Publications

In review / in preparation

Schalko I., Follett, E., Nepf H. (in prep.). Flow distribution and backwater rise of partial logjams. Geophysical Research Letters.

Schalko I., Wohl, E., Nepf H. (in prep.). Local flow and bedload transport processes due to log placements. Water Resources Research.

Journal articles

[16] Schalko I., Boes R.M. (2021). Effect of water withdrawal on the appearance and sound level of waterfalls. Water Resources Research, https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2021WR030980

[15] Schalko I., Wohl E., Nepf H. (2021). Flow and wake characteristics associated with large wood to inform river restoration. Scientific Reports, https://www.nature.com/articles/s41598-021-87892-7
Study was featured in Horizons – The Swiss Research Magazine by SNSF

[14] Schalko I. and Weitbrecht V. (2021). Wood blockage and sediment transport at inclined bar screens. Journal of Hydraulic Research, https://www.tandfonline.com/doi/full/10.1080/00221686.2021.1903588

[13] Schalko I., Ruiz-Villanueva V., Maager F., Weitbrecht V. (2021). Wood retention at inclined bar screens: effects of wood characteristics on backwater rise and bedload transport. Water, https://doi.org/10.3390/w13162231

[12] Follett E., Schalko I., Nepf H. (2021). Logjams with a lower gap: backwater rise and flow distribution beneath and through logjam predicted by two-box momentum balance. Geophysical Research Letters, https://doi.org/10.1029/2021GL094279

[11] Friedrich H., Ravazzolo D., Ruiz-Villanueva V., Schalko I., Spreitzer G., Tunnicliffe J., Weitbrecht V. (2021). Physical modelling of large wood (LW) processes relevant for river management: Perspectives from New Zealand and Switzerland. Earth Surface Processes and Landforms, http://doi.org/10.1002/esp.5181

[10] Stocker B., Schalko I., Lais A., Boes R.M. (2021). Discussion of “Reservoir Level Rise under Extreme Driftwood Blockage at Ogee Crest” by Loïc Bénet, Giovanni De Cesare, and Michael Pfister. Journal of Hydraulic Engineering , https://doi.org/10.1061/(ASCE)HY.1943-7900.0001945

[9] Valero D., Schalko I., Friedrich H., Abad J.D., Bung D.B., Donchyts G., Felder S., Ferreira R.M.L., Hohermuth B., Kramer M., Li D., Mendes L., Moreno-Rodenas A., Nones M., Paron P., Ruiz-Villanueva V., Wang R.-Q., Franca M.J. (2021). Pathways towards democratization of hydro-environment observations and data. IAHR White Paper, Issue 1, ISSN (Online): 2664-5637 (Link).

[8] Wyss A., Schalko I., Weitbrecht V. (2021). Field study on wood accumulation at a bridge pier. Water, https://doi.org/10.3390/w13182475

[7] Follett E., Schalko I., Nepf H. (2020). Momentum and energy predict the backwater rise generated by a large wood jam. Geophysical Research Letters, https://doi.org/10.1029/2020GL089346
Study was featured in MIT News

[6] Schalko I. (2020). Wood retention at inclined racks: effects on flow and local bedload processes. Earth Surface Processes and Landforms, https://doi.org/10.1002/esp.4864

[5] Schalko I., Schmocker L., Weitbrecht V., Boes R.M. (2020). Risk reduction measures of large wood accumulations at bridges. Environmental Fluid Mechanics, https://doi.org/10.1007/s10652-019-09719-4

[4] Schalko I., Schmocker L., Weitbrecht V., Boes R.M. (2020). Laboratory study on wood accumulation probability at bridge piers. Journal of Hydraulic Research, https://doi.org/10.1080/00221686.2019.1625820

[3] Schalko I., Lageder C., Schmocker L., Weitbrecht V., Boes R.M. (2019). Laboratory flume experiments on the formation of spanwise large wood accumulations Part II: Effect on local scour. Water Resources Research, https://doi.org/10.1029/2019WR024789

[2] Schalko I., Lageder C., Schmocker L., Weitbrecht V., Boes R.M. (2019). Laboratory flume experiments on the formation of spanwise large wood accumulations Part I: Effect on backwater rise. Water Resources Research, https://doi.org/10.1029/2018WR024649

[1] Schalko I., Schmocker L., Weitbrecht V., Boes R.M. (2018). Backwater rise due to large wood accumulations. Journal of Hydraulic Engineering, https://doi.org/10.1061/(ASCE)HY.1943-7900.0001501

Doctoral Thesis

Schalko I. (2018). Modeling hazards related to large wood in rivers. VAW-Mitteilungen 249, Versuchsanstalt für Wasserbau, Hydrologie und Glaziologie (VAW), ETH Zurich, Switzerland. Online available

Other Articles

Schalko I., Schmocker L., Weitbrecht V., Boes R. (2019). Gefahrenbeurteilung von Schwemmholzverklausungen in Flüssen: Teil 2 – Aufstau („Hazard assessment of large wood accumulations in rivers: Part 2 – Backwater rise“). Wasser Energie Luft 111(2): 71-77 (in German).

Schalko I., Schmocker L., Weitbrecht V., Boes R. (2019). Gefahrenbeurteilung von Schwemmholzverklausungen in Flüssen: Teil 1 – Verklausungswahrscheinlichkeit („Hazard assessment of large wood accumulations in rivers: Part 1 – Accumulation probability“). Wasser Energie Luft 111(2): 63-70 (in German).

Schalko I., Schmocker L., Weitbrecht V., Boes R. (2019). Klein aber mit grosser Wirkung: Wie Äste und Blätter den Rückstau einer Schwemmholzverklausung in Flüssen vergrössern („Small but with great effect: How branches and leaves in wood accumulations increase backwater rise“). Ingenieurbiologie 1: 21-28 (in German).

Schalko I., Schmocker L., Weitbrecht V., Boes R. (2017). Schwemmholz: Gefahrenbeurteilung und Massnahmenplanung am Fallbeispiel Renggbach, Kanton Luzern („Large wood: hazard evaluation and action planning for the case study Renggbach, Canton Lucerne“). Wasser Energie Luft 109(4): 271-278 (in German).

Schalko I., Arnold F., Demarchi L., Hiller P.H., Boes R. (2016). Einfluss der Wasserführung auf das Erscheinungsbild und die Akustik von Wasserfällen, Restwasserbestimmung bei Wasserentnahmen oberhalb von Wasserfällen („Effect of hydropower plant expansion on waterfall appearance and acoustics“). Wasser Energie Luft 108(3): 207-219 (in German).

Reports

Schalko I., Jacob R., Kuzmanovska I. (2017). AVETH follow-up survey on salary and duties of ETH doctoral students. AVETH Report.

Fuchs H., Schalko I., Emaury F. (2016). AVETH survey on representation of permanent scientific staff at ETH. AVETH Report.

Emaury F., Fuchs H., Schalko I., Senn R., Thöle F. (2014). AVETH survey on salary and duties of ETH doctoral students. AVETH Report.