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Fakultät für Biologie, Chemie und Geowissenschaften

Lehrstuhl für Hydrologie - Prof. Dr. Stefan Peiffer

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Sven Frei: Vorträge, Poster...

Eingeladene Vorträge
Vorkommen und Verhalten von Mikroplastik in Flüssen und SeenFrei, S*Naturwissenschaftliche Geselllschaft Bayreuth e.V.: 11.02.2019
A multi-disciplinary approach to delineate small scale interactions and couplings between hydrology and biogeochemistry in riparian wetlandsFrei, S*Workshop on Hydrology and Ecohydrology-Tracer tecniques and Modeling, Nanjing, China: 12.10.2017
Hydrological controlled Hot Spots Generation Mechanisms within a wetland with micro-topography: A modelling approachFrei, SNational Centre for Groundwater Research and Training, Flinders University: 12.09.2014
Hydrologically controlled generation of reactivity hot spots within a wetland with micro-topography: A modeling approachFrei, S*; Knorr, KH; Peiffer, S; Fleckenstein, JHResearch Seminar at the Dept. of Hydrogeology, UFZ Leipzig: 15.02.2012
Complex linkages between hydrological dynamics and biogeochemical processes in the near stream zone - new ways forwardFleckenstein, JH*; Frei, S; Bartsch, S; Schmidt, CHydroeco 2011, Wien: 02.05.2011 - 05.05.2011
Die Bedeutung der hydrologischen Verweilzeit für das biogeochemische Prozessgeschehen in Niedermooren.Frei, S*; Fleckenstein, JH; Knorr, KH; Peiffer, SJahrestagung der Wasserchemischen Gesellschaft 2010, Bayreuth: 10.05.2010 - 12.05.2010
Effects of micro-topography on runoff generation and residence times in a riparian wetlandFleckenstein, JH; Frei, SResearch Seminar Series, US Geological Survey, Menlo Park, Water Resources Division, Menlo Par, CA, USA: 11.09.2009
Simulating river-aquifer exchange - the missing scaleFleckenstein, JH; Frei, S; Niswonger, RGNational Meeting of the British Hydrological Society (BHS), University of Birmingham: 17.12.2008
 
Vorträge
Analytical Modeling of Hyporheic Flow for In-stream Bedforms: Perturbation Method and Implementation.Frei, S*; Azizian, A; Grant, S; Zlotnik, V; Toundykov, DComputational Methods in Water Resources (CMWR) 2018, Saint-Malo: 03.06.2018 - 07.06.2018
Quantifying nitrate and oxygen reduction rates in the hyporheic zone using 222Rn to upscale biogeochemical turnover in riversFrei, S*; Pittroff, M; Gilfedder, BEGU General Assembly 2017, Vienna: 23.04.2017 - 28.04.2017
River-groundwater connectivity and nutrient dynamics in a mesoscale catchmentFleckenstein, JH*; Wankmüller, F; Frei, S; Gilfedder, BEGU General Assembly 2017, Vienna: 23.04.2017 - 28.04.2017
DOC export dynamics and DOC quality during discharge events to identify sources, flow paths, and controlsKnorr, KH; Frei, S; Reichert, M; Peiffer, SBIOGEOMON 2012:The 7th International Symposium on Ecosystem Behavior: 15.07.2012 - 20.07.2012
Surface micro-topography can cause hot spots of biogeochemical activity in wetland systems: a modeling approachFrei, S*; Knorr, KH; Peiffer, S; Fleckenstein, JBiogeomon 2012, Northport Maine: 15.07.2012 - 20.07.2012
Surface micro-topography can cause hot spots of biogeochemical activity in wetland systems: a modeling approachFrei, S*; Knorr, KH; Peiffer, S; Fleckenstein, JBIOGEOMON 2012:The 7th International Symposium on Ecosystem Behavior: 15.07.2012 - 20.07.2012
Surface micro-topography causes hot-spots of biogeochemical activity in a wetland systemFrei, S*; Knorr, KH; Peiffer, S; Fleckenstein, JHydroeco 2011, Wien: 02.05.2011 - 05.05.2011
Representing small scale runoff generation and subsurface flow patterns, influenced and induced by micro-topography, on a coarser scale using superficial rill storage height variations.Frei, S*; Fleckenstein, JH2nd International Hydrogeosphere User Conference 2011, Hannover: 11.04.2011 - 13.04.2011
The impact of monsoon events on water fluxes in a ridge cultivation system: A modeling approach using HydroGeoSphereRuidisch, M*; Frei, S; Bartsch, S; Huwe, B2nd International Hydrogeosphere User Conference 2011, Hannover: 11.04.2011 - 13.04.2011
Die Bedeutung der hydrologischen Verweilzeit für das biogeochemische Prozessgeschehen in NiedermoorenFrei, S*; Fleckenstein, JH; Peiffer, S; Knorr, KHDGL 2010, Bayreuth: 27.09.2010 - 01.10.2010
Effects of micro-topography on runoff generation and bio-geochemistry for a riparian wetland in South-East GermanyFrei, S*; Fleckenstein, JHHydrogeosphere users in Europe, Liège, Belgium: 25.03.2010 - 26.03.2010
Dynamik des Oberflächen-Grundwasseraustausches, Abflussbildung, und Verweilzeiten in einem Niedermoor mit MikrotopographieFleckenstein, JH; Frei, S; Peiffer, S; Lischeid, GTag der Hydrologie, TU Braunschweig, Braunschweig: 25.03.2010 - 26.03.2010
Mikrotopographie induzierte Dynamik des Oberflächen- Grundwasseraustausches: Bedeutung für biogeochemische ProzessmusterFrei, S; Lischeid, G; Fleckenstein, JHAuftaktworkshop Hyporheisches Netzwerk, Berlin: 14.12.2009 - 15.12.2009
Effects of micro-topography on flow connectivity, surface-subsurface exchange and runoff generation in a riparian wetlandFleckenstein, JH; Frei, SAmerican Geophysical Union (AGU), Fall Meeting, San Francisco, San Francisco: 14.12.2009 - 18.12.2009
Floodplain Recharge and Subsurface Storage of WaterSager, J; Frei, S; Fogg, GE; Fleckenstein, JH; Meirovitz, C; Roll, LGSA Annual Meeting, Portland: 18.10.2009 - 21.10.2009
Dynamik von Fluss-Grund¬wasserinteraktionen in geologisch heterogenen Systemen mit ungesättigter StrömungFleckenstein, JH; Frei, S; Kollet, S; Maxwell, RFH-DGG Tagung, Göttingen: 19.05.2008 - 22.05.2008
How important is geologic Heterogeneity in River-Aquifer Exchange ?Fleckenstein, JH; Niswonger, RG; Frei, S; Kollet, S; Maxwell, RM; Fogg, GEEGU General Assembly, Vienna: 16.05.2007 - 20.05.2007
 
Poster
Analyses of Hyporheic Flow and Nitrate Removal for In-stream Bedforms using Perturbation MethodFrei, S*EGU General Assembly 2017, Vienna: 23.04.2017 - 28.04.2017
Spectral induced polarization as a tool to map subsurface biogeochemical hot spots: a first laboratory evaluation in the Fe-S systemNordsiek, S*; Frei, S; Gilfedder, BEGU General Assembly 2017, Vienna: 23.04.2017 - 28.04.2017
Runoff Generation, Residence Time & Dynamics of Surface/Sub-Surface Exchange in a Wetland with Micro-topography -a Modeling Study.Frei, S*; Knorr, KH; Fleckenstein, JH; Peiffer, SDyCap Workshop "Microbiology and Reactive Transport in the Capillary Fringe" (October 7-8, 2010), Heidelberg: 07.10.2010 - 08.10.2010
Runoff Generation, Residence Times & Dynamics of Surface/Sub-Surface Exchange in a Wetland with Micro-topography - a Modeling StudyFrei, S*; Fleckenstein, JH; Peiffer, S; Knorr, KH; Lischeid, GFHDGG Jahrestagung 2010, Tübingen: 12.05.2010 - 15.05.2010
Effects of Riparian Water Table Depth and Microtopography on Stream Discharge GenerationFrei, S; Lischeid, G; Fleckenstein, JHEuropean Geosciences Union General Assembly 2009, Vienna: 19.04.2009 - 24.04.2009
Using a parallel Surface-Subsurface Flow Model to asses the Effects of geologic Heterogeneity on River-Auqifer ExchangeFrei, S; Kollet, S; Maxwell, RM; Fleckenstein, JHEGU General Assembly, Vienna: 15.04.2007 - 20.04.2007
 


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