Lessons learned from IPCC AR4: Scientific developments needed to understand, predict and respond to climate change

Doherty, Sarah J.; Bojinski, Stephan; Henderson-Sellers, Ann; Noone, Kevin; Goodrich, David; Bindoff, Nathaniel L.; Church, John A.; Hibbard, Kathy A.; Karl, Thomas R.; Kajfez-Bogataj, Lucka; Lynch, Amanda H.; Parker, David E.; Prentice, I. Colin; Ramaswamy, Venkatachalam; Saunders, Roger W.; Stafford Smith, Mark; Steffen, Konrad; Stocker, Thomas F.; Thorne, Peter W.; Trenberth, Kevin E.; ... (2009). Lessons learned from IPCC AR4: Scientific developments needed to understand, predict and respond to climate change. Bulletin of the American Meteorological Society, 90(4), pp. 497-513. Boston, Mass.: American Meteorological Society 10.1175/2008BAMS2643.1

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The Fourth Assessment Report (AR4) of the Intergovernmental Panel on Climate Change (IPCC) concluded that global warming is “unequivocal” and that most of the observed increase since the mid-twentieth century is very likely due to the increase in anthropogenic greenhouse gas concentrations, with discernible human influences on ocean warming, continental-average temperatures, temperature extremes, wind patterns, and other physical and biological indicators, impacting both socioeconomic and ecological systems. It is now clear that we are committed to some level of global climate change, and it is imperative that this be considered when planning future climate research and observational strategies. The Global Climate Observing System program (GCOS), the World Climate Research Programme (WCRP), and the International Geosphere-Biosphere Programme (IGBP) therefore initiated a process to summarize the lessons learned through AR4 Working Groups I and II and to identify a set of high-priority modeling and observational needs. Two classes of recommendations emerged. First is the need to improve climate models, observational and climate monitoring systems, and our understanding of key processes. Second, the framework for climate research and observations must be extended to document impacts and to guide adaptation and mitigation efforts. Research and observational strategies specifically aimed at improving our ability to predict and understand impacts, adaptive capacity, and societal and ecosystem vulnerabilities will serve both purposes and are the subject of the specific recommendations made in this paper.

Item Type:

Journal Article (Review Article)

Division/Institute:

08 Faculty of Science > Physics Institute > Climate and Environmental Physics
08 Faculty of Science > Physics Institute

UniBE Contributor:

Stocker, Thomas

Subjects:

500 Science > 530 Physics

ISSN:

0003-0007

Publisher:

American Meteorological Society

Language:

English

Submitter:

Factscience Import

Date Deposited:

04 Oct 2013 15:23

Last Modified:

25 Aug 2021 11:52

Publisher DOI:

10.1175/2008BAMS2643.1

Web of Science ID:

000266035100009

BORIS DOI:

10.48350/37516

URI:

https://boris.unibe.ch/id/eprint/37516 (FactScience: 208789)

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