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Dr Thomas Roland

Dr Thomas Roland

Lecturer and Research Fellow

 2494

 Amory C249b

 

Amory Building, University of Exeter, Rennes Drive, Exeter, EX4 4RJ , UK

 Office hours:

Office hours 

Term 3, Week 2:

Tuesday 13:00-14:00

Wednesday 13:00-14:00

Overview

Having trained as a palaeoecologist, my primary research interest is the relationship between ecosystems and environmental change over long-term timescales. Currently, my research focuses on peatlands and how they can be used as palaeoenvironmental archives to answer questions about climate change in the past, present and future. In attempting to tackle these questions I have also developed interests in stable isotope geochemistry, geochronology (radiocarbon, short-lived radioisotopes, tephra) and carbon and nutrient dynamics. 

I have a particular interest in the peat-forming systems and palaeoclimatology of the Southern Hemisphere and I am currently working on records from the Antarctic Peninsula, New Zealand and Southern Patagonia.

Career

Lecturer, University of Exeter (2017-present)

Research Fellow, University of Exeter (2014-present)
NERC Antarctic Funding Initiative – ‘Terrestrial Holocene climate variability on the Antarctic Peninsula’

Research Fellow, University of Southampton (2012-2014)
NERC-funded PATAGON project – ‘Palaeoclimate reconstructions from Tierra del Fuego to detect land-ocean-atmosphere interactions’

Qualifications

PhD in Geography, University of Exeter (2008-2012)
NERC-funded PhD studentship – ‘Was there a 4.2 kyr event in Great Britain and Ireland? Evidence from the peatland record’. Supervised by Profs. Dan Charman, Chris Caseldine and Chris Turney.

MSc in Quaternary Science (Distinction), Royal Holloway and UCL, University of London (2006-2007)
NERC-funded Master’s studentship
Highest average grade and winner of the 2007 Quaternary Science Reviews/Elsevier Prize for Top Student.

BSc (Hons.) in Geography (First Class), University of Exeter (2003-2006)

Links

Research group links

Research

Research interests

  • Peatland ecology and palaeoecology including the analysis of testate amoebae, plant macrofossils and pollen
  • Statistical analysis of palaeoecological data
  • Peatland carbon and nutrient dynamics
  • Late-Quaternary palaeoclimatology
  • Tephrostratigraphy and tephrochronology
  • Age-depth modelling in peatlands (radiocarbon, short-lived radioisotopes and tephra) using a range of statistical techniques
  • Environmental archaeology

Research projects

'Holocene evolution of the Southern Annular Mode using novel peat isotope proxies'

With Dan Charman and Matt Amesbury at the University of Exeter. Funded by the Leverhulme Trust.

This project aims to reconstruct long-term variability in the Southern Annular Mode, a key component of the Southern Hemisphere's climate system. Using peatland records from across New Zealand, we'll employ a range of palaeoenvironmental techniques, including a novel stable isotopic approach recently developed here at Exeter, to look for links between changes in climate in the Southern Hemisphere and the tropics, as well as inter-hemispheric teleconnections. 

‘Terrestrial Holocene climate variability on the Antarctic Peninsula’

With Dan Charman and Matt Amesbury at the University of Exeter. Funded by the NERC Antarctic Funding Initiative.

Together with colleagues from the British Antarctic Survey and the University of Cambridge, we aim to provide a longer term context for the rapid environmental changes recently witnessed on the Antarctic Peninsula. This involves the analysis of moss bank records using a multi-proxy palaeoecological and geochemical approach (testate amoebae, stable isotopes), supported by radiocarbon, lead-210 and tephra derived chronologies. Visit the project website here.

‘Palaeoclimate reconstructions from Tierra del Fuego to detect land-ocean-atmosphere interactions’

With Paul Hughes at University of Southampton. Funded by NERC.

Working with colleagues from the Universities of Aberdeen, Swansea and Plymouth, the PATAGON project aims to develop a new regional network of proxy archives and create quantitative climate reconstructions for southern South America spanning the last ~2000 years, based on the multi-proxy palaeoecological (plant macrofossils, testate amoebae) and geochemical analysis of the Sphagnum-dominated peat deposits of southern Patagonia. Visit the project website here.

Publications

Key publications | Publications by category | Publications by year

Publications by category


Journal articles

Royles J, Amesbury MJ, Roland TP, Jones GD, Convey P, Griffiths H, Hodgson DA, Charman DJ (In Press). Moss stable isotopes (carbon-13, oxygen-18) and testate amoebae reflect environmental inputs and microclimate along a latitudinal gradient on the Antarctic Peninsula. Oecologia, 181(3), 931-945. Abstract.  Author URL.  Full text.
Charman D, Amesbury MJ, Roland TP, Royles J, Hodgson DA, Convey P, Griffiths H (In Press). Spatially coherent late-Holocene Antarctic Peninsula surface air temperature variability. Geology Full text.
Roland TP, Amesbury MJ, Wilkinson DM, Charman DJ, Convey P, Hodgson DA, Royles J, Clauß S, Völcker E (In Press). Taxonomic Implications of Morphological Complexity Within the Testate Amoeba Genus Corythion from the Antarctic Peninsula. Protist, 168(5), 565-585. Abstract.  Author URL.  Full text.
Gallego-Sala AV, Charman D, Brewer S, Page SE, Prentice IC, Friedlingstein P, Moreton S, Amesbury MJ, Beilman DW, Björck S, et al (2018). Latitudinal limits to the predicted increase of the peatland carbon sink with warming. Nature Climate Change, 8, 907-913. Full text.
Amesbury MJ, Booth RK, Roland TP, Bunbury J, Clifford MJ, Charman DJ, Elliot S, Finkelstein S, Garneau M, Hughes PDM, et al (2018). Towards a Holarctic synthesis of peatland testate amoeba ecology: Development of a new continental-scale palaeohydrological transfer function for North America and comparison to European data. Quaternary Science Reviews, 201, 483-500. Abstract.  Full text.
van Bellen S, Mauquoy D, Payne RJ, Roland TP, Hughes PDM, Daley TJ, Loader NJ, Street-Perrott FA, Rice EM, Pancotto VA, et al (2017). An alternative approach to transfer functions? Testing the performance of a functional trait-based model for testate amoebae. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY, 468, 173-183. Author URL.  Full text.
Swindles GT, Morris PJ, Whitney B, Galloway JM, Gałka M, Gallego-Sala AV, Macumber AL, Mullan D, Smith MW, Amesbury MJ, et al (2017). Ecosystem state shifts during long-term development of an Amazonian peatland. Global Change Biology Abstract.  Full text.
Gałka M, Szal M, Watson EJ, Gallego-Sala A, Amesbury MJ, Charman DJ, Roland TP, Edward Turner T, Swindles GT (2017). Vegetation Succession, Carbon Accumulation and Hydrological Change in Subarctic Peatlands, Abisko, Northern Sweden. Permafrost and Periglacial Processes, 28(4), 589-604. Abstract.  Full text.
Amesbury MJ, Roland TP, Royles J, Hodgson DA, Convey P, Griffiths H, Charman DJ (2017). Widespread Biological Response to Rapid Warming on the Antarctic Peninsula. Curr Biol, 27(11), 1616-1622.e2. Abstract.  Author URL.  Full text.
Amesbury MJ, Swindles GT, Bobrov A, Charman DJ, Holden J, Lamentowicz M, Mallon G, Mazei Y, Mitchell EAD, Payne RJ, et al (2016). Development of a new pan-European testate amoeba transfer function for reconstructing peatland palaeohydrology. Quaternary Science Reviews, 152, 132-151. Abstract.  Full text.
van Bellen S, Mauquoy D, Hughes PDM, Roland TP, Daley TJ, Loader NJ, Street-Perrott FA, Rice EM, Pancotto VA, Payne RJ, et al (2016). Late-Holocene climate dynamics recorded in the peat bogs of Tierra del Fuego, South America. HOLOCENE, 26(3), 489-501. Author URL.
Loader NJ, Street-Perrott FA, Mauquoy D, Roland TP, van Bellen S, Daley TJ, Davies D, Hughes PDM, Pancotto VO, Young GHF, et al (2016). Measurements of hydrogen, oxygen and carbon isotope variability in Sphagnum moss along a micro-topographical gradient in a southern Patagonian peatland. Journal of Quaternary Science, 31(4), 426-435. Abstract.  Full text.
Amesbury MJ, Charman DJ, Newnham RM, Loader NJ, Goodrich J, Royles J, Campbell DI, Keller ED, Baisden WT, Roland TP, et al (2015). Can oxygen stable isotopes be used to track precipitation moisture source in vascular plant-dominated peatlands?. Earth and Planetary Science Letters, 430, 149-159. Abstract.
Amesbury MJ, Charman DJ, Newnham RM, Loader NJ, Goodrich JP, Royles J, Campbell DI, Roland TP, Gallego-Sala A (2015). Carbon stable isotopes as a palaeoclimate proxy in vascular plant dominated peatlands. Geochimica et Cosmochimica Acta, 164, 161-174. Abstract.
Swindles GT, Amesbury MJ, Turner TE, Carrivick JL, Woulds C, Raby C, Mullan D, Roland TP, Galloway JM, Parry L, et al (2015). Evaluating the use of testate amoebae for palaeohydrological reconstruction in permafrost peatlands. Palaeogeography, Palaeoclimatology, Palaeoecology, 424, 111-122. Abstract.
Loader NJ, Street-Perrott FA, Daley TJ, Hughes PDM, Kimak A, Levanič T, Mallon G, Mauquoy D, Robertson I, Roland TP, et al (2015). Simultaneous determination of stable carbon, oxygen, and hydrogen isotopes in cellulose. Analytical Chemistry, 87(1), 376-380. Abstract.
Roland TP, Mackay H, Hughes PDM (2015). Tephra analysis in ombrotrophic peatlands: a geochemical comparison of acid digestion and density separation techniques. JOURNAL OF QUATERNARY SCIENCE, 30(1), 3-8. Author URL.
Roland TP, Daley TJ, Caseldine CJ, Charman DJ, Turney CSM, Amesbury MJ, Thompson GJ, Woodley EJ (2015). The 5.2 ka climate event: Evidence from stable isotope and multi-proxy palaeoecological peatland records in Ireland. Quaternary Science Reviews, 124, 209-223. Abstract.  Full text.
Swindles GT, Morris PJ, Mullan D, Watson EJ, Turner E, Roland TP, Amesbury MJ, Kokfelt U, Schoning K, Pratte S, et al (2015). The long-term fate of permafrost peatlands under rapid climate warming. Scientific Reports, 5 Abstract.  Full text.
De Vleeschouwer F, Vanneste H, Mauquoy D, Piotrowska N, Torrejón F, Roland TP, Stein A, Le Roux G (2014). Emissions from Pre-Hispanic Metallurgy in the South American Atmosphere. PLoS One, 10(9). Author URL.  Full text.
Seddon AWR, Mackay AW, Baker AG, Birks HJB, Breman E, Buck CE, Ellis EC, Froyd CA, Gill JL, Gillson L, et al (2014). Looking forward through the past: Identification of 50 priority research questions in palaeoecology. Journal of Ecology, 102(1), 256-267. Abstract.
Hughes PDM, Roland TP, Mauquoy D (2014). Peatlands and carbon credits: natural and anthropogenic threats to the carbon stock. Carbon Management
Van Bellen S, Mauquoy D, Payne RJ, Roland TP, Daley TJ, Hughes PDM, Loader NJ, Street-Perrott FA, Rice EM, Pancotto VA, et al (2014). Testate amoebae as a proxy for reconstructing Holocene water table dynamics in southern Patagonian peat bogs. Journal of Quaternary Science, 29(5), 463-474. Abstract.
Roland TP, Caseldine CJ, Charman DJ, Turney CSM, Amesbury MJ (2014). Was there a '4.2ka event' in Great Britain and Ireland? Evidence from the peatland record. Quaternary Science Reviews, 83, 11-27. Abstract.  Full text.
Swindles GT, Lawson IT, Matthews IP, Blaauw M, Daley TJ, Charman DJ, Roland TP, Plunkett G, Schettler G, Gearey BR, et al (2013). Centennial-scale climate change in Ireland during the Holocene. Earth-Science Reviews, 126, 300-320. Abstract.
Roland T (2013). Letters from patagonia. Planet Earth(AUTUMN), 24-26. Abstract.
Daley TJ, Mauquoy D, Chambers FM, Street-Perrott FA, Hughes PDM, Loader NJ, Roland TP, Van Bellen S, Garcia-Meneses P, Lewin S, et al (2012). Investigating late Holocene variations in hydroclimate and the stable isotope composition of precipitation using southern South American peatlands: an hypothesis. Climate of the Past, 8(5), 1457-1471. Abstract.
Fyfe RM, Brück J, Johnston R, Lewis H, Roland TP, Wickstead H (2008). Historical context and chronology of Bronze Age land enclosure on Dartmoor, UK. Journal of Archaeological Science, 35(8), 2250-2261. Abstract.

Publications by year


In Press

Royles J, Amesbury MJ, Roland TP, Jones GD, Convey P, Griffiths H, Hodgson DA, Charman DJ (In Press). Moss stable isotopes (carbon-13, oxygen-18) and testate amoebae reflect environmental inputs and microclimate along a latitudinal gradient on the Antarctic Peninsula. Oecologia, 181(3), 931-945. Abstract.  Author URL.  Full text.
Charman D, Amesbury MJ, Roland TP, Royles J, Hodgson DA, Convey P, Griffiths H (In Press). Spatially coherent late-Holocene Antarctic Peninsula surface air temperature variability. Geology Full text.
Roland TP, Amesbury MJ, Wilkinson DM, Charman DJ, Convey P, Hodgson DA, Royles J, Clauß S, Völcker E (In Press). Taxonomic Implications of Morphological Complexity Within the Testate Amoeba Genus Corythion from the Antarctic Peninsula. Protist, 168(5), 565-585. Abstract.  Author URL.  Full text.

2018

Gallego-Sala AV, Charman D, Brewer S, Page SE, Prentice IC, Friedlingstein P, Moreton S, Amesbury MJ, Beilman DW, Björck S, et al (2018). Latitudinal limits to the predicted increase of the peatland carbon sink with warming. Nature Climate Change, 8, 907-913. Full text.
Amesbury MJ, Booth RK, Roland TP, Bunbury J, Clifford MJ, Charman DJ, Elliot S, Finkelstein S, Garneau M, Hughes PDM, et al (2018). Towards a Holarctic synthesis of peatland testate amoeba ecology: Development of a new continental-scale palaeohydrological transfer function for North America and comparison to European data. Quaternary Science Reviews, 201, 483-500. Abstract.  Full text.

2017

van Bellen S, Mauquoy D, Payne RJ, Roland TP, Hughes PDM, Daley TJ, Loader NJ, Street-Perrott FA, Rice EM, Pancotto VA, et al (2017). An alternative approach to transfer functions? Testing the performance of a functional trait-based model for testate amoebae. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY, 468, 173-183. Author URL.  Full text.
Swindles GT, Morris PJ, Whitney B, Galloway JM, Gałka M, Gallego-Sala AV, Macumber AL, Mullan D, Smith MW, Amesbury MJ, et al (2017). Ecosystem state shifts during long-term development of an Amazonian peatland. Global Change Biology Abstract.  Full text.
Gałka M, Szal M, Watson EJ, Gallego-Sala A, Amesbury MJ, Charman DJ, Roland TP, Edward Turner T, Swindles GT (2017). Vegetation Succession, Carbon Accumulation and Hydrological Change in Subarctic Peatlands, Abisko, Northern Sweden. Permafrost and Periglacial Processes, 28(4), 589-604. Abstract.  Full text.
Amesbury MJ, Roland TP, Royles J, Hodgson DA, Convey P, Griffiths H, Charman DJ (2017). Widespread Biological Response to Rapid Warming on the Antarctic Peninsula. Curr Biol, 27(11), 1616-1622.e2. Abstract.  Author URL.  Full text.

2016

Amesbury MJ, Swindles GT, Bobrov A, Charman DJ, Holden J, Lamentowicz M, Mallon G, Mazei Y, Mitchell EAD, Payne RJ, et al (2016). Development of a new pan-European testate amoeba transfer function for reconstructing peatland palaeohydrology. Quaternary Science Reviews, 152, 132-151. Abstract.  Full text.
van Bellen S, Mauquoy D, Hughes PDM, Roland TP, Daley TJ, Loader NJ, Street-Perrott FA, Rice EM, Pancotto VA, Payne RJ, et al (2016). Late-Holocene climate dynamics recorded in the peat bogs of Tierra del Fuego, South America. HOLOCENE, 26(3), 489-501. Author URL.
Loader NJ, Street-Perrott FA, Mauquoy D, Roland TP, van Bellen S, Daley TJ, Davies D, Hughes PDM, Pancotto VO, Young GHF, et al (2016). Measurements of hydrogen, oxygen and carbon isotope variability in Sphagnum moss along a micro-topographical gradient in a southern Patagonian peatland. Journal of Quaternary Science, 31(4), 426-435. Abstract.  Full text.

2015

Amesbury MJ, Charman DJ, Newnham RM, Loader NJ, Goodrich J, Royles J, Campbell DI, Keller ED, Baisden WT, Roland TP, et al (2015). Can oxygen stable isotopes be used to track precipitation moisture source in vascular plant-dominated peatlands?. Earth and Planetary Science Letters, 430, 149-159. Abstract.
Amesbury MJ, Charman DJ, Newnham RM, Loader NJ, Goodrich JP, Royles J, Campbell DI, Roland TP, Gallego-Sala A (2015). Carbon stable isotopes as a palaeoclimate proxy in vascular plant dominated peatlands. Geochimica et Cosmochimica Acta, 164, 161-174. Abstract.
Swindles GT, Amesbury MJ, Turner TE, Carrivick JL, Woulds C, Raby C, Mullan D, Roland TP, Galloway JM, Parry L, et al (2015). Evaluating the use of testate amoebae for palaeohydrological reconstruction in permafrost peatlands. Palaeogeography, Palaeoclimatology, Palaeoecology, 424, 111-122. Abstract.
Loader NJ, Street-Perrott FA, Daley TJ, Hughes PDM, Kimak A, Levanič T, Mallon G, Mauquoy D, Robertson I, Roland TP, et al (2015). Simultaneous determination of stable carbon, oxygen, and hydrogen isotopes in cellulose. Analytical Chemistry, 87(1), 376-380. Abstract.
Roland TP, Mackay H, Hughes PDM (2015). Tephra analysis in ombrotrophic peatlands: a geochemical comparison of acid digestion and density separation techniques. JOURNAL OF QUATERNARY SCIENCE, 30(1), 3-8. Author URL.
Roland TP, Daley TJ, Caseldine CJ, Charman DJ, Turney CSM, Amesbury MJ, Thompson GJ, Woodley EJ (2015). The 5.2 ka climate event: Evidence from stable isotope and multi-proxy palaeoecological peatland records in Ireland. Quaternary Science Reviews, 124, 209-223. Abstract.  Full text.
Swindles GT, Morris PJ, Mullan D, Watson EJ, Turner E, Roland TP, Amesbury MJ, Kokfelt U, Schoning K, Pratte S, et al (2015). The long-term fate of permafrost peatlands under rapid climate warming. Scientific Reports, 5 Abstract.  Full text.

2014

De Vleeschouwer F, Vanneste H, Mauquoy D, Piotrowska N, Torrejón F, Roland TP, Stein A, Le Roux G (2014). Emissions from Pre-Hispanic Metallurgy in the South American Atmosphere. PLoS One, 10(9). Author URL.  Full text.
Seddon AWR, Mackay AW, Baker AG, Birks HJB, Breman E, Buck CE, Ellis EC, Froyd CA, Gill JL, Gillson L, et al (2014). Looking forward through the past: Identification of 50 priority research questions in palaeoecology. Journal of Ecology, 102(1), 256-267. Abstract.
Hughes PDM, Roland TP, Mauquoy D (2014). Peatlands and carbon credits: natural and anthropogenic threats to the carbon stock. Carbon Management
Van Bellen S, Mauquoy D, Payne RJ, Roland TP, Daley TJ, Hughes PDM, Loader NJ, Street-Perrott FA, Rice EM, Pancotto VA, et al (2014). Testate amoebae as a proxy for reconstructing Holocene water table dynamics in southern Patagonian peat bogs. Journal of Quaternary Science, 29(5), 463-474. Abstract.
Roland TP, Caseldine CJ, Charman DJ, Turney CSM, Amesbury MJ (2014). Was there a '4.2ka event' in Great Britain and Ireland? Evidence from the peatland record. Quaternary Science Reviews, 83, 11-27. Abstract.  Full text.

2013

Swindles GT, Lawson IT, Matthews IP, Blaauw M, Daley TJ, Charman DJ, Roland TP, Plunkett G, Schettler G, Gearey BR, et al (2013). Centennial-scale climate change in Ireland during the Holocene. Earth-Science Reviews, 126, 300-320. Abstract.
Roland T (2013). Letters from patagonia. Planet Earth(AUTUMN), 24-26. Abstract.

2012

Daley TJ, Mauquoy D, Chambers FM, Street-Perrott FA, Hughes PDM, Loader NJ, Roland TP, Van Bellen S, Garcia-Meneses P, Lewin S, et al (2012). Investigating late Holocene variations in hydroclimate and the stable isotope composition of precipitation using southern South American peatlands: an hypothesis. Climate of the Past, 8(5), 1457-1471. Abstract.

2008

Fyfe RM, Brück J, Johnston R, Lewis H, Roland TP, Wickstead H (2008). Historical context and chronology of Bronze Age land enclosure on Dartmoor, UK. Journal of Archaeological Science, 35(8), 2250-2261. Abstract.

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