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Hibbard K.,U.S. National Center for Atmospheric Research | Janetos A.,Pacific Northwest National Laboratory | Van Vuuren D.P.,Netherlands Environment Assessment Agency | Pongratz J.,Carnegie Institution of Washington | And 4 more authors.
International Journal of Climatology | Year: 2010

This special issue has highlighted recent and innovative methods and results that integrate observations and modelling analyses of regional to global aspect of biophysical and biogeochemical interactions of land-cover change with the climate system. Both the Earth System and the Integrated Assessment modeling communities recognize the importance of an accurate representation of land use and land-cover change to understand and quantify the interactions and feedbacks with the climate and socio-economic systems, respectively. To date, cooperation between these communities has been limited. Based on common interests, this work discusses research priorities in representing land use and land-cover change for improved collaboration across modelling, observing and measurement communities. Major research topics in land use and land-cover change are those that help us better understand (1) the interaction of land use and land cover with the climate system (e.g. carbon cycle feedbacks), (2) the provision of goods and ecosystem services by terrestrial (natural and anthropogenic) land-cover types (e.g. food production), (3) land use and management decisions and (4) opportunities and limitations for managing climate change (for both mitigation and adaptation strategies). Copyright © 2010 Royal Meteorological Society and Crown Copyright.

Dornburg V.,University Utrecht | Van Vuuren D.,Netherlands Environment Assessment Agency | Van De Ven G.,Wageningen University | Langeveld H.,Wageningen University | And 11 more authors.
Energy and Environmental Science | Year: 2010

The growing use of bioenergy goes hand in hand with a heated public debate, in which conflicting claims are made regarding the amount of biomass that can be sustainably used for this purpose. This article assesses the current knowledge on biomass resource potentials and interrelated factors such as water availability, biodiversity, food demand, energy demand and agricultural commodity markets. A sensitivity analysis of the available information narrows the range of biomass potentials from 0-1500 EJ/yr to approximately 200-500 EJ/yr in 2050. In determining the latter range, water limitations, biodiversity protection and food demand are taken into consideration. Key factors are agricultural efficiency and crop choice. In principle, global biomass potentials could meet up to one third of the projected global energy demand in 2050. © 2010 The Royal Society of Chemistry.

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