Invited talks

2019

Hofmann, H. 2019. Importance and effects of physical processes in lake ecosystems. University of Waterloo, 19/07/2019, Waterloo ON, Canada.


Hofmann, H. 2019. Effects of physical processes in lake ecosystems. University of Guelph, 17/07/2019, Guelph ON, Canada.


Hofmann, H. 2019. Effects of physical processes in lake ecosystems. Beaty Water Research Center & Leaders Program: Seminar Series, Queen’s University, 03/07/2019, Kingston ON, Canada.

2018

Hofmann, H. 2018. Synthese HyMoBioStrategie – Auswirkungen hydromorphologischer Veränderungen von Seeufern (Bodensee) auf den Feststoffhaushalt, submerse Makrophyten und Makrozoobenthos-Biozönosen mit dem Ziel der Optimierung von Mitigationsstrategien. ReWaM-Abschlusskonferenz, 08/05/2018, Berlin, Germany.

2017

Hofmann, H. 2017. Applications of COSMO wind fields in modeling of physical processes in lakes. General Assembly of the Swiss Meteorological Society, 10/11/2018, ETH Zurich, Switzerland.


Hofmann, H. 2017. Measurements and modelling of hydrodynamic and hydromorphological processes in the shallow water zone of lakes. IGKB-Workshop, 14/11/2017, Langenargen, Germany.


Hofmann, H. and F. Peeters. 2017. GHG emission pathways in lakes and reservoirs: Importance, dynamics, and patterns. BW-I delegation travel Ontario, 17-23/09/2017, Waterloo, Canada.

2016

Hofmann, H. 2016. Vision, cenception and first results of the ReWaM Joint Reasearch project HyMoBioStrategie. LAWA-Expertenkreis, 03/11/2016, Friedrichshafen, Germany.


Hofmann, H. 2016. Progress report and first results of the ReWaM Joint Research Project HyMoBioStrategie. IGKB-Sachverständigentreffen, 29/06/2016, Kempten, Germany.


Hofmann, H. 2016. HyMoBioStrategie – interdiziplinäres Projekt für intakte Seeufer. Standortbestimmung – Aufwertung Seeufer, 07/06/2016, Luzern, Switzerland.


Hofmann, H. 2016. Vision and conception of the ReWaM Joint Research Project HyMoBioStrategie under the perspective of lake shore restoration. Round Table Meeting – Lake Shore Recultivation, 11/03/2016, Langenargen, Germany.

2015

Hofmann, H. 2015. Vision and conception of the ReWaM Joint research Project HyMoBioStrategie. IGKB-Sachverständigentreffen, 29/06/2015, Horn, Switzerland.


Hofmann, H. 2015. Abiotic conditions and their implications on sediment remobilization, spatio-temporal distribution patterns of dissolved methane and organisms in lakes. Department seminar – Leibnitz Institute for Baltic Sea Research Warnemuende (IOW), 12/05/2015, Warnemuende, Germany.

2014

Hofmann, H. 2014. KEYNOTE: Dynamics and distribution patterns of methane in lakes: Importance for the estimates of lake-wide emissions. Workshop: Advancing the science of gas exchange between fresh waters and the atmosphere, 15-19/09/2014, Hyytiälä, Finland.


Hofmann, H. and Ostendorp, W. 2014. Wellenexposition und Sedimentmobilisierung im Bereich ausgewählter Unterwasserdenkmäler (UNESCO-Welterbestätten) des Bodensees. Table ronde de Marigny-Neuchâtel-Arenenberg/Hemmenhofen, Archéologie et érosion: 2014, 08-10/10/2014, Arenenberg/Hemmenhofen, Germany.


Hofmann, H. 2014. Lake Constance and its waves: Properties of wind- and ship-induced surface gravity waves and their importance for the exposure of the shallow nearshore zone of lakes. Rowing Club Kreuzlingen, 07/02/2014, Kreuzlingen, Switzerland.

2013

Hofmann, H. 2013. The climate gas methane: Release, distribution patterns, and emission pathways in lakes. Department Seminar – University of Hohenheim, 16/12/2013, Hohenheim, Germany.


Hofmann, H. 2013. Messung und Modellierung von Oberflächenwellen und deren Bedeutung für die Exposition der Flachwasserzone. Sailing Club Zurich, 21/11/2013, Zurich, Switzerland.


Hofmann, H. 2013. The climate gas methane: Distribution pattern and emission pathways in lakes. ISF Colloquium, 19/04/2013, Langenargen, Germany.

2012

Hofmann, H. 2012. Dynamics and distribution patterns of dissolved methane in lakes: How accurate are the present estimations of methane emissions to the atmosphere? AWI-Institute Colloquium, 28/11/2012, Bremerhaven, Germany.


Hofmann, H. 2012. Einfluss von abiotischen Faktoren und organismischen Interaktionen auf räumlich-zeitliche Verteilungsmuster von Plankton im Ammersee – Ergebnisse der Messungen in 2011/12 und Ausblick. Bavarian Environmental Agency (LfU) – Status seminar, 26/06/2012, Wielenbach (Lake Ammer), Germany, Oral presentation.

2011

Hofmann, H. 2011. Lake Constance and its waves: Properties and importance of wind- and ship-induced surface gravity waves in the littoral zone of Lake Constance. ISF Colloquium, 08/04/2011, Langenargen, Germany.

2009

Hofmann, H. 2009. Eigenschaften und Bedeutung von wind- und schiffsinduzierten Oberflächenwellen im Litoral des Bodensees. Kolloquium Bodenseeforschung, 06/10/2009, Hegne-Allensbach, Germany.

2008

Hofmann, H., A. Lorke, and F. Peeters. 2008. The importance of surface waves for abiotic and biotic processes in lake littoral zones. CEMAGREF, 01/12/2008, Aix en Provence, France.

2007

Hofmann, H., A. Lorke, and F. Peeters. 2007. Bedeutung und Eigenschaften von Wind- und Schiffswellen im Bodenseelitoral. Bodensee-Physiker-Treffen, 25/09/2007, Stuttgart.

2005

Hofmann, H., A. Lorke, and F. Peeters. 2005. Erste Ergebisse aus dem SFB-Projekt: Surface waves and suspended particles. Bodensee-Physiker-Treffen, 13/04/2005, Stuttgart.

2004

Hofmann, H., K. Knöller, and D. Lessmann. 2004. Tagebauseen als grundwasserdominierte hydrologische Systeme: Untersuchungen zum Wasserhaushalt des Tagebausees Plessa 117 unter Verwendung stabiler Umweltisotope. Limnologisches Institut, Universität Konstanz.


Hofmann, H. 2004. Bathymetrische Vermessung des Teilbeckens Friedersdorf des SB Lohsa I – Bathymetrische Karten, morphometrische Parameter, Sedimentverteilung, -mächtigkeit und -menge. Landestalsperrenverwaltung Sachsen, Fluss­gebietsmeisterei Spree.

2003

Hofmann, H., K. Knöller, and D. Lessmann. 2003. Tagebauseen als grundwasserdominierte hydrologische Systeme: Untersuchungen zum Wasserhaushalt des Tagebausees Plessa 117 unter Verwendung stabiler Umweltisotope. REKULA-Workshop (WP 4), 21/10-25/10/2003, Venice, Italy.


Hofmann, H. 2003. Bathymetrische Vermessung der Talsperre Quitzdorf: Bathymetrische Karten, morphometrische Parameter, Sedimentverteilung, -mächtigkeit und -menge. Landestalsperrenverwaltung Sachsen, Flussgebietsmeisterei Spree.

2002

Hofmann, H. 2002. Introduction to the technology of GPS/DGPS and further applications. Department of Chemical Engineering and Hazardous Wastes, Brandenburg University of Technology Cottbus.


Hofmann, H. 2002. Aufbau, Durchführung und Auswertung einer GPS-Echolot-Kopplung zur Erstellung einer bathymetrischen Karte und Bestimmung weiterer morphometrischer Parameter des RL Mortka. Landestalsperrenverwaltung Sachsen, Flussgebietsmeisterei Spree.



Conference presentations

2019

Hofmann, H. 2019. Modeling of physical processes in lakes: Challenges, applications and future perspectives, Department seminar – Biology, 07/11/2019, Konstanz, Germany, Oral presentation.


Hofmann, H. 2019. Remobilization and transport of particles in the nearshore zone of Lake. IAGLR’s 62nd Annual Conference on Great Lakes Research, 10-16/06/2019, Brockport, NY, USA, Oral presentation.


Peeters, F., J. Encinas Fernandez and H. Hofmann. 2019. Primary productivity of different phytoplankton groups in Lake Constance. Kickoff-Workshop, 24-25/01/2019, EPFL, Lausanne, Schwitzerland, Oral presentation.


Peeters, F. and H. Hofmann. 2019. On the source of the CH4 emitted from surface waters of lakes. ASLO – Aquatic Science Meeting, 23/02-02/03/2018, San Juan, Puerto Rico, Oral presentation.

2018

Hofmann, H. 2018. Einführung und Hintergrund: HyMoBioStrategie – Auswirkungen hydromorphologischer Veränderungen von Seeufern (Bodensee) auf den Feststoffhaushalt, submerse Makrophyten und Makrozoobenthos-Biozönosen mit dem Ziel der Optimierung von Mitigationsstrategien. HyMoBioStrategie-Abschlusskonferenz, 17/10/2018, Hegne, Germany, Oral presentation.


Hofmann, H., P. Dissanayake and Frank Peeters. 2018. Hydrodynamik und Sedimenttransport in der Flachwasserzone des Bodensees. HyMoBioStrategie-Abschlusskonferenz, 17/10/2018, Hegne, Germany, Oral presentation.


Hofmann, H. 2018. Handlungsempfehlungen Seeufer: Wellen-Erosion-Schutz-Renaturierung. HyMoBioStrategie-Abschlusskonferenz, 17/10/2018, Hegne, Germany, Oral presentation.


Beckers, F., S. Wieprecht, S. Haun, H. Hofmann, J. Encinas-Fernández, F. Peeters . 2018 Stauräume verstehen, Stauräume nachhaltig bewirtschaften: WP1 + WP4 – Insights and Results on Sediments and Greenhouse Gas Emissions in Reservoirs, Verbundprojekt CHARM, Statuskolloquium des Förderprogramms Wasserforschung Baden-Württemberg, 08-09/10/2018, Stuttgart, Oral presentation.


Hofmann, H., N. Pasche, C. Schubert, B. Müller, S. Sobek, I. Iofina, N. Belkina. 2018. Lake Ladoga: Life under Ice – Carbon cycling and CO2 dynamics in ice-covered Lake Ladoga / Lake Onego – key results. Closing Meeting, 28/09/2018, Lausanne, Switzerland, Oral presentation.


Caramatti, I., F. Peeters, and H. Hofmann. 2018. Modeling of the inter-annual and spatial variability of ice cover in a subdivided temperate. ASLO-Meeting 2018, 10-15/06/2018, Victoria, B. C., Canada, Poster presentation.


Chmiel, H. E., N. Tofield-Pasche, H. Hofmann, and S. Sobek. 2018. Where does the river end? Drivers of spatiotemporal variability in CO2 distribution and gas exchange in a large humic lake. ASLO-Meeting 2018, 10-15/06/2018, Victoria, B.C., Canada, Oral presentation.


Wessels, M., N Brückner, P. Dissanayake, H. Hofmann, and P. Wintersteller. 2018. Projekt Tiefenschärfe – luft- und wassergestützte Vermessung des Bodensees. Hydrographentag 2018, 12-14/06/2018. Lindau, Germany, Oral presentation.


Hofmann, H. (2018) Synthese HyMoBioStrategie – Auswirkungen hydromorphologischer Veränderungen von Seeufern (Bodensee) auf den Feststoffhaushalt, submerse Makrophyten und Makrozoobenthos-Biozönosen mit dem Ziel der Optimierung von Mitigationsstrategien. ReWaM-Abschlusskonferenz, 08/05/2018, Berlin, Germany.

2017

Hofmann, H., and P. Dissanayake. 2017. Remobilization and transport of particles in the shallow water zone of Lake Constance. Conference of the German Society for Limnology (DGL), 25-29/09/2017, Cottbus, Germany, Oral presentation.


Weisser, M., H. Hofmann, and F. Peeters. 2017. Vertikal migration of Chaoborus flavicans and effects dissolved oxygen. Conference of the German Society for Limnology (DGL), 25-29/09/2017, Cottbus, Germany, Poster presentation.


Hofmann, H., P. Dissanayake, and F. Peeters. 2017. Remobilization and transport of particles in the nearshore zone of Lake Constance. 20th Workshop on Physical Processes in Natural Waters (PPNW), 21-25/08/2017, Hyytiälä, Finland, Oral presentation.


Hofmann, H. 2017. Akustischen Messmethoden und deren Anwendungen. Workshop: ReWaM-Querschnittsthema: Probenahmestrategien und Methoden, 24-26/10/2018, Langenargen, Germany, Oral presentation.


Thomas, C., M.-E. Perga, V. Frossard, N. Pasche, H. Hofmann, D. Ariztegui, N. Dubois, N. Belkina, E. Lyautey. 2017. Vertical structure and horizontal variations in the cycling of methane in  the sediment of Lake Onego, Russia. European Geosciences Union General Assembly 2017 (EGU), 23/04-28/04/2017, Vienna, Austria, Oral presentation.


Hofmann, P. Dissanayake, and F. Peeters. 2017. Measurements and modeling of surface waves, currents and Sediment transport processes in the shallow water zone of Lake Constance under consideration of the shore morphology, Lake Constance Physicist Workshop, 10/03/2017, Stuttgart, Germany, Oral presentation.


Pasche, N., H. Hofmann, S. Sobek, C. Schubert, P. Lozovik, P., and Life Under Ice Scientific Team. 2017. Pronounced variability across spatial and temporal scales in under-ice CO2 and CH4 in large Lake Onego. Aquatic Science Meeting 2017 of the American Society of Limnology and Oceanography (ASLO), 28/02-03/03/2017, Honolulu, Hawaii, USA, Oral presentation.

2016

Dissanayake, P., H. Hofmann, and Peeters, F. 2016. Simulation of internal waves and surface currents in lakes: comparison of results from two 3D models and field data. 18th Physics of Estuaries and Coastal Seas Conference (PECS), 09-14/10/2016, Delft, The Netherlands, Oral presentation.


Encinas-Fernández, J., F. Peeters, and Hofmann, H. 2016. Shallow water zones are the major source of methane emissions from lakes. 18th SIL-Congress, 31/07-05/08/2016, Torino, Italy, Oral presentation.


Rothhaupt, K.-O., D. Straile, D. Martin-Creuzburg, E. Johannes, F. Peeters, and Hofmann, H. 2016. Phosphate-fertilization and CO2-addition have complementary effects on phytoplankton in a mesocosm experiment. 18th SIL-Congress, 31/07-05/08/2016, Torino, Italy, Oral presentation.


Pasche, N., S. Sobek, C. Schubert, B. Müller, H. Hofmann, Lozovik P.A., and Life Under Ice Scientific Team. 2016. Carbon cycling and carbon dioxide dynamics during ice-cover in great Lake Onego, Russia. 18th SIL-Congress, 31/07-05/08/2016, Torino, Italy, Oral presentation.


Peeters, F and Hofmann, H. 2016. Comparison of carbon and oxygen based estimates of lake metabolic rates utilizing an open water diel CO2 technique and the common open water diel O2 technique. 19th Workshop on Physical Processes in Natural Waters (PPNW), 12-15/07/2016, Bath, UK, Oral presentation.


Hofmann, H. and Peeters, F. 2016. Prospect of the project CHARM: CHAllenges of Reservoir Management – Meeting Environmental and Social Requirements. Lake Constance Physicist Workshop, 04/02/2016, Langenargen, Germany, Oral presentation.

2015

Ostendorp, W., H. Schlichterle, F. Peeters, and Hofmann, H. 2015. Erosion hazards to prehistoric cultural layers in the littoral of large pre-alpine lakes: a conceptual framework with examples from Lake Constance. Paris 5 – Preserving Archaeological Remains In Situ, 12-18/04/2015, Hemmenhofen, Switzerland.


Encinas-Fernández, J., F. Peeters, and Hofmann, H. 2015. Methane emissions from small lakes: Dynamics and distribution patterns. Lake Constance Physicist Workshop, 06/03/2015, Stuttgart, Germany, Poster presentation.

2014

Encinas-Fernández, J., F. Peeters, and Hofmann, H. 2014. Methane emissions from small lakes: Dynamics and distribution patterns. American Geophysical Union – Fall Meeting 2014 (AGU), 15-19/12/2014, San Francisco, USA, Poster presentation.


Wahl, B., M. Wessels, H.-G. Schroeder, M. Weber, H. Hofmann, Ostendorp, W. 2014. Handlungsoptionen zur Vermeidung anthropogener Erosion: Ergebnisse der Seenforschung. Table ronde de Marigny-Neuchâtel-Arenenberg/Hemmenhofen, Archéologie et Erosion: 2014, 08-10/10/2014, Arenenberg/Hemmenhofen, Germany.


Encinas-Fernández, J., F. Peeters, and Hofmann, H. 2014. The importance of overturns for annual methane emissions from lakes. European Geosciences Union General Assembly 2014 (EGU), 27/04-02/05/2014, Vienna, Austria, Oral presentation.


Hingsamer, P., F. Peeters, and Hofmann, H. 2014. Influence of internal waves on the spatial distribution and production of Planktothrix rubescens. Lake Constance Physicist Workshop, 04/02/2014, Stuttgart, Germany, Oral presentation.


Encinas-Fernández, J., F. Peeters, and Hofmann, H. 2014. The importance of overturns for annual methane emissions from lakes. Lake Constance Physicist Workshop, 04/02/2014, Stuttgart, Germany, Oral presentation.

2013

Hingsamer, P., F. Peeters, and Hofmann, H. 2013. Spatial distribution of plankton in Lake Ammer, Germany. 32th Congress of the International Association of Theoretical and Applied Limnology (SIL), 04-09/08/2013, Budapest, Hungary, Oral presentation.


Hofmann, H. 2013. Dynamics and distribution patterns of dissolved methane in lakes: How accurate are the current estimations of methane emissions to the atmosphere? 16th Workshop on Physical Processes in Natural Waters, 08-11/07/2013. Brisbane, Queensland, Australia, Oral presentation.


Hofmann, H. 2013. Einfluss von abiotischen Faktoren und organismischen Interaktionen auf räumlich-zeitliche Verteilungsmuster von Plankton im Ammersee – Ergebnisse der Messungen in 2011/12. Annual meeting of the sailing clubs around Lake Ammer, 14/03/2013, Utting, Germany, Oral presentation.


Hofmann, H. 2013. Abiotic conditions and the implications on biota in the littoral habitat. Department seminar – Biology, 31/01/2013, Konstanz, Germany, Oral presentation.

2012

Hofmann, H. 2012. Dynamics and distribution patterns of dissolved methane in lakes: How accurate are the present estimations of methane emissions to the atmosphere?. European Large Lakes Symposium (ELLS), 08-12/10/2012, Konstanz, Germany, Oral presentation.


Hingsamer, P., Peeters, F, and H. Hofmann. 2012. Spatial distribution of Planktothrix rubescens in Lake Ammer/Bavaria. European Large Lakes Symposium (ELLS), 08-12/10/2012, Konstanz, Germany, Oral presentation.


Hofmann, H. 2012. Lakes as source of atmospheric methane: Importance of spatio-temporal scales for the estimation of emissions. Conference of the German Society for Limnology (DGL), 24-28/09/2012, Koblenz, Germany, Oral presentation.


Hingsamer, P., Peeters, F, and H. Hofmann. 2012. Räumliche Verteilung von Planktothrix rubescens im Ammersee. Conference of the German Society for Limnology (DGL), 24-28/09/2012, Koblenz, Germany, Oral presentation.


Weber, M., Leo, F., Hofmann, H., and S. Wieprecht. 2012. Design of a 3D numerical model of Lake Constance to assess potential sediment erosion. International Association for Hydro-Environment Engineering and Research (IAHR), 27-28/06/2012, Munich, Germany. Oral presentation.


Hofmann, H. 2012. Lakes as source of atmospheric methane: Importance of spatio-temporal scales for the estimation of emissions. 76th Annual Conference of the DPG, 25-30/03/2012, Berlin, Germany, Oral presentation.


Hofmann, H. 2012. Einfluss von abiotischen Faktoren und organismischen Interaktionen auf räumlich-zeitliche Verteilungsmuster von Plankton im Ammersee – Ergebnisse der Messungen in 2011. Annual meeting of the sailing clubs around Lake Ammer, 22/03/2012, Dießen, Germany, Oral presentation.


Hofmann, H. 2012. Measurements and modeling of surface gravity waves and their importance for the exposure of the nearshore zone in Lake Constance. Environment information day – ‘Blauer Anker’, 03/03/2012. Kreuzlingen, Switzerland, Oral presentation.

2011

Graf M., Sprenger M., Hofmann, H., Seibt C., and U. Lohmann. 2011. Numerical simulations of short-crested surface waves for a pre-Alpine lake using the SWAN wave model. 9th Swiss Geoscience Meeting Zurich, 11-13/11/2011, Zurich, Switzerland, Oral presentation.


Hofmann, H. 2011. The importance of ship waves for near-shore zones of Lake Constance. Workshop: Focal point shore of Lake Constance, 23/09/2011, Konstanz, Germany, Oral presentation.


Hofmann, H., C. Seibt, and F. Peeters. 2011. Wave exposure and resuspension of selected study sites of Lake Constance and Zurich: Measurements and modelling. Final meeting, 29-30/06/2011, Hemmenhofen, Germany, Oral presentation.


Hofmann, H. 2011. Einfluss von abiotischen Faktoren und organismischen Interaktionen auf räumlich-zeitliche Verteilungsmuster von Plankton im Ammersee. Annual meeting of the sailing clubs around Lake Ammer, 24/03/2011, Dießen, Germany, Oral presentation.

2010

Hofmann, H., C. Seibt, and F. Peeters. 2010. Littoral zones as source of methane in lakes: Dynamics and distribution. 14th Workshop on Physical Processes in Natural Waters, 28/06-01/07/2010, Reykjavik, Iceland, Oral presentation.


Hofmann, H., Seibt, C., and F. Peeters. 2010. Littoral zones as source of methane in lakes. CRC-Symposium – The role of littoral processes on lake ecology, 29-31/01/2010, Hegne (Konstanz), Germany, Oral presentation.


Peeters, F., Hofmann, H., and A. Lorke. 2010. Abiotic forcing of the littoral habitat. CRC-Symposium – The role of littoral processes on lake ecology, 29-31/01/2010, Hegne (Konstanz), Germany, Oral presentation.


Preusse, M., Peeters, F., Hofmann, H., and A. Lorke. 2010. Internal waves and resuspension. CRC-Symposium – The role of littoral processes on lake ecology, 29-31/01/2010, Hegne (Konstanz), Germany, Poster presentation.


Scheifhacken, N., Peters, L., Fiek, C., Klahold, P., Hofmann, H., and K.-O. Rothhaupt. 2010. Linking macroinvertebrate patterns in lake littorals to underlying abiotic constrains. CRC-Symposium – The role of littoral processes on lake ecology, 29-31/01/2010, Hegne (Konstanz), Germany, Oral presentation.


Probst, W., Stoll, S., Eckmann, R., Hofmann, H., Fischer, P., and L. Peters. 2010. Step stones for understanding the influences of physical environment on the breeding success of freshwater fish. CRC-Symposium – The role of littoral processes on lake ecology, 29-31/01/2010, Hegne (Konstanz), Germany, Oral presentation.

2009

Hofmann, H. and F. Peeters. 2009. Release and distribution of methane in lakes. 13th Workshop on Physical Processes in Natural Waters, 01-04/09/2009, Palermo, Sicily, Italy, Oral presentation.


Hofmann, H., Lorke A., Federwisch L., and F. Peeters. 2009. Wave-induced release of methane in lake littoral zones. ASLO – Aquatic Science Meeting 2009, 25-30/01/2009, Nice, France, Poster presentation.

2008

Hofmann, H. and A. Lorke. 2008. Application of acoustic current measurements in freshwater science. NORTEK – European User Symposium, 08-10/10/2008, Hyères, France, Oral presentation.


Hofmann, H. 2008. Eigenschaften und Bedeutung von wind- und schiffsinduzierten Oberflächenwellen im Litoral des Bodensees. Conference of the German Society for Limnology (DGL), 22-26/09/2008, Konstanz, Germany, Oral presentation.


Hofmann, H., A. Lorke, and F. Peeters. 2008. Wellen-induzierte Variabilität des Unterwasser-Lichtklimas. Conference of the German Society for Limnology (DGL), 22-26/09/2008, Konstanz, Germany, Oral presentation.


Beeck, P., Lages E., Stoll S., Hofmann, H., Eckmann R., and P. Jatteau. 2008. Der Einfluss von Oberflächenwellen und Bodensubstrat auf die Ei- und Larvenentwicklung von Maifischen (Alosa alosa). Conference of the German Society for Limnology (DGL), 22-26/09/2008, Konstanz, Germany, Oral presentation.


Hofmann, H., A. Lorke, and F. Peeters. 2008. Characteristics and implications of waves in lake littoral zones. 12th Workshop on Physical Processes in Natural Waters, 02-05/09/2008, Lake Tahoe, USA, Oral presentation.


Hofmann, H., A. Lorke, and F. Peeters. 2008. Oberflächenwellen und deren Einfluss auf die Flachwasserzone eines Sees (Bodensee). ‘Day of Environment’ at the University of Konstanz, June 2008, Konstanz, Poster presentation.

2007

Hofmann, H., A. Lorke, and F. Peeters. 2007. Wave-induced variability of the underwater light climate in the littoral zone. 30th Congress of the International Association of Theoretical and Applied Limnology (SIL), 12-18/08/2007, Montreal, Canada, Oral presentation.

2006

Hofmann, H., A. Lorke, and F. Peeters. 2006. The impact of water level fluctuations at different temporal and spatial scales on abiotic and biotic processes. 10th Workshop on Physical Processes in Natural Waters, 26-28/06/2006, Granada, Spain, Oral presentation.

2005

Hofmann, H., A. Lorke, and F. Peeters. 2005. Temporal and spatial scales of water level fluctuations. Workshop: Water level fluctuations in lacustrine systems – ecological impacts and prospects of future climate change, 11-13/12/2005, Konstanz, Germany, Oral presentation.


Hofmann, H., A. Lorke, and F. Peeters. 2005. Wave-induced resuspension in the littoral zone of Lake Constance. 9th Workshop on Physical Processes in Natural Waters, 04-06/09/2005, Lancaster, UK, Oral presentation.


Hofmann, H., E. Bäuerle, P. Fischer, and F. Peeters. 2005. Observation of resuspension-induced density plumes in the littoral zone of upper Lake Constance. Aquatic Science Meeting 2005 of the American Society of Limnology and Oceanography (ASLO), 20-25/02/2005, Salt Lake City, Utah, USA, Oral presentation.

2004

Hofmann, H. and D. Lessmann. 2004. Hydrogeochemistry of groundwater seepage into an acidic mining lake. XXIX Congress of the International Association of Theoretical and Applied Limnology (SIL), 08-14/08/2004, Lahti, Finland, Poster presentation.


Lessmann, D., H. Hofmann, C. Beulker, and B. Nixdorf. 2004. Effects of winter temperature on phytoplankton development in acidic mining lakes. XXIX Congress of the International Association of Theoretical and Applied Limnology (SIL), 08-14/08/2004, Lahti, Finland, Oral presentation.

2003

Hofmann, H., K. Knöller, D. Lessmann, K.D. Jöhnk, U. Grünewald, and B. Nixdorf. 2003. Mining lakes as groundwater dominated hydrological systems: Assessment of the water balance of Lake Plessa 117 (Lusatia, Germany) by using isotope tracers and seepage meter measurings. XXIII General Assembly of the International Union of Geodesy and Geophysics (IUGG), 30/06-11/07/2003, Sapporo, Japan, Oral presentation.


Hofmann, H., K. Knöller, and D. Lessmann. 2003. Tagebauseen als grundwasserdominierte hydrologische Systeme: Untersuchungen zum Wasserhaushalt des Tagebausees Plessa 117 unter Verwendung stabiler Umweltisotope. Conference of the German Society for Limnology (DGL), Köln, 29/09-03/10/2003, Oral presentation.


Lessmann, D., R. Ender, H. Hofmann, J. Rücker, C. Beulker, and B. Nixdorf. 2003. Der Einfluss lang andauernder Eisbedeckung auf die Phytoplankton-Entwicklung in sauren Tagebauseen. Conference of the German Society for Limnology (DGL), Köln, 29/09-03/10/2003, Poster presentation.

2002

Hofmann, H., M. Hemm, E. Gassert, and D. Lessmann. 2002. Beispiel für eine GPS-Echolot-Kopplung zur Erstellung einer bathymetrischen Karte und Bestimmung morphometrischer Parameter (Tagebausee Mortka, Ostsachsen). Conference of the German Society for Limnology (DGL), Braunschweig, 30/09-04/10/2002, Poster presentation.