Zobrazeno 41 - 50
of 288
pro vyhledávání: '"K, Ballantyne"'
Autor:
Colin K. Ballantyne
A FASCINATING AND INFORMATIVE EXPLORATION OF PERIGLACIAL PROCESSES, PAST AND PRESENT, AND THEIR ROLE IN LANDSCAPE EVOLUTION Periglacial Geomorphology presents a comprehensive introduction to the processes that operate in present periglacial environme
Publikováno v:
Quaternary Science Reviews. 86:144-157
This work is supported by the Carnegie Trust for the Universities of Scotland and the UK Natural Environment Research Council Cosmogenic Isotope Facility (NERC-CIAF project 9046-0308) The ages of 31 postglacial rock-slope failures (RSFs) in Scotland
Autor:
Colm Ó Cofaigh, Colin K. Ballantyne
Publikováno v:
Advances in Irish Quaternary Studies ISBN: 9789462392182
Radiocarbon ages on sub-till organic material suggest that Ireland was largely ice-free until ~32 ka, after which the last Irish Ice Sheet (IIS) thickened to cover all mountain summits. Offshore moraines and related evidence indicate that the IIS ext
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::43701c0c0d23250d930164a6d0f47d70
https://doi.org/10.2991/978-94-6239-219-9_5
https://doi.org/10.2991/978-94-6239-219-9_5
Publikováno v:
Earth Surface Processes and Landforms. 39:900-913
This research was supported by NERC Cosmogenic Isotope Analysis Facility [Grant Number: 9046.0308]
Autor:
Colin K. Ballantyne, Charles Hopkinson
Publikováno v:
Scottish Geographical Journal. 130:116-141
Numerous researchers have proposed that blockfields on mid-latitude plateaux are frost-modified relicts formed initially by chemical weathering under warm, humid pre-Quaternary (Neogene) conditions. Others contend that they formed mainly by frost act
Autor:
Colin K. Ballantyne
Publikováno v:
Scottish Geographical Journal. 129:67-84
Recent dating of catastrophic rock-slope failures (RSFs) in the Scottish Highlands has confirmed that many occurred in the millennium following deglaciation. This implies that numerous Lateglacial RSFs occurred in the interval between ice-sheet degla
Publikováno v:
Journal of Quaternary Science. 28:412-420
During the last glacial maximum, the Galloway Hills in southwest Scotland acted as a major centre of ice dispersion within the last British–Irish Ice Sheet (BIIS). Six new or recalibrated 10Be exposure ages for samples obtained from boulders near t
Autor:
John O. Stone, Colin K. Ballantyne
Publikováno v:
Geomorphology. 186:150-161
Many formerly-glaciated mountains exhibit a high density of postglacial rock-slope failures (RSFs) in the form of rockslides, rock avalanches or deep-seated gravitational slope deformations. Such RSFs are often termed ‘paraglacial’ as they reflec
Autor:
David J.A. Evans, Colin K. Ballantyne, Richard C. Chiverrell, I. M. Thrasher, Colm Ó Cofaigh, Katrien J.J. Van Landeghem, Danny McCarroll, James D. Scourse, Chris D. Clark, Geoffrey S. P. Thomas, Andreas Lang
Publikováno v:
Journal of Quaternary Science. 28:200-209
We present an 8000-year history spanning 650km of ice margin retreat for the largest marine- terminating ice stream draining the former British-Irish Ice Sheet. Bayesian modelling of the geochronological data shows the ISIS expanded 34.0-25.3ka, acce
Autor:
Colin K. Ballantyne
Publikováno v:
Permafrost and Periglacial Processes. 24:56-66
Eight segmented PVC columns (Rudberg pillars) inserted vertically in the treads of three vegetation-covered (‘turf-banked’) solifluction lobes at altitudes of 912–1031 m in the Fannich Mountains of NW Scotland were exhumed 35 years after insert