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Validity of the NTNU Prediction Model for D&B Tunnelling
The Norwegian University of Science and Technology (NTNU) has since the early 1970s published prediction models for estimated production rates, time...
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High-latitude thermospheric wind study using a Fabry–Perot interferometer at Tromsø in Norway: averages and variations during quiet times
The average winds in the thermosphere during geomagnetically quiet times are important because they provide a baseline wind in the upper atmosphere,...
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Exact closed-form expressions for the complete RTM correction
We present exact, closed-form expressions for the complete RTM correction and the harmonic correction to disturbing potential, gravity disturbance,...
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Features of Radio Signal Propagation in the VLF Range at High Latitudes during Solar Proton Events
AbstractIn this paper, we study the amplitude and phase characteristics of VLF signals of an anthropogenic origin during solar proton events using...
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Thermospheric wind variations observed by a Fabry–Perot interferometer at Tromsø, Norway, at substorm onsets
Energy input from the magnetosphere during substorms can strongly affect the high-latitude thermosphere. The ionospheric current caused by...
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Time series modelling: applications for groundwater control in urban tunnelling
Water ingress to tunnels may result in pore pressure drawdown and consolidation settlements in areas above tunnels founded on soft soil deposits,...
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The Potential Role of Sulfur during Granulite-facies Metamorphism, Oxidation, and Geochemical Transformation of the Granitoid Lower Crust
AbstractThe role of S during high-grade metamorphism is a topic that has not garnered much interest in the literature until recently. In this review,...
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Extractable Potassium Compounds in the Rhizosphere of Norway Maple in Podzolic Soils
The content of potassium was determined in the whole soil and in fractions >5, 1–5, and <1 μm in extracts of 1 M NH 4 OAc, 2 M HCl, and hot 10% HCl in...
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The response of forested upland micro-watersheds to extreme precipitation in a precipitation abundant year
We performed a comparative paired catchment study of three headwater upland forest micro-catchments with different forest types in the...
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Spruce forest afforestation leading to increased Fe mobilization from soils
Increasing exports of Fe and DOC from soils, causing browning of freshwaters, have been reported in recent decades in many regions of the northern...
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Top-down or bottom-up? Norwegian climate mitigation policy as a contested hybrid of policy approaches
It is widely accepted that the Paris Agreement implies a shift in global climate mitigation policy from a top-down approach focused on global...
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Realistic visualization of debris flow type landslides through virtual reality
Immersive media technologies, such as virtual and augmented reality, have recently enabled a more holistic way to comprehend natural hazards. In this...
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Energy Transition to the Blue Economy: The Role of Science and Technology
Offshore oil and gas (O&G) production represents 25% of the “blue economy” market and is an important source of income for many coastal nations. This...
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Smartest Countries, Happiest Countries: The World’s Fight Against COVID-19 During the First Wave
Recently (for 9 months), the world has lived an unprecedented pandemic known as coronavirus disease 2019 (COVID-19). This latter is caused by the...
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A Methodology for Providing Surface-Cover-Corrected Net Radiation at Heterogeneous Eddy-Covariance Sites
A one-point measurement of net radiation is typically not representative of radiative energy available for the turbulent exchange of latent and...
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Acid–Base Characteristics and Clay Mineralogy in the Rhizospheres of Norway Maple and Common Spruce and in the Bulk Mass of Podzolic Soil
AbstractAcid–base characteristics and composition of clay minerals were estimated in the rhizospheres of Norway maple ( Acer platanoides ) and common...
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Ensemble and Self-supervised Learning for Improved Classification of Seismic Signals from the Åknes Rockslope
A case study with seismic geophone data from the unstable Åknes rock slope in Norway is considered. This rock slope is monitored because there is a...
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Simplified Hydraulic Jacking Test to Assess Fracture Normal Stress for Unlined Pressure Tunnels: A Field Experiment Using the Rapid Step-Rate Test
This paper describes an experimental campaign where a simplified test method. The Rapid Step-Rate Test (RSRT) has been investigated in a full-scale...
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MWD Data-Based Marble Quality Class Prediction Models Using ML Algorithms
Brønnøy Kalk AS operates an open pit mine in Norway producing marble, mainly used by the paper industry. The final product is used as filler and...
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Building 1D and 3D static reservoir geomechanical properties models in the oil field
Reservoir geomechanical models provide valuable information for various applications ranging from the prediction of surface subsidence to the...
