Contact Details

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The University of Aberdeen University of Aberdeen School of Geosciences St Mary's Building, Room 125 Elphinstone Road Aberdeen AB24 3UF United Kingdom


Academic history

  • Since August 2014: Lecturer in Hydrology at the Northern Rivers Institute, School of Geosciences, University of Aberdeen (maternity leave: September 2015 - March 2016)
  • 2012-2014: Postdoctoral Research Fellow at the Northern Rivers Institute, School of Geosciences, University of Aberdeen
  • 2008-2012: PhD Degree Civil Engineering and Geosciences, Newcastle University, Newcastle upon Tyne, United Kingdom. Thesis title: 'Multiscale impacts of land use/management changes on flood response in the River Hodder catchment, north-west England' 
  • 2005-2007: MSc EcoHydrology, VU University Amsterdam, Netherlands. Thesis title: 'Changes in soil physical characteristics and hillslope hydrological response associated with forest conversion to pasture - Veracruz, Mexico'
  • 2002-2005: BSc Earth Sciences, VU University Amsterdam, Netherlands. 

Research Interests


My research is focussed primarily on understanding catchment processes at different scales and how these are affected by (environmental) change, with the ultimate aim to better inform sustainable management of catchments for the future. The main drivers of hydrological processes are sought through the integration of monitoring and modelling of systems.

Key research interests include:

  • Multiscale catchment hydrology
  • Detection and prediction of water resources and land use/management practices impacts on the catchment hydrological behaviour and aquatic ecology of rivers
  • Vegetation- and soil–water linkages with respect to water storage, transmission and release
  • Flood management

These are addressed using field based approaches in conjunction with hydrological modelling at multiple spatial scales, and also include Geographic Information Systems (GIS), the interpretation of environmental tracers (stable water isotopes), and statistical methods. 

Research Grants

  • 'Water and the circular economy - where is the greatest sustainable economic benefit for resource recovery in the water cycle?' Centre of Expertise for Waters (CREW), Research and Development Project (£37,409). Co-Investigator In collaboration with Davide Dionisi (Engineering), 2018. 
  • 'Evaluating nature based strategies in rural landscapes for managing low flows and stream temperatures', NERC and Chivas Brothers (£90,000), Lead Supervisor, 2017-2021
  • 'Integrating novel water storage and flow sensing techniques to improve hydrological models/predictions', Macaulay Development Trust (£70,000), Lead University Supervisor, 2017-2020
  • 'Extreme rainfall and floods in arid regions: replenishment or contamination of water resources?', NERC Urgency Grant (£70,000), Co-Investigator. In collaboration with J-C Comte (PI), Botswana International University of Science and Technology (Palapye), the International Water Management Institute (Pretoria) and the Botswana Department of Water Affairs (Gaborone), 2017-2018
  • 'Red Soil CZ: From natural to anthropogenic evolution of Red Soil and its impact on ecosystem function in the Critical Zone', NERC (£800,000), Co-Investigator. In collaboration with P Hallett (PI, IBES Aberdeen), J. Smith (IBES Aberdeen), M. Hodson (York) and the Institute of Soil Science, Chinese Academy of Sciences, 2016-2019
  • ‘Can novel cosmic ray soil moisture probes be used to address the urgent need for upscaling water storage and flux dynamics in hydrological models?’, Royal Society Research Grant (£15,000), Sole Investigator, 2015-2016
  • ‘Suspended sediment transport dynamics in tropical volcanic landforms’, British Society for Geomorphology, Early Career Researcher Grant (£5,000), Principal Investigator, 2015-2016
  • ‘Integrated approaches to assess multiscale water sources, flow paths and residence times in changing landscapes’, The Carnegie Trust for Scottish Universities, Research Incentive Grant (£7,500), Sole Investigator, 2015-2016

Teaching Responsibilities

Course Co-ordinator

  • GG4071 Environmental Hydrology (4th year course)
  • GG2013 Physical Environments (2nd year course)

Additional Teaching

  • Annual Catchment Science Summer School shortcourse for Post Graduate students and Post Docs, University of Aberdeen. 
  • GG1510 Global Worlds, Local Challenges
  • GG2510 Mapping & Monitoring the Environment
  • GG3069 Remote Sensing & GIS
  • GG3575 Techniques in Physical Geography
  • GG5539 Fundamentals of GIS & Spatial Analysis
  • GG5540 Current Applications of GIS


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Contributions to Journals


  • Buddendorf, WB., Malcolm, IA., Geris, J., Fabris, L., Millidine, KJ., Wilkinson, ME. & Soulsby, C. (2017). 'Spatio-temporal effects of river regulation on habitat quality for Atlantic salmon fry'. Ecological Indicators, vol 83, pp. 292-302.
    [Online] DOI: 10.1016/j.ecolind.2017.08.006
  • Geris, J., Tetzlaff, D., McDonnell, JJ. & Soulsby, C. (2017). 'Spatial and temporal patterns of soil water storage and vegetation water use in humid northern catchments'. Science of the Total Environment, vol 595, pp. 486-493.
    [Online] DOI: 10.1016/j.scitotenv.2017.03.275
  • Buddendorf, WB., Malcolm, IA., Geris, J., Wilkinson, ME. & Soulsby, C. (2017). 'Metrics to assess how longitudinal channel network connectivity and in-stream Atlantic salmon habitats are impacted by hydropower regulation'. Hydrological Processes, vol 31, no. 12, pp. 2132-2142.
    [Online] DOI: 10.1002/hyp.11159
  • Soulsby, C., Bradford, J., Dick, J., McNamara, JP., Geris, J., Lessels, J., Blumstock, M. & Tetzlaff, D. (2016). 'Using geophysical surveys to test tracer-based storage estimates in headwater catchments'. Hydrological Processes, vol 30, no. 23, pp. 4434-4445.
    [Online] DOI: 10.1002/hyp.10889
    [Online] AURA: Soulsby_et_al_geophysics.pdf
  • Birkel, C., Geris, J., Molina, MJ., Mendez, C., Arce, R., Dick, J., Tetzlaff, D. & Soulsby, C. (2016). 'Hydroclimatic controls on non-stationary stream water ages in humid tropical catchments'. Journal of Hydrology, vol 542, pp. 231-240.
    [Online] DOI: 10.1016/j.jhydrol.2016.09.006
  • Geris, J., Tetzlaff, D., McDonnell, J., Anderson, J., Paton, G. & Soulsby, C. (2015). 'Ecohydrological separation in wet, low energy northern environments? A preliminary assessment using different soil water extraction techniques'. Hydrological Processes, vol 29, no. 25, pp. 5139-5152.
    [Online] DOI: 10.1002/hyp.10603
    [Online] AURA: Ecohydrological_Separation_paper_final_wordversion.pdf
  • Geris, J., Tetzlaff, D., Seibert, J., Vis, M. & Soulsby, C. (2015). 'Conceptual modelling to assess hydrological impacts and evaluate environmental flow scenarios in montane river systems regulated for hydropower'. River Research and Applications, vol 31, no. 9, pp. 1066-1081.
    [Online] DOI: 10.1002/rra.2813
  • Geris, J., Tetzlaff, D. & Soulsby, C. (2015). 'Resistance and resilience to droughts: hydropedological controls on catchment storage and run-off response'. Hydrological Processes, vol 29, no. 21, pp. 4579-4593.
    [Online] DOI: 10.1002/hyp.10480
    [Online] AURA: hyp10480_wordversion.pdf
  • Soulsby, C., Birkel, C., Geris, J., Dick, J., Tunaley, CL. & Tetzlaff, D. (2015). 'Stream water age distributions controlled by storage dynamics and nonlinear hydrologic connectivity: Modeling with high-resolution isotope data'. Water Resources Research, vol 51, no. 9, pp. 7759-7776.
    [Online] DOI: 10.1002/2015WR017888
    [Online] AURA: Soulsby_et_al_2015_Water_Resources_Research.pdf
  • Soulsby, C., Birkel, C., Geris, J. & Tetzlaff, D. (2015). 'Spatial aggregation of time-variant stream water ages in urbanizing catchments'. Hydrological Processes, vol 29, no. 13, pp. 3038-3050.
    [Online] DOI: 10.1002/hyp.10500
    [Online] AURA: HYP_14_0990_R1_Jim_s_edits.pdf
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