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Personal profile

Research interests

Lee Bryant is a Lecturer in the Water, Environment and Infrastructure Research (WEIR) group within the Architecture and Civil Engineering Dept. Her research interests include biogeochemistry and cross-media mass transfer with a link to sustainable geoenvironmental engineering. Her key focus is characterising how sediment-water fluxes influence water quality in lakes, drinking-water supply reservoirs and oceans.

Lee performed her doctoral work jointly between Virginia Tech (Virginia, USA) and Eawag (Lucerne, CH); this research focused on the effects of dynamic turbulence on benthic oxygen conditions and the influence of variations in turbulence and oxygen levels on the biogeochemical cycling of manganese and iron. After obtaining her PhD degree in 2010, Lee did postdoctoral work at Duke University (North Carolina, USA) and ETH (Zurich, CH) which focused on using voltammetric methods to measure reduced metal species within the sediment and the water column. She then obtained a postdoctoral-research position at the Helmholtz Centre for Ocean Research Kiel – GEOMAR (Kiel, DE) to assess oxygen fluxes using the eddy-correlation method and to evaluate nutrient cycling in oceanic oxygen minimum zones.

Lee joined the University of Bath as a Prize Fellow in 2014 and became a Lecturer in 2016.

Research

Lee’s research is based on how turbulence and oxygen levels, both natural (e.g., via wind) and engineered (e.g., via hypolimnetic oxygenation systems), affect the 1) biogeochemical cycling of nutrients and metals and 2) corresponding water quality and ecosystem health.

Lee’s expertise and research focuses on biogeochemical cycling in aquatic systems with specialization in the mass transport of oxygen, metals and nutrients within the water column and at the sediment-water interface within both marine and freshwater systems. She typically uses a largely field-based approach to her research and has a solid background in using in water-quality-based in situ sampling and the use of microsensor and voltammetric technology to monitor and model these processes. Her research group is currently focusing on:

  1. The influence of aeration on the biogeochemistry of drinking-water-supply reservoirs
  2. Effects of seasonal algal blooms on marine benthic oxygen dynamics
  3. The geochemical, microbial and hydrologic characteristics of storm runoff loads within an informal settlement
  4. The influence of bioturbation and respiration on oxygen and trace metal cycling

Willing to supervise PhD

Interested in supervising students studying:

  • Biogeochemical cycling
  • Lake and reservoir management
  • Using oxygenation and other engineered methods to improve and/or maintain water quality 

Fingerprint Fingerprint is based on mining the text of the person's scientific documents to create an index of weighted terms, which defines the key subjects of each individual researcher.

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Projects 2015 2018

Evaluating the structural responses of Manganese-cycling biofilms to ecological shifts in the Lower Blyde River Irrigation System

Botes, M., Stonde, W., Carstens, A., Bryant, L. & Wolfaardt, G.

Project: Research-related fundingResearch

GCRF: Solar-based faecal sludge treatment for rural communities in developing countries

Briggs, K., Wenk, J. & Bryant, L.

7/07/1621/03/17

Project: Research councilResearch, Internally Funded Research

GCRF: Evaluating how manganese is blocking global water supplies

Bryant, L. & Wenk, J.

7/07/1621/03/17

Project: Research councilResearch, Internally Funded Research

Research Output 2003 2018

Characterisation of faecal sludge simulants for drying experiments

Deering, N., Briggs, K., Bryant, L. & Way, C. 9 Jul 2018

Research output: Contribution to conferencePaper

Open Access
File
sludge
dewatering
experiment
health and safety
drying

Using small-scale measurements to estimate hypolimnetic oxygen depletion in a deep lake

Schwefel, R., Chwalek, T., Bouffard, D., Bryant, L., Mueller, B. & Wuest, A. 1 Mar 2018 In : Limnology and Oceanography. 63, S1, p. S54-S67

Research output: Contribution to journalArticle

oxygen
lake
sediment
water column
hydrodynamics
Open Access
File
Pathogens
pathogen
persistence
flooding
modeling
1 Citations

Increased sediment oxygen flux in lakes and reservoirs: The impact of hypolimnetic oxygenation

Bierlein, K. A., Rezvani, M., Socolofsky, S. A., Bryant, L. D., Wüest, A. & Little, J. C. 18 Jun 2017 In : Water Resources Research. 53, 6, p. 4876-4890 15 p.

Research output: Contribution to journalArticle

Open Access
File
oxygenation
oxygen
lake
sediment
turbulence

We make fake poo in a laboratory – to improve sanitation in Bangladesh

Deering, N., Briggs, K., Bryant, L. & Wenk, J. Jul 2017 The Conversation

Research output: Contribution to specialist publicationArticle

Open Access