Professor Chris Freeman

Emeritus Professor

  1. Cyhoeddwyd

    Effects of elevated CO2 on fen peat biogeochemistry.

    Kang, H., Freeman, C. & Ashendon, T. W., 12 Tach 2001, Yn: Science of the Total Environment. 279, 1-3, t. 45-50

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  2. Cyhoeddwyd

    Waste Water Treatment

    Jones, D., Freeman, C. & Sánchez-Rodríguez, A. R., 1 Ion 2017, Encyclopedia of Applied Plant Sciences. Thomas, B., Murray, B. G. & Murphy, D. J. (gol.). 2 gol. Elsevier, Cyfrol 3. t. 352 10 t.

    Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion CynhadleddPennodadolygiad gan gymheiriaid

  3. Cyhoeddwyd

    Waste water treatment.

    Jones, D. L., Freeman, C., Thomas, B. (gol.), Murphy, D. (gol.) & Murray, B. (gol.), 1 Ion 2003, Encyclopaedia of applied plant science. 2003 gol. Academic Press, t. 772-781

    Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion CynhadleddPennod

  4. Cyhoeddwyd

    The greenhouse gas (GHG) emissions associated with aquatic carbon removal during drinking water treatment

    Jones, T., Evans, C. D. & Freeman, C., 1 Gorff 2016, Yn: Aquatic Sciences. 78, 3, t. 561-572

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  5. Cyhoeddwyd

    Impacts of elevated atmosphere ozone on peatland below-ground DOC characteristics.

    Jones, T. G., Freeman, C., Lloyd, A. & Mills, G., 1 Meh 2009, Yn: Ecological Engineering. 35, 6, t. 971-977

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  6. Cyhoeddwyd

    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 Gorff 2016, Yn: Aquatic Sciences. 78, 3, t. 433-446

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  7. Cyhoeddwyd

    An experimental use of floating treatment wetlands (FTWs) to reduce phytoplankton growth in freshwaters

    Jones, T., Willis, N., Gough, R. & Freeman, C., Chwef 2017, Yn: Ecological Engineering. 99, t. 316-323

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  8. Cyhoeddwyd

    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 Tach 2016, Yn: Natural Science. 8, 11, t. 487-498

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  9. Cyhoeddwyd

    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 Meh 2013, Yn: Water and Environment Journal. 27, 2, t. 275-283

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  10. Cyhoeddwyd

    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 Chwef 2013, Yn: Environmental Pollution. 173, t. 270-277

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  11. Cyhoeddwyd

    Nutrient limitation and enzyme activities during litter decomposition of nine wetland species in relation to litter N : P ratios

    Gusewell, S. & Freeman, C., 1 Awst 2005, Yn: Functional Ecology. 19, 4, t. 582-593

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  12. Cyhoeddwyd

    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 Ion 2014, Yn: Science of the Total Environment. 473-474, t. 714-730

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  13. Cyhoeddwyd

    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 Ion 2014, Yn: Science of the Total Environment. 468-469, t. 228-239

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  14. Cyhoeddwyd

    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 Rhag 2014, Yn: Journal of Water Supply: Research and Technology - AQUA. 63, 8, t. 650-660

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  15. Cyhoeddwyd

    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 Chwef 2016, Yn: Water Environment Research. 88, 2, t. 107-117

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  16. Cyhoeddwyd

    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 Tach 2012, Yn: Lake and Reservoir Management. 28, 4, t. 282-292

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  17. Cyhoeddwyd

    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 Medi 2015, Yn: Sustainability of Water Quality and Ecology. 6, September, t. 11-19

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  18. Cyhoeddwyd

    Relationships between reservoir water quality and catchment habitat type

    Gough, R., Cohen, Y., Fenner, N., Cannon, J. & Freeman, C., 1 Ion 2016, Yn: International Journal of Environmental Technology and Management. 19, 1, t. 16-39

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  19. Cyhoeddwyd

    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 Awst 2015, Yn: Science of the Total Environment. 537, t. 203-212

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  20. Cyhoeddwyd

    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 Ebr 2014, Yn: Environmental Science: Processes and Impacts. 50, 6, t. 1445-1461

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  21. Cyhoeddwyd

    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 Meh 2023, Yn: Catena. 227, 107108.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  22. Cyhoeddwyd

    Decomposition as a regulator of carbon accretion in mangroves: a review

    Friesen, S., Dunn, C. & Freeman, C., Ebr 2018, Yn: Ecological Engineering. 114, t. 173-178

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  23. Cyhoeddwyd

    Export of organic carbon from peat soils.

    Freeman, C., Evans, C. D., Monteith, D. T., Reynolds, B. & Fenner, N., 23 Awst 2001, Yn: Nature. 412, 6849, t. 785

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  24. Cyhoeddwyd

    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 Gorff 2004, Yn: Nature. 430, 6996, t. 195-198

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  25. Cyhoeddwyd

    Effects of elevated atmospheric CO2 concentrations on soil microorganisms.

    Freeman, C., Kim, S. Y., Lee, S. H. & Kang, H., 1 Rhag 2004, Yn: Journal of Microbiology. 42, 4, t. 267-277

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  26. Cyhoeddwyd

    Peatland geoengineering: an alternative approach to terrestrial carbon sequestration

    Freeman, C., Fenner, N. & Shirsat, A. H., 13 Medi 2012, Yn: Philosophical Transactions of the Royal Society A. 370, 1974, t. 4404-4421

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  27. Cyhoeddwyd

    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 Ion 2002, Yn: Soil Biology and Biochemistry. 34, 1, t. 61-67

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  28. Cyhoeddwyd

    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 Ion 2001, Yn: Nature. 409, 6817, t. 149

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  29. Cyhoeddwyd

    A regulatory role for phenol oxidase during decomposition in peatlands.

    Freeman, C., Ostle, N., Fenner, N. & Kang, H., 1 Hyd 2004, Yn: Soil Biology and Biochemistry. 36, 10, t. 1663-1667

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  30. Cyhoeddwyd

    The use of fluorogenic substrates for measuring enzyme activity in peatlands

    Freeman, C., Liska, G., Ostle, N. J. & Lock, M. A., 1 Awst 1995, Yn: Plant and Soil. 175, 1, t. 147-152

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  31. Cyhoeddwyd

    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 Meh 2001, Yn: Soil Use and Management. 17, 2, t. 106-112

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  32. Cyhoeddwyd

    Effects of Climate Change on Peatland Reservoirs: A DOC Perspective

    Fenner, N., Meadham, J., Jones, T., Hayes, F. & Freeman, C., Gorff 2021, Yn: Global Biogeochemical Cycles. 35, 7, e2021GB006992.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  33. Cyhoeddwyd

    Carbon preservation in humic lakes; a hierarchical regulatory pathway

    Fenner, N. & Freeman, C., 1 Maw 2013, Yn: Global Change Biology. 19, 3, t. 775-784

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  34. Cyhoeddwyd

    Hydrological controls on dissolved organic carbon production and release from UK peatlands.

    Fenner, N., Freeman, C., Worrall, F., Baird, A. J. (gol.), Belyea, L. R. (gol.), Xavier Comas, A. S. (gol.) & Slater, L. D. (gol.), 1 Ion 2009, Carbon Cycling in Northern Peatlands. 2009 gol. American Geophysical Union

    Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion CynhadleddPennod

  35. Cyhoeddwyd

    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 Hyd 2005, Yn: Soil Biology and Biochemistry. 37, 10, t. 1814-1821

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  36. Cyhoeddwyd

    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 Hyd 2011, Yn: Hydrobiologia. 674, 1, t. 51-66

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  37. Cyhoeddwyd

    Evaluation of algal bloom mitigation and nutrient removal in floating constructed wetlands with different macrophyte species

    Fenner, N., West, M., Gough, R. & Freeman, C., Tach 2017, Yn: Ecological Engineering. 108, Part B, t. 581-588

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  38. Cyhoeddwyd

    Woody litter protects peat carbon stocks during drought

    Fenner, N. & Freeman, C., 16 Maw 2020, Yn: Nature Climate Change. 10, 4, t. 363-369

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  39. Cyhoeddwyd

    Hydrological effects on the diversity of phenolic degrading bacteria in a peatland: implications for carbon cycling.

    Fenner, N., Freeman, C. & Reynolds, B., 1 Gorff 2005, Yn: Soil Biology and Biochemistry. 37, 7, t. 1277-1287

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  40. Cyhoeddwyd

    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 Maw 2007, Yn: Environmental Science and Technology. 41, 9, t. 3146-3152

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  41. Cyhoeddwyd

    Peatland carbon efflux partitioning reveals that Sphagnum photosynthate contributes to the DOC pool

    Fenner, N., Ostle, N., Freeman, C., Sleep, D. & Reynolds, B., Chwef 2004, Yn: Plant and Soil. 259, 1-2, t. 345-354

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  42. Cyhoeddwyd

    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 Medi 2006, Yn: Soil Use and Management. 22, 3, t. 267-273

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  43. Cyhoeddwyd

    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 Meh 2007, Yn: Ecosystems. 10, 4, t. 635-647

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  44. Cyhoeddwyd

    Drought-induced carbon loss in peatlands

    Fenner, N. & Freeman, C., 20 Tach 2011, Yn: Nature Geoscience. 4, t. 895-900

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  45. Cyhoeddwyd

    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 Tach 2014, Yn: Global Biogeochemical Cycles. 28, 11, t. 1215-1234

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  46. Cyhoeddwyd

    Climate change - Terrestrial export of organic carbon - Reply

    Evans, C. D., Freeman, C., Monteith, D. T., Reynolds, B. & Fenner, N., 21 Chwef 2002, Yn: Nature. 415, 6874, t. 862

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  47. Cyhoeddwyd

    DOC export and carbon loss from UK upland soils: similarities and differences between peats and organo-mineral soils.

    Evans, C., Freeman, C., Billett, M., Clark, J. M., Tobermann, H., Chapman, P., Cork, L. G., Reynolds, B. & Thomas, D. N., 1 Ion 2007.

    Allbwn ymchwil: Cyfraniad at gynhadleddPapur

  48. Cyhoeddwyd

    DOC export to upland waters: old or new carbon?

    Evans, C., Cork, L., Freeman, C., Thomas, D. N. & Reynolds, B., 1 Ion 2006.

    Allbwn ymchwil: Cyfraniad at gynhadleddPapur

  49. Cyhoeddwyd

    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 Tach 2012, Yn: Global Change Biology. 18, 11, t. 3317-3331

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  50. Cyhoeddwyd

    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 Ebr 2007, Yn: Geophysical Research Letters. 34, 7, t. L07407

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid