Search Results - "Duller, Geoff A.T"

Late Holocene anti-phase change in the East Asian summer and winter monsoons by Kang, Shugang, Wang, Xulong, Roberts, Helen M., Duller, Geoff A.T., Cheng, Peng, Lu, Yanchou, An, Zhisheng

“…Changes in East Asian summer and winter monsoon intensity have played a pivotal role in the prosperity and decline of society in the past, and will be…”
Get full text

The influence of Late Pleistocene geomorphological inheritance and Holocene hydromorphic regimes on floodwater farming in the Talgar catchment, southeast Kazakhstan, Central Asia by Macklin, Mark G., Panyushkina, Irina P., Toonen, Willem H.J., Chang, Claudia, Tourtellotte, Perry A., Duller, Geoff A.T., Wang, Hong, Prins, Maarten A.

“…In comparison to Southwest Asia and the Indian subcontinent, the relationship between Holocene river dynamics, climate change and floodwater farming in Central…”
Get full text

Single-grain feldspar luminescence chronology of historical extreme wave event deposits recorded in a coastal lowland, Pacific coast of central Japan by Riedesel, Svenja, Brill, Dominik, Roberts, Helen M., Duller, Geoff A.T., Garrett, Ed, Zander, Anja M., King, Georgina E., Tamura, Toru, Burow, Christoph, Cunningham, Alastair, Seeliger, Martin, De Batist, Marc, Heyvaert, Vanessa M.A., Fujiwara, Osamu, Brückner, Helmut

“…The Shirasuka lowlands, located on the Enshu-nada coast of central Japan, record evidence for numerous extreme wave events. Here we test the applicability of…”
Get full text

Emergence of Modern Human Behavior: Middle Stone Age Engravings from South Africa by Henshilwood, Christopher S., d'Errico, Francesco, Yates, Royden, Jacobs, Zenobia, Tribolo, Chantal, Geoff A. T. Duller, Mercier, Norbert, Sealy, Judith C., Valladas, Helene, Watts, Ian, Wintle, Ann G.

“…In the Eurasian Upper Paleolithic after about 35,000 years ago, abstract or depictional images provide evidence for cognitive abilities considered integral to…”
Get full text

Excavations at Site C North, Kalambo Falls, Zambia: New Insights into the Mode 2/3 Transition in South-Central Africa by Barham, Lawrence, Tooth, Stephen, Duller, Geoff A.T, Plater, Andrew J, Turner, Simon

“…We report on the results of small-scale excavations at the archaeological site of Kalambo Falls, northern Zambia. The site has long been known for its…”
Get full text

Glaciar León, Chilean Patagonia: late-Holocene chronology and geomorphology by Harrison, Stephan, Glasser, Neil, Winchester, Vanessa, Haresign, Eleanor, Warren, Charles, Duller, Geoff A.T., Bailey, Richard, Ivy-Ochs, Susan, Jansson, Krister, Kubik, Peter

“…Glaciar León is a temperate, grounded outlet of the eastern North Patagonian Icefield (NPI). It terminates at an active calving margin in Lago Leones, a 10 km…”
Get full text

Further investigation of spatially resolved single grain quartz OSL and TL signals by Durcan, Julie A., Duller, Geoff A.T.

“…The use of luminescence signals from single mineral grains for optical dating has become a valuable and frequently utilised tool in Quaternary Geochronology…”
Get full text

The variability of single grain quartz luminescence properties investigated using EMCCD imaging by Durcan, Julie A., Duller, Geoff A.T.

“…Optically stimulated luminescence (OSL) signals from individual quartz grains are frequently used for equivalent dose and age determination in luminescence…”
Get full text

Time-resolved infrared stimulated luminescence of the blue and yellow-green emissions – Insights into charge recombination in chemically and structurally different alkali feldspars by Riedesel, Svenja, Duller, Geoff A.T., Ankjærgaard, Christina

“…Time-resolved luminescence measurements can be used to explore luminescence processes in minerals and the defects involved. It has also been applied to…”
Get full text

Isolating a violet stimulated luminescence (VSL) signal in quartz suitable for dating: Investigating different thermal treatments and signal integration limits by Ataee, Nina, Roberts, Helen M., Duller, Geoff A.T.

“…The behavior of the post-blue violet stimulated luminescence (VSL) signal from quartz with respect to thermal treatments is explored. The results suggest that…”
Get full text

Late Quaternary climatic changes revealed by luminescence dating, mineral magnetism and diffuse reflectance spectroscopy of river terrace palaeosols: a new form of geoproxy data for the southern African interior by Lyons, Richard, Tooth, Stephen, Duller, Geoff A.T.

“…The nature, spatial patterns and forcing mechanisms of Quaternary climatic changes across southern Africa remain unresolved and contentious, principally due to…”
Get full text

New investigations at Kalambo Falls, Zambia: Luminescence chronology, site formation, and archaeological significance by Duller, Geoff A.T., Tooth, Stephen, Barham, Lawrence, Tsukamoto, Sumiko

“…Fluvial deposits can provide excellent archives of early hominin activity but may be complex to interpret, especially without extensive geochronology. The…”
Get full text

Dating the Paleolithic: Trapped charge methods and amino acid geochronology by Penkman, Kirsty E. H., Duller, Geoff A. T., Roberts, Helen M., Colarossi, Debra, Dickinson, Marc R., White, Dustin

“…Despite the vast array of different geochronological tools available, dating the Paleolithic remains one of the discipline’s greatest challenges. This review…”
Get full text

Beach ridge sets reflect the late Holocene evolution of the St Lucia estuarine lake system, South Africa by Botha, Greg A., Porat, Naomi, Haldorsen, Sylvi, Duller, Geoff A.T., Taylor, Ricky, Roberts, Helen M.

“…Sets of sandy beach ridges and intervening swales define shoreline sections of the shallow St Lucia wetland system within the iSimangaliso Wetland Park, World…”
Get full text

Fluvial landscapes of the Harappan civilization by Giosan, Liviu, Clift, Peter D, Macklin, Mark G, Fuller, Dorian Q, Constantinescu, Stefan, Durcan, Julie A, Stevens, Thomas, Duller, Geoff A. T, Tabrez, Ali R, Gangal, Kavita, Adhikari, Ronojoy, Alizai, Anwar, Filip, Florin, VanLaningham, Sam, Syvitski, James P. M

“…The collapse of the Bronze Age Harappan, one of the earliest urban civilizations, remains an enigma. Urbanism flourished in the western region of the…”
Get full text

Single-grain K-feldspar post-IR IRSL dating of glaciofluvial sediments of Guxiang Glaciation in SE Tibetan Plateau by Xu, Yantian, Ou, Xianjiao, Zou, Xiaojun, Yang, Cai, Duller, Geoff A.T., Li, Yang, Roberts, Helen M., Yang, Kunmei, Zeng, Lanhua

“…The Guxiang Glaciation, a key reference for classifying late Quaternary glaciations on the Tibetan Plateau, has been dated to MIS 6 using cosmogenic 10Be…”
Get full text

How have Cretan rivers responded to late Holocene uplift? A multi‐millennial, multi‐catchment field experiment to evaluate the applicability of Schumm and Parker's (1973) complex response model by Macklin, Mark G., Booth, Jonathan, Brewer, Paul A., Tooth, Stephen, Duller, Geoff A.T.

“…‘Complex response’ (Schumm, 1973, Geomorphic thresholds and complex response of drainage systems. In Morisawa, M. (ed.), Fluvial Geomorphology. Binghamton: New…”
Get full text

Testing single aliquot regenerative dose (SAR) protocols for violet stimulated luminescence by Colarossi, Debra, Chapot, Melissa S., Duller, Geoff A.T., Roberts, Helen M.

“…Basic assumptions of the single aliquot regenerative dose (SAR) protocol are tested using the violet stimulated luminescence (VSL) signal from quartz. The VSL…”
Get full text

Electron spin resonance dating of quartz from archaeological sites at Victoria Falls, Zambia by Richter, Marcus, Tsukamoto, Sumiko, Chapot, Melissa S., Duller, Geoff A.T., Barham, Lawrence S.

“…When electron spin resonance (ESR) is applied to sedimentary quartz, dealing with the poor bleachability of the signals is particularly challenging. In this…”
Get full text

The fast ratio: A rapid measure for testing the dominance of the fast component in the initial OSL signal from quartz by Durcan, Julie A., Duller, Geoff A.T.

“…The signal from the fast component is usually considered preferable for quartz optically stimulated luminescence (OSL) dating, however its presence in a…”
Get full text