Journal
JOURNAL OF QUATERNARY SCIENCE
Volume 25, Issue 4, Pages 399-418Publisher
WILEY
DOI: 10.1002/jqs.1389
Keywords
climate forcing; soils and shallow marine systems (SSMS); major river systems (MRS); glacial/interglacial cycles (GIC); Holocene and human activity (HHA)
Funding
- Natural Environment Research Council [bgs05001, NE/C509158/1] Funding Source: researchfish
- NERC [bgs05001] Funding Source: UKRI
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This paper considers the processes that have controlled cool temperate latitude terrestrial environments over the last ca 3 Ma, with particular reference to the British Isles. A scheme is proposed that is based on the processes that act on the land over any given period of time and are the product of climate modulated by rock type (the resisting agent) and relief (determined by tectonics and antecedent relief-forming factors). Climate is generalised in terms of the range and rates of climate change determined by orbital forcing. During precession cycles climate change was small and insolation levels were forced by chemically and biologically driven processes. The period of obliquity cycles is characterised by patterns of climate change in which physical processes became effective and high-magnitude fluvial and slope processes were reinforced by periglaciation and glaciation in susceptible regions. Eccentricity cycles include climate extremes of longer duration, and glaciation and periglaciation were the major contributors to landscape change, sediment transfer and sediment mixing. These climate-forced processes produce distinctive landform, sediment and soil assemblages characteristic of particular episodes of Quaternary time. The lags between the successive systems are identified. Copyright (C) 2010 John Wiley & Sons, Ltd.
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