Dr Philippa Ascough

  • Lecturer (Scottish Universities Environmental Research Centre)

Research interests

Radiocarbon dating and technique development

Fire-derived carbon in the environment

Palaeoenvironmental change over the Holocene/ last Glacial

Stable isotopes in environmental systems

Marine and Freshwater 14C Reservoir Effects

Environmental/Scientific Archaeology

Grants

Developing a new chemical link between composition, abundance and sources of black carbon in a major urban environment. Ascough, Heal, Toney, Mills. (NERC). £73,668. 2016-2020.

PECRE exchange with the Department of Geography, The University of Zurich. Ascough. (Scottish Alliance for Geoscience, Environment and Society: Researcher Exchanges scheme). £4827. 2016.

Seeing the full spectrum: An integrated approach to characterization of Martian carbon. Ascough, Mark, Lee, Cockell, Faithfull. (The Carnegie Trust for the Universities of Scotland grant LG13SUE001). £34,534. 2013.

Reassessing the Scottish Mesolithic-Neolithic transition: Questions of diet and timing. Ascough, Cook, Murray, Bonsall. (AHRC AH/L008521/1). £60,699. 2014-2017.

Comparative Island Ecodynamics in the North Atlantic. McGovern, Cook, Ascough. (National Science Foundation of America). $50,000 (£33,000). 2012-2015. 

Assessing the potential for mineralisation of charcoal carbon in a woodland soil using a 14C-dead charcoal tracer. Ascough, Garnett, Tilston. (NERC 1510.1010). £6760. 2010-2012.

Norse deforestation and woodland sustainability in Iceland. Church, Ascough, Roucoux, Lawson. (NERC). £10,920. 2010-2011.

Dynamics of resistant carbon in tropical environments: diagenetic alteration of charcoal. Ascough. (Carnegie Trust for the Universities of Scotland). £1920. 2010-2011.

Testing the accuracy of ABA, ABOx-SC and HyPy charcoal pretreatment methods against the Campanian Ignimbrite. Snape, Meredith, Higham, Wood, Brock, Douka. (NERC). £14,040. 2009-2010.

An integrated investigation of stable and radiogenic isotopes in lake Myvatn, north Iceland: implications for ecosystem studies and freshwater radiocarbon reservoir effects. (NERC). £9660. 2009.

Establishing hydropyrolysis as an effective technique for the determination and isolation of pyrogenic carbon in samples from the natural environment. Snape, Large, Ascough. (NERC NE/F017456/1). £190,929. 2008-2011.

Radiocarbon in a North Icelandic freshwater system: Implications for ecosystem studies and archaeology. Ascough. (Royal Scottish Geographical Society). £250. 2008.

Marine Radiocarbon Reservoir Effects (MRE) in Archaeology: Temporal and Spatial Changes Through The Holocene Within the UK Coastal Environment. Cook, Dugmore, Ascough. (NERC NE/F002211/1, Historic Scotland). £60,963. 2007-2011.

Assessing the utility of hydrogen pyrolysis as a new tool for the decontamination of charcoal samples for radiocarbon dating and the geochemical characterization of removed contamination. Bird, Snape, Ascough. (NERC). £7425. 2007.

Long Term Human Ecodynamics in the Norse North Atlantic: cases of sustainability, survival, and collapse. McGovern, Ascough, Cook. (NSF-IPY, OPP/Division of Arctic Sciences). $13,500 (£8877). 2007.

Stable isotopic investigation of Ancient Norse and Modern Icelandic ecosystem dynamics. Ascough. (Carnegie Trust for the Universities of Scotland). £1290. 2006.

19th International Radiocarbon conference, University of Oxford, UK. Ascough. (Royal Scottish Geographical Society Conference Grant). £500. 2006.

10th AMS conference, University of California, Berkley, U.S.A. Ascough. (Scottish Universities International Travel Fund). £1500. 2005.

Assessment of marine radiocarbon reservoir effects in Scottish waters over the Holocene. Ascough. (Moray Fund, University of Edinburgh). £2000. 2004.

Supervision

  • Magdelena Blantz (current, University of Highlands and Islands). EU Funding. Seaweed as food and fodder in the North Atlantic Islands: past, present and future opportunities
  • Allan Cochrane (current) Environmental records of the Late-glacial / Inter-glacial transition in the Northern Isles
  • Angela Rawlings (current, University of Glasgow) Lord Kelvin Adam Smith Studentship. Performing Geochronology and Sustainability along Scotland’s Western Seaboard: Deep Time and Sustainable Futures
  • Jessica Bownes (PhD candidate, current) Reassessing the Scottish Mesolithic-Neolithic transition: Questions of diet and timing.
  • Nicola Russell (PhD, completed 2011). Marine Radiocarbon Reservoir Effects (MRE) in Archaeology: Temporal and Spatial Changes through the Holocene within the UK Coastal Environment.

Teaching

Archaeology degree program, School of Archaeology, University of Glasgow. Coordinator, Honours option module: Recovery and Interpretation of Archaeological Data.

 

Archaeology degree program, School of Archaeology, University of Glasgow. Recovery and Interpretation of Archaeological Data.

Chemistry degree program, School of Chemistry, University of Edinburgh. Honours option module: Isotope Ratio Mass Spectrometry.

Additional information

Academic recognition and scholarly positions

2016 – Present  Member of the Scottish Archaeology Research Framework (Scientific Archaeology Component)

2015 - Present  Peer review panel, The Carnegie Trust for the Universities of Scotland

2015 – Present  Review Editor, Frontiers in Earth Science

2014 - Present  International Expert Reviewer for the Australian National Research Council

2016  Guest Editorship, Environmental Archaeology

2016  Guest Editorship, Journal of the North Atlantic

2016  Keynote presentation, Geosciences Research Conference, Cologne

2015  Keynote presentation, European Association of Archaeologists, Glasgow

2015  Scientific committee, 22nd International Radiocarbon Conference

2014  Organising committee, 1st International Conference ‘Radiocarbon in the Environment’. August 2014. Queens University Belfast

2014  Keynote presentation, Radiocarbon and Diet conference, Kiel University.

2013  Member of European Science Foundation Exploratory Workshop, Spain, November 2013. ‘Impact of natural and anthropogenic Pyrogenic carbon in Mediterranean  ecosystems’.

2009-2010  Visiting Scholarship (2009 and 2010) by invitation of the Pro-Vice-Chancellor (Science and Engineering), James Cook University, Australia.

2013  Guest Editorship, Journal of the North Atlantic

2013  Session convenor, EGU General Assembly Vienna, Austria April 2013. Freshwater Carbon Cycling: Understanding detail of the source, fate and age of carbon in freshwater systems.  

2012  Session convenor, 21st International Radiocarbon Conference. UNESCO HQ, Paris, France. Advances in Chemical Pre-treatment.

2011  Session convenor, 6th International Symposium: Radiocarbon and Archaeology. Paphos, Cyprus, Radiocarbon Reservoir Ages in Archaeology.

2011  Session convenor, 11th Australasian Environmental Isotope Conference, Cairns, Australia.

2009-2013  Secretary, SUERC Consortium AMS Steering Committee

2009  Member (Ex-Officio), NERC Radiocarbon Steering Committee

 

Invited lectures, solicited and keynote presentations

2016  School of Geographical and Earth Sciences, University of Glasgow. Invited guest lecture.

2016  Graduate School of Geosciences Research Conference, Cologne University, Germany. Keynote presentation: ‘The application of radiocarbon and stable isotopes to understand Holocene human-environmental interactions.’

2015  School of Earth Sciences, University of Aberdeen. Invited guest lecture: ‘The burning issue: Disentangling sources and  turnover times of fire-derived Black Carbon in the environment.’

2015  European Association of Archaeologists, Glasgow University. Keynote presentation: ‘Endeavors and advances in Scottish scientific archaeology: A European perspective.’

2014  Radiocarbon and Diet meeting, Kiel University (Germany). Keynote presentation: ‘You're as old as what you eat (plus a few thousand years): Problems and prospects dealing with radiocarbon reservoir effects in archaeology.’

2013  2nd Biochar Research Wales (BReW) meeting, Swansea University. Keynote presentation: ‘Charcoal in the environment: How do we know what we (don’t) know?’

2012  EGU General Assembly, Vienna, Austria. Solicited presentation: ‘Evaluating hydropyrolysis as a method for quantification and characterisation of Black Carbon in environmental matrices.’

2012  EGU General Assembly, Vienna, Austria. Solicited presentation: ‘Assessing the mineralisation of charcoal carbon in temperate soils.’

2011  APEQ-Portuguese Association for Quaternary Studies International Conference. Keynote presentation: ‘Spatial and Temporal Variability of the Marine 14C Reservoir of Coastal Waters off Atlantic Europe during the Holocene.’

2011  Carlsberg Akademi, Copenhagen. Solicited presentation: ‘Isotopic studies of early Icelanders.’

2011  Ernst-Moritz-Arndt-Universität, Greifswald, Germany. Invited guest lecture: ‘Radiocarbon dating.’

2010  Department of Archaeological and Environmental Sciences, Bradford University. Invited guest lecture: ‘Fire and Isotopes: Research Studies in the North Atlantic.’

2008  EGU General Assembly, Vienna, Austria. Solicited presentation: ‘Pyrogenic carbon: influences upon structure and environmental degradation potential.’

Publications

List by: Type | Date

Jump to: 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004
Number of items: 46.

2016

Ascough, P. L., Church, M. J., and Cook, G. T. (2016) Marine radiocarbon reservoir effects for the Mesolithic and Medieval periods in the Western Isles of Scotland. Radiocarbon, (Accepted for Publication)

Sayle, K. L., Hamilton, W. D., Cook, G. T., Ascough, P. L., Gestsdóttir, H., and McGovern, T. H. (2016) Deciphering diet and monitoring movement: multiple stable isotope analysis of the Viking Age settlement at Hofstaðir, Lake Mývatn, Iceland. American Journal of Physical Anthropology, 160(1), pp. 126-136. (doi:10.1002/ajpa.22939) (PMID:26799531)

Tilston, E.L., Ascough, P.L., Garnett, M.H., and Bird, M.I. (2016) Quantifying charcoal degradation and negative priming of soil organic matter with a radiocarbon-dead tracer. Radiocarbon, (Early Online Publication)

2015

Shanks, R. P., Ascough, P. L., Dougans, A., Gallacher, P., Gulliver, P., Rood, D. H., Xu, S., and Freeman, S. P.H.T. (2015) Performance of the rebuilt SUERC single-stage accelerator mass spectrometer. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 361, pp. 76-79. (doi:10.1016/j.nimb.2015.07.122)

Russell, N., Cook, G. T., Ascough, P. L., and Scott, E. M. (2015) A period of calm in Scottish seas: a comprehensive study of ΔR values for the northern British Isles coast and the consequent implications for archaeology and oceanography. Quaternary Geochronology, 30(Pt. A), pp. 34-41. (doi:10.1016/j.quageo.2015.08.001)

Brewington, S. et al. (2015) Islands of change vs. islands of disaster: managing pigs and birds in the Anthropocene of the North Atlantic. Holocene, 25(10), pp. 1676-1684. (doi:10.1177/0959683615591714)

Washbourne, C.-L., Lopez-Capel, E., Renforth, P., Ascough, P. L., and Manning, D. A.C. (2015) Rapid removal of atmospheric CO2 by urban soils. Environmental Science & Technology, 49(9), pp. 5434-5440. (doi:10.1021/es505476d) (PMID:25837769)

Cook, G.T., Ascough, P.L., Bonsall, C., Hamilton, W.D., Russell, N., Sayle, K.L., Scott, E.M., and Bownes, J.M. (2015) Best practice methodology for 14C calibration of marine and mixed terrestrial/marine samples. Quaternary Geochronology, 27, pp. 164-171. (doi:10.1016/j.quageo.2015.02.024)

2014

Bird, M. I., Levchenko, V., Ascough, P. L., Meredith, W., Wurster, C. M., Williams, A., Tilston, E. L., Snape, C. E., and Apperley, D. C. (2014) The efficiency of charcoal decontamination for radiocarbon dating by three pre-treatments – ABOX, ABA and hypy. Quaternary Geochronology, 22, pp. 25-32. (doi:10.1016/j.quageo.2014.02.003)

Ascough, P. (2014) Peat (14C). In: Rink, W.J. and Thompson, J. (eds.) Encyclopedia of Scientific Dating Methods. Springer Netherlands, pp. 1-8. ISBN 9789400763265 (doi:10.1007/978-94-007-6326-5_166-1)

Ascough, P. L., Church, M. J., Cook, G. T., Einarsson, Á., McGovern, T. H., Dugmore, A. J., and Edwards, K. J. (2014) Stable isotopic (δ13C and δ15N) characterization of key faunal resources 1 from Norse period 2 settlements in North Iceland. Journal of the North Atlantic, 7(7), pp. 25-42. (doi:10.3721/037.002.sp703)

Sayle, K., Cook, G. T., Ascough, P. L., Gestsdóttir, H., Hamilton, W. D., and McGovern, T. H. (2014) Utilisation of δ13C, δ15N, and δ34S analyses to understand 14C-dating anomalies within a Late Viking Age community in north-east Iceland. Radiocarbon, 56(2), (doi:10.2458/56.17770)

2013

Sayle, K. L., Cook, G. T., Ascough, P. L., Hastie, H., Einarsson, Á., McGovern, T. H., Hicks, M. T., Edwald, Á., and Friðriksson, A. (2013) Application of 34S analysis for elucidating terrestrial, marine and freshwater ecosystems: evidence of animal movement/husbandry practices in an early Viking community around Lake Mývatn, Iceland. Geochimica et Cosmochimica Acta, 120(1), pp. 531-544. (doi:10.1016/j.gca.2013.07.008)

Church, M. J. et al. (2013) The Vikings were not the first colonizers of the Faroe Islands. Quaternary Science Reviews, 77, pp. 228-232. (doi:10.1016/j.quascirev.2013.06.011)

Meredith, W., Ascough, P.L., Bird, M.I., Large, D.J., Snape, C.E., Song, J., Sun, Y., and Tilston, E.L. (2013) Direct evidence from hydropyrolysis for the retention of long alkyl moieties in black carbon fractions isolated by acidified dichromate oxidation. Journal of Analytical and Applied Pyrolysis, 103, pp. 232-239. (doi:10.1016/j.jaap.2012.11.001)

Clark, K.E., Hilton, R.G., West, A.J., Malhi, Y., Gröcke, D.R., Bryant, C.L., Ascough, P.L., Robles Caceres, A., and New, M. (2013) New views on “old” carbon in the Amazon River: insight from the source of organic carbon eroded from the Peruvian Andes. Geochemistry Geophysics Geosystems, 14(5), pp. 1644-1659. (doi:10.1002/ggge.20122)

2012

Meredith, W., Ascough, P.L., Bird, M.I., Large, D.J., Snape, C.E., Sun, Y., and Tilston, E.L. (2012) Assessment of hydropyrolysis as a method for the quantification of black carbon using standard reference materials. Geochimica et Cosmochimica Acta, 97, pp. 131-147. (doi:10.1016/j.gca.2012.08.037)

Ascough, P.L., Church, M.J., Cook, G.T., Dunbar, E., Gestsdóttir, H., McGovern, T.H., Dugmore, A.J., Friðriksson, A., and Edwards, K.J. (2012) Radiocarbon reservoir effects in human bone collagen from northern Iceland. Journal of Archaeological Science, 39(7), pp. 2261-2271. (doi:10.1016/j.jas.2012.02.012)

Bird, M.I., and Ascough, P.L. (2012) Isotopes in pyrogenic carbon: a review. Organic Geochemistry, 42(12), pp. 1529-1539. (doi:10.1016/j.orggeochem.2010.09.005)

2011

Ascough, P., Cook, G., Hastie, H., Dunbar, E., Church, M.J., Einarsson, A., McGovern, T.H., and Dugmore, A.J. (2011) An Icelandic freshwater radiocarbon reservoir effect: implications for lacustrine 14C chronologies. Holocene, 21(7), pp. 1073-1080. (doi:10.1177/0959683611400466)

Ahad, J.M.E., Ganeshram, R.S., Bryant, C.L., Cisneros, L.M., Ascough, P., Fallick, A.E., and Slater, G.F. (2011) Sources of n-alkanes in an urbanized estuary: insights from molecular distributions and compound-specific stable and radiocarbon isotopes. Marine Chemistry, 126(1-4), pp. 239-249. (doi:10.1016/j.marchem.2011.06.002)

Ascough, P., Bird, M.I., Francis, S.M., Thornton, B., Midwood, A., Scott, A.C., and Apperley, D. (2011) Variability in oxidative degradation of charcoal: influence of production variables and environmental exposure. Geochimica et Cosmochimica Acta, 75(9), pp. 2361-2378. (doi:10.1016/j.gca.2011.02.002)

Russell, N., Cook, G., Ascough, P., Barrett, J.H., and Dugmore, A. (2011) Species specific Marine Radiocarbon Reservoir Effect: A comparison of Δ R values between Patella vulgata (limpet) shell carbonate and Gadus morhua (Atlantic cod) bone collagen. Journal of Archaeological Science, 38(5), pp. 1008-1015. (doi:10.1016/j.jas.2010.11.015)

Baker, A., Gulliver, P., Ascough, P., Roe, J., and Bridgeman, J. (2011) Assessing the effect of sterilization on the radiocarbon signature of freshwater dissolved organic carbon. Radiocarbon, 53(4), pp. 659-667.

Russell, N., Cook, G., Ascough, P., Scott, E.M., and Dugmore, A.J. (2011) Examining the inherent variability in ΔR: New methods of presenting ΔR values and implications for MRE studies. Radiocarbon, 53(2), pp. 277-288.

2010

Ascough, P., Bird, M.I., Meredith, W., Wood, R.E., Snape, C.E., Brock, F., Higham, T.F., Large, D.J., and Apperley, D.C. (2010) Hydropyrolysis: implications for radiocarbon pre-treatment and characterization of Black Carbon. Radiocarbon, 52(3), pp. 1336-1350.

Ascough, P.L. et al. (2010) Temporal and spatial variations in freshwater 14C reservoir effects: Lake Myvatn, Northern Iceland. Radiocarbon, 52(3), pp. 1098-1112.

Naysmith, P. et al. (2010) 14C AMS at SUERC: improving QA data from the 5 MV tandem AMS and 250 kV SSAMS. Radiocarbon, 52(2), pp. 263-271. (doi:10.1017/S003382220004529X)

Russell, N., Cook, G., Ascough, P.L., and Dugmore, A. (2010) Spatial variation in the MRE throughout the Scottish Post-Roman to late Medieval period: North Sea values (500-1350 BP). Radiocarbon, 52(3), pp. 1166-1181.

Wurster, C.M., McFarlane, D.A., Bird, M.I., Ascough, P.L., and Athfield, N.B. (2010) Stable isotopes of subfossil bat guano as a long-term environmental archive: insights from a Grand Canyon cave deposit. Journal of Cave and Karst Studies, 72(2), pp. 111-121. (doi:10.4311/jcks2009es0109)

Ascough, P.L., Bird, M.I., Scott, A.C., Collinson, M.E., Cohen-Ofri, I., Snape, C.E., and Le Manquais, K. (2010) Charcoal reflectance measurements: implications for structural characterization and assessment of diagenetic alteration. Journal of Archaeological Science, 37(7), pp. 1590-1599. (doi:10.1016/j.jas.2010.01.020)

Ascough, P.L., Sturrock, C.J., and Bird, M.I. (2010) Investigation of growth responses in saprophytic fungi to charred biomass. Isotopes in Environmental and Health Studies, 46(1), pp. 64-77. (doi:10.1080/10256010903388436)

Ascough, P.L., Bird, M.I., Francis, S.M., and Lebl, T. (2010) Alkali extraction of archaeological and geological charcoal: evidence for diagenetic degradation and formation of humic acids. Journal of Archaeological Science, 38(1), pp. 69-78. (doi:10.1016/j.jas.2010.08.011)

2009

Wurster, C.M., Bird, M.I., Bull, I., Bryant, C., and Ascough, P.L. (2009) A protocol for radiocarbon dating tropical subfossil cave guano. Radiocarbon, 51(3), pp. 977-986.

Ascough, P.L., Cook, G.T., and Dugmore, A.J. (2009) North Atlantic marine 14C reservoir effects: implications for late-Holocene chronological studies. Quaternary Geochronology, 4(3), pp. 171-180. (doi:10.1016/j.quageo.2008.12.002)

Ascough, P.L., Bird, M.I., Brock, F., Higham, T.F.G., Meredith, W., Snape, C.E., and Vane, C.H. (2009) Hydropyrolysis as a new tool for radiocarbon pre-treatment and the quantification of black carbon. Quaternary Geochronology, 4(2), pp. 140-147. (doi:10.1016/j.quageo.2008.11.001)

Bird, M.I., Charville-Mort, P.D.J., Ascough, P.L., Wood, R., Higham, T.F.G., and Apperley, D. (2009) Assessment of oxygen plasma ashing as a pre-treatment for radiocarbon dating. Quaternary Geochronology, (doi:10.1016/j.quageo.2009.10.004)

2008

Ascough, P.L., Bird, M.I., Wormald, P., Snape, C.E., and Apperley, D. (2008) Influence of production variables and starting material on charcoal stable isotopic and molecular characteristics. Geochimica et Cosmochimica Acta, 72(24), pp. 6090-6102. (doi:10.1016/j.gca.2008.10.009)

Bird, M.I., Ascough, P.L., Young, I.M., Wood, C.V., and Scott, A.C. (2008) X-Ray microtomographic imaging of charcoal. Journal of Archaeological Science, 35(10), pp. 2698-2706. (doi:10.1016/j.jas.2008.04.018)

2007

Church, M., Dugmore, A.J., Mairs, K.A., Millard, A.R., Cook, G.T., Sveinbjarnardottir, G., Ascough, P.L., and Roucoux, K.H. (2007) Charcoal production during the Norse and early medieval periods in Eyjafjallahreppur, southern Iceland. Radiocarbon, 49(2), pp. 659-672.

Ascough, P.L., Cook, G.T., Church, M.J., Dugmore, A.J., McGovern, T.G., Dunbar, E., Einarsson, E., Frioriksson, A., and Gestsdottir, H. (2007) Reservoirs and radiocarbon: 14C dating problems in Myvatnssveit, Northern Iceland. Radiocarbon, 49(2), pp. 947-961.

Ascough, P.L., Cook, G.T., Dugmore, A.J., and Scott, E.M. (2007) The North Atlantic marine reservoir effect in the early Holocene: implications for defining and understanding MRE values. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 259(1), pp. 438-447. (doi:10.1016/j.nimb.2007.01.185)

2006

Ascough, P. L., Cook, G.T., Church, M.J., Dugmore, A.J., Arge, S.V., and McGovern, T.H. (2006) Variability in North Atlantic marine radiocarbon reservoir effects at c. 1000 AD. Holocene, 16(1), pp. 131-136. (doi:10.1191/0959683606hl913rr)

2005

Ascough, P.L., Cook, G.T., and Dugmore, A. (2005) Methodological approaches to determining the marine radiocarbon reservoir effect. Progress in Physical Geography, 29(4), pp. 532-547. (doi:10.1191/0309133305pp461ra)

Ascough, P.L., Cook, G.T., Dugmore, A.J., Scott, E.M., and Freeman, S.P.H.T. (2005) Influence of mollusk species on marine DELTA R determinations. Radiocarbon, 47(3), pp. 433-440.

2004

Ascough, P.L., Cook, G.T., Dugmore, A.J., Barber, J., Higney, E., and Scott, E.M. (2004) Holocene variations in the Scottish marine radiocarbon reservoir effect. Radiocarbon, 46(2), pp. 611-620.

This list was generated on Sun Dec 4 23:46:06 2016 GMT.
Number of items: 46.

Articles

Ascough, P. L., Church, M. J., and Cook, G. T. (2016) Marine radiocarbon reservoir effects for the Mesolithic and Medieval periods in the Western Isles of Scotland. Radiocarbon, (Accepted for Publication)

Sayle, K. L., Hamilton, W. D., Cook, G. T., Ascough, P. L., Gestsdóttir, H., and McGovern, T. H. (2016) Deciphering diet and monitoring movement: multiple stable isotope analysis of the Viking Age settlement at Hofstaðir, Lake Mývatn, Iceland. American Journal of Physical Anthropology, 160(1), pp. 126-136. (doi:10.1002/ajpa.22939) (PMID:26799531)

Tilston, E.L., Ascough, P.L., Garnett, M.H., and Bird, M.I. (2016) Quantifying charcoal degradation and negative priming of soil organic matter with a radiocarbon-dead tracer. Radiocarbon, (Early Online Publication)

Shanks, R. P., Ascough, P. L., Dougans, A., Gallacher, P., Gulliver, P., Rood, D. H., Xu, S., and Freeman, S. P.H.T. (2015) Performance of the rebuilt SUERC single-stage accelerator mass spectrometer. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 361, pp. 76-79. (doi:10.1016/j.nimb.2015.07.122)

Russell, N., Cook, G. T., Ascough, P. L., and Scott, E. M. (2015) A period of calm in Scottish seas: a comprehensive study of ΔR values for the northern British Isles coast and the consequent implications for archaeology and oceanography. Quaternary Geochronology, 30(Pt. A), pp. 34-41. (doi:10.1016/j.quageo.2015.08.001)

Brewington, S. et al. (2015) Islands of change vs. islands of disaster: managing pigs and birds in the Anthropocene of the North Atlantic. Holocene, 25(10), pp. 1676-1684. (doi:10.1177/0959683615591714)

Washbourne, C.-L., Lopez-Capel, E., Renforth, P., Ascough, P. L., and Manning, D. A.C. (2015) Rapid removal of atmospheric CO2 by urban soils. Environmental Science & Technology, 49(9), pp. 5434-5440. (doi:10.1021/es505476d) (PMID:25837769)

Cook, G.T., Ascough, P.L., Bonsall, C., Hamilton, W.D., Russell, N., Sayle, K.L., Scott, E.M., and Bownes, J.M. (2015) Best practice methodology for 14C calibration of marine and mixed terrestrial/marine samples. Quaternary Geochronology, 27, pp. 164-171. (doi:10.1016/j.quageo.2015.02.024)

Bird, M. I., Levchenko, V., Ascough, P. L., Meredith, W., Wurster, C. M., Williams, A., Tilston, E. L., Snape, C. E., and Apperley, D. C. (2014) The efficiency of charcoal decontamination for radiocarbon dating by three pre-treatments – ABOX, ABA and hypy. Quaternary Geochronology, 22, pp. 25-32. (doi:10.1016/j.quageo.2014.02.003)

Ascough, P. L., Church, M. J., Cook, G. T., Einarsson, Á., McGovern, T. H., Dugmore, A. J., and Edwards, K. J. (2014) Stable isotopic (δ13C and δ15N) characterization of key faunal resources 1 from Norse period 2 settlements in North Iceland. Journal of the North Atlantic, 7(7), pp. 25-42. (doi:10.3721/037.002.sp703)

Sayle, K., Cook, G. T., Ascough, P. L., Gestsdóttir, H., Hamilton, W. D., and McGovern, T. H. (2014) Utilisation of δ13C, δ15N, and δ34S analyses to understand 14C-dating anomalies within a Late Viking Age community in north-east Iceland. Radiocarbon, 56(2), (doi:10.2458/56.17770)

Sayle, K. L., Cook, G. T., Ascough, P. L., Hastie, H., Einarsson, Á., McGovern, T. H., Hicks, M. T., Edwald, Á., and Friðriksson, A. (2013) Application of 34S analysis for elucidating terrestrial, marine and freshwater ecosystems: evidence of animal movement/husbandry practices in an early Viking community around Lake Mývatn, Iceland. Geochimica et Cosmochimica Acta, 120(1), pp. 531-544. (doi:10.1016/j.gca.2013.07.008)

Church, M. J. et al. (2013) The Vikings were not the first colonizers of the Faroe Islands. Quaternary Science Reviews, 77, pp. 228-232. (doi:10.1016/j.quascirev.2013.06.011)

Meredith, W., Ascough, P.L., Bird, M.I., Large, D.J., Snape, C.E., Song, J., Sun, Y., and Tilston, E.L. (2013) Direct evidence from hydropyrolysis for the retention of long alkyl moieties in black carbon fractions isolated by acidified dichromate oxidation. Journal of Analytical and Applied Pyrolysis, 103, pp. 232-239. (doi:10.1016/j.jaap.2012.11.001)

Clark, K.E., Hilton, R.G., West, A.J., Malhi, Y., Gröcke, D.R., Bryant, C.L., Ascough, P.L., Robles Caceres, A., and New, M. (2013) New views on “old” carbon in the Amazon River: insight from the source of organic carbon eroded from the Peruvian Andes. Geochemistry Geophysics Geosystems, 14(5), pp. 1644-1659. (doi:10.1002/ggge.20122)

Meredith, W., Ascough, P.L., Bird, M.I., Large, D.J., Snape, C.E., Sun, Y., and Tilston, E.L. (2012) Assessment of hydropyrolysis as a method for the quantification of black carbon using standard reference materials. Geochimica et Cosmochimica Acta, 97, pp. 131-147. (doi:10.1016/j.gca.2012.08.037)

Ascough, P.L., Church, M.J., Cook, G.T., Dunbar, E., Gestsdóttir, H., McGovern, T.H., Dugmore, A.J., Friðriksson, A., and Edwards, K.J. (2012) Radiocarbon reservoir effects in human bone collagen from northern Iceland. Journal of Archaeological Science, 39(7), pp. 2261-2271. (doi:10.1016/j.jas.2012.02.012)

Bird, M.I., and Ascough, P.L. (2012) Isotopes in pyrogenic carbon: a review. Organic Geochemistry, 42(12), pp. 1529-1539. (doi:10.1016/j.orggeochem.2010.09.005)

Ascough, P., Cook, G., Hastie, H., Dunbar, E., Church, M.J., Einarsson, A., McGovern, T.H., and Dugmore, A.J. (2011) An Icelandic freshwater radiocarbon reservoir effect: implications for lacustrine 14C chronologies. Holocene, 21(7), pp. 1073-1080. (doi:10.1177/0959683611400466)

Ahad, J.M.E., Ganeshram, R.S., Bryant, C.L., Cisneros, L.M., Ascough, P., Fallick, A.E., and Slater, G.F. (2011) Sources of n-alkanes in an urbanized estuary: insights from molecular distributions and compound-specific stable and radiocarbon isotopes. Marine Chemistry, 126(1-4), pp. 239-249. (doi:10.1016/j.marchem.2011.06.002)

Ascough, P., Bird, M.I., Francis, S.M., Thornton, B., Midwood, A., Scott, A.C., and Apperley, D. (2011) Variability in oxidative degradation of charcoal: influence of production variables and environmental exposure. Geochimica et Cosmochimica Acta, 75(9), pp. 2361-2378. (doi:10.1016/j.gca.2011.02.002)

Russell, N., Cook, G., Ascough, P., Barrett, J.H., and Dugmore, A. (2011) Species specific Marine Radiocarbon Reservoir Effect: A comparison of Δ R values between Patella vulgata (limpet) shell carbonate and Gadus morhua (Atlantic cod) bone collagen. Journal of Archaeological Science, 38(5), pp. 1008-1015. (doi:10.1016/j.jas.2010.11.015)

Baker, A., Gulliver, P., Ascough, P., Roe, J., and Bridgeman, J. (2011) Assessing the effect of sterilization on the radiocarbon signature of freshwater dissolved organic carbon. Radiocarbon, 53(4), pp. 659-667.

Russell, N., Cook, G., Ascough, P., Scott, E.M., and Dugmore, A.J. (2011) Examining the inherent variability in ΔR: New methods of presenting ΔR values and implications for MRE studies. Radiocarbon, 53(2), pp. 277-288.

Ascough, P., Bird, M.I., Meredith, W., Wood, R.E., Snape, C.E., Brock, F., Higham, T.F., Large, D.J., and Apperley, D.C. (2010) Hydropyrolysis: implications for radiocarbon pre-treatment and characterization of Black Carbon. Radiocarbon, 52(3), pp. 1336-1350.

Ascough, P.L. et al. (2010) Temporal and spatial variations in freshwater 14C reservoir effects: Lake Myvatn, Northern Iceland. Radiocarbon, 52(3), pp. 1098-1112.

Naysmith, P. et al. (2010) 14C AMS at SUERC: improving QA data from the 5 MV tandem AMS and 250 kV SSAMS. Radiocarbon, 52(2), pp. 263-271. (doi:10.1017/S003382220004529X)

Russell, N., Cook, G., Ascough, P.L., and Dugmore, A. (2010) Spatial variation in the MRE throughout the Scottish Post-Roman to late Medieval period: North Sea values (500-1350 BP). Radiocarbon, 52(3), pp. 1166-1181.

Wurster, C.M., McFarlane, D.A., Bird, M.I., Ascough, P.L., and Athfield, N.B. (2010) Stable isotopes of subfossil bat guano as a long-term environmental archive: insights from a Grand Canyon cave deposit. Journal of Cave and Karst Studies, 72(2), pp. 111-121. (doi:10.4311/jcks2009es0109)

Ascough, P.L., Bird, M.I., Scott, A.C., Collinson, M.E., Cohen-Ofri, I., Snape, C.E., and Le Manquais, K. (2010) Charcoal reflectance measurements: implications for structural characterization and assessment of diagenetic alteration. Journal of Archaeological Science, 37(7), pp. 1590-1599. (doi:10.1016/j.jas.2010.01.020)

Ascough, P.L., Sturrock, C.J., and Bird, M.I. (2010) Investigation of growth responses in saprophytic fungi to charred biomass. Isotopes in Environmental and Health Studies, 46(1), pp. 64-77. (doi:10.1080/10256010903388436)

Ascough, P.L., Bird, M.I., Francis, S.M., and Lebl, T. (2010) Alkali extraction of archaeological and geological charcoal: evidence for diagenetic degradation and formation of humic acids. Journal of Archaeological Science, 38(1), pp. 69-78. (doi:10.1016/j.jas.2010.08.011)

Wurster, C.M., Bird, M.I., Bull, I., Bryant, C., and Ascough, P.L. (2009) A protocol for radiocarbon dating tropical subfossil cave guano. Radiocarbon, 51(3), pp. 977-986.

Ascough, P.L., Cook, G.T., and Dugmore, A.J. (2009) North Atlantic marine 14C reservoir effects: implications for late-Holocene chronological studies. Quaternary Geochronology, 4(3), pp. 171-180. (doi:10.1016/j.quageo.2008.12.002)

Ascough, P.L., Bird, M.I., Brock, F., Higham, T.F.G., Meredith, W., Snape, C.E., and Vane, C.H. (2009) Hydropyrolysis as a new tool for radiocarbon pre-treatment and the quantification of black carbon. Quaternary Geochronology, 4(2), pp. 140-147. (doi:10.1016/j.quageo.2008.11.001)

Bird, M.I., Charville-Mort, P.D.J., Ascough, P.L., Wood, R., Higham, T.F.G., and Apperley, D. (2009) Assessment of oxygen plasma ashing as a pre-treatment for radiocarbon dating. Quaternary Geochronology, (doi:10.1016/j.quageo.2009.10.004)

Ascough, P.L., Bird, M.I., Wormald, P., Snape, C.E., and Apperley, D. (2008) Influence of production variables and starting material on charcoal stable isotopic and molecular characteristics. Geochimica et Cosmochimica Acta, 72(24), pp. 6090-6102. (doi:10.1016/j.gca.2008.10.009)

Bird, M.I., Ascough, P.L., Young, I.M., Wood, C.V., and Scott, A.C. (2008) X-Ray microtomographic imaging of charcoal. Journal of Archaeological Science, 35(10), pp. 2698-2706. (doi:10.1016/j.jas.2008.04.018)

Church, M., Dugmore, A.J., Mairs, K.A., Millard, A.R., Cook, G.T., Sveinbjarnardottir, G., Ascough, P.L., and Roucoux, K.H. (2007) Charcoal production during the Norse and early medieval periods in Eyjafjallahreppur, southern Iceland. Radiocarbon, 49(2), pp. 659-672.

Ascough, P.L., Cook, G.T., Church, M.J., Dugmore, A.J., McGovern, T.G., Dunbar, E., Einarsson, E., Frioriksson, A., and Gestsdottir, H. (2007) Reservoirs and radiocarbon: 14C dating problems in Myvatnssveit, Northern Iceland. Radiocarbon, 49(2), pp. 947-961.

Ascough, P.L., Cook, G.T., Dugmore, A.J., and Scott, E.M. (2007) The North Atlantic marine reservoir effect in the early Holocene: implications for defining and understanding MRE values. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 259(1), pp. 438-447. (doi:10.1016/j.nimb.2007.01.185)

Ascough, P. L., Cook, G.T., Church, M.J., Dugmore, A.J., Arge, S.V., and McGovern, T.H. (2006) Variability in North Atlantic marine radiocarbon reservoir effects at c. 1000 AD. Holocene, 16(1), pp. 131-136. (doi:10.1191/0959683606hl913rr)

Ascough, P.L., Cook, G.T., and Dugmore, A. (2005) Methodological approaches to determining the marine radiocarbon reservoir effect. Progress in Physical Geography, 29(4), pp. 532-547. (doi:10.1191/0309133305pp461ra)

Ascough, P.L., Cook, G.T., Dugmore, A.J., Scott, E.M., and Freeman, S.P.H.T. (2005) Influence of mollusk species on marine DELTA R determinations. Radiocarbon, 47(3), pp. 433-440.

Ascough, P.L., Cook, G.T., Dugmore, A.J., Barber, J., Higney, E., and Scott, E.M. (2004) Holocene variations in the Scottish marine radiocarbon reservoir effect. Radiocarbon, 46(2), pp. 611-620.

Book Sections

Ascough, P. (2014) Peat (14C). In: Rink, W.J. and Thompson, J. (eds.) Encyclopedia of Scientific Dating Methods. Springer Netherlands, pp. 1-8. ISBN 9789400763265 (doi:10.1007/978-94-007-6326-5_166-1)

This list was generated on Sun Dec 4 23:46:06 2016 GMT.