Dr.-Ing. Katinka Koll

Research interests

• Fluvial morphodynamics
• Floodplain sedimentation / natural levee formation

Publications

Dissertation

• Koll, K. (2002): "Feststofftransport und Geschwindigkeitsverteilung in Raugerinnen." [online], Karlsruhe, Univ., Fak. f. Bauingenieur- und Vermessungswesen, Diss. v. 12.7.2002.

Publications in peer-reviewed Journals

• Gölz, E.; Grebmayer, T.; Hartmann, S.; Knoblauch, H.; Koll, Ka.; Schaipp, B.; Schmidt, A.; Vollmer, S.; Wieprecht, S. (2012): Sedimentmanagement in Fließgewässern - Grundlagen, Methoden, Fallbeispiele. DWA-Regelwerk, Merkblatt DWA-M 525, ISBN 978-3-942964-47-0, 165 Seiten
• Dittrich, A.; Koll, Ka.; Aberle, J. (2011): Wasserwirtschaftliche Forschungseinrichtungen - Abteilung Wasserbau am Leichtweiß-Institut für Wasserbau der Technischen Universität Carolo-Wilhelmina zu Braunschweig. Korrespondenz Wasserwirtschaft, Vol. 4, No. 10, 574-575
• Aberle, J.; Koll, Ka.; Dittrich, A. (2008): Form induced stresses over rough gravel-beds. Acta Geophysica Polonica, Vol. 56, No. 3, 584-600
• Nikora, V.; McLean, S.; Coleman, S.; Pokrajac, D.; McEwan, I.; Campbell, L.; Aberle, J.; Clunie, D.; Koll, Ka. (2007): Double averaging concept for rough-bed open-channel and overland flows: Applications. J. Hydr. Eng., Vol. 133, No. 8, 884-895
• Schulte-Rentrop, A.; Koll, Ka.; Aberle, J.; Dittrich, A. (2005): Sediment budget of a heathland sand-bed river. Acta Geophysica Polonica, Vol. 53, No. 4, 553-565
• Nikora, V.; Koll, Ka.; McEwan, I.; McLean, S.; Dittrich, A. (2004): Velocity distribution in the roughness layer of rough-bed flows. J. Hydr. Eng., Vol. 130, No. 10, 1036-1042
• Specht, F.-J.; Koll, Ka. (2004): Consideration of vegetation on bed-load transport. Wethydr - Center of Excellence in Wetland Hydrology, No. 2 "Model application for wetlands hydrology and hydraulics", Eds. J. Kubrak, T. Okruszko, S. Ignar, Warsaw Agricultural University Press, 135-144
• Koll, Ka.; Dittrich, A. (2001): Influence of sediment transport on armoured surfaces. Int. J. Sed. Res., Vol. 16, No. 2, 201-206
• Dittrich, A.; Koll, Ka. (1997): Velocity field and resistance of flow over rough surfaces with large and small relative submergence. Int. J. Sed. Res., Vol. 12, No 3, 21-33
• Dittrich, A.; Koll, Ka. (1997): Abpflasterung (natürlich): Grundlagen und Anwendungsbeispiel. DVWK-Schriften, Heft 118, Paul Parey Verlag, Hamburg, Berlin, 92-105
• Söhngen, B.; Koll, Ka. (1997): Bemessung von Sohlendeckwerken (künstlich) unter starkem Strömungseinfluß. DVWK-Schriften, Heft 118, Paul Parey Verlag, Hamburg, Berlin, 106-134

Publications in Conference-Proceedings

• Koll, Kl.; Koll, Ka. (2012): Influence of depot size on bed load transport velocity over static armour layers. Int. Conf. on Fluvial Hydraulics, RiverFlow 2012, 5-7 September 2012, San José, Costa Rica, Edited by R.E. Murillo Munoz, CRC Press, Vol. 1, 451-463
• Möws, R.; Koll, Ka. (2012): Influence of small head hydropower on upstream bed topography. International Conference on Scour and Erosion, ICSE6, 27-31 August 2012, Paris, France
• Spiller, S.; Rüther, N.; Koll, Kl.; Koll, Ka. (2012): Bed load movement over a fully devel-oped armor layer - A tracer experiment. Int. Conf. on Fluvial Hydraulics, RiverFlow 2012, 5-7 September 2012, San José, Costa Rica, Edited by R.E. Murillo Munoz, CRC Press, Vol. 1, 465-471
• Dittrich, A.; Koll, Kl.; Koll, Ka.; Huppmann, O. (2011): Der Oberrhein zwischen Weil und Breisach - Transport von Geschiebe über Deckschichten. Proc. 41 Internationales Wasserbau-Symposium IWASA, 10 - 12 January 2011, Aachen, Germany, 21-38
• Möws, R.; Koll, Ka. (2011): Changes of bed topography upstream of small hydropower installations. Euromech Colloquium 523, 15 - 17 June 2011, Clermont-Ferrand, France, 93-97
• Koll, Kl.; Koll, Ka.; Dittrich, A. (2010): Sediment transport over static armour layers and its impact on bed stability. Proc. Int. Conf. on Fluvial Hydraulics, RiverFlow 2010, 08.-10.09.2010, Braunschweig, Germany, Edited by A. Dittrich, Ka. Koll, J. Aberle & P. Geisenhainer, BAW, Vol. 2, 929-936
• Olsen, N.R.B.; Aberle, J.; Koll, Ka. (2010): Resolving large bed roughness elements with an unstructured hexahedral grid. Proc. Int. Conf. on Fluvial Hydraulics, RiverFlow 2010, 08.-10.09.2010, Braunschweig, Germany, Edited by A. Dittrich, Ka. Koll, J. Aberle & P. Geisenhainer, BAW, Vol. 1, 377-383
• Koll, Ka.; Cooper, J.R.; Tait, S.J.; Aberle, J.; Marion, A. (2010): Investigation into the physical relationship between water-worked gravel bed armours and turbulent in-channel flow patterns. Proc. Hydralab Closing Event, Hannover, Germany
• Koll, Ka.; Schoneboom, T. (2009): Effect of bad spots in the grass cover on the stability of dikes during overtopping. 33rd IAHR Congress, Vancouver, Canada
• Cooper, J.R.; Aberle, J.; Koll, Ka.; Tait, S.J.; Marion, A. (2008): The influence of different roughness length scales in water worked sediment deposits on the turbulent near bed flow field. ICHE 2008, Nagoya, Japan
• Cooper, J.R.; Aberle, J.; Koll, Ka.; McLelland, S.J., Murphy, B.J.; Tait, S.J.; Marion, A. (2008): Observation of the near-bed flow field over gravel bed surfaces with different roughness length scales. RiverFlow 2008, Cesme - Izmir, Turkey (accepted)
• Koll, Ka.; Tait, S.J.; Cooper, J.R.; Aberle, J.; McLelland, S.J., Murphy, B.J.; Massaro, G. (2008): Estimating flow turbulence characteristics over water-worked gravel beds using LDA and PIV measurement systems. RiverFlow 2008, Cesme - Izmir, Turkey (accepted)
• Aberle, J.; Koll, Ka.; Dittrich, A. (2007): Analysis of form induced stresses over rough gravel-bed armour layers. Proc. 32nd IAHR Congress, Venice, Italy, 01.-06. July 2007
• Koll, Ka. (2006): Parameterisation of the vertical velocity profile in the wall region over rough surfaces. Proc. Int. Conf. on Fluvial Hydraulics, RiverFlow 2006, Lisbon, Portugal, Vol. 1, 163-171
• Aberle, J.; Koll, Ka. (2004): Double-averaged flow field over static armor layers. Proc. Int. Conf. on Fluvial Hydraulics, RiverFlow 2004, Naples, Italy
• Aberle, J.; Dittrich, A.; Koll, Ka.; Schoneboom, T. (2004): Sohlnahes turbulentes Strömungsfeld. BAW-Workshop: Boden- und Sohlstabilität - Betrachtungen an der Schnittstelle zwischen Geotechnik und Wasserbau, 17.09.2004, Bundesanstalt für Wasserbau, Karlsruhe
• Koll, Ka. (2004): Transport processes over static armour layers. Proc. 5th Int. Symp. on Ecohydraulics, Madrid, Spain, 442-448
• Müller, G.; Koll, Ka. (2004): River re-naturalization: historic and anthropogenic constraints, ecosystems and their interaction. Proc. 5th Int. Symp. on Ecohydraulics, Madrid, Spain, 306-311
• Dittrich, A.; Koll, Ka.; Becker, K. (2002): Resistance of local flood berm vegetation in compound channels. Proc. 5th Int. Conf. on Hydro-Science & -Engineering ICHE, Warzawa, Poland.
• Nikora, V.I.; Koll, Ka.; McLean, S.; Dittrich, A.; Aberle, J. (2002): Zero-plane displacement for rough-bed open-channel flows. Proc. Int. Conf. on Fluvial Hydraulics, RiverFlow 2002, Louvain-la-Neuve, Belgium, Eds. D. Bousmar & Y. Zech, Balkema Publishers, Vol. 1, 83-91.
• Koll, Ka.; Dittrich, A. (1999): Validation of incipient motion formulas with field data. Proc. 7th Int. Symp. on River Sedimentation, Hong Kong, China, 1998, Eds. Jayawardena, Lee, Wang; Rotterdam Balkema, 247-252.
• Koll, Ka.; Dittrich, A. (1998): Sediment transport and erosion in mountain streams. Proc. Int. Symp. on Modelling Soil Erosion, Sediment Transport and Closely Related Hydrological Processes, Vienna, Austria, IAHS Publ. No. 249, Eds. Summer, Klaghofer, Zhang, 309-316.
• Dittrich, A.; Nestmann, F.; Hartmann, G.; Koll, Ka. (1997): Flow resistance due to morphological structures. 3rd Int. Conf. on River Flood Hydraulics, Stellenbosch, South Africa, Ed. Jacquline Watts, HR Wallingford Ltd.

Conference-Abstracts

• Koll, Ka., Koll, Kl. (2009): Hydraulische Leistungsfähigkeit der niedersächsischen Elbe. 'Entwicklung von Flussauen - Möglichkeiten und Grenzen', gemeinsames Institutskolloquium der TU Braunschweig, TU Kaiserslautern und FH Magdeburg-Stendal, 22.10.2009, Braunschweig
• Koll, Ka. (2009): Morphodynamisches Monitoring: Bauweisen - Morphologie - Auenentwicklung. 'Renaturierung der Schunter im Flurneuordnungsgebiet Hondelage/Dibbesdorf', Statusseminar, Stadt Braunschweig, 28.04.2009, Braunschweig
• Gölz, E., Koll, Ka. (2008): Sedimente und ihre Eigenschaften. Seminar 'Grundlagen morphodynamischer Fließgewässer', Leichtweiß-Institut für Wasserbau, TU Braunschweig, 13.11.2008, Braunschweig
• Koll, Ka. (2008): Quasi-statische Sohlstrukturen. Seminar 'Grundlagen morphodynamischer Fließgewässer', Leichtweiß-Institut für Wasserbau, TU Braunschweig, 13.11.2008, Braunschweig
• Koll, Ka. (2007): Beeinflussung von Sedimenthaushalt und -transport. 10. Gewässermorphologisches Kolloquium 'Sedimentmanagement in Flussgebieten', Bundesanstalt für Gewässerkunde, 05./06.11.2007, Koblenz
• Schoneboom, T.; Koll, Ka. (2007): Development of a bed-load transport model based on field data. Workshop der Internationalen Kommission für die Hydrologie des Rheingebietes (KHR) 'Sediment', 08./09.02.2007, Koblenz
• Koll, Ka. (2003): Auswirkung von Geschiebeeintrag auf ausgeprägte statische Deckschichten. Workshop der Internationalen Kommission für die Hydrologie des Rheingebietes (KHR) 'Gradiertes Sediment', 11./12.12.2003, Darmstadt
• Wieprecht, S.; Dittrich, A.; Koll, Ka. (2002): Optimisation and calibration of the BfG bed load sampler. Abstract, EGS 27th General Assembly, Nice, France.
• Rauch, H.P.; Schreiber, J.; Koll, Ka. (2001): Methods for quantifying the bed roughness at the River Wienfluss. Abstract, EGS 26th General Assembly, Nice, France.
• Koll, Ka.; Dittrich, A. (1999): Influence of intensive transport on armoured surfaces. Dynamics of water and sediment in alpine catchments: processes and predictions, Final Symposium of the Eroslope II Project, September 28-30, 1999, Padova (Italy).
• Koll, Ka.; Dittrich, A. (1999): Bed-load transport over armoured surfaces in steep streams. Abstract, EGS 24th General Assembly, The Hague, Netherlands.