 concentrations abruptly increased during the Bolling-Allerod.