Ben Gilfedder: Curriculum Vitae



Name:  Benjamin Silas Gilfedder

 Date of Birth:  23rd of March 1982

 Nationality: Australian

 Contact Details:      

 Ph.   +49-921-55-2223                              

  Work Address: 

Limnologische Forschungsstation

Universitätsstr. 30 

95447 Bayreuth

Career Goals

As a geochemist my career goal is to further our understanding of element cycles in the earth system. In particular I focus on understanding the coupling between chemical reactions and water fluxes at the groundwater - surface water interface. I am currently working on developing and using high resolution field based instrumentation to understand the short term dynamics of groundwater-surface water exchange in response to extreme events such as storms and understanding how this effects biogeochemical reactions and fluxes in river, wetland and lake systems.

Education and professional experience

2013-Present: Assistant position in the Limnological Research Station (Leiter) and Department of Hydrology, University of Bayreuth

This position involves developing a research group and running undergraduate and master’s teaching programs. I focus my research on short-term variations in groundwater-surface water interactions, and coupling with biogeochemistry.

 2011-2013: Post doctoral Research Fellow, School of Geosciences, Monash University, Australia

 I was working on groundwater-surface water interactions, with a particular focus on developing and deploying instruments for high resolution tracing of groundwater surface water exchange wetlands, rivers and lakes. Focus on using 222Rn as a high resolution tracer.

 2008- 2010 Post-doctoral position at the Institute for Environmental Geology, TU-Braunschweig

Research focus on iodine concentrations and speciation in Antarctic aerosols and snow (from snow pits) as well as developing a new method for total iodine in aerosol filter samples. Teaching selected topics in the geochemistry and running tutorials for geochemistry, mineralogy and scientific writing.

 20052008: PhD in Environmental Geochemistry

 Institute for Environmental Geochemistry, Heidelberg University, Germany supervised by Prof. Harald Biester. (Summa cum Laude).

This project focused on the chemistry and cycling of halogens iodine and bromine in the atmosphere (aerosols and precipitation) and hydrosphere (Lake Constance and the Mummelsee and their associated tributaries). I also developed a new method to measure total iodine in soils and sediments. My thesis was composed of 5 published papers.

 2004 First class Honours degree (highest award) under Professor Bernd Lottermoser at James Cook University, Cairns, Australia.

 My Honours project was focused on geochemical and mineralogical processes occurring in tailings from the world’s largest of Pb and Ag mine (BHP-Cannington Australia), and the most appropriate method to isolate these multi-metal and metaloid contaminated wastes from the surrounding environment. The Honours work resulted in a book chapter contribution.

 2001 – 2003               Bachelor of Science (Environmental Science)

James Cook University (Cairns Campus) Australia. During my degree I concentrated on the Earth Sciences with a focus on geochemistry.  

 1994 - 2000    Kyogle High School graduation.

Funding initiatives

2015-2019  Gilfedder, B.S. (PI) Tracer-Methoden zur Identifizierung von Grundwasser- und Zuflusseinschichtungen und deren Einfluss auf Wasserqualität und Trinkwassergewinnung am Beispiel des Bodensees -Seezeichen Teilprojekt 2: Identifizierung, Charakterisierung und Quantifizierung der Interaktion Grundwasser-See: ein Toolkit für die nachhaltige Bewirtschaftung der regionalen Wasserressourcen. BMBF ReWaM.  227,184 €, total 1.2 M€

 2015-2019 Frei, S (PI), Gilfedder, B.S. (CI): A multi-disciplinary approach to delineate small scale interactions and couplings between hydrology and biogeochemistry in riparian wetlands. DFG 463,000 €

 2011 Gilfedder B.S., and Cartwright, I. Surface water – groundwater interactions on deep creek – case study and pilot program for the use of 222Rn, stable isotopes and major ions in delineating groundwater discharge zones. In cooperation with Melbourne Water funding over two years $20,000 AUD

 2012 Wilson, S.A., Cartwright, I., Gilfedder, B.S., Cook, P.L.M. Los Gatos Research carbon dioxide isotope analyser for field based measurements. Faculty grant. $44,000 AUD

Selected Publications

 Pittroff, M., Frei, S., Gilfedder, B.S., (2017): Quantifying nitrate and oxygen reduction rates in the hyporheic zone using 222Rn to upscale biogeochemical turnover in rivers, Water Resources Research, Accepted, doi: 10.1002/2016WR018917.

 Gilfedder, B.S., Frei, S., Hofmann, H., Cartwright, I., (2015), Groundwater discharge to wetlands driven by storm and flood events: Quantification using continuous Radon-222 and electrical conductivity measurements and dynamic mass-balance modelling, Geochimica et Cosmochimica Acta 165, 161–177, doi:110.1016/j.gca.2015.1005.1037.

 Cartwright, I; Gilfedder, B., (2015), Mapping and quantifying groundwater inflows to Deep Creek (Maribyrnong catchment, SE Australia) using 222Rn, implications for protecting groundwater-dependant ecosystems, Applied Geochemistry, 52, 118-129 

 Frei, S., Gilfedder, B.S., (2015): Technical Note: FINIFLUX an implicit Finite Element model for quantification of groundwater fluxes and hyporheic exchange in streams and rivers using Radon, Water Resources Research, 51, 6776–6786, doi: 10.1002/2015WR017212

 Unland, N., Cartwright, I., Daly, E., Gilfedder, B.S., Atkinson, AP., (2015) Dynamic river - groundwater exchange in the presence of a saline, semi - confined aquifer, Hydrological Processes, 4817–4829, doi: 10.1002/ hyp.10525.

 Atkinson, AP., Cartwright, I., Gilfedder, B.S., Cendon., DI., Unland, N., Hofmann, H., (2014): Using 14C and 3H to understand groundwater flow and recharge in an aquifer window, Hydrology and Earth System Sciences, 18(12), 4951-4964, doi: 10.5194/hess-18-4951-2014

 Gilfedder, B. S., Hofmann H., Cartwright I., (2013), Novel instruments for in-situ continuous Rn-222 measurement in groundwater and the application to river bank infiltration, Environmental Science and Technology, 47, 993-1000.

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