Servicio de Información Comunitario sobre Investigación y Desarrollo - CORDIS

FP5

CAMELS Informe resumido

Project ID: EVK2-CT-2002-00151
Financiado con arreglo a: FP5-EESD
País: United Kingdom

D3.2 Simulations of the historical land carbon balance, with and without land-use change

The study presents analysis of carbon cycle over last century. Anthropogenic land cover changes during the last millennium played an important and complex role in climate change. The MOSES model (Met Office Surface Exchange Scheme) was used to simulate the sinks and sources of carbon over the global land surfaces. Taking observed and reconstructed changes in climate, CO2 concentrations and land use as inputs, MOSES simulated biological processes in the vegetation across the different continents and produced estimates of local uptakes and release of carbon in response to the imposed environmental changes. The temporal pattern of net carbon exchange simulated by the models is primarily associated with the relative effects of rising of CO2 and land use changes. The global releases associated with land use generally track the releases simulated by the bookkeeping models of Haughton [2003] and where there is variation in the magnitude of increase. In Summary, the results presented here are consistent with the atmospheric data and provide a partitioning of total terrestrial carbon exchange. It has shown that the carbon exchange at the tropical regions compensated by carbon storage at high latitudes.

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