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    • DAS Preprocessing Workflow 

      Butcher, Antony; Hudson, Tom; Baird, Alan; Mellors, Rob (ACT DigiMon (NORCE);D1.4, Research report, 2020)
      This report addresses deliverable D1.4 of the DigiMon project, which covers the preprocessing workflow for datasets acquired by Distributed Acoustic Systems (DAS). The workflow seeks to capture the key stages required to ...

    • DAS Processing Algorithms 

      Butcher, Antony; Hudson, Tom; Zhou, Wen; Lapin, Sacha; Kendall, J-Michael; Baird, Alan (ACT DigiMon (NORCE);D1.5, Research report, 2021)
      This report addresses deliverable D1.5 of the DigiMon project, which covers processing algorithms for Distributed Acoustic Systems (DAS) datasets that are contained within a python library called DASpy. The objective of ...

    • DAS Processing Workflow 

      Butcher, Antony; Zhou, Wen; Baird, Alan; Boullenger, Boris; Paap, Bob; Vandeweijer, Vincent; Hudson, Tom; Kendall, J-Michael; Stork, Anna (ACT DigiMon (NORCE);D1.6, Research report, 2021)

    • DAS synthetic dataset 

      Baird, Alan; Mellors, Rob; Paap, Bob; Vandeweijer, Vincent; Verdel, Arie; Butcher, Antony; Stork, Anna (ACT DigiMon (NORCE);D1.3, Research report, 2020)
      Deliverable D1.3 of the ACT DigiMon project is a synthetic microseismic distributed acoustic sensins (DAS) dataset. There are a number of possible uses for such a dataset; for example supporting the development and testing ...

    • Data assimilation with multiple types of observation boreholes via the ensemble Kalman filter embedded within stochastic moment equations 

      Xia, Chuan-An; Luo, Xiaodong; Hu, Bill X.; Riva, Monica; Guadagnini, Alberto (Peer reviewed; Journal article, 2021)
      We employ an approach based on the ensemble Kalman filter coupled with stochastic moment equations (MEs-EnKF) of groundwater flow to explore the dependence of conductivity estimates on the type of available information ...

    • Data assimilation with soft constraints (DASC) through a generalized iterative ensemble smoother 

      Luo, Xiaodong; Chalub Cruz, William (Peer reviewed; Journal article, 2022)
      This work investigates an ensemble-based workflow to simultaneously handle generic, nonlinear equality and inequality constraints in reservoir data assimilation problems. The proposed workflow is built upon a recently ...

    • Data from lab-scale experiments of fibre optic vibration measurement 

      Thomas, Peter James; Heggelund, Yngve; Baap, Bob; Mellors, Robert; Pitarka, Arben; Matzel, Eric; Butcher, Anthony (ACT DigiMon (NORCE);D1.1, add. 4, Research report, 2022)
      Understanding the exact nature of the coupling of the optical fiber in response to seismic waves in a variety of settings is key to quantitative interpretation and modelling of seismic data recorded by Distributed Acoustic ...

    • Datarapport for prosjektet: "LIV" 

      Gabrielsen, Sven-Erik; Sandven, Ole; Barlaup, Bjørn Torgeir; Wiers, Tore; Lehmann, Gunnar Bekke; Skoglund, Helge; Halvorsen, Godtfred A. (LFI - Laboratorium for ferskvannsøkologi og innlandsfiske, Research report, 2009)
      Som en del av det pågående miljøsamarbeidet mellom BKK og Unifob Miljøforskning gjennomføres det i perioden 2006–2011 et samordnet prosjekt for de seks "BKK-elvene" der Unifob jevnlig har oppdrag. Prosjektet har hatt ...

    • The Day-to-day Supply Responses of a Limited-entry Mixed Fishery 

      Liu, Xiaozi; Shaw, Daigee; Bjørndal, Trond; Heino, Mikko Petteri (Peer reviewed; Journal article, 2021)
      Small-scale fishers’ short-run supply decisions are understudied, often because of data limitations. We utilize a unique dataset of daily catches and prices from a mixed-species trawl fishery in Taiwan, characterized by ...

    • Dealing with Natural Disasters: Managing Floods in Norway 

      Lillestøl, Carina Smørdal; Rykkja, Lise Hellebø (Working paper; 4-2016, Working paper, 2016-04)
      Crises, such as floods, give rise to important political–administrative challenges. Preparing for sudden adversity, and the capacity to respond and adjust course in the face of crises are major and necessary assets for ...

    • Decadal Changes in Ventilation and Anthropogenic Carbon in the Nordic Seas 

      Jeansson, Emil; Tanhua, Toste; Olsen, Are; Smethie Jr., William M.; Rajasakaren, Balamuralli; Olafsdóttir, Solveig R.; Ólafsson, Jón (Peer reviewed; Journal article, 2023)
      We evaluate the decadal evolution of ventilation and anthropogenic carbon (Cant) in the Nordic Seas between 1982 and the 2010s. Ventilation changes on decadal timescale are identified by evaluating decadal changes in mean ...

    • Decadal trends in ocean acidification from the Ocean Weather Station M in the Norwegian Sea 

      Skjelvan, Ingunn; Lauvset, Siv Kari; Johannessen, Truls; Gundersen, Kjell; Skagseth, Øystein (Peer reviewed; Journal article, 2022)
      The Ocean Weather Station M (OWSM) is situated at a fixed position in the Norwegian Sea, one of the major basins of the Nordic Seas, which represents an important area for uptake of atmospheric CO2 as well as deep water ...

    • Decadal Trends in the Oceanic Storage of Anthropogenic Carbon From 1994 to 2014 

      Müller, Jens Daniel; Gruber, N.; Carter, B.; Feely, R.; Ishii, M.; Lange, N.; Lauvset, Siv Kari; Murata, A.; Olsen, Are; Pérez, F.F.; Sabine, C.; Tanhua, T.; Wanninkhof, R.; Zhu, D. (Peer reviewed; Journal article, 2023)
      The oceanic uptake and resulting storage of the anthropogenic CO2 (Cant) that humans have emitted into the atmosphere moderates climate change. Yet our knowledge about how this uptake and storage has progressed in time ...

    • The Decentralized Path Challenged? Nordic Health Care Reforms in Comparison 

      Byrkjeflot, Haldor; Neby, Simon (Working paper, Working paper, 2004-01)
      In this paper we present alternatives for describing and explaining the developments of Nordic health care in general and hospitals in particular. The backdrop is the Norwegian hospital reform of 2002, a reform that seems ...

    • Deciphering a Marine Bone-Degrading Microbiome Reveals a Complex Community Effort 

      Borchert, Erik; Garcia-Moyano, Antonio; Sánchez-Carrillo, Sergio; Dahlgren, Thomas Gunnar; Slaby, B; Bjerga, Gro Elin Kjæreng; Ferrer, Manuel; Franzenburg, Sören; Hentschel, Ute (Peer reviewed; Journal article, 2021)
      The marine bone biome is a complex assemblage of macro- and microorganisms; however, the enzymatic repertoire to access bone-derived nutrients remains unknown. The bone matrix is a composite material made up mainly of ...

    • Decision making in child protection emergency cases in Norway 

      Havnen, Karen J Skaale; Kojan, Bente Heggem; Askeland, Kristin Gärtner; Nilsen, Sondre Aasen; Storhaug, Anita Skårstad (Peer reviewed; Journal article, 2023)
      Background Research on decision-making factors in child protection emergency cases is scarce, and even less is known about factors that can avert emergency placement. Objective This study aims to explore factors that ...

    • Decomposing oceanic temperature and salinity change using ocean carbon change 

      Turner, Charles E.; Brown, Peter J.; Oliver, Kevin I. C.; McDonagh, Elaine Louise (Peer reviewed; Journal article, 2022)
      As the planet warms due to the accumulation of anthropogenic CO2 in the atmosphere, the interaction of surface ocean carbonate chemistry and the radiative forcing of atmospheric CO2 leads to the global ocean sequestering ...

    • Deep learning for graphs 

      Bacciu, Davide; Bianchi, Filippo Maria; Paassen, Benjamin; Alippi, Cesare (Chapter, 2018)
      Deep learning for graphs encompasses all those neural models endowed with multiple layers of computation operating on data represented as graphs. The most common building blocks of these models are graph encoding layers, ...

    • Deep-Reaching Global Ocean Overturning Circulation Generated by Surface Buoyancy Forcing 

      Klocker, Andreas; Munday, David; Gayen, Bishakhdatta; Roquet, Fabien; Lacasce, Joseph Henry (Peer reviewed; Journal article, 2023)
      In contrast with the atmosphere, which is heated from below by solar radiation, the ocean is both heated and cooled from above. To drive a deep-reaching overturning circulation in this context, it is generally assumed that ...

    • Deep-Sea Carnivorous Sponges From the Mariana Islands 

      Hestetun, Jon Thomassen; Rapp, Hans Tore; Pomponi, Shirley (Peer reviewed; Journal article, 2019)
      Carnivorous sponges belonging to family Cladorhizidae (Porifera, Demospongiae, Poecilosclerida) are unique within phylum Porifera due to their ability to capture and envelop small prey. While other sponges use an aquiferous ...