Search Results - "Murton, Julian"

What and where are periglacial landscapes? by Murton, Julian B.

“…Uncertainties about landscape evolution under cold, nonglacial conditions raise a question fundamental to periglacial geomorphology: what and where are…”
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The configuration of Northern Hemisphere ice sheets through the Quaternary by Batchelor, Christine L., Margold, Martin, Krapp, Mario, Murton, Della K., Dalton, April S., Gibbard, Philip L., Stokes, Chris R., Murton, Julian B., Manica, Andrea

“…Our understanding of how global climatic changes are translated into ice-sheet fluctuations and sea-level change is currently limited by a lack of knowledge of…”
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Micro‐computed tomography imaging and probabilistic modelling of rock fracture by freeze–thaw by Maji, Vikram, Murton, Julian B.

“…A major problem in studies of rock fracture by frost is the paucity of direct observations in space and time of the initiation and growth of microcracks and…”
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Oriented-lake development in the context of late Quaternary landscape evolution, McKinley Bay Coastal Plain, western Arctic Canada by Wolfe, Stephen, Murton, Julian, Bateman, Mark, Barlow, John

“…Oriented lakes—characterized by elongate forms, central basins and shallow littoral shelves—are common features of circum-arctic coastal lowlands. The…”
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Identification of Younger Dryas outburst flood path from Lake Agassiz to the Arctic Ocean by Murton, Julian B, Bateman, Mark D, Dallimore, Scott R, Teller, James T, Yang, Zhirong

“…The melting Laurentide Ice Sheet discharged thousands of cubic kilometres of fresh water each year into surrounding oceans, at times suppressing the Atlantic…”
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Bedrock Fracture by Ice Segregation in Cold Regions by Murton, Julian B, Peterson, Rorik, Ozouf, Jean-Claude

“…The volumetric expansion of freezing pore water is widely assumed to be a major cause of rock fracture in cold humid regions. Data from experiments simulating…”
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Experimental observations that simulated active‐layer deepening drives deeper rock fracture by Maji, Vikram, Murton, Julian B.

“…The impact of changes in active‐layer thickness on the depth of pervasive macrofracturing (brecciation) in frost‐susceptible bedrock is unclear but important…”
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The influence of vegetation and soil characteristics on active-layer thickness of permafrost soils in boreal forest by Fisher, James P., Estop-Aragonés, Cristian, Thierry, Aaron, Charman, Dan J., Wolfe, Stephen A., Hartley, Iain P., Murton, Julian B., Williams, Mathew, Phoenix, Gareth K.

“…Carbon release from thawing permafrost soils could significantly exacerbate global warming as the active‐layer deepens, exposing more carbon to decay. Plant…”
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Permafrost in the Cretaceous supergreenhouse by Rodríguez-López, Juan Pedro, Wu, Chihua, Vishnivetskaya, Tatiana A., Murton, Julian B., Tang, Wenqiang, Ma, Chao

“…Earth’s climate during the last 4.6 billion years has changed repeatedly between cold (icehouse) and warm (greenhouse) conditions. The hottest conditions…”
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Experimental Observations and Statistical Modeling of Crack Propagation Dynamics in Limestone by Acoustic Emission Analysis During Freezing and Thawing by Maji, Vikram, Murton, Julian B.

“…The timing and location of microcracking events, their propagation and coalescence to form macrocracks, and their development by tension, shearing or mixed…”
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Ice wedges as archives of winter paleoclimate: A review by Opel, Thomas, Meyer, Hanno, Wetterich, Sebastian, Laepple, Thomas, Dereviagin, Alexander, Murton, Julian

“…Ice wedges are a characteristic feature of northern permafrost landscapes and grow mainly by snowmelt that refreezes in thermal contraction cracks that open in…”
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Frost weathering: recent advances and future directions by Matsuoka, Norikazu, Murton, Julian

“…This paper reviews frost‐weathering studies in the last five years and proposes key questions to be answered. New techniques have enabled us to monitor…”
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The geomorphology of the Anthropocene: emergence, status and implications by Brown, Antony G., Tooth, Stephen, Bullard, Joanna E., Thomas, David S. G., Chiverrell, Richard C., Plater, Andrew J., Murton, Julian, Thorndycraft, Varyl R., Tarolli, Paolo, Rose, James, Wainwright, John, Downs, Peter, Aalto, Rolf

“…The Anthropocene is proposed as a new interval of geological time in which human influence on Earth and its geological record dominates over natural processes…”
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Recent Advances (2008-2015) in the Study of Ground Ice and Cryostratigraphy by Gilbert, Graham L., Kanevskiy, Mikhail, Murton, Julian B.

“…Cryostratigraphy involves the description, interpretation and correlation of ground‐ice structures (cryostructures) and their relationship to the host…”
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Limited contribution of permafrost carbon to methane release from thawing peatlands by Cooper, Mark D. A., Estop-Aragonés, Cristian, Fisher, James P., Thierry, Aaron, Garnett, Mark H., Charman, Dan J., Murton, Julian B., Phoenix, Gareth K., Treharne, Rachael, Kokelj, Steve V., Wolfe, Stephen A., Lewkowicz, Antoni G., Williams, Mathew, Hartley, Iain P.

“…Methane fluxes from thawing peatlands in northern Canada were derived predominantly from anaerobic decomposition of recent vegetation rather than from…”
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Boreal permafrost thaw amplified by fire disturbance and precipitation increases by Williams, Mathew, Zhang, Yu, Estop-Aragonés, Cristian, Fisher, James P, Xenakis, Georgios, Charman, Dan J, Hartley, Iain P, Murton, Julian B, Phoenix, Gareth K

“…Permafrost soils store huge amounts of organic carbon, which could be released if climate change promotes thaw. Currently, modelling studies predict that thaw…”
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Past climate and continentality inferred from ice wedges at Batagay megaslump in the Northern Hemisphere's most continental region, Yana Highlands, interior Yakutia by Opel, Thomas, Murton, Julian B, Wetterich, Sebastian, Meyer, Hanno, Ashastina, Kseniia, Günther, Frank, Grotheer, Hendrik, Mollenhauer, Gesine, Danilov, Petr P, Boeskorov, Vasily, Savvinov, Grigoriy N, Schirrmeister, Lutz

“…Ice wedges in the Yana Highlands of interior Yakutia – the most continental region of the Northern Hemisphere – were investigated to elucidate changes in…”
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Reconstructing Younger Dryas ground temperature and snow thickness from cave deposits by Töchterle, Paul, Baldo, Anna, Murton, Julian B, Schenk, Frederik, Edwards, R. Lawrence, Koltai, Gabriella, Moseley, Gina E

“…The Younger Dryas stadial was characterised by a rapid shift towards cold-climate conditions in the North Atlantic realm during the last deglaciation. While…”
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Middle and Late Pleistocene glacial lakes of lowland Britain and the southern North Sea Basin by Murton, Della K., Murton, Julian B.

“…Focusing on lowland Britain and the southern North Sea Basin, this article reviews the sedimentary and geomorphic evidence for the main glacial lakes inferred…”
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Pleistocene glacial and interglacial ecosystems inferred from ancient DNA analyses of permafrost sediments from Batagay megaslump, East Siberia by Courtin, Jérémy, Perfumo, Amedea, Andreev, Andrei A., Opel, Thomas, Stoof‐Leichsenring, Kathleen R., Edwards, Mary E., Murton, Julian B., Herzschuh, Ulrike

“…Pronounced glacial and interglacial climate cycles characterized northern ecosystems during the Pleistocene. Our understanding of the resultant community…”
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