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Professor Christopher Soulsby

Professor Christopher Soulsby
Professor Christopher Soulsby
Professor Christopher Soulsby

DSc, PhD, Fellow American Geophysical Union

Chair in Hydrology

About
Email Address
c.soulsby@abdn.ac.uk
Telephone Number
+44 (0)1224 272344
School/Department
School of Geosciences

Biography

  • Fellow of the American Geophysical Union; since 2013
  • 2010-2014: Head of School of Geosciences
  • 2008: Founding member and Director of the Northern Rivers Institute, School of Geosciences, University of Aberdeen
  • 2005 DSc, University of Aberdeen, School of Geosciences “Hydrological pathways, biogeochemical interactions and ecological responses in catchment systems: towards a scientific basis for sustainable management”
  • 1999 Professor of Hydrology, School of Geoscience, University of Aberdeen.
  • 1997-99 Senior Lecturer, Department of Geography, University of Aberdeen.
  • 1993-97 Lecturer, Department of Geography, University of Aberdeen.
  • 1991-93 Hydrologist, Environment Agency, Newcastle-upon-Tyne.
  • 1991 Research Fellow in Hydrology, University of Wales, (Bangor).
  • 1990-91 Lecturer, Department of Geographical Sciences, University of Plymouth.
  • 1987-90 PhD, University of Wales, University College, Swansea: PhD in Hydrology, Thesis (1991) "Hydrological pathways, aluminium mobilization and streamwater acidity in an afforested catchment in upland Wales." 380pp. 

External Memberships

International

  • Associate Editor, Hydrological Processes
  • Editorial Board of Journal of Hydrology
  • Editorial Board of Hydrology and Earth System Sciences
  • Theme leader in Process Conceptualization – International Association of Hydrological Sciences (IAHS) Initiative in Prediction in Ungauged Basins (PUB).
  • Vice President, International Commission on Tracers, International Association of Hydrological Sciences (2003).
  • Member of Water Operations Technical Support advisory group for the US Army Corps of Engineers (2003).
  • Member of FRIEND 5 international working group on Hydrological and biogeochemical processes in a changing environment (2001).
  • Science Review Panel of Aquatic Habitat Matrix, US National Marine Fisheries Service (2000)

National

  • International Association of Hydrological Sciences Prediction in Ungauged Basins Initiative - UK Working Group.
  • Hydromorphology Working Group, Scottish Environment Protection Agency (2004-)
  • Advisory Board, River Restoration Centre, Cranfield (2000-02 )
  • Committee Member of the British Hydrological Society (1996-99)
  • Member of Scottish Environment Protection Agency Task Group on Habitat Enhancement Initiative (1998-99)
  • Member of SNH Advisory Group on the Re-introduction of Beavers (1999)
  • Member of St Fergus Dunes Management Committee (1994-97)

Membership of Professional Bodies

  • International Association of Hydrological Sciences
  • European Geophysical Society
  • American Geophysical Union
  • British Hydrological Society
  • Fisheries Society of the British Isles
  • Royal Geographical Society
  • British Geomorphological Research Group
Research

Research Overview

Runoff processes, streamflow generation and catchment biogeochemistry

  • Use of isotopic and geochemical tracers in identifying hydrological pathways, water sources, residence times and biogeochemical controls on stream chemistry.
  • Linkages between hillslope hydrology and streamflow generation.
  • Integrating the results of tracer studies in hydrological models.
  • Upscaling flow path understanding and landscape controls in mesoscale catchments

Groundwater – surface water interactions

  • Groundwater-surface water interactions in upland environments.
  • Linkages between hillslope hydrology and groundwater – surface water exchange.
  • Hyporheic studies: influence of groundwater on the chemistry and ecology of the hyporheic zone.
  • Groundwater-surface water interactions in alluvial floodplains.

Hydroecology of rivers and wetlands

  • Interactions between flow variability, channel morphology, instream hydraulics and freshwater ecosystems; particularly with respect to salmonids and macroinvertebrates.
  • Impacts of river regulation on aquatic ecosystems and the development of environmental flow regimes.
  • Hydrology and conservation management of wetlands.

Current Research

Research Projects (Include)

  • Streamflow generation in catchment systems

    Examination of mechanisms of streamflow generation in different types of catchments at contrasting scales is an ongoing research theme. Our particular interests are the flow paths that water takes through catchments, the length of time taken to reach river channels and the biogeochemical processes that it is subjected to. We integrate insights from field experiments and modelling studies in our work. A key theme is the use of environmental tracers, including stable isotopes, in understanding patterns of water movement. A main thrust of recent research has been based on the Catchment Hydrology And Sustainable Management (CHASM) initiative funded by NERC/JIF and based in the 225km2 river Feshie catchment in the Cairngorms. This prompted comparative studies in the 31km2 Girnock catchment and the 230km2 in the Feugh catchment, in collaboration with Dr Susan Waldron of the University of Glasgow. This work had the objective of identifying landscape controls on catchment behaviour at the regional scale and involved Dr Doerthe Tetzlaff in extensive use of GIS analysis.

  • Integrating tracers and modelling in catchment hydrology

    Building from work in the Allt a' Mharcaidh catchment in the western Cairngorms, we have strong interests in integrating the findings of tracer studies in catchment modelling. This ranges from simple rainfall runoff models to semi-distrbuted catchments. Tracers can provide independent means of testing such models. A current theme, involving Dr Doerthe Tetzlaff and Dr Sarah Dunn at the Macaulay Institute, is applying such approaches at larger spatial scales in the Feshie, Feugh and Girnock catchments in the Cairngorms.

  • Groundwater - surface water interactions in upland catchments

    We have a long standing interest in the role of groundwater in influencing the hydrology, chemistry and ecology of upland streams and rivers. This mostly involves the examination of shallow groundwater systems in drifts and fractured bedrock and has used both tracers and hydrometric approaches to increase insights into the complex processes involved. Recent initiatives have involved collaboration with Dr Iain Malcolm at the Freshwater Laboratory in Pitlochry to identify the locations of groundwater discharge in the Girnock catchment in the Cairngoms. Further a field we are working with Atul Haria (Centre for Ecology and Hydrology) and Paul Shand (British Geological Survey) on their dense borehole arrays on their hillslope at the CEH Plynlimon catchments in Mid-Wales.

  • Hydroecology of the hyporheic zone

    The physical, chemical and ecological significance of the hyporheic zone is being investigated in a number of streams to ascertain; (a) spatial variation in groundwater inputs into stream channels, (b) the effects on streamwater chemistry and (c) the consequences for aquatic organisms. The dynamic nature of the hyporheic zone is also being examined, particularly with respect to the impact on salmonid embryo mortalities and macroinvertebrate communities. This work is collaborative with Dr Iain Malcolm and Alan Youngson of the FRS-Freshwater Laboratory in Pitlochry.

  • Habitat hydraulics and thermal regimes in salmon spawning rivers

    The influence of in-stream hydraulics on salmon habitats is being investigated in relation to spawning activities and the provision of food to juvenile fish. This work also heavily involves Dr’s Chris Gibbins and Doerthe Tetzlaff . In addition to hydraulic characterization of different habitats by field monitoring, advanced numerical modelling techniques are being explored in conjunction with Dr’s Iain McEwan and Dubravka Pokrajac in the Department of Engineering at the University of Aberdeen. The importance of stream temperature as a physical aspect of ecological habitats in salmon rivers is also a research topic, currently undertaken collaboratively with Dr David Hannah of the University of Birmingham. We are also interested how such hydraulic conditions and thermal regimes are affected by river regulation and have recently carried out projects on the heavily regulated River Lyon in Perthshire and the River Ehen in Cumbria. The influence that management has on other groups of species in salmon rivers – such as macroinvertebrates and freshwater pearl mussels – has also been a focus of research.

  • Management of wetlands

    Conservation objectives in wetlands ranging from lowland raised bogs in Scotland to seasonal flood plain wetlands in Africa, often involve hydrological assessment for rehabilitation. This reflects the impact of activities such as drainage and deforestation which have affected former hydrological regimes. We have carried out extensive research in Scotland on lowland raised bogs such as Moine Mhor in Argyll. Our major current initiative focuses on the wetlands of Kasanka National Park in Zambia. With funding from the Darwin Initiative, and in collaboration with Professor Paul Racey (School of Biological Sciences, University of Aberdeen), Dr Glenn Iason (Macaulay Institute) and Post-Doctoral Research Fellow Dr Mike Kennedy we are examining the hydrological functioning of a range of wetlands – which support high levels of biodiversity – with a view to developing plans for their sustainable management.

 

 

Research Students (PhD)

Ongoing:

  • B. Scheliga (Start 2015) Surface water and groundwater interactions in northern landscapes. (with Profs D. Tetzlaff and G. Nuetzmann)
  • B. Buddendorf (start 2014) Multiscale modelling to assess to impacts on flows and ecology in regulated rivers (with Dr Iain Malcolm, Dr J Geris and Dr M Wilkinson). 
  • L. Fabris (start 2014) Modelling the effects of flows and temperatures on Atlantic salmon; opportunities for Atlantic salmon (with Dr Iain Malcolm, D Tetzlaff)
  • C. Tunaley, PhD (start 2013): High frequency processes in upland catchments (with D Tetzlaff)
  • M. Blumstock (start 2013) Connectivity and storage in riparian zones (with Profs D. Tetzlaff and G. Nuetzmann)
  • A. Peralta Tapia Peralta (start 2011) Hydrological transit times in Boreal catchments. (with Profs H. Laudon, J. Seibert and D Tetzlaff)

 

 

Publications

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  • A comparison of wetness indices for the prediction of observed connected saturated areas under contrasting conditions

    Ali, G., Birkel, C., Tetzlaff, D., Soulsby, C., McDonnell, J. J., Tarolli, P.
    Earth Surface Processes and Landforms, vol. 39, no. 3, pp. 399-413
    Contributions to Journals: Articles

  • Storage dynamics in hydropedological units control hillslope connectivity, runoff generation, and the evolution of catchment transit time distributions

    Tetzlaff, D., Birkel, C., Dick, J. J., Geris, J., Soulsby, C.
    Water Resources Research, vol. 50, no. 2, pp. 969-985
    Contributions to Journals: Articles

  • The influence of forestry on acidification and recovery: insights from long-term hydrochemical and invertebrate data

    Malcolm, I. A., Gibbins, C. N., Fryer, R. J., Keay, J., Tetzlaff, D., Soulsby, C.
    Ecological Indicators, vol. 37, no. Part B, pp. 317-329
    Contributions to Journals: Articles

  • Influence of lowland aquifers and anthropogenic impacts on the isotope hydrology of contrasting mesoscale catchments

    Mcgrane, S. J., Tetzlaff, D., Soulsby, C.
    Hydrological Processes, vol. 28, no. 3, pp. 793-808
    Contributions to Journals: Articles

  • Projecting climate change impacts on stream flow regimes with tracer-aided runoff models: preliminary assessment of heterogeneity at the mesoscale

    Capell, R., Tetzlaff, D., Essery, R., Soulsby, C.
    Hydrological Processes, vol. 28, no. 3, pp. 545-558
    Contributions to Journals: Articles

  • Assessing urbanization impacts on catchment transit times

    Soulsby, C., Birkel, C., Tetzlaff, D.
    Geophysical Research Letters, vol. 41, no. 2, pp. 442-448
    Contributions to Journals: Articles

  • Analysis of hydrological seasonality across northern catchments using monthly precipitation-runoff polygon metrics

    Ali, G. A., Tetzlaff, D., Kruitbos, L. M., Soulsby, C., Carey, S., McDonnell, J., Buttle, J., Laudon, H., Seibert, J., McGuire, K., Shanley, J.
    Hydrological Sciences Journal, vol. 59, no. 1, pp. 56-72
    Contributions to Journals: Articles

  • Use of color maps and wavelet coherence to discern seasonal and interannual climate influences on streamflow variability in northern catchments

    Carey, S. K., Tetzlaff, D., Buttle, J., Laudon, H., McDonnell, J., McGuire, K., Seibert, J., Soulsby, C., Shanley, J.
    Water Resources Research, vol. 49, no. 10, pp. 6194-6207
    Contributions to Journals: Articles

  • Modeling the dynamics of metabolism in montane streams using continuous dissolved oxygen measurements

    Birkel, C., Soulsby, C., Malcolm, I., Tetzlaff, D.
    Water Resources Research, vol. 49, no. 9, pp. 5260-5275
    Contributions to Journals: Articles

  • Influence of contrasting riparian forest cover on stream temperature dynamics in salmonid spawning and nursery streams

    Imholt, C., Soulsby, C., Malcolm, I. A., Gibbins, C. N.
    Ecohydrology, vol. 6, no. 3, pp. 380-392
    Contributions to Journals: Articles

  • Influence of scale on thermal characteristics in a large montane river basin

    Imholt, C., Soulsby, C., Malcolm, I., Hrachowitz, M., Gibbins, C., Langan, S., Tetzlaff, D.
    River Research and Applications, vol. 29, no. 4, pp. 403-419
    Contributions to Journals: Articles

  • Process realism: Flow paths and storage

    Tetzlaff, D., Al-Rawas, G., Blöschl, G., Carey, S., Fan, Y., Hrachowitz, M., Kirnbauer, R., Jewitt, G., Laudon, H., McGuire, K., Sayama, T., Soulsby, C., Zehe, E., Wagener, T.
    Runoff prediction in ungauged basins: Synthesis across processes, places and scales. Bloschl, G., Sivapalan, M., Wagener, T., Viglione, A., Savenije, H. (eds.). Cambridge University Press, pp. 53-70, 18 pages
    Chapters in Books, Reports and Conference Proceedings: Chapters (Peer-Reviewed)

  • Catchments on the cusp?: Structural and functional change in northern ecohydrology

    Tetzlaff, D., Soulsby, C., Buttle, J., Capell, R., Carey, S. K., Laudon, H., McDonnell, J., McGuire, K., Seibert, S., Shanley, J.
    Hydrological Processes, vol. 27, no. 5, pp. 766-774
    Contributions to Journals: Articles

  • Potential effects of climate change on streambed scour and risks to salmonid survival in snow-dominated mountain basins

    Goode, J. R., Buffington, J. M., Tonina, D., Isaak, D. J., Thurow, R. F., Wenger, S., Nagel, D., Luce, C., Tetzlaff, D., Soulsby, C.
    Hydrological Processes, vol. 27, no. 5, pp. 750-765
    Contributions to Journals: Articles

  • Will catchment characteristics moderate the projected effects of climate change on flow regimes in the Scottish Highlands?

    Capell, R., Tetzlaff, D., Soulsby, C.
    Hydrological Processes, vol. 27, no. 5, pp. 687-699
    Contributions to Journals: Articles

  • Spatial delineation of groundwater-surface water interactions through intensive in-stream profiling

    Haria, A. H., Shand, P., Soulsby, C., Noorduijn, S.
    Hydrological Processes, vol. 27, no. 4, pp. 628-634
    Contributions to Journals: Articles

  • What can flux tracking teach us about water age distribution patterns and their temporal dynamics?

    Hrachowitz, M., Savenije, H., Bogaard, T. A., Tetzlaff, D., Soulsby, C.
    Hydrology and Earth System Sciences, vol. 17, no. 2, pp. 533-564
    Contributions to Journals: Articles

  • Topographic, pedologic and climatic interactions influencing streamflow generation at multiple catchment scales

    Ali, G., Tetzlaff, D., Soulsby, C., McDonnell, J.
    Hydrological Processes, vol. 26, no. 25, pp. 3858-3874
    Contributions to Journals: Articles

  • Incorporating hydromorphology in strategic approaches to managing flows for salmonids

    Newson, M., Sear, D., Soulsby, C.
    Fisheries Management and Ecology, vol. 19, no. 6, pp. 490-499
    Contributions to Journals: Articles

  • The influence of hydrology and hydraulics on salmonids between spawning and emergence: implications for the management of flows in regulated rivers

    Malcolm, I. A., Gibbins, C. N., Soulsby, C., Tetzlaff, D., Moir, H. J.
    Fisheries Management and Ecology, vol. 19, no. 6, pp. 464-474
    Contributions to Journals: Articles

  • Can time domain and source area tracers reduce uncertainty in rainfall runoff models in larger heterogeneous catchments?

    Capell, R., Tetzlaff, D., Soulsby, C.
    Water Resources Research, vol. 48, no. 9, W09544
    Contributions to Journals: Articles

  • Land use and hydroclimatic influences on Faecal Indicator Organisms in two large Scottish catchments: towards land use-based models as screening tools

    Tetzlaff, D., Capell, R., Soulsby, C.
    Science of the Total Environment, vol. 434, pp. 110-122
    Contributions to Journals: Articles

  • The biogeochemical reactivity of suspended particulate matter at nested sites in the Dee basin, NE Scotland

    Dawson, J. J. C., Adhikari, Y. R., Soulsby, C., Stutter, M. I.
    Science of the Total Environment, vol. 434, pp. 159-170
    Contributions to Journals: Articles

  • A new approach to simulating stream isotope dynamics using Markov switching autoregressive models

    Birkel, C., Paroli, R., Spezia, L., Dunn, S. M., Tetzlaff, D., Soulsby, C.
    Advances in Water Resources, vol. 46, pp. 20-30
    Contributions to Journals: Articles

  • Spatial and temporal variability in Atlantic salmon spawning habitat in braided river channels: a preliminary assessment

    Soulsby, C., Grant, J., Gibbins, C. N., Malcolm, I.
    Aquatic Sciences, vol. 74, no. 3, pp. 571-586
    Contributions to Journals: Articles

  • A comparison of similarity indices for catchment classification using a cross-regional dataset

    Ali, G., Tetzlaff, D., Soulsby, C., McDonnell, J., Capell, R.
    Advances in Water Resources, vol. 40, no. -, pp. 11-22
    Contributions to Journals: Articles

  • Do time-variable tracers aid the evaluation of hydrological model structure?: A multi-model approach

    McMillan, H., Tetzlaff, D., Clark, M., Soulsby, C.
    Water Resources Research, vol. 48, no. 5, W05501
    Contributions to Journals: Articles

  • Linking metrics of hydrological function and transit times to landscape controls in a heterogeneous mesoscale catchment

    Capell, R., Tetzlaff, D., Hartley, A. J., Soulsby, C.
    Hydrological Processes, vol. 26, no. 3, pp. 405-420
    Contributions to Journals: Articles

  • High-frequency storm event isotope sampling reveals time-variant transit time distributions and influence of diurnal cycles

    Birkel, C., Soulsby, C., Tetzlaff, D., Dunn, S., Spezia, L.
    Hydrological Processes, vol. 26, no. 2, pp. 308-316
    Contributions to Journals: Articles

  • Modelling the impacts of land cover change on streamflow dynamics of a tropical rainforest headwater catchment

    Birkel, C., Soulsby, C., Tetzlaff, D.
    Hydrological Sciences Journal, vol. 57, no. 8, pp. 1–19
    Contributions to Journals: Articles

  • Catchment-scale estimates of flow path partitioning and water storage based on transit time and runoff modelling

    Soulsby, C., Piegat, K., Seibert, J., Tetzlaff, D.
    Hydrological Processes, vol. 25, no. 25, pp. 3960-3976
    Contributions to Journals: Articles

  • Modelling catchment-scale water storage dynamics: reconciling dynamic storage with tracer-inferred passive storage

    Birkel, C., Soulsby, C., Tetzlaff, D.
    Hydrological Processes, vol. 25, no. 25, pp. 3924-3936
    Contributions to Journals: Articles

  • Source distribution modelling for end-member mixing in hydrology

    Brewer, M. J., Tetzlaff, D., Malcolm, I. A., Soulsby, C.
    Environmetrics, vol. 22, no. 8, pp. 921-932
    Contributions to Journals: Articles

  • Storage as a Metric of Catchment Comparison

    McNamara, J. P., Tetzlaff, D., Bishop, K., Soulsby, C., Seyfried, M., Peters, N. E., Aulenbach, B. T., Hooper, R.
    Hydrological Processes, vol. 25, no. 21, pp. 3364-3371
    Contributions to Journals: Articles

  • Using hydrochemical tracers to conceptualise hydrological function in a larger scale catchment draining contrasting geologic provinces

    Capell, R., Tetzlaff, D., Malcolm, I. A., Hartley, A. J., Soulsby, C.
    Journal of Hydrology, vol. 408, no. 1-2, pp. 164-177
    Contributions to Journals: Articles

  • Characterisation of channel reach morphology and associated controls in deglaciated montane catchments in the Cairngorms, Scotland

    Addy, S., Soulsby, C., Hartley, A. J., Tetzlaff, D.
    Geomorphology, vol. 132, no. 3-4, pp. 176-186
    Contributions to Journals: Articles

  • Is interstitial velocity a good predictor of salmonid embryo survival?

    Malcolm, I. A., Youngson, A. F., Soulsby, C., Imholt, C., Fryer, R. J.
    Transactions of the American Fisheries Society, vol. 140, no. 4, pp. 898-904
    Contributions to Journals: Articles

  • Seasonal controls on DOC dynamics in nested upland catchments in NE Scotland

    Dawson, J. J. C., Tetzlaff, D., Speed, M., Hrachowitz, M., Soulsby, C.
    Hydrological Processes, vol. 25, no. 10, pp. 1647-1658
    Contributions to Journals: Articles

  • Relative influence of upland and lowland headwaters on the isotope hydrology and transit times of larger catchments

    Tetzlaff, D., Soulsby, C., Hrachowitz, M., Speed, M.
    Journal of Hydrology, vol. 400, no. 3-4, pp. 438-447
    Contributions to Journals: Articles

  • Sensitivity of mean transit time estimates to model conditioning and data availability

    Hrachowitz, M., Soulsby, C., Tetzlaff, D., Malcolm, I. A.
    Hydrological Processes, vol. 25, no. 6, pp. 980-990
    Contributions to Journals: Articles

  • Spatial association of nest construction by brown trout Salmo trutta

    Youngson, A. F., Piertney, S. B., Thorley, J. L., Malcolm, I. A., Soulsby, C.
    Journal of Fish Biology, vol. 78, no. 3, pp. 713-725
    Contributions to Journals: Articles

  • Using lumped conceptual rainfall-runoff models to simulate daily isotope variability with fractionation in a nested mesoscale catchment

    Birkel, C., Tetzlaff, D., Dunn, S. M., Soulsby, C.
    Advances in Water Resources, vol. 34, no. 3, pp. 383-394
    Contributions to Journals: Articles

  • Hydroecological responses to climate change in Northern catchments

    Tetzlaff, D., Soulsby, C.
    EOS, vol. 92, no. 8, pp. 66
    Contributions to Journals: Abstracts

  • Does diurnal temperature variability affect growth in juvenile Atlantic salmon Salmo salar?

    Imholt, C., Malcolm, I. A., Bacon, P. J., Gibbins, C. N., Soulsby, C., Miles, M., Fryer, R. J.
    Journal of Fish Biology, vol. 78, no. 2, pp. 436-448
    Contributions to Journals: Articles

  • Using time domain and geographic source tracers to conceptualize streamflow generation processes in lumped rainfall-runoff models

    Birkel, C., Tetzlaff, D., Dunn, S. M., Soulsby, C.
    Water Resources Research, vol. 47, no. 2, w02515
    Contributions to Journals: Articles

  • Evolution of the spatial and temporal characteristics of the isotope hydrology of a montane river basin

    Speed, M., Hrachowitz, M., Soulsby, C., Tetzlaff, D.
    Hydrological Sciences Journal, vol. 56, no. 3, pp. 426-442
    Contributions to Journals: Articles

  • Influence of riparian cover on stream temperatures and the growth of the mayfly Baetis rhodani in an upland stream

    Imholt, C., Gibbins, C. N., Malcolm, I. A., Langan, S., Soulsby, C.
    Aquatic Ecology, vol. 44, no. 4, pp. 669-678
    Contributions to Journals: Articles

  • Inter-comparison of hydro-climatic regimes across northern catchments: Synchronicity, resistance and resilience

    Carey, S. K., Tetzlaff, D., Seibert, J., Soulsby, C., Buttle, J., Laudon, H., McDonnell, J., McGuire, K., Caissie, D., Shanley, J., Kennedy, M., Devito, K., Pomeroy, J. W.
    Hydrological Processes, vol. 24, no. 24, pp. 3591-3602
    Contributions to Journals: Articles

  • Thermal regimes in a large upland salmon river: a simple model to identify the influence of landscape controls and climate change on maximum temperatures

    Hrachowitz, M., Soulsby, C., Imholt, C., Malcolm, I. A., Tetzlaff, D.
    Hydrological Processes, vol. 24, no. 23, pp. 3374-3391
    Contributions to Journals: Articles

  • Spatial distribution of transit times in montane catchments: Conceptualization tools for management

    Soulsby, C., Tetzlaff, D., Hrachowitz, M.
    Hydrological Processes, vol. 24, no. 22, pp. 3283-3288
    Contributions to Journals: Articles

  • Gamma distribution models for transit time estimation in catchments: physical interpretation of parameters and implications for time-variant transit time assessment

    Hrachowitz, M., Soulsby, C., Tetzlaff, D., Malcolm, I. A., Schoups, G.
    Water Resources Research, vol. 46, no. 10, W10536
    Contributions to Journals: Articles

  • Assessing the value of high-resolution isotope tracer data in the stepwise development of a lumped conceptual rainfall-runoff model

    Birkel, C., Dunn, S. M., Soulsby, C., Tetzlaff, D.
    Hydrological Processes, vol. 24, no. 16, pp. 2335-2348
    Contributions to Journals: Articles

  • Storm flow and baseflow response to reduced acid deposition: using Bayesian compositional analysis in hydrograph separation with changing end members

    Tetzlaff, D., Brewer, M. J., Malcolm, I. A., Soulsby, C.
    Hydrological Processes, vol. 24, no. 16, pp. 2300-2312
    Contributions to Journals: Articles

  • Are transit times useful process-based tools for flow prediction and classification in ungauged basins in montane regions?

    Soulsby, C., Tetzlaff, D., Hrachowitz, M.
    Hydrological Processes, vol. 24, no. 12, pp. 1685-1696
    Contributions to Journals: Articles

  • Comparing chloride and water isotopes as hydrological tracers in two Scottish catchments

    Kirchner, J. W., Tetzlaff, D., Soulsby, C.
    Hydrological Processes, vol. 24, no. 12, pp. 1631-1645
    Contributions to Journals: Articles

  • Generality of fractal 1/f scaling in catchment tracer time series, and its implications for catchment travel time distributions

    Godsey, S. E., Aas, W., Clair, T. A., de Wit, H. A., Fernandez, I. J., Kahl, J. S., Malcolm, I. A., Neal, C., Neal, M., Nelson, S. J., Norton, S. A., Palucis, M. C., Skjelkvåle, B. L., Soulsby, C., Tetzlaff, D., Kirchner, J. W.
    Hydrological Processes, vol. 24, no. 12, pp. 1660-1671
    Contributions to Journals: Articles

  • How old is streamwater?: Open questions in catchment transit time conceptualization, modelling and analysis

    McDonnell, J. J., McGuire, K., Aggarwal, P., Beven, K. J., Biondi, D., Destouni, G., Dunn, S., James, A., Kirchner, J., Kraft, P., Lyon, S., Maloszewski, P., Newman, B., Pfister, L., Rinaldo, A., Rodhe, A., Sayama, T., Seibert, J., Solomon, K., Soulsby, C., Stewart, M., Tetzlaff, D., Tobin, C., Troch, P., Weiler, M., Western, A., Wörman, A., Wrede, S.
    Hydrological Processes, vol. 24, no. 12, pp. 1745-1754
    Contributions to Journals: Articles

  • Transit time distributions of a conceptual model: Their characteristics and sensitivities

    Dunn, S. M., Birkel, C., Tetzlaff, D., Soulsby, C.
    Hydrological Processes, vol. 24, no. 12, pp. 1719-1729
    Contributions to Journals: Articles

  • Hydrological connectivity and microbiological fluxes in montane catchments: The role of seasonality and climatic variability

    Tetzlaff, D., Soulsby, C., Birkel, C.
    Hydrological Processes, vol. 24, no. 9, pp. 1231-1235
    Contributions to Journals: Articles

  • Isotopic and geochemical tracers reveal similarities in transit times in contrasting mesoscale catchments

    Speed, M., Tetzlaff, D., Soulsby, C., Hrachowitz, M., Waldron, S.
    Hydrological Processes, vol. 24, no. 9, pp. 1211-1224
    Contributions to Journals: Articles

  • Hyporheic zone processes in a canalised agricultural stream: implications for salmonid embryo survival

    Malcolm, I. A., Middlemas, C. A., Soulsby, C., Middlemas, S. J., Youngson, A. F.
    Fundamental and Applied Limnology, vol. 176, no. 4, pp. 319-336
    Contributions to Journals: Articles

  • Towards a simple dynamic process conceptualization in rainfall-runoff models using multi-criteria calibration and tracers in temperate, upland catchments

    Birkel, C., Tetzlaff, D., Dunn, S. M., Soulsby, C.
    Hydrological Processes, vol. 24, no. 3, pp. 260-275
    Contributions to Journals: Articles

  • Catchment transit times and landscape controls: does scale matter?

    Hrachowitz, M., Soulsby, C., Tetzlaff, D., Speed, M. R. D.
    Hydrological Processes, vol. 24, no. 1, pp. 117-125
    Contributions to Journals: Articles

  • Characterizing Pb Mobilization from Upland Soils to Streams Using 206Pb/207Pb Isotopic Ratios

    Dawson, J. J. C., Tetzlaff, D., Carey, A., Raab, A., Soulsby, C., Killham, K. S., Meharg, A. A.
    Environmental Science & Technology, vol. 44, no. 1, pp. 243-249
    Contributions to Journals: Articles

  • Seasonal and Inter-Annual Variability in Hyporheic Water Quality Revealed by Continuous Monitoring in a Salmon Spawning Stream

    Soulsby, C., Malcolm, I., Tetzlaff, D., Youngson, A. F.
    River Research and Applications, vol. 25, no. 10, pp. 1304-1319
    Contributions to Journals: Articles

  • Tracers and transit times: windows for viewing catchment scale storage?

    Soulsby, C., Tetzlaff, D., Hrachowitz, M.
    Hydrological Processes, vol. 23, no. 24, pp. 3503-3507
    Contributions to Journals: Articles

  • Is the Composition of Dissolved Organic Carbon Changing in Upland Acidic Streams?

    Dawson, J. J. C., Malcolm, I., Middlemas, S., Tetzlaff, D., Soulsby, C.
    Environmental Science & Technology, vol. 43, no. 20, pp. 7748-7753
    Contributions to Journals: Articles

  • Seasonality of epCO(2) at different scales along an integrated river continuum within the Dee Basin, NE Scotland

    Dawson, J. J. C., Soulsby, C., Hrachowitz, M., Speed, M. R. D., Tetzlaff, D.
    Hydrological Processes, vol. 23, no. 20, pp. 2929-2942
    Contributions to Journals: Articles

  • A new method to identify the fluvial regimes used by spawning salmonids

    Moir, H. J., Gibbins, C. N., Buffington, J. M., Webb, J. H., Soulsby, C., Brewer, M. J.
    Canadian Journal of Fisheries and Aquatic Sciences, vol. 66, no. 9, pp. 1404-1408
    Contributions to Journals: Articles

  • Inter-catchment comparison to assess the influence of topography and soils on catchment transit times in a geomorphic province

    Tetzlaff, D., Seibert, J., Soulsby, C.
    Hydrological Processes, vol. 23, no. 13, pp. 1874-1886
    Contributions to Journals: Articles

  • Regionalization of transit time estimates in montane catchments by integrating landscape controls

    Hrachowitz, M., Soulsby, C., Tetzlaff, D., Dawson, J. J. C., Malcolm, I.
    Water Resources Research, vol. 45, no. 5, W05421
    Contributions to Journals: Articles

  • Using long-term data sets to understand transit times in contrasting headwater catchments

    Hrachowitz, M., Soulsby, C., Tetzlaff, D., Dawson, J. J. C., Dunn, S., Malcolm, I.
    Journal of Hydrology, vol. 367, no. 3-4, pp. 237-248
    Contributions to Journals: Articles

  • How does landscape structure influence catchment transit time across different geomorphic provinces?

    Tetzlaff, D., Seibert, J., McGuire, K. J., Laudon, H., Burn, D. A., Dunn, S., Soulsby, C.
    Hydrological Processes, vol. 23, no. 6, pp. 945-953
    Contributions to Journals: Articles

  • Towards minimal calibration of process-based rainfall runoff models in mountainous watersheds: integrating tracer data into geomorphic instantaneous unit hydrographs

    Tetzlaff, D., Uhlenbrook, S., Eppert, S., Soulsby, C.
    IAHS-AISH Publication, vol. 326, pp. 49-55
    Contributions to Journals: Articles

  • Fine scale variability of hyporheic hydrochemistry in salmon spawning gravels with contrasting groundwater-surface water interactions

    Malcolm, I., Soulsby, C., Youngson, A. F., Tetzlaff, D.
    Quarterly Journal of Engineering Geology and Hydrogeology, vol. 17, no. 1, pp. 161-174
    Contributions to Journals: Articles

  • British and Irish Rivers

    Soulsby, C., Tetzlaff, D., Gibbins, C. N., Malcolm, I.
    Rivers of Europe. Tockner, K., Uehlinger, U., Robsinson, C. (eds.). Academic Press, pp. 381-420, 40 pages
    Chapters in Books, Reports and Conference Proceedings: Chapters (Peer-Reviewed)

  • Towards simple approaches for mean residence time estimation in ungauged basins using tracers and soil distributions

    Soulsby, C., Tetzlaff, D.
    Journal of Hydrology, vol. 363, no. 1-4, pp. 60-74
    Contributions to Journals: Articles

  • Interpretation of homogeneity in δ18O signatures of stream water in a nested sub-catchment system in north-east Scotland

    Dunn, S. M., Bacon, J. R., Soulsby, C., Tetzlaff, D., Stutter, M. I., Waldron, S., Malcolm, I. A.
    Hydrological Processes, vol. 22, no. 24, pp. 4767-4782
    Contributions to Journals: Articles

  • Consequences of invasion by the alien plant Mimulus guttatus on the species composition and soil properties of riparian plant communities in Scotland

    Truscott, A., Soulsby, C., Palmer, S. C., Soulsby, C., Westaway, S., Hulme, P. E.
    Perspectives in plant ecology, evolution and systematics, vol. 10, no. 4, pp. 231-240
    Contributions to Journals: Articles

  • Hydrological Influences on Adult Salmonid Migration, Spawning, and Embryo Survival

    Gibbins, C. N., Shellberg, J., Moir, H., Soulsby, C.
    Salmonid Spawning Habitat in Rivers: Physical Controls, Biological Responses, and Approaches to Remediation. Sear, D. A., DeVries, P. (eds.). American Fisheries Society, pp. 195-223, 29 pages
    Chapters in Books, Reports and Conference Proceedings: Chapters (Peer-Reviewed)

  • Hyporheic Influences on Salmon Embryo Survival and Performance

    Malcolm, I., Greig, S. M., Youngson, A. F., Soulsby, C.
    Salmonid Spawning Habitat in Rivers: Physical Controls, Biological Responses, and Approaches to Remediation. Sear, D. A., DeVries, P. (eds.). American Fisheries Society, pp. 225-248, 24 pages
    Chapters in Books, Reports and Conference Proceedings: Chapters (Peer-Reviewed)

  • Sources of baseflow in larger catchments: using tracers to develop a holistic understanding of runoff generation

    Tetzlaff, D., Soulsby, C.
    Journal of Hydrology, vol. 359, no. 3-4, pp. 287-302
    Contributions to Journals: Articles

  • Influence of hydrology and seasonality on DOC exports from three contrasting upland catchments

    Dawson, J. J. C., Soulsby, C., Tetzlaff, D., Hrachowitz, M., Dunn, S. M., Malcolm, I. A.
    Biogeochemistry, vol. 90, no. 1, pp. 93-113
    Contributions to Journals: Articles

  • Does the incorporation of process conceptualisation and tracer data improve the structure and performance of a simple rainfall-runoff model in a mesoscale catchment?

    Tetzlaff, D., Uhlenbrook, S., Eppert, S., Soulsby, C.
    Hydrological Processes, vol. 22, no. 14, pp. 2461-2474
    Contributions to Journals: Articles

  • Conceptualization in catchment modelling: simply learning?

    Dunn, S., Freer, J., Weiler, M., Kirkby, M. J., Seibert, J., Quinn, P., Lischeid, G., Tetzlaff, D., Soulsby, C.
    Hydrological Processes, vol. 22, no. 13, pp. 2389-2393
    Contributions to Journals: Articles

  • Catchment data for process conceptualization: simply not enough?

    Soulsby, C., Neal, C., Laudon, H., Burns, D. A., Merot, P., Bonell, M., Dunn, S. M., Tetzlaff, D.
    Hydrological Processes, vol. 22, no. 12, pp. 2057-2061
    Contributions to Journals: Articles

  • Influences of hydrological regimes on the pre-spawning entry of Atlantic salmon (Salmo salar L.) into an upland river

    Tetzlaff, D., Gibbins, C., Bacon, P. J., Youngson, A. F., Soulsby, C.
    River Research and Applications, vol. 24, no. 5, pp. 528-542
    Contributions to Journals: Articles

  • Conceptualizing catchment processes: simply too complex?

    Tetzlaff, D., McDonnell, J. J., Uhlenbrook, S., McGuire, K. J., Bogaart, P. W., Naef, F., Baird, A. J., Dunn, S. M., Soulsby, C.
    Hydrological Processes, vol. 22, no. 11, pp. 1727-1730
    Contributions to Journals: Articles

  • A comparison of forest and moorland stream microclimate, heat exchanges and thermal dynamics

    Hannah, D. M., Malcolm, I. A., Soulsby, C., Youngson, A. F.
    Hydrological Processes, vol. 22, no. 7, pp. 919-940
    Contributions to Journals: Articles

  • The influence of riparian woodland on stream temperatures: implications for the performance of juvenile salmonid

    Malcolm, I. A., Soulsby, C., Hannah, D. M., Bacon, P. J., Youngson, A. F., Tetzlaff, D.
    Hydrological Processes, vol. 22, no. 7, pp. 968-979
    Contributions to Journals: Articles

  • Assessing the vulnerability of riparian vegetation to invasion by Mimulus guttatus: relative importance of biotic and abiotic variables in determining species occurrence and abundance

    Truscott, A., Palmer, S. C. F., Soulsby, C., Hulme, P. E.
    Diversity and Distributions, vol. 14, pp. 412-421
    Contributions to Journals: Articles

  • Influence of forestry, environmental change and climatic variability on the hydrology, hydrochemistry and residence times of upland catchments

    Tetzlaff, D., Malcolm, I. A., Soulsby, C.
    Journal of Hydrology, vol. 346, no. 3-4, pp. 93-111
    Contributions to Journals: Articles

  • Stable isotope analysis reveals lower-order river dissolved inorganic carbon pools are highly dynamic

    Waldron, S., Scott, E. M., Soulsby, C.
    Environmental Science & Technology, vol. 41, no. 17, pp. 6156-6162
    Contributions to Journals: Articles

  • Conceptualization of runoff processes using a geographical information system and tracers in a nested mesoscale catchment

    Tetzlaff, D., Soulsby, C., Waldron, S., Malcolm, I. A., Bacon, P. J., Dunn, S. M., Lilly, A., Youngson, A. F.
    Hydrological Processes, vol. 21, no. 10, pp. 1289-1307
    Contributions to Journals: Articles

  • Connectivity between landscapes and riverscapes: a unifying theme in integrating hydrology and ecology in catchment science?

    Tetzlaff, D., Soulsby, C., Bacon, P. J., Youngson, A. F., Gibbins, C., Malcolm, I. A.
    Hydrological Processes, vol. 21, no. 10, pp. 1385-1389
    Contributions to Journals: Articles

  • Assessing nested hydrological and hydrochemical behaviour of a mesoscale catchment using continuous tracer data

    Tetzlaff, D., Waldron, S., Brewer, M. J., Soulsby, C.
    Journal of Hydrology, vol. 336, no. 3-4, pp. 430-443
    Contributions to Journals: Articles

  • Inferring groundwater influences on surface water in montane catchments from hydrochemical surveys of springs and streamwaters

    Soulsby, C., Tetzlaff, D., Van Den Bedem, D., Malcolm, I. A., Bacon, P. J., Youngson, A. F.
    Journal of Hydrology, vol. 333, no. 2-4, pp. 199-213
    Contributions to Journals: Articles

  • The dispersal characteristics of the invasive plant Mimulus guttatus and the ecological significance of increased occurrence of high-flow events

    Truscott, A., Soulsby, C., Palmer, S. C. F., Newell, L., Hulme, P. E.
    Journal of Ecology, vol. 94, no. 6, pp. 1080-1091
    Contributions to Journals: Articles

  • Iron and manganese cycling in the storm runoff of a Scottish upland catchment

    Abesser, C., Robinson, R., Soulsby, C.
    Journal of Hydrology, vol. 326, no. 1-4, pp. 59-78
    Contributions to Journals: Articles

  • Discharge and hydraulic interactions in contrasting channel morphologies and their influences on site utilisation by spawning Atlantic salmon (Salmo salar)

    Moir, H. J., Gibbins, C. N., Soulsby, C., Webb, J. H.
    Canadian Journal of Fisheries and Aquatic Sciences, vol. 63, no. 11, pp. 2567-2585
    Contributions to Journals: Articles
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