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QRA50: Top 50 UK Quaternary Sites Nomination Form As part of the 50th year celebrations of the QRA, it seems fitting to highlight some of the key sites and localities fundamental to our understanding of the Quaternary landscape around us. Over 2014, we are looking to compile a list of the 50 most significant Quaternary sites within the UK as nominated by you, the QRA community. These top 50 sites will be published at the end of the year in the form of a QRA50 full colour booklet and ultimately as a web based resource available through the QRA web site. Please submit your nomination using the following form either in the nomination box at the ADM, by post to (QRA50 c/o Dr Emrys Phillips, British Geological Survey, Murchison House, West Mains Road, Edinburgh, EH9 3LA) or by email to Barbara Silva (Outreach Officer) - pollenbird@hotmail.com. Any Quaternary site within Britain is eligible and you are welcome to submit more than one site if you have several favourites. Submissions should be accompanied by a photo if possible including any credits. Please provide the following details in support of your nomination: Nominator Address: Email address Site Name Grid Reference Photo title and credits Site description (no more than 250 words including references
THEME 1: CAUSES OF CLIMATE CHANGE Towards a unified theory of Quaternary climate variability: the Heroic Age and the modern synthesis Chronis Tzedakis Department of Geography, University College London, London The Heroic Age of Palaeoclimate Research saw the accumulation of an extensive body of evidence on the nature of Middle and Late Pleistocene changes in the Earth System and verification of the central tenet of the Milankovitch theory that astronomically-driven variations in insolation cause changes in global climate. An important further development was the realization of the extreme and pervasive nature of millennial-scale climate variability, especially during intervals of increased ice volume. Although important questions still remain (e.g. the origin of the 100-kyr cycles), significant new strides towards a unified theory of glacial-interglacial cycles have been achieved in recent years. Thus classical astronomical theory has been supplemented by a growing recognition of the role of CO 2 in glacial-interglacial changes and the abrupt rather than slow nature of climate transitions especially at glacial terminations, implying that the interaction of orbital and millennial-scale may be an additional driver promoting deglaciation. More specifically, while astronomical forcing dictates the broad timing of interglacials, the actual mechanisms controlling glacial terminations may be related to the critical size of ice sheets and bipolar-seesaw variability and its influence on CO 2 concentrations combined with ice-albedo and dust feedbacks. For glacial inceptions, astronomical forcing reducing the amount of summer insolation is considered the primary trigger, with CO 2 playing a secondary role along with a number of feedbacks and mechanisms. However, the overall duration of an interglacial appears to be related to the phasing of astronomical parameters and history of insolation, rather than its instantaneous forcing value at inception. This emerging synthesis is very much dominated by a ‘100-kyr world’ perspective, but the strong non-linearity of the climate-cryosphere system during this period means that it is unrepresentative of most of the glaciated part of the Cainozoic, where 41-kyr cycles prevail. The Early Pleistocene of smaller ice sheets and reduced non-linearity provides a more appropriate testbed for understanding the response of the climate system to orbital forcing, but we still remain in relative ignorance over the character of orbital- and millennial-scale variability and their interaction during this period. Any theory of ice ages remains incomplete if it does not include an adequate description and understanding of the ‘41-kyr world’ and the transition into the ‘100-kyr world’. Key words: climate variability; orbital; millennial; heroic age; modern synthesis
Page 1: QRA@50: Quaternary Revolutions QRA
Page 6 and 7: Conference Programme Wednesday 8th
Page 8 and 9: General Notes Exhibitors A small nu
Page 12 and 13: THEME 1: CAUSES OF CLIMATE CHANGE C
Page 14 and 15: THEME 2: MEASURING TIME Radiocarbon
Page 16 and 17: THEME 3: MEASURING AND UNDERSTANDIN
Page 18 and 19: THEME 4: MODELLING THE EARTH SYSTEM
Page 20 and 21: modeling context, or in the context
Page 22 and 23: THEME 5: ICE SHEET DYNAMICS Time, t
Page 24 and 25: THEME 7: THE OCEANS The Oceans, CO
Page 26 and 27: THEME 8: TERRESTRIAL STRATIGRAPHY A
Page 28 and 29: THEME 9: PALAEOECOLOGY Conservation
Page 30 and 31: THEME 9: PALAEOECOLOGY Beetles, bon
Page 32 and 33: THEME 10: HUMAN ORIGINS, ENVIRONMEN
Page 34 and 35: THEME 11: INSIGHTS FROM GENETICS In
Page 36: Van Walt m onitoring your needs Del
Page 41 and 42: T2 TRACEing Tephra Horizons in Nort
Page 43 and 44: T5 The Hebrides Ice Stream (HIS) an
Page 45 and 46: T9 Formation and Cultural Use of We
Page 47 and 48: T3 Glacier-based climate reconstruc
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Page 51 and 52: T6 First recorded evidence of subaq
Page 53 and 54: T2 Towards a Greenland tephra latti
Page 55 and 56: T5 BRITICE-CHRONO Transect 8: const
Page 57 and 58: T8 Pleistocene landscape change at
Page 59 and 60: T10 Advances in geoconservation: fu
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T7 ARAMACC: Advancing the use of an
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T5 BRITICE-CHRONO Transect 3: const
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T5 BRITICE-CHRONO: Constraining rat
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T2 Tracing and constraining key tep
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T2 Testing the potential of OSL to
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T5 Reconstruction of ice-sheet chan
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T3 Spatial and temporal variability
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T5 Glacial geomorphology of the Inn
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T2 Revolution and evolution: 35 yea
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T5 BRITICE-CHRONO, Transect 2: cons
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T2 Improving surface exposure ages
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T5 Geomorphology and dynamics of th
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T9 The Anthropogenic Element in the
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Fraser, W.T., Watson, J.S., Sephton
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T10 Human-environment-climate inter
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T9 Island Evolution: a ‘front-lin
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T5 Modelling the water isotope resp
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T9 Biome dynamics in the Ohrid Basi
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T5 The Moffatdale RSF cluster, Sout
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T11 Combining palynology and ecolog
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Figure 1: The palm swamp forest at
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T3 SCOPSCO Lake Ohrid deep drilling
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δ 18 Odiatom); biomarkers; pollen;
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T3 Quaternary revelations: the role
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T8 Late-Middle to Late Pleistocene
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T9 Climate forcing of mammoth range
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T8 Svalbard surging glacier landsys
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T2 Constraining peatland environmen
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T9 Late - glacial/Holocene vegetati
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T10 Developing a Holocene tephrostr
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Roberts, S. J. (1997) The spatial e
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T7 Pleistocene sea-surface and inte
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T10 Man, Megafauna and Mycobacteria
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T8 The “Four Ages” of Micromorp
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T3 Continental silicon cycling and
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T5 Reconstructing plateau icefields
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T3 Exploiting multi-proxy analysis
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T3 Tipping Points: Rapid Neo-glacia
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T5 Glacial history of the central n
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T8 Reconstructing Quaternary Rhine-
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T9 When was Europe deforested? Larg
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T9 Long-term vegetation development
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T9 Climate, microtopography and per
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T3 The temperature-δ 18 O relation
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T10 Neolithic land-use change clima
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T5 Assessing existing dating constr
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T10 Assessing the effects of the '2
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Figure 1: Lake ‘Disko 2’ on Dis
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T5 Increased channelization of subg
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T7 Holocene controls on silicic aci
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T8 Tanera Mor: a new stratotype for
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T8 Landscape response to abrupt cli
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T9 Impact of vegetation shifts on i
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T9 Assessing seasonality changes du
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T2 Cryptotephra records as archives
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Westaway, R., Bridgland, D.R., Mish
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T3 Songs from the wood: tales of th
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T9 Lateglacial and Holocene Climate
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