Professor Penny J Johnes

BSc, D.Phil (Oxon.)

  • BS8 1SS

    United Kingdom

  • BS8 1SS

1989 …2020

Research output per year

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Research Output

2020

Cascading multiscale watershed effects on differential carbon isotopic characteristics and associated hydrological processes

Gao, Y., Jia, J., Lu, Y., Zhou, F., Hao, Z., Johnes, P. J., Dungait, J. A. J. & Shi, K., 3 Jun 2020, In : Journal of Hydrology. 588, 11 p., 125139.

Research output: Contribution to journalArticle (Academic Journal)

Determining the impact of riparian wetlands on nutrient cycling, storage and export in permeable agricultural catchments

Johnes, P. J., Gooddy, D., Heaton, T. H. E., Binley, A., Kennedy, M. P., Shand, P. & Prior, H., 6 Jan 2020, In : Water. 12, 1, w12010167.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
116 Downloads (Pure)

Dissolved organic nutrient uptake by riverine phytoplankton varies along a gradient of nutrient enrichment

Mackay, E. B., Feuchtmayr, H., De Ville, M. M., Thackeray, S. J., Callaghan, N., Marshall, M., Rhodes, G., Yates, C. A., Johnes, P. J. & Maberly, S. C., 8 Mar 2020, (Accepted/In press) In : Science of The Total Environment. 722, STOTEN 137837.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
25 Downloads (Pure)

Identifying the main drivers of change of phytoplankton community structure and gross primary productivity in a river-lake system

Jia, J., Gao, Y., Zhou, F., Shi, K., Johnes, P. J., Dungait, J. A. J., Ma, M. & Lu, Y., 1 Apr 2020, In : Journal of Hydrology. 583, 13 p., 124633.

Research output: Contribution to journalArticle (Academic Journal)

1 Downloads (Pure)

Rapid depletion of dissolved organic sulphur (DOS) in freshwaters

Brailsford, F. L., Glanville, H. C., D, W., Golyshin, P. N., Johnes, P. J., Yates, C. A. & Jones, D. L., 2 May 2020, In : Biogeochemistry. 9 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
60 Downloads (Pure)

Rates of hydroxyapatite formation and dissolution in a sandstone aquifer: Implications for understanding dynamic phosphate behaviour within an agricultural catchment

Bingham, S. T., Buss, H. L., Mouchos, E. M., Johnes, P. J., Gooddy, D. C. & Bagnall, J. P., 1 Apr 2020, In : Applied Geochemistry. 115, 18 p., 104534.

Research output: Contribution to journalArticle (Academic Journal)

2019

Benchmarking the predictive capability of hydrological models for river flow and flood peak predictions across over 1000 catchments in Great Britain

Lane, R., Coxon, G., Freer, J., Wagener, T., Johnes, P., Bloomfield, J., Greene, S., Macleod, C. & Reaney, S., 30 Sep 2019, In : Hydrology and Earth System Sciences. 23, p. 4011–4032 22 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
3 Citations (Scopus)
136 Downloads (Pure)

Characterisation of treated effluent from four commonly employed wastewater treatment facilities: A UK case study

Yates, C. A., Johnes, P. J. & Spencer, R. G. M., 15 Feb 2019, In : Journal of Environmental Management. 232, p. 919-927 9 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
4 Citations (Scopus)
83 Downloads (Pure)

Determining the sources of nutrient flux to water in headwater catchments: Examining the speciation balance to inform the targeting of mitigation measures

Lloyd, C., Johnes, P., Freer, J., Carswell, A., Jones, J. I., Stirling, M. W., Hodgkinson, R. A., Richmond, C. & Collins, A. L., 15 Jan 2019, In : Science of The Total Environment. 648, p. 1179-1200 22 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
6 Citations (Scopus)
300 Downloads (Pure)

High resolution HPLC-MS confirms overestimation of urea in soil by the diacetyl monoxime (DAM)colorimetric method

Reay, M., Yates, C., Johnes, P., Arthur, C., Jones, D. & Evershed, R., 1 Aug 2019, In : Soil Biology and Biochemistry. 135, p. 127-133 7 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
46 Downloads (Pure)

Microbial uptake kinetics of dissolved organic carbon (DOC) compound groups from river water and sediments

Brailsford, F. L., Glanville, H. C., Golyshin, P. N., Johnes, P. J., Yates, C. A. & Jones, D. L., 2 Aug 2019, In : Scientific Reports. 9, 11 p., 11229.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
4 Citations (Scopus)
77 Downloads (Pure)

Nutrient enrichment induces a shift in dissolved organic carbon (DOC) metabolism in oligotrophic freshwater sediments.

Brailsford, F. L., Glanville, H. C., Golyshin, P. N., Marshall, M. R., Lloyd, C. E., Johnes, P. J. & Jones, D. L., 10 Nov 2019, In : Science of The Total Environment. 690, p. 1131-1139 9 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
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3 Citations (Scopus)
9 Downloads (Pure)

Soil functions and ecosystem services research in the Chinese karst Critical Zone

Green, S. M., Dungait, J. A. J., Tu, C., Buss, H., Sanderson, N., Hawkes, S. J., Xing, K., Yue, F., Hussey, V., Peng, J., Johnes, P., Barrows, T., Hartley, I. P., Song, X., Jiang, Z., Meersmans, J., Zhang, X., Tian, J., Wu, X., Liu, H. & 4 others, Song, Z., Evershed, R., Gao, Y. & Quine, T., 20 Nov 2019, In : Chemical Geology. 527, 55 p., 119107.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
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6 Citations (Scopus)
56 Downloads (Pure)
Open Access
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1 Citation (Scopus)
133 Downloads (Pure)

Using δ13C to reveal the importance of different water transport pathways in two nested karst basins, Southwest China

Hao, Z., Gao, Y., Ma, M., Green, S. M., Wang, J., Song, X., Dungait, J. A. J., Johnes, P. J., Xiong, B., Quine, T. A., Sun, X., Wen, X. & He, N., 1 Apr 2019, In : Journal of Hydrology. 571, p. 425-436 12 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
2 Citations (Scopus)
59 Downloads (Pure)

Variation in dissolved organic matter (DOM) stoichiometry in UK freshwaters: Assessing the influence of land cover and soil C:N ratio on DOM composition.

Yates, C., Johnes, P., Owen, A., Brailsford, F., Glanville, H., Evans, C. D., Marshall, M., Jones, D., Lloyd, C., Jickells, T. & Evershed, R., 6 May 2019, In : Limnology and Oceanography. 64, 6, p. 2328-2340 13 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
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9 Citations (Scopus)
141 Downloads (Pure)
2018

An exploration of individual, social and material factors influencing water pollution mitigation behaviours within the farming community

Inman, A., Winter, M., Wheeler, R., Vrain, E., Lovett, A., Collins, A., Jones, I., Johnes, P. & Cleasby, W., Jan 2018, In : Land Use Policy. 70, p. 16-26 11 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
16 Citations (Scopus)
258 Downloads (Pure)

Impact of microbial activity on the leaching of soluble N forms in soil

Carswell, A., Hill, P. W., Jones, D. L., Blackwell, M. S. A., Johnes, P., Dixon, E. & Chadwick, D., 1 Jan 2018, In : Biological Fertility of Soils. 54, 1, p. 21-25 5 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
2 Citations (Scopus)
234 Downloads (Pure)
2017

Ecosystem service delivery in Karst landscapes: anthropogenic perturbation and recovery

Quine, T., Guo, D., Green, S. M., Tu, C., Hartley, I., Zhang, X., Dungait, J., Wen, X., Song, Z., Liu, H., Buss, H., Barrows, T., Evershed, R., Johnes, P. & Meersmans, J., 1 Sep 2017, In : Acta Geochimica. 36, 3, p. 416-420 5 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
8 Citations (Scopus)
249 Downloads (Pure)

Experimental precipitation of hydroxyapatite (HAP)

Williams, M., Buss, H., Mouchos, E. & Johnes, P., Mar 2017.

Research output: Contribution to conferenceConference Poster

Hydrological controls on DOC : nitrate resource stoichiometry in a lowland, agricultural catchment, southern UK

Heppell, C. M., Binley, A., Trimmer, M., Darch, T., Jones, A., Malone, E., Collins, A., Johnes, P., Freer, J. & Lloyd, C., 27 Sep 2017, In : Hydrology and Earth System Sciences. 21, p. 4785-4802 18 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
12 Citations (Scopus)
237 Downloads (Pure)

Major agricultural changes required to mitigate phosphorus losses under climate change

Mary, O., Holloway, M. J., Beven, K., Collins, A., Evans, R., Falloon, P. D., Forber, K. J., Hiscock, K., Kahana, R., Macleod, C. J. A., Tych, W., Villamizar, M. L., Wearing, C., Withers, P. J., Zhou, J. G., Barker, P. A., Burke, S., Freer, J., Johnes, P., Snell, M. & 2 others, Surridge, B. & Haygarth, P., 31 Jul 2017, In : Nature Communications. 8, 9 p., 161.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
32 Citations (Scopus)
237 Downloads (Pure)

Microbial use of low molecular weight DOM in filtered and unfiltered freshwater: Role of ultra-small microorganisms and implications for water quality monitoring

Brailsford, F. L., Glanville, H. C., Marshall, M. R., Golyshin, P. N., Johnes, P. J., Yates, C. A., Owen, A. T. & Jones, D. L., 15 Nov 2017, In : Science of The Total Environment. 598, p. 377-384 8 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
8 Citations (Scopus)
179 Downloads (Pure)

Organic phosphorus in the terrestrial environment: a perspective on the state of the art and future priorities

George, T. S., Giles, C. D., Menezes-Blackburn, D., Condron, L. M., Gama-Rodrigues, A. C., Jaisi, D., Lang, F., Neal, A. L., Stutter, M. I., Almeida, D. S., Bol, R., Cabugao, K. G., Celi, L., Cotner, J. B., Feng, G., Goll, D. S., Hallama, M., Krueger, J., Plassard, C., Rosling, A. & 66 others, Darch, T., Fraser, T., Giesler, R., Richardson, A. E., Tamburini, F., Shand, C. A., Lumsdon, D. G., Zhang, H., Blackwell, M. S. A., Wearing, C., Mezeli, M. M., Almås, R., Audette, Y., Bertrand, I., Beyhaut, E., Boitt, G., Bradshaw, N., Brearley, C. A., Bruulsema, T. W., Ciais, P., Cozzolino, V., Duran, P. C., Mora, M. L., de Menezes, A. B., Dodd, R. J., Dunfield, K., Engl, C., Frazão, J. J., Garland, G., González Jiménez, J. L., Graca, J., Granger, S. J., Harrison, A. F., Heuck, C., Hou, E. Q., Johnes, P. J., Kaiser, K., Kjær, H. A., Klumpp, E., Lamb, A. L., Macintosh, K. A., Mackay, E. B., McGrath, J., McIntyre, C., McLaren, T., Mészáros, E., Missong, A., Mooshammer, M., Negrón, C. P., Nelson, L. A., Pfahler, V., Poblete-Grant, P., Randall, M., Seguel, A., Seth, K., Smith, A. C., Smits, M. M., Sobarzo, J. A., Spohn, M., Tawaraya, K., Tibbett, M., Voroney, P., Wallander, H., Wang, L., Wasaki, J. & Haygarth, P. M., 6 Oct 2017, In : Plant and Soil. 18 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
44 Citations (Scopus)
268 Downloads (Pure)

Projected impacts of increased uptake of source control mitigation measures on agricultural diffuse pollution emissions to water and air

Zhang, Y., Collins, A. L., Johnes, P. J. & Jones, J. I., Mar 2017, In : Land Use Policy. 62, p. 185-201 17 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
11 Citations (Scopus)
316 Downloads (Pure)

The potential benefits of on-farm mitigation scenarios for reducing multiple pollutant loadings in prioritised agri-environment areas across England

Zhang, Y., Collins, A. L., Jones, J. I., Johnes, P. J., Inman, A. & Freer, J. E., Jul 2017, In : Environmental Science and Policy. 73, p. 100-114 15 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
12 Citations (Scopus)
401 Downloads (Pure)
2016

Assessing the drivers of dissolved organic matter export from two contrasting lowland catchments, U.K

Yates, C., Johnes, P. & Spencer, R., 1 Nov 2016, In : Science of The Total Environment. 569–570, p. 1330-1340 11 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
13 Citations (Scopus)
710 Downloads (Pure)

Determination of the nature and origins of riverine phosphorus in catchments underlain by Upper Greensand

Mouchos, E., Johnes, P., Buss, H. & Gooddy, D., Jun 2016.

Research output: Contribution to conferenceConference Abstract

Obituary: Brian Moss (1943 - 2016)

Jeppesen, E. & Johnes, P., Jun 2016, Hydrobiologia, 778, p. 1-7 7 p.

Research output: Contribution to specialist publicationArticle (Specialist Publication)

Short-term biotic removal of dissolved organic nitrogen (DON) compounds from soil solution and subsequent mineralisation in contrasting grassland soils

Carswell, A. M., Hill, P., Jones, D., Blackwell, M., Johnes, P. J. & Chadwick, D., May 2016, In : Soil Biology and Biochemistry. 96, p. 82-85 4 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
9 Citations (Scopus)
287 Downloads (Pure)

Tackling agricultural diffuse pollution: What might uptake of farmer-preferred measures deliver for emissions to water and air?

Collins, A., Zhang, Y., Winter, M., Inman, A., Jones, I., Johnes, P., Cleasby, W., Vrain, E., Lovett, A. & Noble, L., 15 Mar 2016, In : Science of The Total Environment. 547, p. 269-281 13 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
34 Citations (Scopus)
647 Downloads (Pure)

Technical Note: Testing an improved index for analysing storm discharge–concentration hysteresis

Lloyd, C. E. M., Freer, J. E., Johnes, P. J. & Collins, A. L., Feb 2016, In : Hydrology and Earth System Sciences. 20, 2, p. 625-632 8 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
35 Citations (Scopus)
493 Downloads (Pure)
Open Access
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98 Citations (Scopus)
420 Downloads (Pure)
2015

A geospatial framework to support integrated biogeochemical modelling in the United Kingdom

Greene, S., Johnes, P. J., Bloomfield, J., Reaney, S., Lawley, R., Elkhatib, Y., Freer, J. E., Odoni, N. A., Macleod, C. J. A. & Percy, B., Jun 2015, In : Environmental Modelling and Software. 68, p. 219-232 14 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
19 Citations (Scopus)
458 Downloads (Pure)

Discharge and nutrient uncertainty: Implications for nutrient flux estimation in small streams.

Lloyd, C., Freer, J., Johnes, P., Coxon, G. & Collins, A., 20 Dec 2015, In : Hydrological Processes. 30, 1, p. 135–152 18 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
29 Citations (Scopus)
337 Downloads (Pure)
2014

Distributed and dynamic modelling of hydrology, phosphorus and ecology in the Hampshire Avon and Blashford Lakes: Evaluating alternative strategies to meet WFD standards

Whitehead, P., Jin, L., Crossman, J., Comber, S., Johnes, P. J., Daldorph, P., Flynn, N., Collins, A., Butterfield, D., Mistri, R., Bardon, R., Pope, L. & Willows, R., 2014, In : Science of The Total Environment. 481, p. 157-166 10.1016/j.scitotenv.2014.02.007.

Research output: Contribution to journalArticle (Academic Journal)

14 Citations (Scopus)

Environmental Virtual Observatory: Final Report

Emmett, B., Gurney, R., McDonald, A., Blair, G., Buytaert, W., Freer, J. E., Haygarth, P., Johnes, P. J., Rees, G., Tetzlaff, D., E, A., Ball, L., Beven, K., M, B., J, B., Brewer, P., J, D., Elkhatib, Y., Field, D., A, G. & 17 others, Greene, S., Huntingford, C., Mackay, EH., Macklin, M., MacLeod, K., Marshall, KE., Odoni, N., Percy, B., Quinn, P., Reaney, S., M., S., B, S., Thomas, N., C, V., Williams, B., Wilkinson, M. & P, Z., 2014, NE/I002200/1 ed. Natural Environment Research Council. 78 p.

Research output: Book/ReportCommissioned report

Open Access
File
115 Downloads (Pure)

Ground penetrating radar as a tool to improve heritage management of wetlands

Bunting, C., Branch, N., Steve, R. & Johnes, P., Jul 2014, 15th International Conference on Ground Penetrating Radar (GPR), June 30 - July 4, 2014, Brussels,. Institute of Electrical and Electronics Engineers (IEEE), p. 54-59 6 p. doi: 10.1109/ICGPR.2014.6970384

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

Heads in the cloud: innovation in data and model dissemination

Emmett, B., Gurney, R., McDonald, A., Ball, L., M, B., Blair, G., Bloomfield, J., Buytaert, W., J, D., Elkhatib, Y., Freer, J. E., A, G., Greene, S., Haygarth, P., Huntingford, C., Johnes, P. J., Mackay, EH., Macklin, M., MacLeod, K., Odoni, N. A. & 12 others, Percy, B., Quinn, P., Reaney, S., Rees, G., M., S., B, S., Tetzlaff, D., Thomas, N., C, V., Wilkinson, M., Williams, B. & P, Z., Aug 2014, International Innovation, 141, p. 82-85 4 p.

Research output: Contribution to specialist publicationArticle (Specialist Publication)

Open Access
File
97 Downloads (Pure)

High-frequency monitoring of nitrogen and phosphorus response in three rural catchments to the end of the 2011-2012 drought in England

Outram, F. N., Lloyd, C. E. M., Jonczyk, J., McW. H. Benskin, C., Grant, F., Perks, M. T., Deasy, C., Burke, S. P., Collins, A. L., Freer, J., Haygarth, P. M., Hiscock, K. M., Johnes, P. J. & Lovett, A. L., 8 Sep 2014, In : Hydrology and Earth System Sciences. 18, 9, p. 3429-3448 20 p.

Research output: Contribution to journalArticle (Academic Journal)

67 Citations (Scopus)

Investigating the impact of data uncertainty on the estimation of catchment nutrient fluxes.

Lloyd, C. E. M., Freer, J. E., Collins, A., Johnes, P. J. & Coxon, G., 2014.

Research output: Contribution to conferenceConference Poster

Methods for detecting change in hydrochemical time series in response to targeted pollutant mitigation in river catchments.

Lloyd, C. E. M., Freer, J. E., Johnes, P. J., Collins, A. & Jones, I., 2014, In : Journal of Hydrology. 514, p. 297–312

Research output: Contribution to journalArticle (Academic Journal)

24 Citations (Scopus)
2013

Assessing the effects of sampling design on water quality status classification

Lloyd, C. E. M., Freer, J. E., Johnes, P. J. & Collins, A., 2013, Geophysical Research Abstracts. Vol. 15. p. EGU2013-13032

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

Catchment Science in the C21st: challenges, future directions and research needs.

Demonstration Test Catchments Team & Environmental Virtual Observatory Team, 2013, AGU Fall Meeting Abstracts. American Geophysical Union

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

High-resolution monitoring of catchment nutrient response to the end of the 2011–2012 drought in England, captured by the demonstration test catchments

Outram, F., Lloyd, C. E. M., Jonczyk, J., Benskin, C. M., Grant, F., Dorling, S. R., Steele, C., Collins, A. L., Freer, J. E., Haygarth, P. M., Hiscock, K., Johnes, P. J. & Lovett, A. A., 11 Dec 2013, In : Hydrology and Earth System Sciences Discussions. 10, 12, p. 15119-15165 47 p.

Research output: Contribution to journalArticle (Academic Journal)

Integrating geophysics and geoarchaeology for a heritage management toolkit in wetlands: Shapwick Heath case study.

Bunting, C., Branch, N., Robinson, S., Johnes, P. J. & Jones, L., 2013, Archaeological Prospection : Proceedings of the 10th International Conference - Vienna May 29th - June 2nd 2013. Neubauer, W., Trinks, I., Salisbury, R. B. & Einwögerer, C. (eds.). Vienna: Austrian Academy of Sciences Press, Vienna, p. 215 217 p.

Research output: Chapter in Book/Report/Conference proceedingChapter in a book