Dr Philippa Ascough

  • Research Fellow (Scottish Universities Environmental Research Centre)

Research interests

Radiocarbon

Stable isotopes

Marine and Freshwater 14C Reservoir Effects

Black Carbon

Environmental/Scientific Archaeology

Grants

Seeing the full spectrum: An integrated approach to characterization of Martian carbon. With Mark, D., Morrison, D. (SUERC), Lee, M. (Glasgow), Cockell, C. (Edinburgh), Smith, C. (NHM London), and Faithfull, J. (Huntarian Museum). (The Carnegie Trust for the Universities of Scotland grant LG13SUE001). £34,534. 2013.

Reassessing the Scottish Mesolithic-Neolithic transition: Questions of diet and timing. With Cook, G. (SUERC), Murray, I. (Historic Scotland) and Bonsall, C. (Edinburgh). (AHRC Collaborative Doctoral Award, AH/L008521/1). £60,699. 2013.

Comparative Island Ecodynamics in the North Atlantic. With McGovern, T. (City University of New York) and Cook, G. (SUERC). (US National Science Foundation). $50,000 (£33,000). 2012-2015. Radiocarbon-based chronology and stable isotope-based palaeodiet reconstruction.

Assessing the potential for mineralisation of charcoal carbon in a woodland soil using a 14C-dead charcoal tracer. With Garnett, M. (NERC-RCL) and Tilston, E. (SUERC). (ORADS-NERC grant 1510.1010). £6760. 2010.

Norse deforestation and woodland sustainability in northern Iceland. With Church, M.J. (Durham), Lawson, I. and Roucoux, K. (Leeds). (ORADS-NERC). £10,920. 2010.

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

Testing the accuracy of ABA, ABOx-SC and HyPy charcoal pretreatment methods against the Campanian Ignimbrite. With Snape, C.E., Meredith, W. (Nottingham), Higham, T.F., Wood, R., Brock, F., and Douka, K. (Oxford). (ORADS-NERC). £14,040. 2009.

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

Lake Myvatn Freshwater Reservoir Effect. (SUERC AMS steering committee.) £14,560. 2009.

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

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

Marine Radiocarbon Reservoir Effects (MRE) in Archaeology: Temporal and Spatial Changes Through The Holocene Within the UK Coastal Environment. With Cook, G. (SUERC) and Dugmore, A. (Edinburgh). (NERC CASE PhD studentship NE/F002211/1, Industrial partner: 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. With Bird, M.I. (St. Andrews) and Snape, C.E. (Nottingham). (ORADS-NERC). £7425. 2007.

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

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

For attendance and presentation of an oral paper at the 19th International Radiocarbon conference, University of Oxford, UK. (Royal Scottish Geographical Society Conference Grant). £500. 2006.

For attendance and presentation of an oral paper at the 10th AMS conference, University of California, Berkley, U.S.A. (Scottish Universities International Travel Fund). £1500. 2005.

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

Supervision

  • Jessica Bownes (PhD candidate, current) Reassessing the Scottish Mesolithic-Neolithic transition: Questions of diet and timing.
  • Nadilla Alimu (MSc candidate, completed 2012) Isotope Visualization of the North Atlantic Region linked to Multinational Archaeological Research Focusing on the Norse and Medieval Periods.
  • Nicola Russell (PhD candidate, completed 2011). Marine Radiocarbon Reservoir Effects: Temporal and Spatial Changes in the UK Coastal Environment.

Teaching

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

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

Environmental Chemistry degree program, School of Chemistry, University of Glasgow. Honours option module: Isotope Geochemistry.

Environmental Chemistry degree program, School of Chemistry, University of Glasgow. Honours option module: Radiochemistry.

Additional information

Professional Affiliations

Member of the European Association of Archaeologists

Member of the Royal Society of Chemistry

Fellow of the Society of Antiquaries of Scotland

The Quaternary Research Association

Publications

List by: Type | Date

Jump to: 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004
Number of items: 45.

2016

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 Thu Sep 29 03:15:00 2016 BST.
Number of items: 45.

Articles

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 Thu Sep 29 03:15:00 2016 BST.