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Items where NERC Author is "Heaton, Timothy"

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Number of items: 34.

Publication - Article

Evans, Chris D.; Chadwick, Tom; Norris, David; Rowe, Edwin C.; Heaton, Tim H.E.; Brown, Philip; Battarbee, Richard W.. 2014 Persistent surface water acidification in an organic soil-dominated upland region subject to high atmospheric deposition: the North York Moors, UK. Ecological Indicators, 37 (B). 304-316. 10.1016/j.ecolind.2012.02.018

Fraser, R.A.; Bogaard, A.; Charles, M.; Styring, A.K.; Wallace, M.; Jones, G.; Ditchfield, P.; Heaton, T.H.E.. 2013 Assessing natural variation and the effects of charring, burial and pre-treatment on the stable carbon and nitrogen isotope values of archaeobotanical cereals and pulses. Journal of Archaeological Science, 40 (12). 4754-4766. 10.1016/j.jas.2013.01.032

Bogaard, A.; Fraser, R.; Heaton, T.H.E.; Wallace, M.; Vaiglova, P.; Charles, M.; Jones, G.; Evershed, R.P.; Styring, A.K.; Andersen, N.H.; Arbogast, R.-M.; Bartosiewicz, L.; Gardeisen, A.; Kanstrup, M.; Maier, U.; Marinova, E.; Ninov, L.; Schafer, M.; Stephan, E.. 2013 Crop manuring and intensive land management by Europe's first farmers. Proceedings of the National Academy of Sciences, 110 (31). 12589-12594. 10.1073/pnas.1305918110

Wallace, M.; Jones, G.; Charles, M.; Fraser, R.; Halstead, P.; Heaton, T.H.E.; Bogaard, A.. 2013 Stable carbon isotope analysis as a direct means of inferring crop water status and water management practices. World Archaeology, 45 (3). 388-409. 10.1080/00438243.2013.821671

Ansari, A.H.; Hodson, A.J.; Heaton, T.H.E.; Kaiser, J.; Marca-Bell, Alina. 2013 Stable isotopic evidence for nitrification and denitrification in a High Arctic glacial ecosystem. Biogeochemistry, 113 (1-3). 341-357. 10.1007/s10533-012-9761-9

Lapworth, Dan J.; Gooddy, Daren C.; Kent, Flo; Heaton, Tim H.E.; Cole, Steven J.; Allen, Debbie. 2013 A combined geochemical and hydrological approach for understanding macronutrient sources. Journal of Hydrology, 500. 226-242. 10.1016/j.jhydrol.2013.07.006

Styring, A.K.; Manning, H.; Fraser, R.A.; Wallace, M.; Jones, G.; Charles, M.; Heaton, T.H.E.; Bogaard, A.; Evershed, R.P.. 2013 The effect of charring and burial on the biochemical composition of cereal grains: investigating the integrity of archaeological plant material. Journal of Archaeological Science, 40 (12). 4767-4779. 10.1016/j.jas.2013.03.024

Curtis, Chris J.; Heaton, Timothy H.E.; Simpson, Gavin L.; Evans, Chris D.; Shilland, James; Turner, Simon. 2012 Dominance of biologically produced nitrate in upland waters of Great Britain indicated by stable isotopes. Biogeochemistry, 111 (1-3). 535-554. 10.1007/s10533-011-9686-8

Woodley, E.J.; Loader, N.J.; McCarroll, D.; Young, G.H.F.; Robertson, I.; Heaton, T.H.E.; Gagen, M.H.. 2012 Estimating uncertainty in pooled stable isotope time-series from tree-rings. Chemical Geology, 294-295. 243-248. 10.1016/j.chemgeo.2011.12.008

Woodley, Ewan J.; Loader, Neil J.; McCarroll, Danny; Young, Giles H.F.; Robertson, Iain; Heaton, Timothy H.E.; Gagen, Mary H.; Warham, Joseph O.. 2012 High-temperature pyrolysis/gas chromatography/isotope ratio mass spectrometry : simultaneous measurement of the stable isotopes of oxygen and carbon in cellulose. Rapid Communications in Mass Spectrometry, 26 (2). 109-114. 10.1002/rcm.5302

Heaton, Tim H.E.; Stuart, Marianne E.; Sapiano, Manuel; Sultana, Miriam Micallef. 2012 An isotope study of the sources of nitrate in Malta’s groundwater. Journal of Hydrology, 414-415. 244-254. 10.1016/j.jhydrol.2011.10.037

Brodie, Chris R.; Casford, James S.L.; Lloyd, Jeremy M.; Leng, Melanie J.; Heaton, Tim H.E.; Kendrick, Christopher P.; Yongqiang, Zong. 2011 Evidence for bias in C/N, δ13C and δ15N values of bulk organic matter, and on environmental interpretation, from a lake sedimentary sequence by pre-analysis acid treatment methods. Quaternary Science Reviews, 30 (21-22). 3076-3087. 10.1016/j.quascirev.2011.07.003

Brodie, Chris R.; Heaton, Tim H.E.; Leng, Melanie J.; Kendrick, Christopher P.; Casford, James S.L.; Lloyd, Jeremy M.. 2011 Evidence for bias in measured [delta]15N values of terrestrial and aquatic organic materials due to pre-analysis acid treatment methods. Rapid Communications in Mass Spectrometry, 25 (8). 1089-1099. 10.1002/rcm.4970

Fraser, Rebecca A.; Bogaard, Amy; Heaton, Tim; Charles, Michael; Jones, Glynis; Christensen, Bent T.; Halstead, Paul; Merbach, Ines; Poulton, Paul R.; Sparkes, Debbie; Styring, Amy K.. 2011 Manuring and stable nitrogen isotope ratios in cereals and pulses : towards a new archaeobotanical approach to the inference of land use and dietary practices. Journal of Archaeological Science, 38 (10). 2790-2804. 10.1016/j.jas.2011.06.024

Curtis, Chris J.; Evans, Chris D.; Goodale, Christine L.; Heaton, Tim H.E.. 2011 What have stable isotope studies revealed about the nature and mechanisms of N saturation and nitrate leaching from semi-natural catchments? Ecosystems, 14 (6). 1021-1037. 10.1007/s10021-011-9461-7

Stuart, M.E.; Maurice, L.; Heaton, T.H.E.; Sapiano, M.; Micallef Sultana, M.; Gooddy, D.C.; Chilton, P.J.. 2010 Groundwater residence time and movement in the Maltese islands : a geochemical approach. Applied Geochemistry, 25 (5). 609-620. 10.1016/j.apgeochem.2009.12.010

Granger, Steven J.; Bol, Roland; Meier-Augenstein, Wolfram; Leng, Melanie J.; Kemp, Helen F.; Heaton, Tim H.E.; White, Sue M.. 2010 The hydrological response of heavy clay grassland soils to rainfall in south-west England using δ2H. Rapid Communications in Mass Spectrometry, 24 (5). 475-482. 10.1002/rcm.4281

Hodson, Andy; Heaton, Tim; Langford, Harry; Newsham, Kevin. 2010 Chemical weathering and solute export by meltwater in a maritime Antarctic glacier basin. Biogeochemistry, 98 (1-3). 9-27. 10.1007/s10533-009-9372-2

Vane, C.H.; Kim, A.W.; McGowan, S.; Leng, M.J.; Heaton, T.H.E.; Kendrick, C.P.; Coombs, P.; Yang, H.; Swann, G.E.A.. 2010 Sedimentary records of sewage pollution using faecal markers in contrasting peri-urban shallow lakes. Science of the Total Environment, 409 (2). 345-356. 10.1016/j.scitotenv.2010.09.033

Johnson, Andrew L.A.; Hickson, Jonathan A.; Bird, Annemarie; Schone, Bernd R.; Balson, Peter S.; Heaton, Timothy H.E.; Williams, Mark. 2009 Comparative sclerochronology of modern and mid-Pliocene (c. 3.5 Ma) Aequipecten opercularis (Mollusca, Bivalvia) : an insight into past and future climate change in the North-East Atlantic region. Palaeogeography, Palaeoclimatology, Palaeoecology, 284 (3-4). 164-179. 10.1016/j.palaeo.2009.09.022

Heaton, T.H.E.; Jones, Glynis; Halstead, Paul; Tsipropoulos, Taxiarchis. 2009 Variations in the 13C/12C ratios of modern wheat grain, and implications for interpretating data from Bronze Age Assiros Toumba, Greece. Journal of Archaeological Science, 36 (10). 2224-2233. 10.1016/j.jas.2009.06.007

Granger, S.J.; Heaton, Timothy; Bol, R.; Bilotta, G.S.; Butler, P.; Haygarth, P.M.; Owens, P.N.. 2008 Using [delta]15N and [delta] 18O to evaluate the sources and pathways of NO-3 in rainfall event discharge from drained agricultural grassland lysimeters at high temporal resolutions. Rapid Communications in Mass Spectrometry, 22. 1681-1689. 10.1002/rcm.3505

Tye, Andrew; Heaton, Timothy. 2007 Chemical and isotopic characteristics of weathering and nitrogen release in non-glacial drainage waters on Arctic tundra. Geochimica et Cosmochimica Acta, 71 (17). 4188-4205. 10.1016/j.gca.2007.06.040

Bol, Roland; Marsh, Jen; Heaton, Tim H.E.. 2007 Multiple stable isotope (18O, 13C, 15N and 34S) analysis of human hair to identify the recent migrants in a rural community in SW England. Rapid Communications in Mass Spectrometry, 21. 2951-2954. 10.1002/rcm.3168

Wynn, P.M.; Hodson, A.J.; Heaton, Timothy; Chenery, Simon. 2007 Nitrate production beneath a High Arctic glacier, Svalbard. Chemical Geology, 244 (1-2). 88-102. 10.1016/j.chemgeo.2007.06.008

Holmes, J.A.; Darbyshire, D.P.F.; Heaton, Timothy. 2007 Palaeohydrological significance of Late Quaternary strontium isotope ratios in a tropical lake. Chemical Geology, 236 (3-4). 281-290. 10.1016/j.chemgeo.2006.10.002

Mather, T.A.; McCabe, J.R.; Rai, V.K.; Thiemens, M.H.; Pyle, D.M.; Heaton, T.H.E.; Sloane, H.J.; Fern, G.R.. 2006 Oxygen and sulfur isotopic composition of volcanic sulfate aerosol at the point of emission. Journal of Geophysical Research, 111, D18205. 10.1029/2005JD006584

Papadimitriou, S.; Kennedy, H.; Rodrigues, R.M.N.V.; Kennedy, D.P.; Heaton, Timothy. 2006 Using variation in the chemical and stable isotopic composition of Zostera noltii to assess nutrient dynamics in a temperate seagrass meadow. Organic Geochemistry, 37. 1343-1358. /10.1016/j.orggeochem.2006.01.007

Birchall, Jennifer; O'Connell, Tamsin C.; Heaton, Tim H.E.; Hedges, Robert E.M.. 2005 Hydrogen isotope ratios in animal body protein reflect trophic level. Journal of Animal Ecology, 74 (5). 877-881. 10.1111/j.1365-2656.2005.00979.x

Heaton, T.H.E.; Trick, J.K.; Williams, G.M.. 2005 Isotope and dissolved gas evidence for nitrogen attenuation in landfill leachate dispersing into a chalk aquifer. Applied Geochemistry, 20 (5). 933-945. 10.1016/j.apgeochem.2004.12.004

Publication - Conference Item

Granger, Steve J.; Heaton, Timothy; Bol, R.; Gooddy, Daren; Lapworth, Dan. 2012 The oxygen isotope composition of phosphate : a potential tool in U.K. freshwater studies? In: Development of Isotopic Tracers for a Better Understanding of the Phosphorus Cycle, Ascona, Switzerland, 24-29 June 2012. 62. (Unpublished)

Heaton, Timothy; Stuart, Marianne; Sapiano, M.; Micallef Sultana, M.. 2010 Isotope tracing of nitrate : lessons from Malta. [Lecture] In: SIMSUG 2010, Exeter, UK, 28-30 April 2010.

Publication - Report

Curtis, Chris; Simpson, Gavin; Heaton, Tim; Maberly, Stephen; Evans, Chris; Feuchtmayr, Heidrun; Shilland, James; Turner, Simon; Kernan, Martin; Jones, Tim; Burden, Annette; Shilland, Ewan. 2010 Freshwater Umbrella third Annual Report October 2010. UCL, 122pp. (CEH Project Number: C03639) (Unpublished)

Curtis, Chris; Simpson, Gavin; Shilland, James; Turner, Simon; Kernan, Martin; Monteith, Donald; Rose, Neil; Evans, Chris; Norris, David; Rowe, Edwin; Emmett, Bridget; Sowerby, Alwyn; Heaton, Tim; Maberly, Stephen; Ostle, Nick; Grant, Helen. 2007 Defra Freshwater Umbrella Programme - Final Report. Freshwater Umbrella - the effects of nitrogen deposition and climate change on freshwaters in the UK. Final report. London, UCL Environmental Change Centre, 221pp. (UCL Research Report 115)

This list was generated on Sat Sep 20 12:06:33 2014 BST.