Search Results - "Birkel, C."

Storage dynamics in hydropedological units control hillslope connectivity, runoff generation, and the evolution of catchment transit time distributions by Tetzlaff, D., Birkel, C., Dick, J., Geris, J., Soulsby, C.

“…We examined the storage dynamics and isotopic composition of soil water over 12 months in three hydropedological units in order to understand runoff generation…”
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Stream water age distributions controlled by storage dynamics and nonlinear hydrologic connectivity: Modeling with high-resolution isotope data by Soulsby, C., Birkel, C., Geris, J., Dick, J., Tunaley, C., Tetzlaff, D.

“…To assess the influence of storage dynamics and nonlinearities in hydrological connectivity on time‐variant stream water ages, we used a new long‐term record…”
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Modelling landscape controls on dissolved organic carbon sources and fluxes to streams by Dick, J. J, Tetzlaff, D, Birkel, C, Soulsby, C

“…Catchment dissolved organic carbon (DOC) fluxes are governed by complex interactions, which control biogeochemical processes generating DOC and hydrological…”
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Modelling storage-driven connectivity between landscapes and riverscapes: towards a simple framework for long-term ecohydrological assessment by Soulsby, C., Birkel, C., Tetzlaff, D.

“…The importance of conceptualizing the dynamics of storage‐driven saturation area connectivity in runoff generation has been central to the development of…”
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Characterizing the age distribution of catchment evaporative losses by Soulsby, C., Birkel, C., Tetzlaff, D.

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Spatial aggregation of time-variant stream water ages in urbanizing catchments by Soulsby, C., Birkel, C., Geris, J., Tetzlaff, D.

“…We calibrated an integrated flow–tracer model to simulate spatially distributed isotope time series in stream water in a 7.9‐km2 catchment with an urban area…”
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Towards a simple dynamic process conceptualization in rainfall-runoff models using multi-criteria calibration and tracers in temperate, upland catchments by Birkel, C, Tetzlaff, D, Dunn, S.M, Soulsby, C

“…Empirically based understanding of streamflow generation dynamics in a montane headwater catchment formed the basis for the development of simple,…”
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Key drivers controlling stable isotope variations in daily precipitation of Costa Rica: Caribbean Sea versus Eastern Pacific Ocean moisture sources by Sánchez-Murillo, R., Birkel, C., Welsh, K., Esquivel-Hernández, G., Corrales-Salazar, J., Boll, J., Brooks, E., Roupsard, O., Sáenz-Rosales, O., Katchan, I., Arce-Mesén, R., Soulsby, C., Araguás-Araguás, L.J.

“…Costa Rica is located on the Central American Isthmus, which receives moisture inputs directly from the Caribbean Sea and the Eastern Pacific Ocean. This…”
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Nonlinear and threshold‐dominated runoff generation controls DOC export in a small peat catchment by Birkel, C., Broder, T., Biester, H.

“…We used a relatively simple two‐layer, coupled hydrology‐biogeochemistry model to simultaneously simulate streamflow and stream dissolved organic carbon (DOC)…”
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Isotope Hydrology of a Large River System Regulated for Hydropower by Soulsby, C, Birkel, C, Geris, J, Tetzlaff, D

“…Impoundments, regulation and inter‐basin transfers associated with large hydropower developments affect runoff regimes, water residence times and stream water…”
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ENSO sentinels in the Americas' humid tropics: We need combined hydrometric and isotopic monitoring for improved El Niño and La Niña impact prediction by Sánchez‐Murillo, R., Birkel, C., Boll, J., Esquivel‐Hernández, G., Rojas‐Jiménez, L. D., Castro‐Chacón, L., Durán‐Quesada, A. M., Voarintsoa, N. R. G., Dee, S. G., Winguth, A. M. E.

“…This Scientific Briefing presents results from a nearly 10‐year hydrometric and isotope monitoring network across north‐central Costa Rica, a region known as a…”
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Assessing the value of high-resolution isotope tracer data in the stepwise development of a lumped conceptual rainfall-runoff model by Birkel, C, Dunn, S.M, Tetzlaff, D, Soulsby, C

“…A study was undertaken in a small agricultural catchment in north east Scotland with the objective of assessing the value of high-resolution isotope data for…”
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Assessing the cumulative impacts of hydropower regulation on the flow characteristics of a large atlantic salmon river system by Birkel, C, Soulsby, C, Ali, G, Tetzlaff, D

“…We assessed the influence of hydropower on the flow characteristics of the river Tay, one of the UK's most heavily regulated catchments and important Atlantic…”
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Transit time distributions of a conceptual model: their characteristics and sensitivities by Dunn, S.M, Birkel, C, Tetzlaff, D, Soulsby, C

“…The internal behaviour of a conceptual hydrological and tracer transport model, STREAM, has been examined through generation of transit time distributions for…”
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Tracing Water Sources and Fluxes in a Dynamic Tropical Environment: From Observations to Modeling by Sánchez-Murillo, R., Esquivel-Hernández, G., Birkel, C., Correa, A., Welsh, K., Durán-Quesada, A. M., Sánchez-Gutiérrez, R., Poca, M.

“…Tropical regions cover approximately 36% of the Earth’s landmass. These regions are home to 40% of the world’s population, which is projected to increase to…”
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Using synoptic tracer surveys to assess runoff sources in an Andean headwater catchment in central Chile by Nauditt, A, Soulsby, C, Birkel, C, Rusman, A, Schüth, C, Ribbe, L, Álvarez, P, Kretschmer, N

“…Headwater catchments in the Andes provide critical sources of water for downstream areas with large agricultural communities dependent upon irrigation. Data…”
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Nitrate Legacy in a Tropical and Complex Fractured Volcanic Aquifer System by Sánchez‐Gutiérrez, R., Sánchez‐Murillo, R., Esquivel‐Hernández, G., Birkel, C., Boll, J., Rojas‐Jiménez, L. D., Castro‐Chacón, L.

“…Nitrate legacy is affecting groundwater sources across the tropics. This study describes isotopic and ionic spatial trends across a tropical, fractured,…”
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DOC Transport and Export in a Dynamic Tropical Catchment by Sánchez‐Murillo, R., Romero‐Esquivel, L. G., Jiménez‐Antillón, J., Salas‐Navarro, J., Corrales‐Salazar, L., Álvarez‐Carvajal, J., Álvarez‐McInerney, S., Bonilla‐Barrantes, D., Gutiérrez‐Sibaja, N., Martínez‐Arroyo, M., Ortiz‐Apuy, E., Salgado‐Lobo, J., Villalobos‐Morales, J., Esquivel‐Hernández, G., Rojas‐Jiménez, L. D., Gómez‐Castro, C., Jiménez‐Madrigal, Q., Vargas‐Gutiérrez, O., Birkel, C.

“…Dissolved organic carbon (DOC) transport and export from headwater forests into freshwaters in highly dynamic tropical catchments are still understudied. Here…”
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The role of groundwater characteristics in catchment recovery from nitrate pollution by Dunn, S. M., Darling, W. G., Birkel, C., Bacon, J. R.

“…The effectiveness of measures to mitigate nitrate concentrations in surface and groundwater depends not only on their suitability for reducing nitrate…”
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Temporal and spatial evaluation of satellite-based rainfall estimates across the complex topographical and climatic gradients of Chile by Zambrano-Bigiarini, Mauricio, Nauditt, Alexandra, Birkel, Christian, Verbist, Koen, Ribbe, Lars

“…Accurate representation of the real spatio-temporal variability of catchment rainfall inputs is currently severely limited. Moreover, spatially interpolated…”
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