Fluvial geomorphology of north-west England

Harvey, A. M.

doi:10.1007/978-94-011-5816-9_4

Cited by 8 publications

(6 citation statements)

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“…1). Much research has taken place on the Dane, the first of a series of papers being by Hooke and Harvey (1983), and the site is designated as an SSSI (Site of Special Scientific Interest) in Britain for its fluvial geomorphology (Harvey, 1997). Previous research has shown that the course of the Dane in this location is highly mobile, with the sequence of changes analysed from historical maps and aerial photographs (Hooke and Harvey, 1983;Hooke, 1987;Hooke et al, 1990).…”

Section: Study Area and Backgroundmentioning

confidence: 99%

Temporal variations in fluvial processes on an active meandering river over a 20-year period

Hooke

2008

Geomorphology

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Section: Study Area and Backgroundmentioning

confidence: 99%

Temporal variations in fluvial processes on an active meandering river over a 20-year period

Hooke

2008

Geomorphology

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“…These fluvial systems are commonly associated with elevated areas such as uplands and mountains (e.g. Miall, ; Harvey, ) (see Figure ). Furthermore, these animals resided in adjacent areas along the flanks of mountains such as the Appalachians (e.g.…”

Section: Discussionmentioning

confidence: 99%

First Palaeozoic arachnid from Portugal and implications for Carboniferous palaeobiogeography

et al. 2012

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The first occurrence of arachnids (Aphantomartus pustulatus) in the Carboniferous strata of Portugal is documented and its palaeobiogeographic significance is assessed. The Aphantomartidae species are thought to be native to Central Europe where its oldest example is recorded in Middle–Upper Mississippian strata. Known occurrences are preserved along the flanks of mountains such as the Appalachian Mountains, the Cantabrian Mountains and the Valongo Anticline (Portugal, Iberian Massif) and provide clear evidence that the Aphantomartidae species probably lived in upland or mountainous environments. The Iberian Massif may have served as a ‘link’ between the migration routes of several terrestrial animals from North America and Eurasia, and this linkage constrains the palaeogeographic and palaeoenvironmental conditions in equatorial Pangaea during the Carboniferous and Early Permian. Copyright © 2012 John Wiley & Sons, Ltd.

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“…Glacial ice only descended to altitudes below 400 m asl where small outlet glaciers were fed from plateau icefields (McDougall, 2013), the extents of which remain controversial (Bickerdike et al, 2018). In this respect, Harvey (1997) noted that there was no evidence of ice readvance in the west facing Carlingill, neighbouring Great Coum.…”

Section: An Ice Advance During the Younger Dryas?mentioning

confidence: 99%

Ice buttressing-controlled rock slope failure on a cirque headwall, English Lake District

Carling

Jansen

et al. 2023

Preprint

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Abstract. Rock slope failures in the English Lake District have been associated with deglacial processes after the Last Glacial Maximum, but controls and timing of failures remain poorly known. A cirque headwall failure was investigated to determine failure mechanisms and timing. The translated wedge of rock is thin and lies on a steep failure plane, yet the friable strata were not disrupted by downslope movement. Fault lines and a failure surface, defining the wedge, were used as input to a numerical model of rock wedge stability. Various failure scenarios indicated that the slope would have failed catastrophically, if not supported by glacial ice in the base of the cirque. The amount of ice required to buttress the slope is insubstantial, indicating likely failure during thinning of the cirque glacier. We propose that, as the ice thinned, the wedge was lowered slowly down the cirque headwall gradually exposing the failure plane. A cosmogenic 10Be surface exposure age of 18.0 ± 1.2 ka from the outer surface of the wedge indicates Late Devensian de-icing of the back wall of the cirque, with a second exposure age from the upper portion of the failure plane yielding 12.0 ± 0.8 ka. The 18.0 ± 1.2 ka date is consistent with a small buttressing ice mass being present in the cirque at the time of regional deglaciation. The exposure age of 12.0 ± 0.8 ka represents a minimum age, as the highly-fractured surface of the failure plane has experienced post-failure mass-wasting. Considering the dates, it appears unlikely that the cirque was re-occupied by a substantial ice mass during the Younger Dryas Stadial.

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Fluvial geomorphology of north-west England

Cited by 8 publications

References 0 publications

Temporal variations in fluvial processes on an active meandering river over a 20-year period

Temporal variations in fluvial processes on an active meandering river over a 20-year period

First Palaeozoic arachnid from Portugal and implications for Carboniferous palaeobiogeography

Ice buttressing-controlled rock slope failure on a cirque headwall, English Lake District

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