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| Titel |
Climate-human-environment interactions: resolving our past |
| VerfasserIn |
J. A. Dearing |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1814-9324
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| Digitales Dokument |
URL |
| Erschienen |
In: Climate of the Past ; 2, no. 2 ; Nr. 2, no. 2 (2006-11-21), S.187-203 |
| Datensatznummer |
250000503
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| Publikation (Nr.) |
 copernicus.org/cp-2-187-2006.pdf |
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| Zusammenfassung |
| The paper reviews how we can learn from the past about
climate-human-environment interactions at the present time, and in the future. It focuses
on data sources for environmental change at local/regional and
regional/global spatial scales, and shows the scope and limitations of each.
It reviews alternative methods for learning from the past, including the
increasing use of simulation models. The use of multiple records
(observational, palaeoenvironmental, archaeological, documentary) in local
case-studies is exemplified in a study from China, where independent records
help unravel the complexity of interactions and provide a basis for assessing
the resilience and sustainability of the landscape system. Holocene global
records for Natural Forcings (e.g. climate and tectonics), Human Society and
Ecosystems are reviewed, and the problems of reconstructing global records of
processes that are only recorded at local scales examined. Existing
regional/global records are used to speculate about the veracity of
anthropogenic forcing of global climate, with specific consideration of the
Ruddiman theory. The paper concludes that a full understanding of causes of
earth system change through (at least) the Holocene can come only through the
most rigorous reconstructions of climate, human activities and earth
processes, and importantly their interactions, at all locations and at all
scales. It follows that we need to promote inter-scale learning:
regionalisation and generalisation of existing data would be useful first
steps. There is now a need to develop long-term simulation models that can
help anticipate complex ecosystem behaviour and environmental processes in
the face of global environmental change – and resolving our past is an
essential element in that endeavour. |
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