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    6. Christian Birkel
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    Christian Birkel

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    Teléfono: (506) 2511-3199

    Funciones:

    Funciones de los docentes de la Escuela de Geografía

    Grados académicos:

    • PhD (2011): Universidad de Aberdeen, Escocia (University of Aberdeen, Scotland).

       Thesis: “Integrating high-resolution tracer data into lumped conceptual rainfall-runoff models".

    • MSc (2005): Universidad de Friburgo, Alemania (University of Freiburg, Germany).

      Thesis: “Temporal and spatial variability of hydrological drought in Costa Rica and the relationship to atmospheric circulation”.

    Áreas de investigación:

    Soy hidrólogo y mi investigación está enfocada en la medición y simulación de procesos de la generación de escorrentía y el almacenamiento de agua y sustancias biogeoquÍmicas. Mi motivación principal es la comprensión y cuantificación de sistemas dinámicos para llegar a facilitar una toma de decisiones informada por métodos científicos rigurosos. Para mayor información consulte mi repositorio personal.

    My research broadly focuses on catchment hydrology and the measurement and modelling of streamflow generation and biogeochemical processes. The basic aim is to better understand catchment functioning and the great variability of hydrological behaviours across different temporal and spatial scales. Insights from my research can be applied to assess the impacts of stream regulation and environmental change on the quality and quantity of surface waters with the objective to inform a sustainable management of water resources. More specifically, I am interested in tracer techniques to better understand dynamic catchment behaviour, the development and application of parsimonious rainfall-runoff models coupled to solute and biogeochemical processes, impacts of environmental change on the hydrology in tropical regions and statistical time series modelling to explore temporal patterns in environmental data.

    Cursos impartidos:

    • Geografía Regional Mundial.

    • Climatología.

    • Hidrogeografía.

    • Investigación Geográfica.

    • Manejo de Cuencas Hidrográficas.

    Principales publicaciones:

    • Birkel, C., Soulsby, C., Ali, GA. & Tetzlaff, D. (2014). 'Assessing the cumulative impacts of hydropower regulation on the flow characteristics of a large atlantic salmon river system'. River Research and Applications, vol 30, no. 4, pp. 456-475. Ver articulo.

      DOI: 10.1002/rra.2656

    • Tetzlaff, D., Birkel, C., Dick, JJ., Geris, JRMC. & Soulsby, C. (2014). 'Storage dynamics in hydropedological units control hillslope connectivity, runoff generation, and the evolution of catchment transit time distributions'. Water Resources Research, vol 50, no. 2, pp. 969-985.

      DOI: 10.1002/2013WR014147

    • Ali, G., Birkel, C., Tetzlaff, D., Soulsby, C., McDonnell, JJ. & Tarolli, P. (2014). 'A comparison of wetness indices for the prediction of observed connected saturated areas under contrasting conditions'. Earth Surface Processes and Landforms, vol 39, no. 3, pp. 399-413.

      DOI: 10.1002/esp.3506

    • Birkel, C., Soulsby, C. & Tetzlaff, D. (2014). 'Integrating parsimonious models of hydrological connectivity and soil biogeochemistry to simulate stream DOC dynamics'. Journal of geophysical research-Biogeosciences, vol 119, no. 5, pp. 1030-1047. Ver articulo.

      DOI: 10.1002/2013JG002551

    • Birkel, C., Soulsby, C. & Tetzlaff, D. (2014). 'Developing a consistent process-based conceptualization of catchment functioning using measurements of internal state variables'.Water Resources Research, vol 50, no. 4, pp. 3481-3501. Ver articulo.

      DOI: 10.1002/2013WR014925

    • Birkel, C., Soulsby, C., Malcolm, I. & Tetzlaff, D. (2013). 'Modeling the dynamics of metabolism in montane streams using continuous dissolved oxygen measurements'. Water Resources Research, vol 49, no. 9, pp. 5260-5275. Ver articulo.

      DOI: 10.1002/wrcr.20409

    • Birkel, C., Soulsby, C., Tetzlaff, D., Dunn, S. & Spezia, L. (2012). 'High-frequency storm event isotope sampling reveals time-variant transit time distributions and influence of diurnal cycles'.Hydrological Processes, vol 26, no. 2, pp. 308-316.

      DOI: 10.1002/hyp.8210

    • Birkel, C., Soulsby, C. & Tetzlaff, D. (2012). 'Modelling the impacts of land cover change on streamflow dynamics of a tropical rainforest headwater catchment'. Hydrological Sciences Journal, vol 57, no. 8, pp. 1–19.

      DOI: 10.1080/02626667.2012.728707 CAIDO

    • Birkel, C., Paroli, R., Spezia, L., Dunn, SM., Tetzlaff, D. & Soulsby, C. (2012). 'A new approach to simulating stream isotope dynamics using markov switching autoregressive models'. Advances in Water Resources, vol 46, pp. 20-30.

      DOI: 10.1016/j.advwatres.2012.05.013

    • Birkel, C., Tetzlaff, D., Dunn, SM. & Soulsby, C. (2011). 'Using time domain and geographic source tracers to conceptualize streamflow generation processes in lumped rainfall-runoff models'. Water Resources Research, vol 47, no. 2, w02515.

      DOI: 10.1029/2010WR009547

    • Birkel, C., Tetzlaff, D., Dunn, SM. & Soulsby, C. (2011). 'Using lumped conceptual rainfall-runoff models to simulate daily isotope variability with fractionation in a nested mesoscale catchment'.Advances in Water Resources, vol 34, no. 3, pp. 383-394.

      DOI: 10.1016/j.advwatres.2010.12.006

    • Birkel, C., Soulsby, C. & Tetzlaff, D. (2011). 'Modelling catchment-scale water storage dynamics: reconciling dynamic storage with tracer-inferred passive storage'. Hydrological Processes, vol 25, no. 25, pp. 3924-3936.

      DOI: 10.1002/hyp.8201

    • Birkel, C., Tetzlaff, D., Dunn, SM. & Soulsby, C. (2010). 'Towards a simple dynamic process conceptualization in rainfall-runoff models using multi-criteria calibration and tracers in temperate, upland catchments'. Hydrological Processes, vol 24, no. 3, pp. 260-275.

      DOI: 10.1002/hyp.7478

    • Tetzlaff, D., Soulsby, C. & Birkel, C. (2010). 'Hydrological connectivity and microbiological fluxes in montane catchments: The role of seasonality and climatic variability'. Hydrological Processes, vol 24, no. 9, pp. 1231-1235.

      DOI: 10.1002/hyp.7680

    • Dunn, SM., Birkel, C., Tetzlaff, D. & Soulsby, C. (2010). 'Transit time distributions of a conceptual model: Their characteristics and sensitivities'. Hydrological Processes, vol 24, no. 12, pp. 1719-1729.

      DOI: 10.1002/hyp.7560

    • Birkel, C., Dunn, SM., Soulsby, C. & Tetzlaff, D. (2010). 'Assessing the value of high-resolution isotope tracer data in the stepwise development of a lumped conceptual rainfall-runoff model'.Hydrological Processes, vol 24, no. 16, pp. 2335-2348.

      DOI: 10.1002/hyp.7763

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