Peer-reviewed journals
- Skrede, TI., Tørudstad, V., Pons, V-MT., Alfredsen, KT., Muthanna, TM. (2023) From flood paths to floodways, an efficient method to map, identify and evaluate suitable floodways: A case study from Trondheim, Norway. Journal of Environmental Management, vol 346
- Kenawi, MSR., Alfredsen, KT., Sturzer, LS. Sandercock, BK., Bakken, TH. (2023) High-resolution mapping of land use changes in Norwegian hydropower systems. Renewable and Sustainable Energy Reviews, vol 188
- Bosco, C., Abdalla, EMH., Muthanna, TM., Alfredsen, KT., Rasten, B., Kjennbakken, H. (2023) Evaluating the stormwater management model for hydrological simulation of infiltration swales in cold climates. Blue-Green Systems (bgs2023044)
- Godara, N., Bruland, O., Alfredsen, KT. (2023) Modelling Flash Floods Driven by Rain-on-Snow Events Using Rain-on-Grid Technique in the Hydrodynamic Model TELEMAC-2D. Water
- ødtang, EA., Alfredsen, KT., Høyland, V. (2023) Estimating ice forces on a bridge pier using field observations and a deformation model. Canadian Journal of Civil Engineering (accepted)
- Rødtang, EA., John, J., Alfredsen, KT., Høyland, V. (2023) In-situ ice strength distribution of anchor ice dams. Cold Regions Science and Technology. volum 215
- Alfredsen, KT., Stickler, M., Alne, IS., Brekke, I., Skeie, L., Adeva Bustos, A., Juarez Gomez, A., Sundt, H., Awadallah, MOM., Dønnum, BO. (2023) Erfaringar med bruk av batymetrisk LiDAR for modellering av vassdrag. Vann. volum 57 (04/2022).
- Godara, N., Bruland, O., Alfredsen, KT. (2023) Simulation of flash flood peaks in a small and steep catchment using rain-on-grid technique. Journal of Flood Risk Management.
- Hailemariam, SF., Alfredsen, KT. (2023) Quantitative Flood Risk Assessment in Drammenselva River, Norway. Water. volum 15 (5).
- Halleraker, JH., Natvik, EV., Vaskinn, KA., L«AbŽe-Lund, JH., Alfredsen, KT. (2023) By-pass valves in hydropower plants: An ecologically important measure to mitigate stranding in rivers due to emergency turbine flow shutdown. Rivers Research and Applications: an international journal devoted to river research and management. volum 39 (3).
- Hedger, RD., Sundt-Hansen, LineEB., Juarez-Gomez, A., Alfredsen, KT., Foldvik, A. (2023) Exploring sensitivities to hydropeaking in Atlantic salmon parr using individual-based modelling. Ecohydrology.
- Rødtang, EA., Alfredsen, KT, Høyland, KV, Lia, L (2023) Review of river ice force calculation methods. Cold Regions Science and Technology. volum 209.
- Pons, VJ-MT., Abdalla, EMH., Tscheikner-Gratl, F, Alfredsen, KT., Sivertsen, E., Bertrand-Krajewski, J-Luc., Muthanna, TM. (2023) Practice makes the model: a critical review of stormwater green infrastructure modelling practice. Water Research.
- Awadallah, MOM., Malmquist, C., Stickler, M., Alfredsen, K. (2023) Quantitative Evaluation of Bathymetric LiDAR Sensors and Acquisition Approaches in L¾rdal River in Norway. Remote Sensing. v.15 (1)
- Hassan Abdalla, EM., Muthanna, TM., Alfredsen, K., Sivertsen, E. (2022) Towards improving the hydrologic design of permeable pavements. Blue-Green Systems v. 4(2)
- Hassan Abdalla, EM., Alfredsen, K., Muthanna, TM. (2022) On the use of multi-objective optimization for multi-site calibration of extensive green roofs. Journal of Environmental Management. v.326
- Alfredsen, K., Juarez Gomez, A., Kenawi, MS., Graf, MS., Saha, SK. (2022) Mitigation of environmental effects of frequent flow ramping scenarios in a regulated river. Frontiers in Environmental Science. v.10
- Alfredsen, K., Helland, IP., Martins, EG., Power, M. (2022) Perspectives on the environmental implications of sustainable hydro-power: comparing countries, problems and approaches. Hydrobiologia. v. 849
- Marttila, H., Laudon, H., Tallaksen, LM., Jaramillo, F., Alfredsen, K., Ronkanen, A-K., Kronvang, B.; Lotsari, E., Kämäri, M; Ala-Aho, P., Nousu, J; Silander, J; Koivusalu, H; Kløve, B. (2022) Nordic hydrological frontier in the 21st century. Hydrology Research. vol. 53 (5).
- Le Floch, NGY., Pons, V., Hassan Abdalla, EM., Alfredsen, K. (2022) Catchment scale effects of low impact development implementation scenarios at different urbanization densities. Journal of Hydrology. vol. 612 (B)
- Halleraker,JH., Kenawi, MS., L'Abbe-Lund, JH., Bakken, TH., Alfredsen, K. (2022) Assessment of flow ramping in water bodies impacted by hydropower operation in Norway – Is hydropower with environmental restrictions more sustainable?. Science of the Total Environment. vol. 832.
- Awadallah, MOM., Juarez Gomez, A., Alfredsen, K. (2022) Comparison between Topographic and Bathymetric LiDAR Terrain Models in Flood Inundation Estimations. Remote Sensing. vol. 14 (1).
- Hassan Abdalla, EM., Alfredsen, ., Muthanna, TM. (2022) Towards improving the calibration practice of conceptual hydrological models of extensive green roofs. Journal of Hydrology. vol. 607.
- Bakken, TH., Harby, A., Forseth, T., Ugedal, O., Sauterleute, JF., Halleraker, JH, Alfredsen, K. (2021) Classification of hydropeaking impacts on Atlantic salmon populations in regulated rivers. Rivers Research and Applications
- Rødtang, EA., Alfredsen, K., Juarez, A. (2021) Drone surveying of volumetric ice growth in a steep river. Frontiers in Remote Sensing. vol. 2.
- Alfredsen, K.,DalsgÅrd, A., Shamsaliei, S., Halleraker, JH., Gundersen, OE. (2021) Towards an automatic characterization of riverscape development by deep learning. River Research and Applications.
- Alfredsen, K., Amundsen, P-A., Hahn, L., Harrison, PM., Helland, IP., Martins, EG., Twardek, WM., Power, M. (2021) A synoptic history of the development, production and environmental oversight of hydropower in Brazil, Canada, and Norway. Hydrobiologia.
- Hassan Abdalla, EM., Selseth, I., Muthanna, TM., Helness, H., Alfredsen, K., Gaarden, T., Sivertsen, E. (2021) Hydrological performance of lined permeable pavements in Norway. Blue-Green Systems. vol. 3 (1).
- Hassan Abdalla, EM., Pons, V., Stovin, V., De-Ville, S., Fassman-Beck, E., Alfredsen, K., Muthanna, TM. (2021) Evaluating different machine learning methods to simulate runoff from extensive green roofs. Hydrology and Earth System Sciences. vol. 25 (11).
- Sundt, H., Alfredsen, K., Harby, A. (2021) Regionalized linear models for river depth retrieval using 3-band multispectral imagery and green lidar data. Remote Sensing. vol. 13 (19).
- Alfredsen, K.; Urke, HA.; Kristensen, T.; Kvakland, M.; Grønningsæter, Å.; Hagen, AG.; Alfredsen, JA. (2021) An acoustic sensor transmitter for in situ assessment of water quality and fish behaviour during chemical treatment of a parasite-infected river system: tag design and practical use. Animal Biotelemetry. vol. 9 (7)
- Heggenes, J.; Stickler, M.; Alfredsen, K.; Brittain, JE.; Adeva Bustos, A.; Huusko, A. (2021) Hydropower-driven thermal changes, biological responses and mitigating measures in northern river systems. Rivers Research and Applications: an international journal devoted to river research and management. vol. 37 (5)
- Juarez, A.; Alfredsen, K.; Stickler, M.; Adeva Bustos, A.; Suarez, R.; Seguin García, S.; Hansen, BKT. (2021) A conflict between traditional flood measures and maintaining river ecosystems? A case study based upon the river Lærdal, Norway. Water. vol. 13 (14)
- Killingtveit, Å.; Alfredsen, K.; Rinde, T.; Østhus, N.; Røhr, PC. (2021) Flood-forecasting and flood management for the Skienselva river system in Norway. International journal on hydropower and dams**. vol. 28 (2)
- Sundt, H.; Alfredsen, K.; Museth, J.; Forseth, T. (2021) Combining green LiDAR bathymetry, aerial images and telemetry data to derive mesoscale habitat characteristics for European grayling and brown trout in a Norwegian river. Hydrobiologia
- Szabo-Meszaros, M.; Silva, AT.; Bærum, KM.; Baktoft, H.; Alfredsen, K.; Hedger, RD.; Økland, F.; Gjelland, Karl Ø.; Fjeldstad, H-P; Calles, O.; Forseth, T. (2021) Validation of a Swimming Direction Model for the Downstream Migration of Atlantic Salmon Smolts. Water. vol. 13 (9)
- Baktoft, H., Gjelland, KØ., Szabo-Meszaros, M., Silva, AT., Riha, M., Økland, F., Alfredsen, K., Forseth, T. (2020) Can Energy Depletion of Wild Atlantic Salmon Kelts Negotiating Hydropower Facilities Lead to Reduced Survival?. Sustainability. vol. 12 (18)
- Hernes, RR., Gragne, AS., Hassan Abdalla, EM., Braskerud, BC., Alfredsen, K., Muthanna, TM. (2020) Assessing the effects of four SUDS scenarios on combined sewer overflows in Oslo, Norway: evaluating the low-impact development module of the mike urban model. Hydrology Research (accepted)
- Engeland, K., Alfredsen, K. (2020) Hydrology and water resources management in a changing world. Hydrology Research. vol. 51 (2).
- Skrede, TI., Muthanna, TM., Alfredsen, K. Applicability of urban streets as temporary open floodways. Hydrology Research vol.51(4)
- Sivasubramaniam, K. Alfredsen, K., Rinde, R., Sæther, B. Can model-based data products replace gauge data as input to hydrological model? Hydrology Research (accepted)
- Barton, DN., Sundt, H., Adeva Bustos, A., Fjeldstad, H-P., Hedger, RD., Forseth, T., Köhler, B., Aas, Ø., Alfredsen, K., Madsen, AL. (2020) Multi-criteria decision analysis in Bayesian networks - diagnosing ecosystem service trade-offs in a hydropower regulated river. Environmental Modelling & Software 124. 104604
- Parasiewicz, P., Prus, P., Theodoropoulos, C., Alfredsen, K., Adamczyk, M., Comoglio, C., Vezza, P. (2019) Environmental Flows Determination and Monitoring with Hydraulic Habitat Models-Pushing the Boundaries of Habitat Models Application. Water 11(9) 1950
- Tsegaw, AT., Skaugen, T., Alfredsen, K., Muthanna, TM. (2019) A dynamic river network method for the prediction of floods using a parsimonious rainfall-runoff model. Hydrology Research. (in press)
- Adeva Bustos, A., Hedger, RD., Fjeldstad, H-P., Stickler, M., Alfredsen, K. (2019) Identification of salmon population bottlenecks from low flows in a hydro-regulated river. Environmental Modelling & Software vol 120,104494
- Szabo-Meszaros, M., Forseth, T., Baktoft, H., Fjeldstad, H-P., Silva, AT., Gjelland, KØ.,Økland, F., Uglem, I., Alfredsen, K. (2019) Modelling mitigation measures for smolt migration at dammed river sections. Ecohydrology (accepted)
- Sivasubramaniam, K., Sharma, A., Alfredsen, K. (2019). Merging Radar and Gauge information within a Dynamical Model combination framework for precipitation estimation in cold climates. Environmental Modelling and Software, 119:99-110
- Tsegaw, AT, Alfredsen, K., Skaugen, T., Muthanna, T.(2019). Predicting hourly flows at ungauged small rural catchments using a parsimonious hydrological model. Journal of Hydrology, vol 573:855-871
- Adeva Bustos, A., Alfredsen, K., Fjeldstad, H.-P., Ottoson, K. (2019). Ecohydraulic Modelling to Support Fish Habitat Restoration Measures. Sustainability, 11(5), 1500
- Adera, A.G., Alfredsen, K. (2019) Climate Change and Hydrological Analysis of Tekeze River Basin Ethiopia: Implication for potential hydropower production Journal of Water and Climate Change (accepted)
- Juarez, A., Adeva Bustos, A., Alfredsen, K., Dønnum, B.O. (2019) Performance of A Two-Dimensional Hydraulic Model for the Evaluation of Stranding Areas and Characterization of Rapid Fluctuations in Hydropeaking Rivers. Water. vol.11
- Sivasubramaniam, K., Sharma, A., Alfredsen, K. (2018) Estimating Radar Precipitation in Cold Climates: The role of Air Temperature within a Nonparametric Framework. Hydrology and Earth System Sciences, vol.22
- Ashraf, F., Haghighi, A.T., R, J., Alfredsen, K., Koskela, J., Kløve, B.m, Marttila, H. (2018) Changes in short term river flow regulation and hydropeaking in Nordic rivers. Scientific Reports. vol. 8:17232
- Sundt-Hansen, L.E., Hedger, R.D. Ugedal,O., Diserud O.H., Finstad,A., Sauterleute J.F., Tøfte, L., Alfredsen,K., Forseth, T. (2018) MODELLING CLIMATE CHANGE EFFECTS ON ATLANTIC SALMON: IMPLICATIONS FOR MITIGATION IN REGULATED RIVERS. Science of the Total Environment (accepted)
- Szabo-Meszaros, M., Navaratnam, C.U., Aberle, J., Silva, A. T.; Forseth, T., Calles, O., Fjeldstad, H-P., Alfredsen, K. (2018) Experimental hydraulics on fish-friendly trash-racks: an ecological approach. Ecological Engineering: The Journal of Ecotechnology. vol. 113:11-20
- Hailegeorgis, T.T., Alfredsen, K. (2018) High spatial-temporal resolution and integrated surface and subsurface Precipitation-Runoff modelling for a small stormwater catchment. Journal of Hydrology. vol. 557:613-630.
- Alfredsen, K., Haas, C., Tuthan, J., Zinke, P. (2018) Brief Communication: Mapping river ice using drones and structure from motion. The Cryosphere. vol. 12:627-633
- Kristvik, E., Muthanna, T., Alfredsen, K. (2018) Assessment of future water availability under climate change, considering scenarios for population growth and ageing infrastructure. Journal of Water and Climate Change (accepted).
- Heggenes, J., Alfredsen, K., Adeva Bustos, A., Huusko, A., Stickler, M. (2017) Be cool: A review of hydro-physical changes and fish responses in winter in hydropower-regulated northern streams. Environmental Biology of Fishes.
- Alfredsen, K. (2017) An Assessment of Ice Effects on Indices for Hydrological Alteration in Flow Regimes. Water, vol. 9.
- Adeva Bustos, A., Hedger, R., Fjeldstad, H-P., Alfredsen, K., Sundt, H., Barton, DN. (2017) Modeling the effects of alternative mitigation measures on Atlantic salmon production in a regulated river. Water Resources and Economics vol 17 pp 32-41.
- Bakken, TH., Killingtveit, Å., Alfredsen, K. (2017) The Water Footprint of Hydropower ProductionÑState of the Art and Methodological Challenges. Global Challenges vol 1(5).
- Hailegeorgis, TT., Alfredsen, KT. (2017) Regional flood frequency analysis and prediction in ungauged catchments including estimation of major uncertainties for mid-Norway. Journal of Hydrology:Regional Studies, vol.9
- Hailegeorgis, TT., Alfredsen, KT. (2017) Analyses of extreme precipitation and runoff events including uncertainties and reliability in design and management of urban water infrastructure. Journal of Hydrology vol.544:290-305
- Casas-Mulet, Roser; Alfredsen, Knut; McCluskey, Alexander H.; Stewardson, M. (2017) Key hydraulic drivers and patterns of fine sediment accumulation in gravel streambeds: A conceptual framework illustrated with a case study from the Kiewa River, Australia. Geomorphology Vol 299 pp 152-164
- Casas-Mulet, R., Saltveit, SJ., Alfredsen, K. (2016) Hydrological and thermal effects of hydropeaking on early life stages of salmonids: A modelling approach for implementing mitigation strategies. Science of the Total Environment vol.573:1660-1672.
- Lind, Lovisa, Alfredsen, Knut, Kuglerova,Lenka, Nilsson, Christer. (2016) "Hydrological and thermal controls of ice formation in 25 boreal stream reaches". Journal of Hydrology. Vol 540:797-811
- Bakken, Tor Haakon; King, Tyler; Alfredsen, Knut. (2016) "Simulation of river water temperatures during various hydro-peaking regimes." Journal of Applied Water Engineering and Research vol. 4(1)
- Kasurinen, Ville; Alfredsen, Knut; Ojala, A; Pumpanen, J; Weyhenmeyer, Gesa A; Futter, Martyn N.; Laudon, Hjalmar; Berninger, Frank. (2016) "Modeling nonlinear responses of DOC transport in boreal catchments in Sweden." Water Resources Research Vol 52(7):4970Ð4989
- Hailegeorgis, Teklu Tesfaye; Alfredsen, Knut; Abdella, Yisak Sultan; Kolberg, Sjur. (2016) "Evaluation of storageÐdischarge relationships and recession analysis-based distributed hourly runoff simulation in large-scale, mountainous and snow- influenced catchment." Hydrological Sciences Journal.
- Bakken, Tor Haakon; Almestad, C; Rugelbak, JM; Escobar, M; Micko, S; Alfredsen, Knut. (2016) "Climate Change and Increased Irrigation Demands: What Is Left for Hydropower Generation? Results from Two Semi-Arid Basins." Energies. vol. 9 (3)
- Weber, C., H. Scheuber, C. Nilsson and K. Alfredsen "Detection and apparent survival of PIT-tagged stream fish in winter" (2016) Ecology and Evolution vol 6(8)
- Hailegeorgis, T. and Alfredsen, K. "Regional Statistical And Precipitation-Runoff Modelling For Ecological Applications: Prediction Of Hourly Streamflow In Regulated Rivers And Ungauged Basins". River Research and Applications (Accepted)
- Timalsina, NP. Beckers, F.and Alfredsen, K. (2016) "Modelling winter operational strategies of a hydropower system." Cold Regions Science and Technology. 122:1-9.
- Casas-Mulet, R., Alfredsen, K., Saltveit, SJ. and Brabrand, Å. (2016) "Hydropower operations in groundwater-influenced rivers: implications for Atlantic salmon (Salmo salar) early-life stages development and survival" Fisheries Ecology and Management (accepted)
- Gragne, AS. Sharma, A., Mehrotra, R. and Alfredsen, K. (2015) "Improving real-time inflow forecasting into hydropower reservoirs through a complementary modelling framework." Hydrology and Earth System Sciences 19:3695-3714.
- Bakken, TH., Johnsen, F., Killingtveit, . and Alfredsen, K. (2015) "Are Reservoirs Water Consumers or Water Collectors? Reflections on the Water Footprint Concept Applied on Reservoirs." Water resources management, 29(14):4919-4926
- Rial, NH and Alfredsen, K. (2015) "Environmental Flows in Nepal - An Evaluation of Current Practices and an Analysis of the Upper Trishuli-I Hydroelectric Project." Hydro Nepal: Journal of Water, Energy and Environment, 17:8-17.
- Hailegeorgis, T. and Alfredsen, K. "Multi-basin and regional calibration based identification of distributed Precipitation-Runoff models for hourly runoff simulation: Calibration and transfer of full and partial parameters". Hydrology Research (accepted)
- Carolli, M, Vanzo, D., Zolezzi, G., Siviglia, A., Bruno, M.C. and Alfredsen, K. "A simple procedure for the assessment of hydropeaking flow alterations applied to several European streams". Aquatic Sciences, 77(4):639-653
- Gragne, AS, Alfredsen, K., Sharma, A. and Mehrotra, R. (2015) "Recursively updating the error forecasting scheme of a complementary modelling framework for improved reservoir inflow forecasts" Journal of Hydrology 527:967-977
- Hailegeorgis, T., Alfredsen, K., Abdella, YS. and Kolberg, S. (2015) "Evaluation of regionalization methods for hourly continuous streamflow simulation using distributed models for boreal catchments" Journal of Hydrologic Engineering 20(11):
- Timalsina, N.P., Alfredsen, K. and Killingtveit, Å. (2015) "Impact of climate change on ice regime in a river regulated for hydropower" Canadian Journal of Civil Engineering 42:1-11
- Casas-Mulet, R., Alfredsen, K., Brabrand, Å. and Saltveit, SJ. (2015) "Survival of eggs of Atlantic salmon (Salmo salar) in a drawdown zone of a regulated river influenced by groundwater." Hydrobiologia 743(1):269-284
- Hailegeorgis, T., Alfredsen, K., Abdella, YS. and Kolberg, S. (2015) "Evaluation of different parameterizations of the spatial heterogeneity of subsurface storage capacity for hourly runoff simulation in boreal mountainous watershed" Journal of Hydrology 522:522-533
- Casas-Mulet, R., Alfredsen, K., Hamududu, BH., Timalsina, NP. (2015) The effects of hydropeaking on hyporheic interactions based on field experiments. Hydrological Processes v29(6):1370-1384
- Casas-Mulet, R., Alfredsen, K. and Saltveit, SJ. (2015) "The survival of Atlantic salmon (Salmo salar) eggs during dewatering in a river subject to hydropeaking" River Research and Applications. 31(4):433-446
- Hailegeorgis, T. and Alfredsen, K. "Comparative evaluation of performances of different conceptualizations of distributed HBV runoff response routines for prediction of hourly streamflow in boreal mountainous catchments" Hydrology Research (accepted)
- Gebre, SB, Boissy, T and Alfredsen, K. (2014) "Sensitivity of lake ice regimes to climate change in the Nordic Region" The Cryosphere 8:1589-1605
- Casas-Mulet, R., Alfredsen, K. and Killingtveit, Å. (2014) "Modelling of environmental flow options for optimal Atlantic salmon, Salmo salar, embryo survival during hydropeaking" Fisheries Management and Ecology 21(6):480-490
- Kasurinen, VJ; Alfredsen, K; Kolari, Pasi; Mammarella, I; Alekseychik, P; Rinne, J; Vesala, Timo; Bernier, P; Boike, Julia; Langer, M; Marchesini, LB; van Huissteden, K; Dolman, Han; Sachs, T; Ohta, Tadashi; Varlagin, A; Rocha, Adrian V.; Arain, Altaf; Oechel, W; Lund, M..; Grelle, A; Linderoth, Andreas; Black, A; Aurela, M.; Laurila, T; Lohila, A; Berninger, F. (2014) "Latent heat exchange in the boreal and arctic biomass. "Global Change Biology 20(11):3439Ð3456
- Casas-Mulet, R., Alfredsen, K., Garcia-Escudero, A. (2014) A cost-effective approach to predict dynamic variation of mesohabitats at the river scale in Norwegian systems. International Journal of River Basin Management. 12(2):145-159
- Shrestha, J., N.P. Timalsina, K. Alfredsen. (2014) Regional modelling for estimation of runoff from ungauged catchments, case study of the Saptakoshi basin, Nepal. Hydro Nepal: Journal of Water, Energy and Environment 14:65-73
- Gebre, Solomon Bogale; Timalsina, Netra Prasad; Alfredsen, Knut. (2014) Some Aspects of Ice-Hydropower Interaction in a Changing Climate. Energies 7(3):1641-1655
- Gebre, SB, Boissy, T and Alfredsen, K. (2014) Sensitivity to climate change of the thermal structure and ice cover regime of three hydropower reservoirs. Journal of Hydrology 510:208-227
- Casas-Mulet, R, Alfredsen, K, Boissy, T., Sundt, H. & Ruther, N. Performance of a one-dimensional hydraulic model for the calculation of stranding areas in hydropeaking rivers. River Research and applications 31(2):143-155.
- Fjeldstad, H-P., Boissy, T. and Alfredsen, K. Optimizing Atlantic salmon smolt survival by use of hydropower simulation modelling in a regulated river. Fisheries Management and Ecology, 21.(1):22-31 doi:10.1111/fme.12044
- Chernet, H.H., Midttømme, G.H. and Alfredsen,K. (2014) Safety of Hydropower Dams in a Changing Climate. Journal of Hydrologic Engineering DOI:10.1061/(ASCE)HE.1943-5584.0000836 19(3):569-582
- Gebre, SB and Alfredsen,K. Contemporary trends and future changes in freshwater ice conditions: inference from temperature indices. (2014) Hydrology Research doi:10.2166/nh.2013.213 45(3):455-478
- Gebre, SB, Alfredsen, K, Lia, L, Stickler, M, Tesaker, E. Ice Effects on Hydropower Systems - A Review. Journal of Cold Regions Engineering, 27(4)., pp.196-222 DOI:10.1061/(ASCE)CR.1943-5495.0000059
- Bakken, TH, Killingtveit, A, Engeland, K, Alfredsen, K, Harby, A. (2013) Water consumption from hydropower plants Ð review of published estimates and an assessment of the concept. Hydrology and Earth System Sciences 2013 ;Volum 17. s.3983-4000
- Hailegeorgis, T.T., Alfredsen, K and Thorolfsson, S.T. Regional Frequency Analysis of Extreme Precipitation with Consideration of Uncertainties to Update IDF Curves for the City of Trondheim. Journal of Hydrology, 498, pp.305-318. DOI:10.1016/j.jhydrol.2013.06.019
- Timalsina, N.P.; Charmasson, J.; Alfredsen, K. Simulation of the ice regime in a Norwegian regulated river. Cold Regions Science and Technology, 94, pp 61-73, DOI:10.1016/j.coldregions.2013.06.010
- Fjeldstad, H-P., Alfredsen, K. and Forseth, T. (2013) Atlantic salmon fishways: The Norwegian experiences. Vann 48(2), 191-205
- Weber, C, C. Nilsson, C., L. Lind, KT Alfredsen, LE Polvi. (2013) Winter Disturbances and Riverine Fish: A Review. BioScience 63(3), 199-210
- Tamrakar, B. and K. Alfredsen. Satellite-based precipitation estimation for hydropower development. (2013) Hydro Nepal: Journal of Water, Energy and Environment, 12, 52-58
- Zelelew, M.B. and Alfredsen, K. The use of co-kriging and map-correlation to study hydrological response patterns and select reference streamgauges for ungauged catchments Journal of Hydrologic Engineering. DOI:10.1061/(ASCE)HE.1943-5584.0000803
- Zelelew, M.B. and K. Alfredsen Sensitivity-guided evaluation of the HBV hydrological model parameterization. Journal of Hydroinformatics doi:10.2166/hydro.2012.011 Suppl.Matr
- Chernet, H.H., Alfredsen, K and Killingtveit, Å. (2013) The impacts of climate change on a Norwegian high-head hydropower system. Journal of Water and Climate Change, 4(1) pp. 17-37. doi:10.2166/wcc.2013.042
- Alfredsen,K., Harby, A, Linnansari, T and Ugedal, O.(2012) Development of an inflow controlled environmental flow regime for a Norwegian river. River Research and Applications, 28, 731-739. DOI: 10.1002/rra.1550
- Dunbar, M, Alfredsen, K. and Harby, A.(2012) Habitat hydraulic modelling Fisheries Management and Ecology, 19, 500-517, DOI: 10.1111/j.1365-2400.2011.00825.x
- Fjeldstad, H-P; Barlaup, B; Stickler, M; Gabrielsen, S; Alfredsen, Knut.(2012) Removal of small dams and its influence on physical habitat for salmonids in a Norwegian river River Research and Applications 28, 753-763, DOI: 10.1002/rra.1529
- Prowse, T., K. Alfredsen, S. Beltaos, B. R. Bonsal, B. W. Bowden, C. Duguay, A. Korhola, J. McNamara, W. Vincent, V. Vuglinsky and G. Weyhenmeyer. (2011) Effects of changes in Arctic lake and river ice. Ambio Volume 40, Supplement 1, Pages 63-74 DOI: 10.1007/s13280-011-0217-6.
- Prowse, T., K. Alfredsen, S. Beltaos, B. R. Bonsal, B. W., C. Duguay, A. Korhola, J. McNamara, W. Vincent, V. Vuglinsky and G. Weyhenmeyer (2011) Arctic freshwater ice and its climatic role. Ambio Volume 40, Supplement 1, Pages 46-52 DOI: 10.1007/s13280-011-0214-9
- Prowse, T., K. Alfredsen, S. Beltaos, B. R. Bonsal, B. W., C. Duguay, A. Korhola, J. McNamara, W. Vincent, V. Vuglinsky and G. Weyhenmeyer (2011) Past and future changes in Arctic lake and river ice. Ambio Volume 40, Supplement 1, Pages 53-62 DOI: 10.1007/s13280-011-0216-7.
- Shresta, S and Alfredsen, K. (2011) Application of HBV Model in Hydrological Studies of Nepali River Basins: A Case Study. Hydro Nepal: Journal of Water, Energy and Environment, 8, 38 - 44
- Abdella, Y.S. and Alfredsen, K A (2010) GIS toolset for automated processing and analysis of radar precipitation data Computers and Geosciences. 36(4) 422-429
- Abdella, Y.S. and Alfredsen, K (2010) Evaluation of precipitation estimates from Rissa radar in Norway. Hydrology Research, 41, 171-192
- Stickler, M, Alfredsen, K, Linnansaari, T. Fjeldstad, HP. (2010) The influence of dynamic ice formation on hydraulic heterogeneity in steep streams. River Research and Applications, 26(9) 1187- 1197.
- Stickler, M, Alfredsen, K. Anchor ice formation in streams: A field study.(2009) Hydrological Processes 23, 2307-2315.
- Linnansaari, Tommi; Alfredsen, Knut; Stickler, Morten; Arnekleiv, Jo Vegar; Harby, Atle; Cunjak, R. (2009) Does ice matter? Site fidelity and movements by Atlantic salmon (Salmo salar L.) parr during winter in a substrate enhanced river reach . Rivers Research and Applications: an international journal devoted to river research and management Volum 25(6), s. 773-787.
- Stickler, Morten; Enders, E C; Pennell, Curtis; Cote, D; Alfredsen, Knut; Scruton, David. (2008)Habitat use of Atlantic salmon Salom salar parr in a dynamic winter environment: the influence of anchor-ice dams. Journal of Fish Biology 2008 ;Volum 73.(4) s. 926-944.
- Scruton, D.A., C. J. Pennell, L.M.N. Ollerhead, K. Alfredsen, M. Stickler, A. Harby, M. Robertson, K.D. Clarke & L.J. LeDrew. (2008) A synopsis of hydropeaking studies on the response of juvenile Atlantic salmon to experimental flow alteration. Hydrobiologia ;Volum 609. s. 263-275
- Enders E C, M. Stickler, C. J. Pennell, D. Cote, K. Alfredsen & D. A. Scruton. (2008)Variations in distribution and mobility of Atlantic salmon parr during winter in a small, steep river. Hydrobiologia 2008 ;Volum 609.(1) s. 37-44
- Stickler, M, E C. Enders, C J. Pennell, D. Cote, K. Alfredsen and D A. Scruton. (2008) Stream gradient-related movement and growth of Atlantic salmon parr (Salmo salar L.) during winter. Transactions of the American Fisheries Society Volume 137, Issue 2) pp. 371-385(2008).
- Halleraker, J.H., Sundt, H., Alfredsen, K.T., Dangelmaier, G. (2007) Application of multiscale environmental flow methodologies as tools for optimized management of a Norwegian regulated national salmon watercourse. Rivers research and applications 23:493-510
- M. Stickler, Alfredsen,K, Scruton, D.A., Pennell,C., Harby,A., and Økland,F. Activity and movement of Atlantic salmon parr during ice formation events in a Norwegian regulated river. Hydrobiologia, Vol 582, No1 (2007)
- A.Huusko, Greenberg, L., Stickler,M., Linnansaari, T., Nykanen, M., Vehanen, T., Koljonen, S., Louhi,P. and Alfredsen,K. (2007) Life in the ice lane: a review of winter ecology of stream salmonids. River research and applicatios 23: 469-491
- Scruton, D.A., M.J. Robertson, N.L.M. Ollerhead, K.D. Clarke, C.J. Pennell, K. Alfredsen, A. Harby, and R.S. McKinley. (2005) Seasonal response of juvenile Atlantic salmon (Salmo salar) to experimental hydro peaking power generation on a Newfoundland, Canada river. North American Journal of Fisheries Management (2005).
- P. Borsanyi, K. Alfredsen, A. Harby, O. Ugedal, C.E.Kraxner. (2004) A Meso-scale habitat classification method for population modeling of Atlantic salmon (salmo salar) in Norway. Hydroecologie Applique vol 14 no 1 pp 119-138 .
- K. Alfredsen, P. Borsanyi, S-E.Wersland, A.Harby, H-P.Fjeldstad. (2004) Application of habitat modelling in river restoration and artificial habitat design. Hydroecologie Applique vol 14, no 1 pp 105-117 .
- D.A. Scruton, L.M.N. Ollerhead, K.D. Clarke, C.Pennel, K. Alfredsen, A. Harby and D. Perry (2003) The behavioural response of juvenile Atlantic salmon (salmo salar) and brook trout (salvelinus fontinalis) to experimental hydropeaking on a Newfoundland (Canada) river River research and applications 19: 577-587
- D.A. Scruton, K.D. Clarke, L.M.N. Ollerhead, D. Perry, R.S. McKinley, K. Alfredsen and A. Harby (2002) Use of telemetry in the development and application of biological criteria for habitat hydraulic modelling Hydrobiologia 483 (1-3): 71-82
- K. Alfredsen and E. Tesaker (2002) Winter habitat assessment strategies and incorporation of winter habitat in the Norwegian habitat assessment tools. Hydrological Processes 16(4) pp. 927 - 936.
- K. Alfredsen and G. Holm Midttømme Computer-based training simulator for dam and hydro plant operation during floods International Journal on Hydropower and Dams 2 (2001).
- Alfredsen, K. and B. Sæther (2000) An object-oriented framework for building water resource information and planning tools applied to the design of a flood analysis system. Environmental Modelling and Software 15
- Alfredsen, K. and B. Sæther ( 1997) An Object Oriented Framework for Creating Models in Hydrology. ACM Sigplan Notices February
Peer-reviewed book chapters
- Szabo-Meszaros, M., Ruther, N., Alfredsen, K. (2017) Correlation between the shelter of juvenile salmonids and bed substrate. River Sedimentation: Proceedings of the 13th International Symposium on River Sedimentation. CRC-Press ISBN9781138029453
- Bakken, TH, Killingtveit, A, Engeland, K, Alfredsen, K and Harby, A. (2013) Water consumption from hydropower production: review of published estimates. In: Schuman, A. (ed) Considering Hydrological Change in Reservoir Planning and Management. IAHS Press 2013 ISBN 978-1-907161-40-7. s.155-160
- Prowse, T., K. Alfredsen, S. Beltaos, B. R. Bonsal, B. W., C. Duguay, A. Korhola, J. McNamara, W. Vincent, V. Vuglinsky and G. Weyhenmeyer. (2012) Changing Lake and River Ice Regimes: Trends, Effects and Implications. Chapter 6 in Soil, Water, Ice and Permafrost - AMAP. (reviewed book chapter). Arctic Monitoring and Assessment Programme
Selected conference presentations
- Alfredsen, K., Saha, SK. (2021) Assessment of regulation impacts on ice formation in river Alta, Norway. Proceedings of the 21st Workshop on the Hydraulics of Ice Covered Rivers.
- Rødtang, EA., John, J., Alfredsen, K. (2021) Anchor ice dam survey in small steep rivers. Proceedings of the 21st Workshop on the Hydraulics of Ice Covered Rivers.
- Alfredsen, K., Juarez, A. (2020) Modelling stranded river ice using LiDAR and drone-based models. PROCEEDINGS OF THE 25th INTERNATIONAL SYMPOSIUM ON ICE Trondheim, Norway, 23rd – 25th November 2020.
- Lia, L., Nøvik, H., Alfredsen, Knut. (2020) Reducing ice accumulation on Coanda Screen intakes. PROCEEDINGS OF THE 25th INTERNATIONAL SYMPOSIUM ON ICE Trondheim, Norway, 23rd – 25th November 2020.
- Alfredsen, K. (2017) Incorporating ice effects in environmental flow indices. I: 19th Workshop on the Hydraulics of Ice Covered Rivers. Whitehorse, Canada: Committee on River Ice Processes and the Environment
- Szabo-Meszaros, M., Ruther, N., Alfredsen, K. (2017) Correlation between the shelter of juvenile salmonids and bed substrate. River Sedimentation: Proceedings of the 13th International Symposium on River Sedimentation.
- Alfredsen, K. (2015) Modelling ice effects on head loss at hydropower intakes. (2015) In: Proceedings of the 18th Workshop on the Hydraulics of Ice Covered Rivers. Quebec City, Canada: Committee on River Ice Processes and the Environment 2013 s.1-10
- Alfredsen, K. and Timalsina, N. (2014) Strategies for modelling winter habitat at different scales. 10th International conference on ecohydraulics
- Alfredsen, K. and Stickler, M. (2014) Impacts of ice formation and regulated flow on juvenile Atlantic salmon. 11th International Conference on Biology of Fish
- Heggen, S, Alfredsen, K. (2013) Ice breakup in small Norwegian streams. In: Proceedings of the 17th Workshop on the Hydraulics of Ice Covered Rivers. Edmonton, Canada: Committee on River Ice Processes and the Environment 2013 s.55-72
- Alfredsen, K, Stickler, M. (2013) Dynamic ice formation processes in two Norwegian rivers - implications for the environment and hydropower. In: Proceedings of the 17th Workshop on the Hydraulics of Ice Covered Rivers. Edmonton, Canada: Committee on River Ice Processes and the Environment 2013 s.1-10
- Gebre, SB, Boissy, T and Alfredsen, K. (2013) Modeling thermal structure, ice cover regime and sensitivity to climate change of two regulated lakes Ð a Norwegian case study. Geophysical Research Abstracts 2013 ;Volum 15.
- Hailegeorgis, TT, Alfredsen, K. and Killingtveit, Å. (2012) Decision support system for hydropower in Africa: the influential roles of hydrology for optimal and sustainable planning management and conflict resolution among water users. In: AFRICA 2013. International Conference and Exhibition on Water Storage and Hydropower Development for Africa. Aqua Media International Ltd
- Chernet, HH, Alfredsen, K and Midttømme, GH. (2012) Assessment of Changes in Design Flood Due to Climate Change for Sysen Dam in Norway. In: International Symposium on Dams for a Changing World ICOLD 2012.
- Casas-Mulet, R. and Alfredsen, K. (2012) Hyporheic interactions under a hydropeaking scenario: a multi-scale approach. Geophysical Research Abstracts 2012 Volum 14
- Gebre, SB and Alfredsen, K. (2011) Investigation of river ice regimes in some Norwegian water courses. 2011 CRIPE Workshop on river ice, Winnipeg, Canada
- Alfredsen, K. and Killingtveit, Å. (2011) Utilizing hydropower for load balancing non-storable renewable energy sources Ð technical and environmental challenges. AGU Fall Meeting
- Alfredsen, K., Stickler, M. and Linnansaari, T. (2011) Ice impacts on behaviour and habitat choice in juvenile Atlantic salmon in steep rivers - Summarizing the winter habitat project. Northern Research Basins, Fjærland Norway
- Abdella, YS, Engeland, K, Lepioufle, J-M and Alfredsen, K. (2011) Distributed modelling of catchment hydrology using radar derived precipitation. Geophysical Research Abstracts 2011 ;Volume 13.
- Alfredsen, K, Stickler, M and Pennell, C. (2006) Ice formation and breakup in steep streams. In: Proceedings of the 18th IAHR International Symposium on Ice (ed:Saeki, H.). International Association of Hydraulic Engineering and Research ISBN 4-89115-152-8.
Reports, books, book chapters and other material
- Alfredsen, K., Bruland, O. (2022) Hydropower in Cold Regions. Comprehensive Renewable Energy, Second Edition.
- Alfredsen, K. (2022) Oversikt over bruk av batymetrisk LiDAR ved NTNU. 2022. ISBN 82-7598-091-7.
- Alfredsen, K., Awadallah, MOM. (2022) Vurdering av hydraulisk effekt av tersklar i Lærdalselva. 2022. ISBN 82-7598-092-5.
- Alfredsen, K., Juarez, A., Limpens, E., Sivakumar, A. (2020) Simulering av vassdekt areal i Lærdalselva. NTNU report(B1-2019-5)
- Alfredsen, K., Høyland, KV., Lu, W., Bjerke, PL., Lia, L., Løset, S. (2020) PROCEEDINGS OF THE 25th INTERNATIONAL SYMPOSIUM ON ICE Trondheim, Norway, 23rd – 25th November 2020. The International Association for Hydro-Environment Engineering and Research (IAHR). 2020. ISBN 978-82-7598-120-0. Proceedings of the IAHR International Symposium on ice (1).
- Engeland, K., Alfredsen, K. (2020) Hydrology and Water Resources Management in a Changing World. IWA Publishing. 2020. ISBN 9781789062168.
- Alfredsen, K., Xu, C-Y., Engeland, K. (2018) Nordic Hydrological Conference 2018. Oslo: Norges vassdrags- og energidirektorat 2018 128 s. Rapport (Norges vassdrags- og energidirektorat)(66-2018)
- Bakken, TH., Killingtveit, ., Belete, KW., Alfredsen, K. (2017) Saving lives and creating value. International Water Power and Dam Construction 2017 ;Volum 69.(4) s. 43-45
- Alfredsen, K. (2016) Vurdering av effektkøyring i Lærdalselva. Trondheim: Institutt for vann- og miljøteknikk, NTNU 2016 (ISBN 978-82-7598-101-9) 19 s.
- Alfredsen, K. (2016) Is i Sautso - Vurdering av istilhøve 2006 - 2015 og forslag til vidare overvaking. Trondheim: Institutt for vann- og miljøteknikk, NTNU 2016 (ISBN 978-82-7598-098-2) 45 s.
- Killingtveit, Å., Afredsen, K. (2016) "Virkninger av klimaendringer på leveringskapasitet for vannforsyning fra Jonsvatnet og Benna. IVM Report B1-2016-2. ISBN 978-82-7598-096-8
- Heggenes, J., Alfredsen, K., Bustos, A.A., Huusko, A. (2016) Be cool: hydro-physical changes and fish responses in winter in hydropower-regulated northern streams. University college of Southeast Norway. Publication series 1. ISBN: 978-82-7206-410-4
- Bakken, Tor Haakon; Forseth, Torbjørn; Harby, Atle; Alfredsen, Knut; Arnekleiv, Jo Vegar; Berg, Ole Kristian; Casas-Mulet, Roser; Charmasson, Julie; Greimel, Franz; Halley, Duncan; Hedger, Richard; Larsen, Bjørn Mejdell; Leo, Florian; Melcher, Andreas; Puffer, Michael; Pulg, Ulrich; Reitan, Ole; RŸther, Nils; Saltveit, Svein Jakob; Sauterleute, Julian; Schneider, Matthias; Skoglund, Helge; Sundt, Håkon; Timalsina, Netra; Ugedal, Ola; Dijk, Jiska Van; Vollset, Knut Wiik; Zakowsky, Tania; Zinke, Peggy. "Miljøvirkninger av effektkjøring: Kunnskapsstatus og råd til forvaltning og industri" NINA Temahefte 62. 205 s.
- Forseth, T, Harby, A, Ugedal, O, Pulg, U, Fjeldstad, H-P, Robertsen, G, Barlaup, BT, Alfredsen, K, Sundt, H, Saltveit, SJ, Skoglund, H, Kvingedal, E, Sundt-Hansen, L, Finstad, AG, Einum, S, Arnekleiv, JV. (2013) Haandbok for miljødesign i regulerte laksevassdrag. Trondheim: Norsk institutt for naturforskning (ISBN 978-82-426-2589-2) 90 s. NINA temahefte(52)
- Urke, H A.; Kristensen, T; Alfredsen, K; Lundmark Daae, K; Alfredsen, JA. (2011) Utvandringstidspunkt og marin adferd hjaaa smolt fraa Lærdalselva. Norsk Institutt for vannforskning ISBN 1-82-577-5768-7 48 p
- Kristensen, T; Urke, HA; Haugen, T; Rustadbakken, A; Alfredsen, JA; Alfredsen, K; Rosseland, BO. (2011) Sjøauren i Lærdalselva; vekstmønster og fjordvandringar før og no. Norsk Institutt for Vannforskning ISBN 978-82-577-5857-8 32 p
- Arnekleiv, JV; Kjærstad, G; Sjursen, AD; Rønning, L; Koksvik, J; Alfredsen, K. (2010) Fiskebiologiske undersøkelser i Innfjordelva, Rauma kommune, 2004-2009. ISBN 978-82- 7126-904-3 NTNU Vitenskapsmuseet Rapport zoologisk serie 39 p
- Belete, KW; Alfredsen, K. (2010) Reservoir mapping of Selbusjøen. Department of hydraulic and environmental engineering, NTNU ISBN 82-7598-079- 8 24 p
- Alfredsen, K; Linnansaari, T; Harby, A; Ugedal, O (2009) Tilsigsstyrt minstevassføring - ein pilotstudie. Oslo: Norges Vassdrags- og energidirektorat ISBN 978-82-410-0688-3 41 p
- Arnekleiv, JV; Rønning, L; Koksvik, J; Kjærstad, G; Alfredsen, K; Berg, OK; Finstad, AG (2007) Ferskvannsbiologiske undersøkelser i Stjørdalselva 1990-2006. Faglig oppsummering: kraftverksregulering, bunndyr, drivfauna, ungfisk og smolt. ISBN 978-82-7126-764-3 NTNU Vitenskapsmuseet Rapport zoologisk serie 141 p
- Alfredsen, K; Stickler, M; Linnansaari, T. (2006) Verknader av is paa habitat for fisk i elver med habitattiltak og minstevassføring. Norges vassdrags- og energidirektorat. ISBN 82-410-0573-3 43 p
- Harby, A; Alfredsen, K; Arnekleiv, JV; Flodmark, L; Halleraker, JH.; Johansen, SW.; Saltveit, SJ. (2004) Raske vannstandsendringer i elver Vrkninger paa fisk, bunndyr og begroing. Trondheim: Sintef Rapport, 39 p