Zobrazeno 1 - 10 of 65 pro vyhledávání: '"Tim H.E. Heaton"'
1
Determining the impact of riparian wetlands on nutrient cycling, storage and export in permeable agricultural catchments
Autor: Hannah Prior, Tim H.E. Heaton, Paul Shand, Daren C. Gooddy, Penny J Johnes, Andrew Binley, Michael P. Kennedy
Publikováno v: Johnes, P J, Gooddy, D, Heaton, T H E, Binley, A, Kennedy, M P, Shand, P & Prior, H 2020, ' Determining the impact of riparian wetlands on nutrient cycling, storage and export in permeable agricultural catchments ', Water, vol. 12, no. 1, w12010167 . https://doi.org/10.3390/w12010167
Water, Vol 12, Iss 1, p 167 (2020)
Water
Volume 12
Issue 1
Water, Vol 12, Iss 1859, p 1859 (2020)
The impact of riparian wetlands on the cycling, retention and export of nutrients from land to water varies according to local environmental conditions and is poorly resolved in catchment management approaches. To determine the role a specific wetlan
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7e25fabe114dbc35cf977b2b5f9ed83a
https://research-information.bris.ac.uk/ws/files/219487030/Full_text_PDF_final_published_version_.pdf
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2
Origin and temporal variability of unusually lowδ13C-DOC values in two High Arctic catchments
Autor: Tim H.E. Heaton, Ruth S. Hindshaw, Melody R. Lindsay, Stefano M. Bernasconi, Eric S. Boyd, Susan Q. Lang
Publikováno v: Journal of Geophysical Research: Biogeosciences. 121:1073-1085
The stable carbon isotopic composition of dissolved organic matter (δ13C-DOC) reveals information about its source and extent of biological processing. Here we report the lowest δ13C-DOC values (−43.8‰) measured to date in surface waters. The s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b6a2805f738d257c35177b65be94b96e
https://doi.org/10.1002/2015jg003303
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3
A multi-stable isotope framework to understand eutrophication in aquatic ecosystems
Autor: Tim H.E. Heaton, Peter Williams, Sarah A. Bennett, Benjamin William James Surridge, Dan Lapworth, Daren C. Gooddy
Publikováno v: Water Research. 88:623-633
Eutrophication is a globally significant challenge facing aquatic ecosystems, associated with human induced enrichment of these ecosystems with nitrogen (N) and phosphorus (P). However, the limited availability of inherent labels for P and N has cons
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::27866329656dbcd92978336f31f595bc
https://doi.org/10.1016/j.watres.2015.10.046
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4
Influence of glaciation on mechanisms of mineral weathering in two high Arctic catchments
Autor: Edward T. Tipper, Tim H.E. Heaton, Eric S. Boyd, Melody R. Lindsay, Ruth S. Hindshaw
Publikováno v: Chemical Geology
This project was funded by a Swiss National Science Foundation fellowship for prospective researchers PBEZP2-137335 and a Marie Curie Intra-European Fellowship (PIEF-GA-2012-331501) to RSH. Fieldwork was supported by an Arctic Field Grant 219165/E10
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::761ccf7f9178594ef802303aef35a917
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6
Preservation and interpretation of δ34S values in charred archaeobotanical remains
Autor: Tim H.E. Heaton, A. López‐Piñeiro, E. Moreno‐Jiménez, Rebecca Fraser, Angela L. Lamb, Gideon Hartman, D. Peña‐Abades, J. Eriksen, Petra Vaiglova, Andrew Fairbairn, Amy Bogaard, Erika Nitsch
Publikováno v: Nitsch, E K, Lamb, A L, Heaton, T H E, Vaiglova, P, Fraser, R, Hartman, G, Moreno-Jiménez, E, López-Piñeiro, A, Peña-Abades, D, Fairbairn, A, Eriksen, J & Bogaard, A 2019, ' The Preservation and Interpretation of δ 34 S Values in Charred Archaeobotanical Remains ', Archaeometry, vol. 61, no. 1, pp. 161-178 . https://doi.org/10.1111/arcm.12388
The measurement of sulphur isotope (δ34S) values in charred plant remains has the potential to inform understanding of the spatial configuration and ecology of crop production. We investigated the effects of charring, manuring, oxidation and anaerob
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fb1cc67e9082cd21da31989d50c0000c
http://ora.ox.ac.uk/objects/uuid:
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7
Isotopic evidence for the occurrence of biological nitrification and nitrogen deposition processing in forest canopies
Autor: Tim H.E. Heaton, Greg Michalski, Elena Vanguelova, Maurizio Mencuccini, Rossella Guerrieri
Publikováno v: Global Change Biology. 21:4613-4626
This study examines the role of tree canopies in processing atmospheric nitrogen (N-dep) for four forests in the United Kingdom subjected to different N-dep: Scots pine and beech stands under high N-dep (HN, 13-19kgNha(-1)yr(-1)), compared to Scots p
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5e532f890754da17fdf55e541da1648d
https://doi.org/10.1111/gcb.13018
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8
Oxygen isotopes in tree rings show good coherence between species and sites in Bolivia
Autor: Gerhard Helle, Tim H.E. Heaton, Manuel Gloor, Melanie J. Leng, Jessica C. A. Baker, Sarah F.P. Hunt, Simon H. Bottrell, Roel J. W. Brienen, J. Argollo, Santiago Clerici, Robert J. Newton
Publikováno v: Global and Planetary Change
A tree ring oxygen isotope (δ18OTR) chronology developed from one species (Cedrela odorata) growing in a single site has been shown to be a sensitive proxy for rainfall over the Amazon Basin, thus allowing reconstructions of precipitation in a regio
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::98b08f09d556cdad450c15af4b3e374b
https://doi.org/10.1016/j.gloplacha.2015.09.008
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9
The effect of charring and burial on the biochemical composition of cereal grains: investigating the integrity of archaeological plant material
Autor: Tim H.E. Heaton, Rebecca Fraser, Michael Charles, Amy Styring, H. Manning, Michael Wallace, Glynis Jones, Amy Bogaard, Richard P. Evershed
Publikováno v: Journal of Archaeological Science. 40:4767-4779
Stable isotope analysis of charred archaeobotanical cereal grains has the potential to provide direct evidence of crop growing conditions in the past and to refine palaeodietary predictions. If isotope values of archaeobotanical material are to be co
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ef858427936066ff2c6389b27a03af1a
https://doi.org/10.1016/j.jas.2013.03.024
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10
Integrating botanical, faunal and human stable carbon and nitrogen isotope values to reconstruct land use and palaeodiet at LBK Vaihingen an der Enz, Baden-Württemberg
Autor: Rose-Marie Arbogast, Tim H.E. Heaton, Rebecca Fraser, Marguerita Schäfer, Amy Bogaard
Publikováno v: World Archaeology. 45:492-517
In this paper we reconstruct the palaeodietary setting of LBK Vaihingen an der Enz, south-west Germany (later sixth millennium cal. bc) using δ13C and δ15N values of human and faunal bone collagen and of charred plant remains from cereal crops (e.g
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2ed5301d3fabb89ba42c6fd271dcaf6b
https://doi.org/10.1080/00438243.2013.820649
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