Browsing NTNU Open by Author "Stickler, Morten"
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Anchor ice formation and habitat choice of Atlantic salmon (Salmo salar L.) parr in steep streams
Stickler, Morten (Doktoravhandlinger ved NTNU, 1503-8181; 2008:273, Doctoral thesis, 2008) -
A Conflict between Traditional Flood Measures and Maintaining River Ecosystems? A Case Study Based Upon the River Lærdal, Norway
Juarez, Ana; Alfredsen, Knut; Stickler, Morten; Adeva Bustos, Ana; Suarez, Rodrigo; Seguin Garcia, Sonia; Hansen, Bendik Kristoffer Torp (Peer reviewed; Journal article, 2021)Floods are among the most damaging of natural disasters, and flood events are expected to increase in magnitude and frequency with the effects of climate change and changes in land use. As a consequence, much focus has ... -
Hydraulisk modellering av kraftverksdrift i Tokkeåi
Skeie, Lars (Master thesis, 2017)En todimensjonal hydraulisk modell har blitt konstruert i HEC-RAS 5.0 for elven Tokkeåi (5 km lang) i Telemark. Hovedformål for oppgaven er å vurdere graden av effektkjøring av kraftverk. Elven deler seg i flere løp, noe ... -
Hydropower‐driven thermal changes, biological responses and mitigating measures in northern river systems
Heggenes, Jan; Stickler, Morten; Alfredsen, Knut; Brittain, John Edward; Adeva Bustos, Ana; Huusko, Ari (Peer reviewed; Journal article, 2021)Water temperatures control life histories and diversity of aquatic species. Hydropower regulation, particularly in high head systems, alters natural water temperature regimes, which may have profound and long-term impacts ... -
Identification of salmon population bottlenecks from low flows in a hydro-regulated river
Adeva Bustos, Ana; Hedger, Richard David; Fjeldstad, Hans-Petter; Stickler, Morten; Alfredsen, Knut (Journal article; Peer reviewed, 2019)Flow regime alterations from hydropower regulation may impact fish populations. Impacts can be characterized using methods for mapping bottlenecks for different species life stages. Improving the understanding of such ... -
The impact of hydropeaking on juvenile brown trout (Salmo trutta) in a Norwegian regulated river
Saltveit, Svein Jakob; Brabrand, Åge; Juarez, Ana; Stickler, Morten; Dønnum, Bjørn Otto (Peer reviewed; Journal article, 2020)The Norwegian electrical energy supply system is based on hydropower. The now deregulated energy market has led to increased use of hydropeaking production, leading to greater fluctuations in discharge and water levels ... -
Quantitative Evaluation of Bathymetric LiDAR Sensors and Acquisition Approaches in Lærdal River in Norway
Awadallah, Mahmoud Omer Mahmoud; Malmquist, Christian; Stickler, Morten; Alfredsen, Knut (Peer reviewed; Journal article, 2023)The development of bathymetric LiDAR technology has contributed significantly to both the quality and quantity of river bathymetry data. Although several bathymetric LiDAR sensors are available today, studies that evaluate ... -
Topo-Bathymetric LiDAR for Hydraulic Modeling - Evaluation of LiDAR Data From Two Rivers
Alne, Ingrid Sundsbø (Master thesis, 2016)Hydraulic modeling is a tool that is widely used for studying rivers to find water depth, velocity, wave propagation, water level variations and other hydraulic variables. To achieve accurate results it is often necessary ... -
Topo-Bathymetric LiDAR for Hydraulic Modeling - Evaluation of LiDAR Data From Two Rivers
Alne, Ingrid Sundsbø (Master thesis, 2016)Hydraulic modeling is a tool that is widely used for studying rivers to find water depth, velocity, wave propagation, water level variations and other hydraulic variables. To achieve accurate results it is often necessary ... -
Utfall av Trollheim kraftverk i juli 2008 - Effekter av fiskebestandene i Surna
Forseth, Torbjørn; Stickler, Morten; Ugedal, Ola; Sundt, Håkon; Bremset, Gunnbjørn; Linnansaari, Tommi; Hvidsten, Nils Arne; Harby, Atle; Bongard, Terje; Alfredsen, Knut (NINA Rapport;435, Research report, 2009)An accidental stop in the turbine in the Trollheim Hydropower Plant on 27th July 2008 caused a drop in downstream discharge in the River Surna from 21 to 3 m3/s during 100 min. River discharge was reestablished after ... -
Vurdering av omløpskanal ved Anundsjö kraftverk
Pettersson, Johan (Master thesis, 2016)Den 2:a september 2015 invigdes fiskeomlöpet vid Anundsjö kraftverk efter en byggtid på 2 år, till en kostnad av 20 miljoner kronor. Omlöpet byggdes på bakgrund av att kraftverket i 2010 fick sin vattendom omprövad av ... -
Vurdering av omløpskanal ved Anundsjö kraftverk
Pettersson, Johan (Master thesis, 2016)Den 2:a september 2015 invigdes fiskeomlöpet vid Anundsjö kraftverk efter en byggtid på 2 år, till en kostnad av 20 miljoner kronor. Omlöpet byggdes på bakgrund av att kraftverket i 2010 fick sin vattendom omprövad av ...