33 research outputs found
The Internet, Images and Archaeology: ideas for interactive tutorials
No full textThis article reports on a small-scale study into how the Internet might be used for tutorial teaching in archaeology, which was undertaken by the authors as part of their project work for a Teaching Diploma at Oxford University. A workshop was developed to explore how the Internet and image-rich resources online could be exploited within the curriculum, and in turn what changes might need to be made to that curriculum in order to embed a critical, reflective approach to student learning. The practicalities of using the computer in the classroom were also investigated, in terms of available facilities, staff and student training, and the impact of computers on staff-student dynamics. Condron was also involved in a more extensive study of the use of C&IT (communication and information technologies) in small-group teaching across a range of subjects (the ASTER project), to which the Oxford case studies have contributed
Using electronic resources to support dialogue in undergraduate small‐group teaching: The ASTER project
No full textLearning through dialogue is an important element of UK higher education, supported by tutorial, seminar and workshop classes. Since 1998, the ASTER project has been exploring how Information and Communication Technologies support learning in small groups (http://cti‐psy.york.acuk/aster/). Electronic resources are developed and used in courses to support a wide range of learning needs, from delivery of content to interactive teaching tools and assessment. The manner in which they are integrated into a course dictates the extent to which they support and extend learning. The ASTER survey has identified the use of a range of new technologies to support learning through dialogue in a variety of contexts. Many of the uses are common across disciplines, though we have observed some differences in the range of tools used, and how they are implemented in and beyond the classroom. These differences are partly determined by the subject content of resources, and by the activities that ICT tools support. Another factor influencing this variation seems to be traditions of academic discourse. The findings suggest that educational technology needs to support both generic education practice, and the special needs of particular disciplines
Ritual, Space and Politics: Reflections in the Archaeological Record of Social Developments in Lepcis Magna, Tripolitania
No full textModeling iceberg longevity and distribution during Heinrich Events
No full text© The Author(s), 2022. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Fendrock, M., Condron, A., & McGee, D. Modeling iceberg longevity and distribution during Heinrich Events. Paleoceanography and Paleoclimatology, 37(6), (2022): e2021PA004347, https://doi.org/10.1029/2021pa004347.During the last glacial period (120–12 ka), the Laurentide ice sheet discharged large numbers of icebergs into the North Atlantic. These icebergs carried sediments that were dropped as the icebergs melted, leaving a record of past iceberg activity on the floor of the subpolar North Atlantic. Periods of significant iceberg discharge and increased ice-rafted debris (IRD) deposition, are known as Heinrich Events. These events coincide with global climate change, and the melt from the icebergs involved is frequently hypothesized to have contributed to these changes in climate by adding a significant volume of cold, fresh water to the North Atlantic. Using an iceberg model coupled with the Massachusetts Institute of Technology Global Circulation Model numerical circulation model, we explore the various factors controlling iceberg drift and rates of melt that influence the spatial patterns of IRD deposition during Heinrich Events. In addition to clarifying the influence of sea surface temperature and wind on the path of an armada of icebergs, we demonstrate that the same volume of ice can produce very different patterns of iceberg drift simply by altering the size of icebergs involved. We note also a significant difference in the seasonal locations of icebergs, influenced primarily by the changing winds, and show that the spatial patterns of IRD for Heinrich Event 1 most closely corresponds to where icebergs are located during the summer months. Consistent with proxy evidence, the ocean must be several degrees colder than temperatures estimated for the Last Glacial Maximum in order for icebergs to travel the distance implied by Heinrich Layers
Future climate response to Antarctic Ice Sheet melt caused by anthropogenic warming
No full text© The Author(s), 2020. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Sadai, S., Condron, A., DeConto, R., & Pollard, D. Future climate response to Antarctic Ice Sheet melt caused by anthropogenic warming. Science Advances, 6(39), (2020): eaaz1169, doi:10.1126/sciadv.aaz1169.Meltwater and ice discharge from a retreating Antarctic Ice Sheet could have important impacts on future global climate. Here, we report on multi-century (present–2250) climate simulations performed using a coupled numerical model integrated under future greenhouse-gas emission scenarios IPCC RCP4.5 and RCP8.5, with meltwater and ice discharge provided by a dynamic-thermodynamic ice sheet model. Accounting for Antarctic discharge raises subsurface ocean temperatures by >1°C at the ice margin relative to simulations ignoring discharge. In contrast, expanded sea ice and 2° to 10°C cooler surface air and surface ocean temperatures in the Southern Ocean delay the increase of projected global mean anthropogenic warming through 2250. In addition, the projected loss of Arctic winter sea ice and weakening of the Atlantic Meridional Overturning Circulation are delayed by several decades. Our results demonstrate a need to accurately account for meltwater input from ice sheets in order to make confident climate predictions.This research was supported by the NSF Office of Polar Programs through NSF grant 1443347, the Biological and Environmental Research (BER) division of the U.S. Department of Energy through grant DE-SC0019263, the NSF through ICER 1664013, and by a grant to the NASA Sea Level Science Team 80NSSC17K0698
Roman small towns in the East Midlands: A regional study of settlement development and interaction.
No full textThe urbanisation programme instigated by the Romans as they conquered the western provinces resulted in a network of chartered towns and numerous slighter settlements, popularly titled 'small towns'. Much research has focussed on the wide range of sites encompassed by the term 'small town'; Burnham's work has provided a framework for analysing these sites, based on settlement morphology and functions. Concentrating on the evidence of small towns alone can answer many questions about appearance, development, functions and complexity, but cannot indicate the audiences at which a wide range of activities was aimed. This thesis concentrates on the small towns of the East Midlands, using existing analytical frameworks to establish a hierarchy, and testing this by exploring the nature and strength of relations with neighbouring settlements. Small towns are placed in their landscape, and evaluated as administrative, regional, local market and service centres. Investigation is carried out in three stages: (i) detailed comparative analysis of the small towns alone; (ii) comparing small town-country relations, selecting a sample area of fixed size around each small town; (iii) assessment of the region as a whole, placing small towns in regional economic, administrative and religious networks. The balance of current academic opinion is that small towns served as local socio-economic centres. However, this thesis shows that few small towns In the East Midlands developed into market centres, the rest being more satisfactorily explained as rural, rather than central, places. Moreover, not all specialist production in some small towns need have been aimed at the locality, but a more distant market. Although many small towns originated as sites of specialist production, or were religious or administrative centres, one cannot assume that their continued existence relied on the evolution of local trade and exchange networks centred upon them
Profile of cases accessing gambling treatment in Ireland using national treatment surveillance data 2008 to 2019.
No full textArctic sea ice export as a driver of deglacial climate
No full text© The Author(s), 2020. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Condron, A., Joyce, A. J., & Bradley, R. S. Arctic sea ice export as a driver of deglacial climate. Geology, 48(4), (2020): 395-399, doi:10.1130/G47016.1.A widespread theory in paleoclimatology suggests that changes in freshwater discharge to the Nordic (Greenland, Norwegian, and Icelandic) Seas from ice sheets and proglacial lakes over North America played a role in triggering episodes of abrupt climate change during deglaciation (21–8 ka) by slowing the strength of the Atlantic Meridional Overturning circulation (AMOC). Yet, proving this link has been problematic, as climate models are unable to produce centennial-to-millennial–length reductions in overturning from short-lived outburst floods, while periods of iceberg discharge during Heinrich Event 1 (ca. 16 ka) may have occurred after the climate had already begun to cool. Here, results from a series of numerical model experiments are presented to show that prior to deglaciation, sea ice could have become tens of meters thick over large parts of the Arctic Basin, forming an enormous reservoir of freshwater independent from terrestrial sources. Our model then shows that deglacial sea-level rise, changes in atmospheric circulation, and terrestrial outburst floods caused this ice to be exported through Fram Strait, where its subsequent melt freshened the Nordic Seas enough to weaken the AMOC. Given that both the volume of ice stored in the Arctic Basin and the magnitude of the simulated export events exceed estimates of the volumes and fluxes of meltwater periodically discharged from proglacial Lake Agassiz, our results show that non-terrestrial freshwater sources played an important role in causing past abrupt climate change.The research was supported by the National Science Foundation (NSF) through NSF grants ARC-1204045 and PLR-1417667. The numerical simulations were carried out using MITgcm (http://mitgcm.org) and used resources provided by the Extreme Science and Engineering Discovery Environment (XSEDE; https://www.xsede.org), which is supported by NSF grant number ACI-1053575
The Plagiarism Advisory Service
No full textThe issue of plagiarism in education has existed for many years, however, advances in technology resulting in easy access to a multitude of information sources has reduced the effort required to incorporate the work of others into an essay or report. A Plagiarism Advisory Service has been established to provide advice and guidance on all aspects of plagiarism prevention and detection. This article presents the background to the Advisory Service and the associated electronic Plagiarism Detection Service. The nature and operation of the detection software is such that it should always be viewed as an additional element of any plagiarism prevention strategy. Future plans for the Advisory Service include the development of tools aimed at improving students referencing and citation practice and encouraging academics to audit their own assessment practice
Royal families of Europe : the literature
No full textThis thesis was scanned from the print manuscript for digital preservation and is copyright the author.
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