CR 40:121-131 (2009)  -  doi:10.3354/cr00832

Crossing thresholds in regional climate research: synthesis of the IPCC expert meeting on regional impacts, adaptation, vulnerability, and mitigation

Neil Leary1,*, Kristen Averyt2, Bruce Hewitson3, Jose Marengo4

1Dickinson College, PO Box 1773, Carlisle, Pennsylvania 17013, USA
2University of Colorado at Boulder, NOAA-Western Water Assessment, Earth System Research Laboratory, 325 Broadway, Boulder, Colorado 80305, USA
3University of Cape Town, Private Bag X3, Rondebosch 7701, South Africa
4CPTEC/INPE, Rodovia Dutra km 40, 12630 000 Cachoeira Paulista, São Paulo, Brazil

ABSTRACT: Contributions of regional scale climate change research to the management of climate risks were explored at a meeting of researchers, policymakers, and practitioners in June 2007 (convened by the Task Group on Data and Scenario Support for Impact and Climate Analysis of the Intergovernmental Panel on Climate Change). Although existing knowledge is already being used to inform a wide variety of decisions in multiple contexts, there remain significant knowledge gaps that hamper effective climate-risk management, particularly at the interfaces of different spatial and temporal scales of analysis and cross-system interactions. In this Introduction we synthesize discussions of such knowledge gaps, and highlight recommendations for user-oriented research that produces and communicates information that is credible, defensible, and actionable for climate-risk management.


KEY WORDS: Climate change · TGICA · Risk management


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Cite this article as: Leary N, Averyt K, Hewitson B, Marengo J (2009) Crossing thresholds in regional climate research: synthesis of the IPCC expert meeting on regional impacts, adaptation, vulnerability, and mitigation. Clim Res 40:121-131

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