Detection and attribution of observed impacts

W. Cramer, G.W. Yohe, M. Auffhammer, C. Huggel, U. Molau, M.A.F.S. Dias, R. Leemans

Research output: Chapter in Book/Report/Conference proceedingChapter

84 Citations (Scopus)

Abstract

This chapter synthesizes the scientific literature on the detection and attribution of observed changes in natural and human systems in response to observed recent climate change. For policy makers and the public, detection and attribution of observed impacts will be a key element to determine the necessity and degree of mitigation and adaptation efforts. For most natural and essentially all human systems, climate is only one of many drivers that cause change—other factors such as technological innovation, social and demographic changes, and environmental degradation frequently play an important role as well. Careful accounting of the importance of these and other confounding factors is therefore an important part of the analysis.

At any given location, observed recent climate change has happened as a result of a combination of natural, longer term fluctuations and anthropogenic alteration of forcings. To inform about the sensitivity of natural and human systems to ongoing climate change, the chapter assesses the degree to which detected changes in such systems can be attributed to all aspects of recent climate change. For the development of adaptation policies, it is less important whether the observed changes have been caused by anthropogenic climate change or by natural climate fluctuations. Where possible, the relative importance of anthropogenic drivers of climate change is assessed as well.
Original languageEnglish
Title of host publicationClimate Climate Change 2014 : Impacts, Adaptation, and Vulnerability
EditorsC.B. Field, V.R. Barros, D.J. Dokken, K.J. Mach, M.D. Mastrandrea, T.E. Bilir, M. Chatterjee, K.L. Ebi, Y.O. Estrada, R.C. Genova, B. Girma, E.S. Kissel, A.N. Levy, S. MacCracken, P.R. Mastrandrea, L.L. White
Place of PublicationCambridge, United Kingdom and New York, NY, USA
PublisherCambridge University Press
Pages979-1038
ISBN (Print)9781107058071
DOIs
Publication statusPublished - 2014

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