Professor Chris Freeman
Emeritus Professor
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Microbes, Environmental Change and the Global Carbon Cycle
Kang, H. & Freeman, C., 1 Mar 2016, Climate Change and Microbial Ecology: Current Research and Future Trends. Marxsen, J. (ed.). Caister Academic Press, p. 153-166Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review
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Biologically driven DOC release from peatlands during recovery from acidification
Kang, H., Kwon, M. J., Kim, S., Lee, S., Jones, T. G., Johncock, A. C., Haraguchi , A. & Freeman, C., 18 Sept 2018, In: Nature Communications. 9, 3807.Research output: Contribution to journal › Article › peer-review
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Effects of elevated CO2 on fen peat biogeochemistry.
Kang, H., Freeman, C. & Ashendon, T. W., 12 Nov 2001, In: Science of the Total Environment. 279, 1-3, p. 45-50Research output: Contribution to journal › Article › peer-review
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Waste Water Treatment
Jones, D., Freeman, C. & Sánchez-Rodríguez, A. R., 1 Jan 2017, Encyclopedia of Applied Plant Sciences. Thomas, B., Murray, B. G. & Murphy , D. J. (eds.). 2 ed. Elsevier, Vol. 3. p. 352 10 p.Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review
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Waste water treatment.
Jones, D. L., Freeman, C., Thomas, B. (Editor), Murphy, D. (Editor) & Murray, B. (Editor), 1 Jan 2003, Encyclopaedia of applied plant science. 2003 ed. Academic Press, p. 772-781Research output: Chapter in Book/Report/Conference proceeding › Chapter
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The greenhouse gas (GHG) emissions associated with aquatic carbon removal during drinking water treatment
Jones, T., Evans, C. D. & Freeman, C., 1 Jul 2016, In: Aquatic Sciences. 78, 3, p. 561-572Research output: Contribution to journal › Article › peer-review
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Impacts of elevated atmosphere ozone on peatland below-ground DOC characteristics.
Jones, T. G., Freeman, C., Lloyd, A. & Mills, G., 1 Jun 2009, In: Ecological Engineering. 35, 6, p. 971-977Research output: Contribution to journal › Article › peer-review
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Transformations in DOC along a source to sea continuum; impacts of photo-degradation, biological processes and mixing
Jones, T. G., Evans, C. D., Jones, D., Hill, P. W. & Freeman, C., 1 Jul 2016, In: Aquatic Sciences. 78, 3, p. 433-446Research output: Contribution to journal › Article › peer-review
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An experimental use of floating treatment wetlands (FTWs) to reduce phytoplankton growth in freshwaters
Jones, T., Willis, N., Gough, R. & Freeman, C., Feb 2017, In: Ecological Engineering. 99, p. 316-323Research output: Contribution to journal › Article › peer-review
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Rapid, Semi-Automated Fractionation of Freshwater Dissolved Organic Carbon Using DAX 8 (XAD 8) and XAD 4 Resins in Tandem
Hughes, D., Holliman, P., Jones, T., Jones, T., Butler, A. J. & Freeman, C., 22 Nov 2016, In: Natural Science. 8, 11, p. 487-498Research output: Contribution to journal › Article › peer-review
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Temporal variations in dissolved organic carbon concentrations in upland and lowland lakes in North Wales
Hughes, D. D., Holliman, P. J., Jones, T. & Freeman, C., 1 Jun 2013, In: Water and Environment Journal. 27, 2, p. 275-283Research output: Contribution to journal › Article › peer-review
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Assessment of potential climate change impacts on peatland dissolved organic carbon release and drinking water treatment from laboratory experiments
Hughes, D. D., Tang, R., Clark, J. M., Bond, T., Graham, N., Hughes, D. & Freeman, C., 1 Feb 2013, In: Environmental Pollution. 173, p. 270-277Research output: Contribution to journal › Article › peer-review
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Nutrient limitation and enzyme activities during litter decomposition of nine wetland species in relation to litter N : P ratios
Gusewell, S. & Freeman, C., 1 Aug 2005, In: Functional Ecology. 19, 4, p. 582-593Research output: Contribution to journal › Article › peer-review
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The impact of climate change on the treatability of dissolved organic matter (DOM) in upland water supplies: a UK perspective
Gough, R. S., Ritson, J. P., Graham, N. J., Templeton, M. R., Clark, J. M., Gough, R. & Freeman, C., 10 Jan 2014, In: Science of the Total Environment. 473-474, p. 714-730Research output: Contribution to journal › Article › peer-review
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Dissolved organic carbon and trihalomethane precursor removal at a UK upland water treatment works
Gough, R. S., Holliman, P. J., Willis, N. & Freeman, C., 15 Jan 2014, In: Science of the Total Environment. 468-469, p. 228-239Research output: Contribution to journal › Article › peer-review
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Dissolved organic carbon and trihalomethane formation potential removal during coagulation of a typical UK upland water with alum, PAX-18 and PIX-322
Gough, R. S., Holliman, P. J., Heard, T. R. & Freeman, C., 1 Dec 2014, In: Journal of Water Supply: Research and Technology - AQUA. 63, 8, p. 650-660Research output: Contribution to journal › Article › peer-review
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Influence of water table depth on pore water chemistry and Trihalomethane Formation potential in peatlands
Gough, R. S., Gough, R., Holliman, P. J., Fenner, N., Peacock, M. & Freeman, C., 1 Feb 2016, In: Water Environment Research. 88, 2, p. 107-117Research output: Contribution to journal › Article › peer-review
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Influence of habitat on the quantity and composition of leachable carbon in the O2 horizon: Potential iplications for potable water treatment
Gough, R. S., Holliman, P. J., Willis, N., Jones, T. G. & Freeman, C., 27 Nov 2012, In: Lake and Reservoir Management. 28, 4, p. 282-292Research output: Contribution to journal › Article › peer-review
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Characterisation of algogenic organic matter during an algal bloom and its implications for trihalomethane formation
Gough, R. S., Gough, R., Holliman, P. J., Cooke, G. M. & Freeman, C., 1 Sept 2015, In: Sustainability of Water Quality and Ecology. 6, September, p. 11-19Research output: Contribution to journal › Article › peer-review
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Relationships between reservoir water quality and catchment habitat type
Gough, R., Cohen, Y., Fenner, N., Cannon, J. & Freeman, C., 1 Jan 2016, In: International Journal of Environmental Technology and Management. 19, 1, p. 16-39Research output: Contribution to journal › Article › peer-review
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Tracing dissolved organic carbon and trihalomethane formation potential between source water and finished drinking water at a lowland and an upland UK catchment
Gough, R. S., Brooks, E., Freeman, C., Gough, R. & Holliman, P. J., 15 Aug 2015, In: Science of the Total Environment. 537, p. 203-212Research output: Contribution to journal › Article › peer-review
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UV-visible absorbance spectroscopy as a proxy for peatland dissolved organic carbon (DOC) quantity and quality: considerations on wavelength and absorbance degradation
Gough, R. S., Peacock, M., Evans, C. D., Fenner, N., Freeman, C., Gough, R., Jones, T. G. & Lebron, I., 4 Apr 2014, In: Environmental Science: Processes and Impacts. 50, 6, p. 1445-1461Research output: Contribution to journal › Article › peer-review
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High intensity fire accelerates accumulation of a stable carbon pool in permafrost peatlands under climate warming
Gao, C., Wang, G., Cong, J., Freeman, C., Jiang, M. & Qin, L., 15 Jun 2023, In: Catena. 227, 107108.Research output: Contribution to journal › Article › peer-review
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Decomposition as a regulator of carbon accretion in mangroves: a review
Friesen, S., Dunn, C. & Freeman, C., Apr 2018, In: Ecological Engineering. 114, p. 173-178Research output: Contribution to journal › Article › peer-review
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Export of organic carbon from peat soils.
Freeman, C., Evans, C. D., Monteith, D. T., Reynolds, B. & Fenner, N., 23 Aug 2001, In: Nature. 412, 6849, p. 785Research output: Contribution to journal › Article › peer-review
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Export of dissolved organic carbon from peatlands under elevated carbon dioxide levels.
Freeman, C., Fenner, N., Ostle, N. J., Kang, H., Dowrick, D. J., Reynolds, B., Lock, M. A., Sleep, D., Hughes, S. & Hudson, J., 8 Jul 2004, In: Nature. 430, 6996, p. 195-198Research output: Contribution to journal › Article › peer-review
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Effects of elevated atmospheric CO2 concentrations on soil microorganisms.
Freeman, C., Kim, S. Y., Lee, S. H. & Kang, H., 1 Dec 2004, In: Journal of Microbiology. 42, 4, p. 267-277Research output: Contribution to journal › Article › peer-review
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Peatland geoengineering: an alternative approach to terrestrial carbon sequestration
Freeman, C., Fenner, N. & Shirsat, A. H., 13 Sept 2012, In: Philosophical Transactions of the Royal Society A. 370, 1974, p. 4404-4421Research output: Contribution to journal › Article › peer-review
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Contrasted effects of simulated drought on the production and oxidation of methane in a mid-Wales wetland.
Freeman, C., Nevison, G. B., Kang, H., Hughes, S., Reynolds, B. & Hudson, J. A., 1 Jan 2002, In: Soil Biology and Biochemistry. 34, 1, p. 61-67Research output: Contribution to journal › Article › peer-review
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An enzymatic 'latch' on a global carbon store;- a shortage of oxygen locks up carbon in peatlands by restraining a single enzyme.
Freeman, C., Ostle, N. J. & Kang, H., 11 Jan 2001, In: Nature. 409, 6817, p. 149Research output: Contribution to journal › Article › peer-review
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A regulatory role for phenol oxidase during decomposition in peatlands.
Freeman, C., Ostle, N., Fenner, N. & Kang, H., 1 Oct 2004, In: Soil Biology and Biochemistry. 36, 10, p. 1663-1667Research output: Contribution to journal › Article › peer-review
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The use of fluorogenic substrates for measuring enzyme activity in peatlands
Freeman, C., Liska, G., Ostle, N. J. & Lock, M. A., 1 Aug 1995, In: Plant and Soil. 175, 1, p. 147-152Research output: Contribution to journal › Article › peer-review
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Molecular weight spectra of dissolved organic carbon in a rewetted Welsh peatland and possible implications for water quality.
Fenner, N., Freeman, C., Hughes, S. & Reynolds, B., 1 Jun 2001, In: Soil Use and Management. 17, 2, p. 106-112Research output: Contribution to journal › Article › peer-review
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Effects of Climate Change on Peatland Reservoirs: A DOC Perspective
Fenner, N., Meadham, J., Jones, T., Hayes, F. & Freeman, C., Jul 2021, In: Global Biogeochemical Cycles. 35, 7, e2021GB006992.Research output: Contribution to journal › Article › peer-review
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Carbon preservation in humic lakes; a hierarchical regulatory pathway
Fenner, N. & Freeman, C., 1 Mar 2013, In: Global Change Biology. 19, 3, p. 775-784Research output: Contribution to journal › Article › peer-review
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Hydrological controls on dissolved organic carbon production and release from UK peatlands.
Fenner, N., Freeman, C., Worrall, F., Baird, A. J. (Editor), Belyea, L. R. (Editor), Xavier Comas, A. S. (Editor) & Slater, L. D. (Editor), 1 Jan 2009, Carbon Cycling in Northern Peatlands. 2009 ed. American Geophysical UnionResearch output: Chapter in Book/Report/Conference proceeding › Chapter
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Observations of a seasonally shifting thermal optimum in peatland carbon-cycling processes; implications for the global carbon cycle and soil enzyme methodologies.
Fenner, N., Freeman, C. & Reynolds, B., 1 Oct 2005, In: Soil Biology and Biochemistry. 37, 10, p. 1814-1821Research output: Contribution to journal › Article › peer-review
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Decomposition ‘hotspots’ in a rewetted peatland: implications for water quality and carbon cycling
Fenner, N., Williams, R., Toberman, H., Hughes, S., Reynolds, B. & Freeman, C., 1 Oct 2011, In: Hydrobiologia. 674, 1, p. 51-66Research output: Contribution to journal › Article › peer-review
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Evaluation of algal bloom mitigation and nutrient removal in floating constructed wetlands with different macrophyte species
Fenner, N., West, M., Gough, R. & Freeman, C., Nov 2017, In: Ecological Engineering. 108, Part B, p. 581-588Research output: Contribution to journal › Article › peer-review
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Woody litter protects peat carbon stocks during drought
Fenner, N. & Freeman, C., 16 Mar 2020, In: Nature Climate Change. 10, 4, p. 363-369Research output: Contribution to journal › Article › peer-review
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Hydrological effects on the diversity of phenolic degrading bacteria in a peatland: implications for carbon cycling.
Fenner, N., Freeman, C. & Reynolds, B., 1 Jul 2005, In: Soil Biology and Biochemistry. 37, 7, p. 1277-1287Research output: Contribution to journal › Article › peer-review
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Interactions between elevated CO2 and warming could amplify DOC exports from peatland catchments.
Fenner, N., Freeman, C., Lock, M. A., Harmens, H., Reynolds, B. & Sparks, T., 29 Mar 2007, In: Environmental Science and Technology. 41, 9, p. 3146-3152Research output: Contribution to journal › Article › peer-review
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Peatland carbon efflux partitioning reveals that Sphagnum photosynthate contributes to the DOC pool
Fenner, N., Ostle, N., Freeman, C., Sleep, D. & Reynolds, B., Feb 2004, In: Plant and Soil. 259, 1-2, p. 345-354Research output: Contribution to journal › Article › peer-review
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A novel approach to studying the effects of temperature on soil biogeochemistry using a thermal gradient bar
Fenner, N., Dowrick, D. J., Lock, M. A., Rafarel, C. R. & Freeman, C., 1 Sept 2006, In: Soil Use and Management. 22, 3, p. 267-273Research output: Contribution to journal › Article › peer-review
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Elevated CO2 effects on peatland plant community carbon dynamics and DOC production.
Fenner, N., Ostle, N. J., McNamara, N., Sparks, T., Harmens, H., Reynolds, B. & Freeman, C., 1 Jun 2007, In: Ecosystems. 10, 4, p. 635-647Research output: Contribution to journal › Article › peer-review
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Drought-induced carbon loss in peatlands
Fenner, N. & Freeman, C., 20 Nov 2011, In: Nature Geoscience. 4, p. 895-900Research output: Contribution to journal › Article › peer-review
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Contrasting vulnerability of drained tropical and high-latitude peatlands to fluvial loss of stored carbon
Evans, C. D., Page, S. E., Jones, T., Moore, S., Gauci, V., Laiho, R., Hruska, J., Allot, T. E., Billet, M. F., Tipping, E., Freeman, C. & Garnett, M. H., 13 Nov 2014, In: Global Biogeochemical Cycles. 28, 11, p. 1215-1234Research output: Contribution to journal › Article › peer-review
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DOC export to upland waters: old or new carbon?
Evans, C., Cork, L., Freeman, C., Thomas, D. N. & Reynolds, B., 1 Jan 2006.Research output: Contribution to conference › Paper
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Acidity controls on dissolved organic carbon mobility in organic soils
Evans, C. D., Jones, T. G., Burden, A., Ostle, N., Zieliński, P., Cooper, M. D., Peacock, M., Clark, J. M., Oulehle, F., Cooper, D. & Freeman, C., 1 Nov 2012, In: Global Change Biology. 18, 11, p. 3317-3331Research output: Contribution to journal › Article › peer-review
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Evidence against recent climate-induced destabilisation of soil carbon from C-14 analysis of riverine dissolved organic matter
Evans, C. D., Freeman, C., Cork, L. G., Thomas, D. N., Reynolds, B., Billett, M. F., Garnett, M. H. & Norris, D., 13 Apr 2007, In: Geophysical Research Letters. 34, 7, p. L07407Research output: Contribution to journal › Article › peer-review