Potential effects of climate change and rising CO2 on ecosystem processes in northeastern U.S. forests

S V Ollinger, C L Goodale, Katharine Hayhoe, J P Jenkins

Research output: Contribution to journalArticle

Abstract

Forest ecosystems represent the dominant form of land cover in the northeastern United States and are heavily relied upon by the region’s residents as a source of fuel, fiber, structural materials, clean water, economic vitality, and recreational opportunities. Although predicted changes in climate have important implications for a number of ecosystem processes, our present understanding of their long-term effects is poor. In this study, we used the PnET-CN model of forest carbon (C), nitrogen (N) and water cycling to evaluate the effects of predicted changes in climate and atmospheric carbon dioxide (CO2) on forest growth, C exchange, water runoff, and nitrate () leaching at five forest research sites across the northeastern U.S. We used four sets of statistically downscaled climate predictions from two general circulation models (the Hadley Centre Coupled Model, version 3 and the Parallel Climate Model) and two scenarios of future CO2 concentrations. A series of model experiments wa
Original languageEnglish
Pages (from-to)467-485
JournalMitigation and Adaptation Strategies for Global Change
StatePublished - Sep 26 2007

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