Fundamentals of climate change science

I. Colin Prentice, Peter G. Baines, Marko Scholze, Martin J. Wooster

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

4 Citations (Scopus)

Abstract

This chapter provides a high-level summary of the state of knowledge regarding observations, processes and models of climate, terrestrial ecosystems and the global carbon cycle. We focus strongly on observations (at various timescales, including palaeo timescales as appropriate), and what can be learned from their interpretation in the light of the established principles of climate science and terrestrial ecosystem science. The field is very broad and therefore we have had to be highly selective. We discuss aspects pertinent to understanding recent and contemporary changes in climate and the global carbon cycle, with emphasis on the terrestrial component. Observing and studying climate. Background and history of climate science. Like the weather, everyone has an interest in climate and knows something about it. Climate is generally understood as average weather. By definition, climate cannot change from year to year; but it can (and does) change over decades and centuries. Until the 1970s, the study of climate was largely descriptive. The data were concentrated in certain regions, and often anecdotal. Nonetheless, as Lamb (1982) and others described, these data already showed the existence of a great deal of variability in climate on many timescales, and that this variability has had a pervasive impact on human societies. Climate also has a dominant effect on ecosystems. The patterns of terrestrial biomes, from dense tropical forests to high-latitude and mountain tundra and deserts, reflect spatial patterns of average temperature and rainfall and show that climate has had a profound role in shaping the ecology and evolution of land plants. Relationships between vegetation and climate formed the basis for Köppens (1918) classification of world climates, which allowed climate to be inferred from vegetation at a time when direct climate observations were sparse.

Original languageEnglish
Title of host publicationUnderstanding the Earth System
Subtitle of host publicationGlobal Change Science for Application
EditorsSarah E. Cornell, I. Colin Prentice, Joanna I. House, Catherine J. Downy
Place of PublicationCambridge
PublisherCambridge University Press
Pages39-71
Number of pages33
ISBN (Electronic)9780511921155
ISBN (Print)9781107009363
DOIs
Publication statusPublished - 1 Jan 2009

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