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Books
(b1) RCEM 2019 – The 11th Symposium on River, Coastal and Estuarine Morphodynamics – Book of Abstracts (2019). Edited by Friedrich, H. and Bryan, K.R., 251 pages https://doi.org/10.17608/k6.auckland.11301827.v1
Journal Articles
(j53) Friedrich, H., Ravazzolo, D., Ruiz-Villanueva, V., Schalko, I., Spreitzer, G., Tunnicliffe, J. and 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 https://doi.org/10.1002/esp.5181
(j52) Al-Zawaideh, H., Ravazzolo, D. and Friedrich, H. (2021). Local geomorphic effects in the presence of accumulations of different densities. Geomorphology https://doi.org/10.1016/j.geomorph.2021.107838
(j51) Magaju, D., Montgomery, J., Franklin, P., Baker, C. and Friedrich, H. (2021). Spoiler baffle patch design for improved upstream passage of small-bodied fish. Ecological Engineering https://doi.org/10.1016/j.ecoleng.2021.106316
(j50) Pelmard, J., Norris, S. and Friedrich, H. (2021). Turbulent density transport in the mixing layer of an unsteady gravity current. Advances in Water Resources https://doi.org/10.1016/j.advwatres.2021.103963
(j49) Terwisscha van Scheltinga, R.C., Coco, G. and Friedrich, H. (2021). Sediment particle velocity and activity during bedform migration. Water Resources Research https://doi.org/10.1029/2020WR029017
(j48) Jin, C., Coco, G., San Juan, J., Tinoco, R.O., Dutta, S., Ranjan, P., Friedrich, H. and Gong, Z. (2021). Large-Eddy Simulation of three-dimensional flow structures over wave-generated ripples. Earth Surface Processes and Landforms https://doi.org/10.1002/esp.5120
(j47) Al-Zawaidah, H., Ravazzolo, D. and Friedrich, H. (2021). Macroplastics in rivers: Present knowledge, issues and challenges. Environmental Science: Processes & Impacts https://doi.org/10.1039/D0EM00517G
(j46) Spreitzer, G., Tunnicliffe, J. and Friedrich, H. (2021). Effects of large wood (LW) blockage on bedload connectivity in the presence of a hydraulic structure. Ecological Engineering https://doi.org/10.1016/j.ecoleng.2021.106156
(j45) Wilson, R.I., Friedrich, H. and Stevens, C. (2021). Ambient entrainment mechanisms of partially unconfined turbidity currents interacting with a continuous rigid obstacle. Journal of Waterway, Port, Coastal, and Ocean Engineering, ASCE https://doi.org/10.1061/(ASCE)WW.1943-5460.0000628
(j44) Hicks, D.M., Baynes, E.R.C., Measures, R., Stecca, G., Tunnicliffe, J. and Friedrich, H. (2021). Morphodynamic research challenges for braided river environments: Lessons from the iconic case of New Zealand. Earth Surface Processes and Landforms https://doi.org/10.1002/esp.5014
(j43) Baynes, E.R.C., Bardin, C. and Friedrich, H. (2020). Fluvial evacuation of landslide material from bedrock-confined channels under controlled experimental conditions. Geomorphology https://doi.org/10.1016/j.geomorph.2020.107359
(j42) Pelmard, J., Norris, S. and Friedrich, H. (2020). Statistical characterisation of turbulence for an unsteady gravity current. Journal of Fluid Mechanics https://doi.org/10.1017/jfm.2020.528
(j41) Jin, C., Coco, G., Tinoco, R.O., Perron, J.T., Myrow, P.M., Huppert, K.L., Friedrich, H., Goldstein, E.B. and Gong, Z. (2020). Investigating the response of wave-generated ripples to changes in wave forcing. Geomorphology https://doi.org/10.1016/j.geomorph.2020.107229
(j40) Magaju, D., Montgomery, J., Franklin, P., Baker, C. and Friedrich, H. (2020) A new framework for assessing roughness elements in promoting fish passage at low-head instream structures. Journal of Ecohydraulics https://doi.org/10.1080/24705357.2020.1738967
(j39) Spreitzer, G., Tunnicliffe, J. and Friedrich, H. (2020). Porosity and volume assessments of large wood (LW) accumulations. Geomorphology https://doi.org/10.1016/j.geomorph.2020.107122
(j38) Terwisscha van Scheltinga, R.C., Coco, G., Kleinhans, M.G. and Friedrich, H. (2020). Observations of dune interactions from DEMs using through-water Structure from Motion. Geomorphology https://doi.org/10.1016/j.geomorph.2020.107126
(j37) Spreitzer, G., Tunnicliffe, J. and Friedrich, H. (2020). Large wood (LW) 3D accumulation mapping and assessment using Structure from Motion photogrammetry in the laboratory. Journal of Hydrology https://doi.org/10.1016/j.jhydrol.2019.124430
(j36) Bertin, S. and Friedrich, H. (2019). Effects of sand addition and bed flushing on gravel‐bed surface microtopography and roughness. Water Resources Research https://doi.org/10.1029/2018WR024615
(j35) Spreitzer, G., Tunnicliffe, J. and Friedrich, H. (2019). Using Structure from Motion photogrammetry to assess large wood (LW) accumulations in the field. Geomorphology https://doi.org/10.1016/j.geomorph.2019.106851
(j34) Spreitzer, G., Gibson, J., Tang, M., Tunnicliffe, J. and Friedrich, H. (2019). SmartWood: Laboratory experiments for assessing the effectiveness of smart sensors for monitoring large wood movement behaviour. Catena https://doi.org/10.1016/j.catena.2019.104145
(j33) Knapp, M., Montgomery, J., Whittaker, C., Franklin, P., Baker, C. and Friedrich, H. (2019). Fish Passage Hydrodynamics: Insights into overcoming Migration Challenges for small-bodied Fish. Journal of Ecohydraulics https://doi.org/10.1080/24705357.2019.1604091
(j32) Terwisscha van Scheltinga, R.C., Coco, G. and Friedrich, H. (2019). Sand particle velocities over a subaqueous dune slope using high-frequency image capturing. Earth Surface Processes and Landforms https://doi.org/10.1002/esp.4617
(j31) Groom, J., Bertin, S., and Friedrich, H. (2019). Moving-window detrending for grain-roughness parameterization. Journal of Hydraulic Engineering, ASCE https://doi.org/10.1061/(ASCE)HY.1943-7900.0001612
(j30) Groom, J. and Friedrich, H. (2019) Spatial structure of near-bed flow properties at the grain scale. Geomorphology https://doi.org/10.1016/j.geomorph.2018.10.013
(j29) Wilson, R.I., Friedrich, H. and Stevens, C. (2019). Quantifying propagation characteristics of unconfined turbidity currents interacting with an obstacle within the slumping regime. Journal of Hydraulic Research https://doi.org/10.1080/00221686.2018.1494054
(j28) Groom, J. and Friedrich, H. (2018) Bridging the lab-field interface in fluvial morphology at patch-scale: Using close-range photogrammetry to assess surface replication and vegetation influence. River Research and Applications https://doi.org/10.1002/rra.3370
(j27) Wilson, R.I., Friedrich, H. and Stevens, C. (2018). Flow structure of unconfined turbidity currents interacting with an obstacle. Environmental Fluid Mechanics https://doi.org/10.1007/s10652-018-9631-7
(j26) Wilson, R.I. and Friedrich, H. (2018). Coupling of ultrasonic and photometric techniques for synchronous measurements of unconfined turbidity currents. Water https://doi.org/10.3390/w10091246
(j25) Groom, J., Bertin, S., and Friedrich, H. (2018). Evaluation of DEM size and grid spacing for fluvial patch-scale roughness parameterisation. Geomorphology https://doi.org/10.1016/j.geomorph.2018.08.017
(j24) Pelmard, J., Norris, S. and Friedrich, H. (2018). LES grid resolution requirements for the modelling of gravity currents. Computers & Fluids https://doi.org/10.1016/j.compfluid.2018.08.005
(j23) Li, W., Bertin, S., and Friedrich, H. (2018). Combining Structure from Motion and close-range stereo photogrammetry to obtain scaled gravel bar DEMs. International Journal of Remote Sensing https://doi.org/10.1080/01431161.2018.1530809
(j22) Groom, J., Bertin, S. and Friedrich, H. (2018). Assessing intra-bar variations in grain roughness using close-range photogrammetry. Journal of Sedimentary Research https://doi.org/10.2110/jsr.2018.30
(j21) Noack, M., Friedrich, H. and Aberle, J. (2018). Introduction to the special issue of the 13th International Symposium on River Sedimentation, Stuttgart, Germany: Experimental and measuring/monitoring research related to sediment issues. International Journal of Sediment Research https://doi.org/10.1016/j.ijsrc.2018.02.002
(j20) Bertin, S. and Friedrich, H. (2018). Effect of surface texture and structure on the development of stable fluvial armors. Geomorphology, 306, 64-79. https://doi.org/10.1016/j.geomorph.2018.01.013
(j19) Wilson, R.I., Friedrich, H. and Stevens, C. (2018). Image thresholding process for combining photometry with intrusive flow instruments. Journal of Hydraulic Research. https://doi.org/10.1080/00221686.2017.1313320
(j18) Bertin, S., Groom, J. and Friedrich, H. (2017). Isolating roughness scales of gravel-bed patches. Water Resources Research, 53(8), 6841-6856. https://doi.org/10.1002/2016WR020205
(j17) Wilson, R.I., Friedrich, H. and Stevens, C. (2017). Turbulent entrainment in sediment-laden flows interacting with an obstacle. Physics of Fluids, 29, 036603. https://doi.org/10.1063/1.4979067
(j16) Staehly, S., Friedrich, H. and Detert, M. (2017). Size ratio of fluvial grains intermediate axes assessed by image processing and square hole sieving. Journal of Hydraulic Engineering, ASCE, 143(6), 06017005. https://doi.org/10.1061/(ASCE)HY.1943-7900.0001286
(j15) Bertin, S. and Friedrich, H. (2016). Field application of close-range digital photogrammetry (CRDP) for grain-scale fluvial morphology studies. Earth Surface Processes and Landforms, 41(10), 1358-1369. https://doi.org/10.1002/esp.3906
(j14) Guan, D., Melville, B.W., and Friedrich, H. (2016). Local scour at submerged weirs in sand-bed channels. Journal of Hydraulic Research, 172-184. https://doi.org/10.1080/00221686.2015.1132275
(j13) Bertin, S., Friedrich, H. and Delmas, P. (2016). A merging solution for close-range DEMs to optimise surface coverage and measurement resolution. Photogrammetric Engineering and Remote Sensing, 82, 31-40. https://doi.org/10.14358/PERS.83.1.31
(j12) Spiller, S.M., Ruther, N. and Friedrich, H. (2015). Dynamic lift on an artificial static armor layer during highly unsteady open channel flow. Water, 7(9), 4951-4970. https://doi.org/10.3390/w7094951
(j11) Bertin, S., Friedrich, H., Delmas, P., Chan, E. and Gimel’farb, G. (2015). Digital stereo photogrammetry for grainscale monitoring of fluvial surfaces: Error evaluation and workflow optimisation. ISPRS Journal of Photogrammetry and Remote Sensing, 101, 193–208. https://doi.org/10.1016/j.isprsjprs.2014.12.019
(j10) Guan, D., Melville, B.W., and Friedrich, H. (2015). Live bed scour at submerged weirs. Journal of Hydraulic Engineering, 141(2), 04014071. https://doi.org/10.1061/(ASCE)HY.1943-7900.0000954
(j9) Levy, B., Friedrich, H., Cater, J., Clarke, R. and Denier, J. (2014). The impact of twine/mesh ratio on flow dynamics through a porous cylinder. Experiments in Fluids, 55:1829. https://doi.org/10.1007/s00348-014-1829-y
(j8) Bertin, S., Friedrich, H., Delmas, P., Chan, E. and Gimel’farb, G. (2014). DEM quality assessment with a 3D printed gravel bed applied to stereophotogrammetry. Photogrammetric Record, 29(146), 241-264. https://doi.org/10.1111/phor.12061
(j7) Heays, K. G., Friedrich, H., and Melville, B. W. (2014). Laboratory study of gravel-bed cluster formation and disintegration. Water Resources Research, 50(3), 2227–2241. https://doi.org/10.1002/2013WR014208
(j6) Heays, K., Friedrich, H., Melville, B.W., Nokes, R. (2014). Quantifying the dynamic evolution of graded gravel beds using Particle Tracking Velocimetry. Journal of Hydraulic Engineering, ASCE, 140(7), 04014027. https://doi.org/10.1061/(ASCE)HY.1943-7900.0000850
(j5) Bertin, S. and Friedrich, H. (2014). Measurement of gravel-bed topography: an evaluation study applying statistical roughness analysis. Journal of Hydraulic Engineering, ASCE, 140(3), 269–279. https://doi.org/10.1061/(ASCE)HY.1943-7900.0000823
(j4) Guan, D., Melville, B. and Friedrich, H. (2014). Flow patterns and turbulence structures in a scour hole downstream of a submerged weir. Journal of Hydraulic Engineering, ASCE, 140(1), 68-76. https://doi.org/10.1061/(ASCE)HY.1943-7900.0000803
(j3) Robinson, K., Friedrich, H., Kirkpatrick, R., Nicholas, C. and Rowe, G. (2013). A Template for Change? Derisking the transition to CDIO. Australasian Journal of Engineering Education, 19(1), 39-49. https://doi.org/10.7158/22054952.2013.11464081
(j2) Coleman, S.E., Nikora, V.I., Melville, B.W., Goring, D.G., Clunie T.M. and Friedrich, H. (2008). SWAT.nz: New-Zealand-based Sand Waves and Turbulence Experimental Programme. Acta Geophysica, 56(2), 417-439. https://doi.org/10.2478/s11600-007-0046-y
(j1) Clunie, T.M., Nikora, V.I., Coleman, S.E., Friedrich, H. and Melville, B.W. (2007). Flow measurement using flying ADV probes. Journal of Hydraulic Engineering, 133(12), 1345-1355. https://doi.org/10.1061/(ASCE)0733-9429(2007)133:12(1345)
Full peer-reviewed and refereed conference articles in proceedings:
(c64) Terwisscha van Scheltinga, R.C, Coco, G. and Friedrich, H. (2020). Particle motion and sediment transport over bedforms. Proc. River Flow 2020, Delft, The Netherlands, 7-10 July, 6 pages. https://doi.org/10.1201/b22619-33
(c63) Magaju, D., Montgomery, J., Franklin, P., Baker, C. and Friedrich, H. (2020). Characterizing low velocity zones around a spoiler baffle for improving fish passage performance. Proc. River Flow 2020, Delft, The Netherlands, 7-10 July, 6 pages. https://doi.org/10.1201/b22619-258
(c62) Ravazzolo, D., Spreitzer, G., Tunnicliffe, J. and Friedrich, H. (2020). Flume experiments on the geomorphic effects of large wood in gravel-bed rivers. Proc. River Flow 2020, Delft, The Netherlands, 7-10 July, 7 pages. https://doi.org/10.1201/b22619-225
(c61) Knapp, M., Montgomery, J., Franklin, P., Baker, C. and Friedrich, H. (2020). Remediation design to improve culvert passage for small-bodied fish. Proc. River Flow 2020, Delft, The Netherlands, 7-10 July, 5 pages. https://doi.org/10.1201/b22619-257
(c60) Knapp, M., Montgomery, J., Franklin, P., Baker, C. and Friedrich, H. (2019). Fish passage hydrodynamics: Validation of an at-scale experimental facility for ethohydraulic studies of small-bodied fish in culverts. Proc. 38th IAHR Congress, Panama City, Panama. September 1-6, 2019, 8 pages. https://doi.org/10.3850/38WC092019-1517
(c59) Spreitzer, G., Tunnicliffe, J. and Friedrich, H. (2019). Using smart sensors for measuring impact forces of large wood (LW). Proc. 38th IAHR Congress, Panama City, Panama. September 1-6, 2019, 8 pages. https://doi.org/10.3850/38WC092019-1551
(c58) Pelmard, J., Norris, S. and Friedrich, H. (2018). Statistical assessment of turbulence homogeneity for the head of gravity currents. Proc. 21st AFMC, Adelaide, Australia, 10-13 December, 2018, 4 pages.
(c57) Pelmard, J., Friedrich, H. and Norris, S. (2018). LES mesh resolution requirements for particle-driven gravity currents. Proc. River Flow 2018, Lyon, France, 5-8 September, 2018, 8 pages. https://doi.org/10.1051/e3sconf/20184005028
(c56) Spreitzer, G., Friedrich, H. and Tunnicliffe, J. (2018). Effects of large woody debris accumulations on channel hydraulics during flood events. Proc. River Flow 2018, Lyon, France, 5-8 September, 2018, 8 pages. https://doi.org/10.1051/e3sconf/20184002024
(c55) Terwisscha van Scheltinga, R.C, Friedrich, H. and Coco, G. (2018). A PIV-based method to measure spatial gradients in bedload transport over a dune. Proc. River Flow 2018, Lyon, France, 5-8 September, 2018, 8 pages. https://doi.org/10.1051/e3sconf/20184004012
(c54) Bertin, S., Groom, J. and Friedrich, H. (2018). Grain and bedform roughness properties isolated from gravel patch DEMs. Proc. River Flow 2018, Lyon, France, 5-8 September, 2018, 8 pages. https://doi.org/10.1051/e3sconf/20184004005
(c53) Wilson, R.I., Friedrich, H. and Stevens, C. (2018). Using Novel Photometric Techniques for Investigation of Ecohydraulic Sedimentation Processes: Turbidity Currents. Proc. 12th ISE 2018, Tokyo, Japan, 19-24 August, 2018, 4 pages.
(c52) Spreitzer, G., Tunnicliffe, J. and Friedrich, H. (2018). Application of Structure from Motion for Large Woody Debris Research. Proc. 12th ISE 2018, Tokyo, Japan, 19-24 August, 2018, 4 pages.
(c51) Anderson, A., Azhar, M., Cooper, J., James, J., Debes, J., Azhar, D., Vandermark, W., Leung, K.-C., Yang, K., Hilman, J., Schenone, S., Gastelum Strozzi, A., Gee, T., Friedrich, H., Thrush, S. and Delmas, P. (2017). A multi-scale framework for the automated surveying of the Whangateau estuary using off-the-shelf equipment. Proc. 32nd International Conference Image and Vision Computing New Zealand, Christchurch, New Zealand, December 4-6, 2017, 6 pages https://doi.org/10.1109/IVCNZ.2017.8402506
(c50) Gee, T., Li, W., Delmas, P., Friedrich, H. and Gimelfarb, G. (2017). Distortion Estimation to Improve Tsai Calibration for Cameras with Large Optical Distortion. Proc. 32nd International Conference Image and Vision Computing New Zealand, Christchurch, New Zealand, December 4-6, 2017, 6 pages https://doi.org/10.1109/IVCNZ.2017.8402507
(c49) Lam, E., Yang, Y., Melville, B.W., Friedrich, H. and Whitaker, C. (2017). Physical modelling of scour at bridges with composite piers and headstock supporting structures. Proc. Hydraulics in Water Engineering (HIWE 2017), Sydney, Australia, November 14-16, 2017, 8 pages.
(c48) Bertin, S., and Friedrich, H. (2017). Formative parameters for stable armor development. Proc. 37th IAHR Congress, Kuala Lumpur, Malaysia. August 13-18, 2017, 9 pages.
(c47) Groom, J., Bertin, S., and Friedrich, H. (2017). The use and parameterisation of the term ‘roughness’ in fluvial environments. Proc. 37th IAHR Congress, Kuala Lumpur, Malaysia. August 13-18, 2017, 10 pages.
(c46) Yang, Y., Melville, B.W., Shamseldin, A.Y. and Friedrich, H. (2017). Effect of skewness on clear-water local scour at complex bridge piers. Proc. 37th IAHR Congress, Kuala Lumpur, Malaysia. August 13-18, 2017, 9 pages.
(c45) Li, W., Gee, T., Delmas, P. and Friedrich, H. (2016). Evaluating using GoPro cameras and Tsai’s calibration for video-based submerged river-bed reconstruction. Proc. 31st International Conference Image and Vision Computing New Zealand, Palmerston North, New Zealand, November 21-22, 2016, 6 pages https://doi.org/10.1109/IVCNZ.2016.7804465
(c44) Wang, L., Melville, B.W. and Friedrich, H. (2016). The influence of upstream weir slope on live-bed scour at submerged weir. Proc. ICSE 2016, Oxford, UK. 12-15 September, 2016, 6 pages https://doi.org/10.1201/9781315375045-116
(c43) Wilson, R.I., Friedrich, H. and Stevens, C. (2016). Photometric velocity tracking tool for laboratory generated turbidity currents. Proc. River Flow2016, St Louis, USA. July, 2016, 6 pages https://doi.org/10.1201/9781315644479-137
(c42) Wilson, R.I., Friedrich, H. and Stevens, C. (2016). Combining photometry and wavelet analysis for research into turbidity currents. Proc. 11th ISE 2016, Melbourne, Australia. February 8-12, 2016, 4 pages.
(c41) Bertin, S., Friedrich, H. and Delmas, P. (2016). Advances in microtopography measurement of gravel bed surface structure in the field. Proc. 11th ISE 2016, Melbourne, Australia. February 8-12, 2016, 4 pages.
(c40) Li, W., Gee, T., Friedrich, H. and Delmas, P. (2015). Tsai’s calibration applied for close-range hydraulic engineering research. Proc. 30th International Conference Image and Vision Computing New Zealand, Auckland, New Zealand, November 19-21, 2015, 6 pages https://doi.org/10.1109/IVCNZ.2015.7761531
(c39) Gee, T., Delmas, P., Van Der Mark, W., Stones-Havas, N., Sinclair, C., Li, W., Friedrich, H., Gimel’farb, G. (2015). Tsai Camera Calibration Enhanced. Proc. 14th IAPR Conference on Machine Vision Applications, Tokyo, Japan, May 18-22, 2015, 4 pages https://doi.org/10.1109/MVA.2015.7153104
(c38) Xiong, X., Melville, B.W. and Friedrich, H. (2015). Total scour at spill-through abutments under free surface and overtopping flow conditions. Proc. 36th IAHR Congress, The Hague, The Netherlands. June 28 – July 3, 2015, 7 pages.
(c37) Wilson, R.I., Friedrich, H. and Stevens, C. (2015). The interaction of gravity currents with an obstacle over rough substrates. Proc. 36th IAHR Congress, The Hague, The Netherlands. June 28 – July 3, 2015, 9 pages.
(c36) Li, W., Gee, T., Friedrich, H. and Delmas, P. (2014). A practical comparison between Zhang’s and Tsai’s calibration approaches. Proc. 29th International Conference Image and Vision Computing New Zealand, Hamilton, New Zealand, November 19 – 21, 2014, 6 pages https://doi.org/10.1145/2683405.2683443
(c35) Wilson, R.I. and Friedrich, H. (2014). Dynamic analysis of the interaction between unconfined turbidity currents and obstacles. Proc. 9th International Symposium on Ultrasonic Doppler Methods for Fluid Mechanics and Fluid Engineering (ISUD-9), Strasbourg, France, 4 pages.
(c34) Spiller, S.M., Ruther, N. and Friedrich, H. (2014). Mitigation measures for unsteady flow effects on riverbeds during hydropower peaking. Proc. River Flow2014, Lausanne, Switzerland, 6 pages https://doi.org/10.1201/b17133
(c33) McArthur, J.M., Wilson, R.I. and Friedrich, H. (2014). Photometric analysis of the effect of substrates and obstacles on unconfined turbidity current flow propagation. Proc. River Flow2014, Lausanne, Switzerland, 7 pages https://doi.org/10.1201/b17397-26
(c32) Guan, D., Melville, B.W. and Friedrich, H. (2014). A preliminary study on scour at submerged weirs in live bed conditions. Proc. River Flow2014, Lausanne, Switzerland, 6 pages https://doi.org/10.1201/b17133
(c31) Bertin, S., Friedrich, H., Delmas, P., Chan, E. and Gimel’farb, G. (2014). DEM evaluation with a 3D printed gravel bed. Proc. River Flow2014, Lausanne, Switzerland, 8 pages https://doi.org/10.1201/b17133
(c30) Friedrich, H., Spiller, S.M. and Ruther, N. (2014). Near-bed flow over a fixed gravel bed. Proc. River Flow2014, Lausanne, Switzerland, 7 pages https://doi.org/10.1201/b17133
(c29) Levy, B., Friedrich, H., Denier, J., Cater, J. and Clarke, R. (2014). Impact of mesh/twine ratio on the wake of simplified oceanic aquaculture pen. Proc. 10th ISE 2014, Trondheim, Norway, 4 pages.
(c28) Spiller, S.M., Ruther, N., Casas-Mulet, R. and Friedrich, H. (2014). Pore water exchange in gravel bed rivers during hydropower peaking events. Proc. 10th ISE 2014, Trondheim, Norway, 3 pages.
(c27) Bertin, S., Friedrich, H., Delmas, P. and Chan, E. (2013). The Use of Close-Range Digital Stereo-Photogrammetry to Measure Gravel-Bed Topography in a Laboratory Environment. Proc. 35th IAHR Congress, Chengdu, China, September 8-13, 2013, 12 pages.
(c26) Chaloner Warman, J. and Friedrich, H. (2013). Armour layer formation and break-up: an investigation into the effectiveness of beach raking. Proc. 35th IAHR Congress, Chengdu, China, September 8-13, 2013, 10 pages.
(c25) Xiong, X., Melville, B.W. and Friedrich, H. (2013). Effects of contraction length on abutment scour. Proc. 35th IAHR Congress, Chengdu, China, September 8-13, 2013, 10 pages.
(c24) Guan, D., Melville, B.W. and Friedrich, H. (2013). Bed load influence on scour at submerged weirs. Proc. 35th IAHR Congress, Chengdu, China, September 8-13, 2013, 9 pages.
(c23) Friedrich, H. and Melville, B.W. (2013). Discussion on bedform data recording, post processing and analytical suitability. Proc. 12th International Symposium on River Sedimentation (ISRS2013), Kyoto, Japan, September 2-5, 2013, 7 pages.
(c22) Bertin, S., Friedrich, H., Delmas, P. and Chan, E. (2012). The development and internal assessment of a high-resolution, nonproprietary, stereo-photogrammetric setup for hydraulic experiments. Proc. 27th International Conference Image and Vision Computing New Zealand, Dunedin, New Zealand, November 26 – 28, 2012, 6 pages https://doi.org/10.1145/2425836.2425933
(c21) Chan, E., Delmas, P., Nguyen, M., Gastelum, A., Yang, R., Liu, N., Gimel’Farb, G., Bertin, S. and Friedrich, H. (2012). On Location Experiments on River Bed Stereophotogrammetry. Proc. 27th International Conference Image and Vision Computing New Zealand, Dunedin, New Zealand, November 26 – 28, 2012, 6 pages.
(c20) Bertin, S., Friedrich, H., and Heays, K. (2011). Evaluating the use of stereo-photogrammetry for gravel-bed roughness analysis. Proc. 26th International Conference Image and Vision Computing New Zealand. Auckland, New Zealand, 29 November – 1 December, 41-47, 6 pages https://doi.org/10.1145/2425836.2425915
(c19) Heays, K. G., Friedrich, H., and Melville, B. W. (2011). In-depth Observations on the Formation and Disintegration of a Cluster Microform. Proc. XXXIIII IAHR Congress, Brisbane, Australia, 26 June – 1 July, (ISBN 978-0-85825-868-6), 3489-3496, 8 pages.
(c18) Heays, K. G., Friedrich, H., and Melville, B. W. (2010a). Advanced Particle Tracking for Sediment Movement on River Beds: A Laboratory Study. Proc. 17th Australasian Fluid Mechanics Conference, Auckland, New Zealand, 5-9 December, (ISBN 978-0-86869-129-9), 4 pages.
(c17) Sangster, T. W. H., Friedrich, H., and Strachan, L. J. (2010). Evolution of unconfined turbidity current deposits: an experimental study. Proc. 17th Australasian Fluid Mechanics Conference, Auckland, New Zealand, 6-9 December, (ISBN 978-0-86869-129-9), 4 pages.
(c16) Heays, K., Friedrich, H., and Melville, B. W. (2010). Change of particle size distribution during cluster evolution. Proc. 17th IAHR-APD Congress, Auckland, New Zealand, 21 – 24 February, (ISBN 0-86869-125-9), 8 pages.
(c15) Heays, K., Friedrich, H., and Melville, B. W. (2010). Re-evaluation of image analysis for sedimentary processes research. Proc. 17th IAHR-APD Congress, Auckland, New Zealand, 21 – 24 February, (ISBN 0-86869-125-9), 10 pages.
(c14) Jones, A., Kelly, L., Friedrich, H., and Melville, B. W. (2010). Physical hydraulic model study of sewage overflow mitigation, Auckland, New Zealand. Proc. 17th IAHR-APD Congress, Auckland, New Zealand, 21 – 24 February, (ISBN 0-86869-125-9), 8 pages.
(c13) Khan, S., Melville, B. W., Nokes, R., Shamseldin, A. Y., and Friedrich, H. (2010). Numerical investigation of the Reynolds Number dependence of the flow within model ponds at different geometric scale ratios. Proc. 17th IAHR-APD Congress, Auckland, New Zealand, 21 – 24 February, (ISBN 0-86869-125-9), 9 pages.
(c12) Liang, Y., Friedrich, H., Shamseldin, A. Y., and Hellberg, B. (2010). Impact of catchment size for stormwater modelling in the Auckland Region. Proc. 17th IAHR-APD Congress, Auckland, New Zealand, 21 – 24 February, (ISBN 0-86869-125-9), 9 pages.
(c11) Friedrich, H. (2008). Statistical Analysis of Bedforms Developed under Unidirectional Flow. Proc. 16th IAHR-APD Congress and 3rd Symposium of IAHR-ISHS, III, Nanjing, China, 20-23 October, 838-842, 6 pages https://doi.org/10.1007/978-3-540-89465-0_147
(c10) Friedrich, H. and Melville, B. W. (2008). Topography Changes during Bedform Development. Proc. 8th International Conference on Hydro-Science and Engineering (ICHE-2008), Nagoya, Japan, September 8-12, 10 pages.
(c9) Friedrich, H. and Melville, B. W. (2008). Pattern Observation During Bedform Development. Proc. World Environmental and Water Resources Congress 2008 Ahupua’a, R.W. Badcock jr and R. Walton Eds.(ed.), Honolulu, Hawaii, USA, 12-16 May, 10 pages https://doi.org/10.1061/40976(316)355
(c8) Friedrich, H., Gasset, R. and Melville, B.W. (2008). Model Experiments: Influence of Floods on Sediment Deposits in Rivers equipped with Groynes. Proc. 4th International Conference on Fluvial Hydraulics (River Flow 2008), Izmir, Turkey, 3-5 September, 1601-1609, 8 pages.
(c7) Friedrich, H., Paarlberg, A.J. and Lansink, J. (2007). Evaluation of statistical properties of dune profiles, Proc. 5th IAHR Symposium on River, Coastal and Estuarine Morphodynamics (RCEM 2007). Twente, The Netherlands, 1-10, 17-21 September, 913-921, 8 pages https://www.taylorfrancis.com/books/e/9781439856567/chapters/10.1201%2FNOE0415453639-138
(c6) Friedrich, H., Melville, B.W., Nikora, V.I. and Coleman, S.E. (2007). Flume Influence on Developing Dune Beds. Proc. XXXII IAHR Congress, Venice, Italy, 1-10, 2-6 July, 10 pages.
(c5) Friedrich, H., Nikora, V.I., Melville, B.W. and Coleman, S.E. (2006). Statistical Interpretation of Geometric Differences in Ripple and Dune Shapes for Developing Beds. Proc. 7th International Conference on Hydroscience and Engineering (ICHE-2006), ISBN: 0977447405, Philadelphia, USA, 10-13 September, 14 pages.
(c4) Friedrich, H., Melville, B.W., Coleman, S.E., Clunie T.M., Nikora, V.I. and Goring, D.G. (2006). Three-dimensional properties of laboratory sand waves obtained from two-dimensional autocorrelation analyses. Proc. 3rd International Conference on Fluvial Hydraulics (River Flow 2006), Lisbon, Portugal, 1013-1022, 6-8 September, 9 pages https://doi.org/10.1201/9781439833865
(c3) Friedrich, H., Melville, B.W., Coleman, S.E., Nikora, V.I. and Clunie T.M. (2005). Three-dimensional measurement of laboratory submerged bed forms using moving probes. Proc. XXXI IAHR Congress, Seoul, Korea, 396-404, 11-16 September, 9 pages.
(c2) Clunie T.M., Coleman, S.E., Melville, B.W., Friedrich, H., Zhang and Nikora, V.I. (2004). Temporal development of sediment wave magnitudes. Proc. 5th International Symposium on Ecohydraulics, Madrid, Spain, 851-856, 12-17 September, 4 pages.
(c1) Friedrich, H., Coleman, S.E., Melville, B.W. and Clunie T.M. (2004). Development of discrete subaqueous bed forms. Proc. 2nd International Conference on Fluvial Hydraulics (River Flow 2004), Naples, Italy, 761-768, 23-25 June, 8 pages. https://www.taylorfrancis.com/books/e/9781482298345/chapters/10.1201%2Fb16998-97
