Items where Author is "Barker, Philip"

Grefe, Imke and Mackay, Eleanor and Wynn, Peter and Grant, Helen and Pereira, M. Glória and Barker, Philip and Surridge, Ben (2025) Atmospheric nitrate accumulation in headwater lakes and nutrient subsidy to downstream aquatic environments. PLOS Water, 4 (3): e0000342.

Olsson, Freya and Mackay, Eleanor B. and Spears, Bryan M. and Barker, Philip and Jones, Ian D. (2025) Interacting impacts of hydrological changes and air temperature warming on lake temperatures highlight the potential for adaptive management. Ambio, 54 (3). pp. 402-415. ISSN 0044-7447

Grefe, Imke and Mackay, Eleanor B and Wynn, Peter and Barker, Philip and Grant, Helen and Pereira, M. Glória and Maberly, Stephen and Surridge, Ben (2024) The impact of lake discontinuities on nitrogen biogeochemistry in river networks. Inland Waters, 14 (1-2). pp. 111-126.

Al-Iraqi, Ahmed R. and Semple, Kirk and Folkard, Andrew and Barker, Philip (2024) The use of Phragmites australis (common reed) in biofuel production : Effects of chemical and mechanical pre-treatments, harvesting season and co-digestion with food waste on biogas production. PhD thesis, Lancaster University.

Wynn, Peter and Grefe, Imke and Mackay, Eleanor and Barker, Philip and Grant, Helen and Pereira, M Glória and Maberley, S. C. (2023) Nitrate retention and subsidy in oligotrophic mountain stream-lake networks. In: European Geophysical Union 2023, 2023-04-23 - 2023-04-28.

Weston, Kyle and Wynn, Peter and Barker, Philip (2022) A taxon-specific analysis of chironomid δ13C to assess carbon cycling of Blakemere Moss during the early Holocene. Masters thesis, Lancaster University.

Olsson, Freya and Mackay, Eleanor B. and Barker, Philip and Davies, Sian and Hall, Ruth and Spears, Bryan and Exley, Giles and Thackeray, Stephen J. and Jones, Ian D. (2022) Can reductions in water residence time be used to disrupt seasonal stratification and control internal loading in a eutrophic monomictic lake? Journal of Environmental Management, 304: 114169. ISSN 0301-4797

Gittins, Joshua R. and Surridge, Ben and Barker, Philip and Utilities, United and Kidd, Jonathan (2021) The importance of organic phosphorus sources, transfers and impacts across the agricultural continuum. PhD thesis, Lancaster University.

Vaughan, Ellie and Graham, Nick and Wynn, Peter and Barker, Philip (2021) Nutrient impacts on coral reefs captured through macroalgal isotopes. PhD thesis, Lancaster University.

Ambler, Scott and Wynn, Peter and Barker, Philip (2020) A first assessment of nitrogen sources and biogeochemical processing in the speleothem record. Masters thesis, Lancaster University.

Deeprose, Laura and Wynn, Peter and Barker, Philip and Leng, Melanie (2018) Speleothem climate capture of the Neanderthal demise. PhD thesis, Lancaster University.

Wynn, Peter and Smith, Andrew and Barker, Philip and Leng, M.J. and Noble, Steve and Tych, Wlodek (2017) Late Holocene climate and environmental change from Asiul cave speleothems: interpretations in light of modern cave monitoring. In: EGU General Assembly 2017, 2017-04-24 - 2017-04-28, Vienna.

Deeprose, Laura and Wynn, Peter and Barker, Philip and Leng, M.J. and Noble, Steve and Sahy, Diana (2017) Reconstructing Past Climate Using Speleothems from Cueva de las Perlas, Northern Spain. In: European Geophysical Union, 2017-04-23 - 2017-04-27.

Smith, Andrew and Wynn, Peter and Barker, Philip and Leng, Melanie and Noble, Steve and Stott, Andrew (2016) Cave monitoring and the potential for palaeoclimate reconstruction from Cueva de Asiul, Cantabria (N. Spain). International Journal of Speleology, 45 (1). pp. 1-9. ISSN 0392-6672

Burns, Rebecca Kate and Wynn, Peter and Barker, Philip and Wheeler, Paul and Pickard, Andy and Hayes, Carolyn (2016) Cryogenic carbon cycling at an Icelandic glacier. PhD thesis, Lancaster University.

Cockerton, Helen E. and Street-Perrott, F. Alayne and Barker, Philip and Leng, Melanie and Sloane, Hilary J. and Ficken, Katherine J. (2015) Orbital forcing of glacial/interglacial variations in chemical weathering and silicon cycling within the upper White Nile basin, East Africa : stable isotope and biomarker evidence from Lakes Victoria and Edward. Quaternary Science Reviews, 130. pp. 57-71. ISSN 0277-3791

Smith, Andrew and Wynn, Peter and Barker, Philip and Leng, Melanie (2015) Drip water electrical conductivity as an indicator of cave ventilation at the event scale. Science of the Total Environment, 532. pp. 517-527. ISSN 0048-9697

Wynn, Peter and Morrell, David and Tuffen, Hugh and Barker, Philip and Tweed, Fiona and Burns, Rebecca (2015) Seasonal release of anoxic geothermal meltwater from the Katla volcanic system at Sólheimajökull, Iceland. Chemical Geology, 396. pp. 228-238. ISSN 0009-2541

Moorhouse, Heather and McGowan, Suzanne and Jones, Matthew and Barker, Philip and Leavitt, Peter and Brayshaw, Susan and Haworth, Elizabeth Y. (2014) Contrasting effects of nutrients and climate on algal communities in two lakes in the Windermere catchment since the late 19th century. Freshwater Biology, 59 (12). pp. 2605-2620. ISSN 0046-5070

Webb, Megan and Dredge, J. and Barker, Philip and Mueller, W. and Jex, C. and Desmarchelier, J. and Hellstrom, J. and Wynn, Peter (2014) Quaternary climatic instability in south-east Australia from a multi-proxy speleothem record. Journal of Quaternary Science, 29 (6). pp. 589-596. ISSN 0267-8179

Snell, Maria and Barker, Philip and Surridge, Ben and Large, Andy and Jonczyk, Jennine and Benskin, Clare and Reaney, S. M. and Perks, Matt and Owen, Gareth and Cleasby, Will and Deasy, Clare and Haygarth, Philip (2014) High frequency variability of environmental drivers determining benthic community dynamics in headwater streams. Environmental Science: Processes and Impacts, 16 (7). pp. 1629-1636. ISSN 2050-7887

Barker, Philip and Hurrell, Elizabeth and Leng, Melanie and Plessen, B and Wolff, C and Conley, D and Keppens, E and Milne, I and Cumming, B and Laird, K and Kendrick, C and Wynn, Peter and Verschuren, D (2013) Carbon cycling within an East African lake revealed by the carbon isotope composition of diatom silica: a 25-ka record from Lake Challa, Mt. Kilimanjaro. Quaternary Science Reviews, 66. pp. 55-63. ISSN 0277-3791

Mackay, Eleanor and Jones, Ian and Folkard, Andrew and Barker, Philip (2012) Contribution of sediment focussing to heterogeneity of organic carbon and phosphorus burial in small lakes. Freshwater Biology, 57 (2). pp. 290-304. ISSN 0046-5070

McGowan, Suzanne and Barker, Philip and Haworth, Elizabeth Y. and Leavitt, Peter R. and Maberly, Stephen C. and Pates, Jackie (2012) Humans and climate as drivers of algal community change in Windermere since 1850. Freshwater Biology, 57 (2). pp. 260-277. ISSN 0046-5070

Verschuren, Dirk and Damste, Jaap S. Sinninghe and Moernaut, Jasper and Kristen, Iris and Blaauw, Maarten and Fagot, Maureen and Haug, Gerald H. and Members, Challacea Project and Barker, Philip (2009) Half-precessional dynamics of monsoon rainfall near the East African Equator. Nature, 462 (7273). pp. 637-641. ISSN 0028-0836

Verschuren, D. and Damste, J. S. Sinninghe and Moernaut, J. and Kristen, I. and Blaauw, M. and Fagot, M. and Haug, G. H. and Members, Challacea Project and Barker, Philip (2009) Half-precessional dynamics of monsoon rainfall near the East African equator : implications for Indian Ocean ITCZ migration over the past 25,000 years. Geochimica et Cosmochimica Acta, 73 (13 Sup). A1380-A1380. ISSN 0016-7037

Hatfield, Robert and Maher, Barbara and Pates, Jackie and Barker, Philip (2008) Sediment dynamics in an upland temperate catchment : changing sediment sources, rates and deposition. Journal of Paleolimnology, 40 (4). pp. 1143-1158. ISSN 0921-2728

Hernandez, A. and Bao, R. and Giralt, S. and Leng, M. J. and Barker, Philip and Pueyo, J. J. and Saez, A. and Moreno, A. and Valero-Garces, B. and Sloane, H. J. (2007) A high-resolution study of diatom oxygen isotopes in a Late Pleistocene to Early Holocene laminated record from Lake Chungara' (Andean Altiplano, Northern Chile). Geochimica et Cosmochimica Acta, 71 (15 Sup). A398-A398. ISSN 0016-7037

Leng, M.J. and Barker, Philip (2006) DIATOM METHODS | δ18O Records. In: Encyclopedia of Quaternary Science :. Elsevier, pp. 485-494. ISBN 978-0-444-52747-9

Newton, Anthony J. and Metcalfe, Sarah E. and Davies, Sarah J. and Cook, Gordon and Barker, Philip and Telford, Richard J. (2005) Late Quaternary volcanic record from lakes of Michoacán, central Mexico. Quaternary Science Reviews, 24 (1-2). pp. 91-104. ISSN 0277-3791

Barker, Philip and Gasse, F. (2003) New evidence for a reduced water balance in East Africa during the Last Glacial Maximum: Implication for model-data comparison. Quaternary Science Reviews, 22 (8-9). pp. 823-837. ISSN 0277-3791

King, L. and Jones, R.I. and Barker, Philip (2002) Spatial variation in epilithic algal communities around an oligotrophic and a mesotrophic lake in the English Lake District. In: Verhandlungen IVL :. Verhandlungen IVL, 28 . E. Schweizerbart, AUS, pp. 455-461. ISBN 978-3-510-54060-0

Barker, Philip and Street-Perrott, F. A. and Leng, M. J. and Greenwood, P. B. and Swain, D. L. and Perrott, R. A. and Telford, R. J. and Ficken, K. J. (2001) A 14,000-year oxygen isotope record from diatom silica in two alpine lakes on Mt. Kenya. Science, 292 (5525). pp. 2307-2310. ISSN 0036-8075

Barker, Philip and Street-Perrott, F.A. and Perrott, R.A. and Ficken, K.J. and Swain, D.A. (2001) Diatom palaeoproductivity from a high-altitude lake on Mt. Kenya: preliminary results from Lake Rutundu. In: SIL Congress 2000, Proceedings :. Verhandlungen IVL, 27 . E. Schweizerbart, pp. 1003-1007. ISBN 978-3-510-54053-2

King, Lydia and Barker, Philip and Jones, Roger I. (2000) Epilithic algal communities and their relationship to environmental variables in lakes of the English Lake District. Freshwater Biology, 45 (4). pp. 425-442. ISSN 0046-5070

Gell, P. A. and Barker, Philip and De Deckker, P. and Last, W. M. and Jelici, L. (1994) The Holocene history of West Basin Lake, Victoria, Australia; chemical changes based on fossil biota and sediment mineralogy. Journal of Paleolimnology, 12 (3). pp. 235-258. ISSN 1573-0417

Barker, Philip and Roberts, N. and Lamb, H. F. and Van Der Kaars, S. and Benkaddour, A. (1994) Interpretation of Holocene lake-level change from diatom assemblages in Lake Sidi Ali, Middle Atlas, Morocco. Journal of Paleolimnology, 12 (3). pp. 223-234. ISSN 0921-2728

Barker, Philip (1992) Differential diatom dissolution in late quaternary sediments from Lake Manyara, Tanzania: An experimental approach. Journal of Paleolimnology, 7 (3). pp. 235-251. ISSN 0921-2728