Professor Hao Zhang

Professor

Research Interests

Soils

  • Investigating the influences of soil dynamic processes and chemical speciation on metal uptake by plants.
  • Using a more mechanistically based soil nutrient assessment system to improve the prediction of plant nutrient requirements. (collaboration with CSIRO)
  • Developing and applying dynamic models to understand DGT-soil and plant-soil interactions.
  • Investigating the effect of mixtures of potentially toxic metals on earthworms using both experimental and modeling approaches. (collaboration with CEH)
  • New methods for integrated risk assessment of cumulative stressors by using DGT in pseudo-steady state and depletion modes.

Sediments

  • Understanding the micro-heterogeneity of trace elements in sediments through 2D high resolution measurements using DGT and DET techniques
  • Developing and applying a 3D transport, reaction and dynamic model to understand the biogeochemical processes of trace metals in sediments.

Waters

  • Investigating the importance of the speciation and dissociation kinetics of trace metals in natural waters using novel in situ measurements.
  • Event-triggered passive sampling for environmental regulatory monitoring of metals, nutrients and radionuclides.
  • www.es.lancs.ac.uk/wdgroup/members/zhang.htm

Development and characterisation of a new Sr selective resin for the rapid determination of 90Sr in environmental water samples.
Surman, J., Pates, J., Zhang, H., Happel, S. 1/11/2014 In: Talanta. 129, p. 623-628. 6 p.
Journal article

Control of river stage on the reactive chemistry of the hyporheic zone
Byrne, P., Binley, A., Heathwaite, L., Ullah, S., Heppell, C.M., Lansdown, K., Zhang, H., Trimmer, M., Keenan, P. 15/08/2014 In: Hydrological Processes. 28, 17, p. 4766-4779. 14 p.
Journal article

Amyloid-β fibrils in Alzheimer's Disease are not inert when bound to copper ions but can degrade hydrogen peroxide and generate reactive oxygen species
Mayes, J., Tinker-Mill, C., Kolosov, O., Zhang, H., Tabner, B., Allsop, D. 25/04/2014 In: Journal of Biological Chemistry. 289, p. 12052-12062. 11 p.
Journal article

Fine-scale in situ measurement of riverbed nitrate production and consumption in an armored permeable riverbed
Lansdown, K., Heppell, C.M., Dossena, M., Ullah, S., Heathwaite, A.L., Binley, A., Zhang, H., Trimmer, M. 15/04/2014 In: Environmental Science and Technology. 48, 8, p. 4425-4434. 10 p.
Journal article

Interpreting spatial patterns in redox and coupled water–nitrogen fluxes in the streambed of a gaining river reach
Heppell, C.M., Heathwaite, A.L., Binley, A., Byrne, P., Ullah, S., Lansdown, K., Keenan, P., Trimmer, M., Zhang, H. 03/2014 In: Biogeochemistry. 117, 2-3, p. 491-509. 19 p.
Journal article

Evidence and recommendations to support the use of a novel passive water sampler to quantify antibiotics in wastewaters
Chen, C., Zhang, H., Ying, G., Jones, K.C. 15/11/2013 In: Environmental Science and Technology. 47, 23, p. 13587-13593. 7 p.
Journal article

Revealing the spatial variability of water fluxes at the groundwater-surface water interface
Binley, A., Ullah, S., Heathwaite, L., Heppell, C.M., Byrne, P., Lansdown, K., Trimmer, M., Zhang, H. 07/2013 In: Water Resources Research. 49, 7, p. 3972-3992. 15 p.
Journal article

A passive sampler for in situ measurement of pharmaceutical and personal care ingredients in waters
Chen, W., Chen, C., Zhang, H., Jones, K.C., Ying, G., Xu, N., Price, O.R., Li, H., Sweetman, A.J. 2013
Abstract

Passive pore water sampling provides evidence of suppression of hyporheic exchange and ntrate transformation in a groundwater-fed river
Byrne, P., Zhang, H., Heathwaite, L., Binley, A., Ullah, S., Kaeser, D., Heppell, C.M., Lansdown, K., Trimmer, M. 2013
Conference paper

Performance comparison on three resins of o-DGT for in-situ PPCP measurement in waters
Chen, W., Chen, C., Zhang, H., Price, O.R., Sweetman, A., Jones, K.C., Li, H. 2013
Abstract

Testing copper-speciation predictions in freshwaters over a wide range of metal–organic matter ratios
Ahmed, I., Hamilton-Taylor, J., Lofts, S., Meeussen, C.L., Lin, C., Zhang, H., Davison, W. 2013 In: Environmental Science and Technology. 47, 3, p. 1487–1495. 9 p.
Journal article

In situ measurement of redox sensitive solutes at high spatial resolution in a riverbed using Diffusive Equilibrium in Thin Films (DET)
Ullah, S., Zhang, H., Heathwaite, L., Binley, A., Lansdown, K., Heppell, C., Trimmer, M. 12/2012 In: Ecological Engineering. 49, p. 18-26. 9 p.
Journal article

A novel passive water sampler for in situ sampling of antibiotics
Chen, C., Zhang, H., Jones, K.C. 06/2012 In: Journal of Environmental Monitoring. 14, 6, p. 1523-1530. 8 p.
Journal article

Characterization of the key pathways of dissimilatory nitrate reduction and their response to complex organic substrates in hyporheic sediments
Lansdown, K., Trimmer, M., Heppell, C., Sgouridis, F., Ullah, S., Heathwaite, L., Binley, A., Zhang, H. 03/2012 In: Limnology and Oceanography. 57, 2, p. 387-400. 14 p.
Journal article

Fine-scale measurement of reactive solutes in armoured riverbed sediments
Byrne, P., Zhang, H., Heathwaite, L., Binley, A., Ullah, S., Kaeser, D., Heppell, C., Lansdown, K., Trimmer, M. 2012
Poster

How well can we predict and measure metal speciation in freshwaters?
Hamilton-Taylor, J., Ahmed, I., Davison, W., Zhang, H. 4/10/2011 In: Environmental Chemistry. 8, 5, p. 461-465. 5 p.
Journal article

Size-fractionated labile trace elements in the Northwest Pacific and Southern Oceans
Baeyens, W., Bowie, A.R., Buesseler, K., Elskens, M., Gao, Y., Lamborg, C., Leermakers, M., Remenyi, T., Zhang, H. 20/09/2011 In: Marine Chemistry. 126, 1-4, p. 108-113. 6 p.
Journal article

Organic matter-solid phase interactions are critical for predicting arsenic release and plant uptake in Bangladesh paddy soils
Williams, P.N., Zhang, H., Davison, W., Meharg, A.A., Hossain, M., Norton, G.J., Brammer, H., Islam, M.R. 2011 In: Environmental Science and Technology. 45, 14, p. 6080-6087. 8 p.
Journal article

Prediction of wheat response to an application of phosphorus under field conditions using diffusive gradients in thin-films (DGT) and extraction methods
Mason, S., McNeill, A., McLaughlin, M.J., Zhang, H. 12/2010 In: Plant and Soil. 337, 1-2, p. 243-258. 16 p.
Journal article

The association of cobalt with iron and manganese (oxyhydr)oxides in marine sediment.
Stockdale, A., Davison, W., Zhang, H., Hamilton-Taylor, J. 09/2010 In: Aquatic Geochemistry. 16, 4, p. 575-585. 11 p.
Journal article

Formation of iron sulfide at faecal pellets and other microniches within suboxic surface sediment.
Stockdale, A., Davison, W., Zhang, H., Davison, W. 1/05/2010 In: Geochimica et Cosmochimica Acta. 74, 9, p. 2665-2676. 12 p.
Journal article

2D simultaneous measurement of the oxyanions of P, V, As, Mo, Sb, W and U.
Stockdale, A., Davison, W., Zhang, H. 04/2010 In: Journal of Environmental Monitoring. 12, 4, p. 981-984. 4 p.
Journal article

Micro-scale biogeochemical heterogeneity in sediments : a review of available technology and observed evidence.
Stockdale, A., Davison, W., Zhang, H. 01/2009 In: Earth-Science Reviews. 92, 1-2, p. 81-97. 17 p.
Journal article

In situ speciation measurements of trace metals in headwater streams
Warnken, K., Lawlor, A.J., Lofts, S., Tipping, E., Davison, W., Zhang, H. 2009 In: Environmental Science and Technology. 43, 19, p. 7230-7236. 7 p.
Journal article

Predicting availability of mineral elements to plants with the DGT technique: a review of experimental data and interpretation by modelling
Degryse, F., Smolders, E., Zhang, H., Davison, W. 2009
Scientific review

Understanding small-scale features in DGT measurements in sediments.
Sochaczewski, Ł., Davison, W., Zhang, H., Tych, W. 2009 In: Environmental Chemistry. 6, 6, p. 477-485. 9 p.
Journal article

Interpretation of in situ speciation measurements of inorganic and organically complexed trace metals in freshwater by DGT
Warnken, K.W., Davison, W., Zhang, H. 15/09/2008 In: Environmental Science and Technology. 42, 18, p. 6903-6909. 7 p.
Journal article

A three-dimensional reactive transport model for sediments, incorporating microniches.
Sochaczewski, Ł., Stockdale, A., Davison, W., Tych, W., Zhang, H. 19/06/2008 In: Environmental Chemistry. 5, 3, p. 218-225. 8 p.
Journal article

High-resolution two-dimensional quantitative analysis of phosphorus, vanadium and arsenic, and qualitative analysis of sulphide, in a freshwater sediment.
Stockdale, A., Davison, W., Zhang, H. 17/04/2008 In: Environmental Chemistry. 5, 2, p. 143-149. 7 p.
Journal article

Quantitative assessment of soil parameter (KD and TC) estimation using DGT measurements and the 2D DIFS model.
Lehto, N.J., Sochaczewski, Ł., Davison, W., Tych, W., Zhang, H. 03/2008 In: Chemosphere. 71, 4, p. 795-801. 7 p.
Journal article

Fine scale remobilisation of Fe, Mn, Co, Ni, Cu and Cd in contaminated marine sediment.
Zhang, H., Davison, W., Finke, N., Tankere-Muller, S. 08/2007 In: Marine Chemistry. 106, 1-2, p. 192-207. 16 p.
Journal article

2D DGT induced fluxes in sediments and soils (2D DIFS).
Sochaczewski, Ł., Tych, W., Davison, B., Zhang, H. 01/2007 In: Environmental Modelling and Software. 22, 1, p. 14-23. 10 p.
Journal article

An evaluation of DGT performance using a dynamic numerical model.
Lehto, N.J., Davison, W., Zhang, H., Tych, W. 15/10/2006 In: Environmental Science and Technology. 40, 20, p. 6368-6376. 9 p.
Journal article

Theoretical comparison of how soil processes affect uptake of metals by diffusive gradients in thinfilms and plants.
Lehto, N.J., Davison, W., Zhang, H., Tych, W. 10/2006 In: Journal of Environmental Quality. 35, 5, p. 1903-1913. 11 p.
Journal article

Dynamic aspects of DGT as demonstrated by experiments with lanthanide complexes of a multidentate ligand.
Aaberg-Garmo, Ø., Lehto, N.J., Zhang, H., Davison, W., Royset, O., Steinnes, E. 1/08/2006 In: Environmental Science and Technology. 40, 15, p. 4754-4760. 7 p.
Journal article

Analysis of Micro-Nutrient Behaviour in the Rhizosphere using a DGT Parameterised Dynamic Plant Uptake Model
Lehto, N.J., Davison, W., Zhang, H., Tych, W. 04/2006 In: Plant and Soil. 282, 1-2, p. 227-238. 12 p.
Journal article

Model Predictions of Metal Speciation in Freshwaters Compared to Measurements by In Situ Techniques
Unsworth, E.R., Warnken, K.W., Zhang, H., Davison, W., Black, F., Buffle, J., Cao, J., Cleven, R., Galceran, J., Gunkel, P., Kalis, E., Kistler, D., Van Leeuwen, H.P., Martin, M., Noël, S., Nur, Y., Odzak, N., Puy, J., Van Riemsdijk, W., Sigg, L., Temminghoff, E., Tercier-Waeber, M., Toepperwien, S., Town, R.M., Weng, L., Xue, H. 15/03/2006 In: Environmental Science and Technology. 40, 6, p. 1942-1949. 8 p.
Journal article

Kinetics of zinc and cadmium release in freshly contaminated soils.
Zhang, H., Davison, W., Tye, A.M., Crout, N.M.J., Young, S.D. 03/2006 In: Environmental Toxicology and Chemistry. 25, 3, p. 664-670. 7 p.
Journal article

Diffusion coefficients of metals and metal complexes in hydrogels used in diffusive gradients in thin films.
Scally, S., Davison, W., Zhang, H. 3/02/2006 In: Analytica Chimica Acta. 558, 1-2, p. 222-229. 8 p.
Journal article

Accuracy of the Diffusive Gradients in Thin-Films Technique: Diffusive Boundary Layer and Effective Sampling Area Considerations
Warnken, K.W., Zhang, H., Davison, W. 2006 In: Analytical Chemistry. 78, 11, p. 3780-3787. 8 p.
Journal article

Performance of a mixed binding layer (MBL) for measuring anions and cations in a single assay using the diffusive gradients in thin films technique.
Mason, S.D., Hamon, R.E., Nolan, A.L., Zhang, H., Davison, W. 1/10/2005 In: Analytical Chemistry. 77, 19, p. 6339-6346. 8 p.
Journal article

Trace metal measurements in low ionic strength solutions by diffusive gradients in thin-films (DGT).
Warnken, K., Zhang, H., Davison, W. 1/09/2005 In: Analytical Chemistry. 77, 17, p. 5440-5456. 17 p.
Journal article

Desorption kinetics of Cd, Zn and Ni measured in intact soils by DGT.
Ernstberger, H., Zhang, H., Tye, A., Young, S., Davison, W. 15/03/2005 In: Environmental Science and Technology. 39, 6, p. 1591-1597. 7 p.
Journal article

Comparison of different microbial bioassays to assess metal contamination in soils.
Tandy, S., Barbosa, V., Tye, A., Preston, S., Paton, G., Zhang, H., McGrath, S. 03/2005 In: Environmental Toxicology and Chemistry. 24, 3, p. 530-536. 7 p.
Journal article

Evaluating a free ion activity model applied to metal uptake by Lolium perenne L. grown in contaminated soils.
Hough, R.L., Tye, A., Crout, N., McGrath, S.P., Zhang, H., Young, S. 03/2005 In: Plant and Soil. 270, 1, p. 1-12. 12 p.
Journal article

Prediction of zinc, cadmium, lead and copper availability to wheat in contaminated soils using chemical speciation, diffusive gradients in thin-films, extraction, and isotopic dilution techniques.
Nolan, A., Zhang, H., McLaughlin, M.J. 03/2005 In: Journal of Environmental Quality. 34, 2, p. 496-507. 12 p.
Journal article

Use of DGT to measure cadmium speciation in solutions with synthetic and natural ligands : comparison with model predictions.
Unsworth, E., Zhang, H., Davison, W. 15/01/2005 In: Environmental Science and Technology. 39, 2, p. 624-630. 7 p.
Journal article

Development and Performance of the Diffusive Gradients in Thin-Films Technique for the Measurement of Technetium-99 in Seawater.
French, M., Zhang, H., Pates, J.M., Bryan, S., Wilson, R. 1/01/2005 In: Analytical Chemistry. 77, 1, p. 135-139. 5 p.
Journal article

In-situ Speciation of Ni and Zn in Freshwaters: Comparison Between DGT Measurements and Speciation Models.
Zhang, H. 03/2004 In: Environmental Science and Technology. 38, 5, p. 1421-1427. 7 p.
Journal article

Rhizosphere characteristics of the arsenic hyperaccumulator Pteris vittata L. and monitoring techniques for its use in phytoextraction.
Fitz, W.J., Wenzel, W.W., Zhang, H., Nurmi, J., Štipek, K., Fischerova, Z., Schweiger, P., Köllensperger, G., Ma, L.Q., Stingeder, G.J. 1/11/2003 In: Environmental Science and Technology. 37, 21, p. 5008-5014. 7 p.
Journal article

Simultaneous release of metals and sulphide in lacustrine sediment.
Motelica-Heino, M., Naylor, C., Zhang, H., Davison, W. 1/10/2003 In: Environmental Science and Technology. 37, 19, p. 4374-4381. 8 p.
Journal article

Relating soil solution Zn concentration to DGT measurements in contaminated soils.
Degryse, F., Smolders, E., Oliver, I., Zhang, H. 1/09/2003 In: Environmental Science and Technology. 37, 17, p. 3958-3965. 8 p.
Journal article

In situ measurements of dissociation kinetics and labilities of metal complexes in synthetic solutions using DGT.
Zhang, H., Davison, W., Scally, S. 1/04/2003 In: Environmental Science and Technology. 37, p. 1379-1384. 6 p.
Journal article

Predicting solution pCd2+ and pZn2+ from labile and total soil metal pools.
Tye, A.M., Young, S.D., Crout, N.M.J., Zhang, H., Preston, S., Bailey, E.H., Davison, W., Mcgrath, S.P., Paton, G.I., Kilham, K., Resende, L. 1/02/2003 In: Geochimica et Cosmochimica Acta. 67, 3, p. 375-385. 11 p.
Journal article

In-situ trace metal speciation in lake surface waters using DGT, dialysis and filtration.
Gimpel, J., Zhang, H., Davison, W., Edwards, A.C. 1/01/2003 In: Environmental Science and Technology. 37, 1, p. 138-146. 9 p.
Journal article

Anthropogenic metal enrichment of snow and soil in North-Eastern European Russia.
Walker, T.R., Young, S.D., Crittenden, P.D., Zhang, H. 01/2003 In: Environmental Pollution. 121, 1, p. 11-21. 11 p.
Journal article

Localised remobilisation of metals in a marine sediment.
Zhang, H., Davison, W., Mortimer, R., Krom, M.D., Hayes, P.J., Davies, I.M. 16/09/2002 In: Science of the Total Environment. 296, 1-3, p. 175-187. 13 p.
Journal article

Effective metal concentrations in porewater and seawater labile metal concentrations associated with copper mine tailings disposal into the coastal waters of the Atacama region of northern Chile.
Lee, M.R., Correa, J.A., Zhang, H. 09/2002 In: Marine Pollution Bulletin. 44, 9, p. 956-961. 6 p.
Journal article

Determination of chromium speciation in natural systems using DGT.
Ernstberger, H., Zhang, H., Davison, W. 08/2002 In: Analytical and Bioanalytical Chemistry. 373, 8, p. 873-879. 7 p.
Journal article

In situ fixation of metals using bauxite residue: chemical assessment.
Lombi, E., Zhao, F.J., Zhang, G., Sun, B., Fitz, W., Zhang, H., McGrath, S.P. 08/2002 In: Environmental Pollution. 118, 3, p. 435-444. 10 p.
Journal article

Performance of DGT (diffusive gradients in thin films) for measuring Ca and Mg in freshwater.
Dahlqvist, R., Zhang, H., Ingri, J., Davison, W. 5/06/2002 In: Analytica Chimica Acta. 460, 2, p. 247-256. 10 p.
Journal article

Predicting arsenic solubility in contaminated soils using isotopic dilution techniques.
Tye, A.M., Young, S.D., Crout, N.M.J., Zhang, H., Preston, S., Bailey, E.H., Davison, W., Mcgrath, S.P., Paton, G.I., Kilham, K. 1/03/2002 In: Environmental Science and Technology. 36, 5, p. 982-988. 7 p.
Journal article

Heavy metals and arsenic in sediments, mussels and marine water from Murano (Venice, Italy).
Giusti, L., Zhang, H. 03/2002 In: Environmental Geochemistry and Health. 24, 1, p. 47-65. 19 p.
Journal article

Effect of solution composition, flow and deployment time on the measurement of trace metals by the diffusive gradient in thin films technique.
Gimpel, J., Zhang, H., Hutchinson, W., Davison, W. 3/12/2001 In: Analytica Chimica Acta. 448, 1-2, p. 93-103. 11 p.
Journal article

A new method to measure effective soil solution concentration predicts copper availability to plants.
Zhang, H., Davison, W., Sun, B., Zhao, F.J. 06/2001 In: Environmental Science and Technology. 35, 12, p. 2602-2607. 6 p.
Journal article

In situ speciation measurements. Using diffusive gradients in thin films (DGT) to determine inorganically and organically complexed metals.
Zhang, H., Davison, W. 2001 In: Pure and Applied Chemistry. 73, 1, p. 9-15. 7 p.
Journal article

Direct in situ measurements of labile inorganic and organically bound metal species in synthetic solutions and natural waters using diffusive gradients in thin films.
Zhang, H., Davison, W. 15/09/2000 In: Analytical Chemistry. 72, 18, p. 4447-4457. 11 p.
Journal article

Remobilisation of major ions in freshly deposited lacustrine sediment at overturn.
Zhang, H., Davison, W., Ottley, C. 12/1999 In: Aquatic Sciences - Research Across Boundaries . 61, 4, p. 354-361. 8 p.
Journal article

Measuring bioavailable trace metals by diffusive gradients in thin films (DGT): soil moisture effects on its performance in soils.
Hooda, P.S., Zhang, H., Davison, W., Edwards, A.C. 07/1999 In: European Journal of Soil Science. 50, 2, p. 285-294. 10 p.
Journal article

A novel DGT-sediment trap device for the in-situ measurement of element remobilisation from settling particles in water columns and its application to trace metal release from Mn and Fe oxides.
Hamilton-Taylor, J., Smith, E.J., Davison, W., Zhang, H. 1999 In: Limnology and Oceanography. 44, 7, p. 1772-1780. 9 p.
Journal article

In situ measurement of phosphate in natural waters using DGT.
Zhang, H., Davison, W., Gade, R., Kobayashi, T. 31/08/1998 In: Analytica Chimica Acta. 370, 1, p. 29-38. 10 p.
Journal article

Kinetics of metal exchange between solids and solutions in sediments and soils interpreted from DGT measured fluxes.
Harper, M., Davison, W., Zhang, H., Tych, W. 08/1998 In: Geochimica et Cosmochimica Acta. 62, 16, p. 2757-2770. 14 p.
Journal article

In situ measurement of solution concentrations and fluxes of trace metals in soils using DGT.
Zhang, H., Davison, W., Knight, B., McGrath, S. 1/03/1998 In: Environmental Science and Technology. 32, 5, p. 704-710. 7 p.
Journal article

In situ high resolution measurements of fluxes of Ni, Cu, Fe, and Mn and concentrations of Zn and Cd in porewaters by DGT.
Zhang, H., Davison, W., Miller, S., Tych, W. 10/1995 In: Geochimica et Cosmochimica Acta. 59, 20, p. 4181-4192. 12 p.
Journal article

Performance Characteristics of Diffusion Gradients in Thin Films for the in Situ Measurement of Trace Metals in Aqueous Solution.
Zhang, H., Davison, W. 10/1995 In: Analytical Chemistry. 67, 19, p. 3391-3400. 10 p.
Journal article

New In-Situ Procedures for Measuring Trace Metals in Pore Waters.
Zhang, H., Davison, W., Grime, G.W. 1995 In: Dredging, Remediation, and Containment of Contaminated Sediments. ASTM Digigal Library p. 170-181. 12 p. ISBN: 978-0-8031-5316-5.
Chapter

Developing and applying new techniques for measuring steep chemical gradients of trace metals and inorganic ions at the sediment-water interface.
Davison, W., Zhang, H., Miller, S. 1994 In: Mineralogical Magazine. 58A, p. 215-216. 2 p.
Journal article

High Resolution Sampling of Pore Waters Using a Gel Probe from Esthwaite Water, Lake District.
Krom, M.D., Davison, P., Zhang, H., Davison, W. 1994 In: Mineralogical Magazine. 58A, 1, p. 497-498. 2 p.
Journal article

High-resolution pore-water sampling with a gel sampler.
Krom, M.D., Davison, P., Zhang, H., Davison, W. 1994 In: Limnology and Oceanography. 39, 8, p. 1967-1972. 6 p.
Journal article

Performance Characteristics of Gel Probes Used For Measuring the Chemistry of Pore Waters.
Davison, W., Zhang, H., Grime, G.W. 1994 In: Environmental Science and Technology. 28, 9, p. 1623-1632. 10 p.
Journal article