Blar i Faculty of Mathematics and Natural Sciences på tittel

Viser treff 5969-5988 av 9887

    • A new global ice sheet reconstruction for the past 80 000 years 

      Gowan, Evan J.; Zhang, Xu; Khosravi, Sara; Rovere, Alessio; Stocchi, Paolo; Hughes, Anna L.C.; Gyllencreutz, Richard; Mangerud, Jan; Svendsen, John Inge; Lohmann, Gerrit (Journal article; Peer reviewed, 2021)
      The evolution of past global ice sheets is highly uncertain. One example is the missing ice problem during the Last Glacial Maximum (LGM, 26 000-19 000 years before present) – an apparent 8-28 m discrepancy between far-field ...

    • A new global interior ocean mapped climatology: the 1° ×  1° GLODAP version 2 

      Lauvset, Siv Kari; Key, Robert M.; Olsen, Are; van Heuven, Steven; Velo, Antón; Lin, Xiaohua; Schirnick, Carsten; Kozyr, Alex; Tanhua, Toste; Hoppema, Mario; Jutterström, Sara; Steinfeldt, Reiner; Jeansson, Emil; Ishii, Masao; Pérez, Fiz F.; Suzuki, Toru; Watelet, Sylvain (Peer reviewed; Journal article, 2016-08-15)
      We present a mapped climatology (GLODAPv2.2016b) of ocean biogeochemical variables based on the new GLODAP version 2 data product (Olsen et al., 2016; Key et al., 2015), which covers all ocean basins over the years 1972 ...

    • A new high-resolution stratigraphic and palaeoenvironmental record spanning the End-Permian Mass Extinction and its aftermath in central Spitsbergen, Svalbard 

      Zuchuat, Valentin; Sleveland, Arve; Twitchett, Richard; Svensen, Henrik; Turner, Holly E; Augland, Lars Eivind; Jones, Morgan Thomas; Hammer, Øyvind; Hauksson, Bjarki; Haflidason, Haflidi; Midtkandal, Ivar; Planke, Sverre (Journal article; Peer reviewed, 2020-09-15)
      Research on the Permian-Triassic boundary (PTB) along the northern margins of Pangaea (exposed today in the Arctic region) has been heavily reliant on field observations, where data resolution was consequently determined ...

    • New hydrate risk evaluation for processing and transport of natural gas containing water and impurities 

      Kulkarni, Anuli Avinash (Master thesis, 2014-10-16)
      The growth of natural gas transport by pipeline has led to the establishment of a large network of pipelines throughout the world [1]. Transport of natural gas through a network of pipelines is a challenging issue, mainly ...

    • The new Inner Tracking System of the ALICE experiment 

      Acharya, Shreyasi; Adam, Jaroslav; Adamová, Dagmar; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, G; Agnello, Michelangelo; Agrawal, Nikita; Ahammed, Zubayer; Ahmad, N; Ahn, SU; Alme, Johan; Altenkaemper, Lucas; Arsene, Ionut Christian; Bätzing, Paul Christoph; Djuvsland, Øystein; Dordic, Olja; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Langøy, Rune; Lardeux, Antoine Xavier; Lien, Jørgen André; Lindal, Svein; Lønne, Per-Ivar; Mahmood, Sohail Musa; Milosevic, Jovan; Nesbø, Simon Voigt; Nystrand, Joakim; Rehman, Attiq Ur; Richter, Matthias Rudolph; Røed, Ketil; Røhrich, Dieter; Skaali, Toralf Bernhard; Tambave, Ganesh Jagannath; Tveter, Trine Spedstad; Ullaland, Kjetil; Velure, Arild; Wagner, Boris; Wikne, Jon Christopher; Zhang, Hui; Zhao, Chengxin; Zhou, Zhuo; Zhu, Hongsheng; Qvigstad, Henrik; Aiola, Salvatore; Akindinov, Alexander; Alam, Sk Noor; Alba, José Luis Bazo; Aleksandrov, Dimitry; Allesandro, B.; ALICE, Collaboration (Peer reviewed; Journal article, 2017-11)
      The ALICE experiment will undergo a major upgrade during the next LHC Long Shutdown scheduled in 2019–20 that will enable a detailed study of the properties of the QGP, exploiting the increased Pb-Pb luminosity ...

    • New insights into the early mechanisms of epileptogenesis in a zebrafish model of Dravet syndrome 

      Tiraboschi, Ettore; Martina, Silvia; van der Ent, Wietske; Grzyb, Kamil; Gawel, Kinga; Cordero-Maldonado, Maria Lorena; Poovathingal, Suresh K.; Heintz, Sarah; Satheesh, Somisetty Venkata; Brattespe, Jarle; Xu, Ju; Suster, Maximiliano; Skupin, Alexander; Esguerra, Camila V. (Journal article; Peer reviewed, 2020)
      Abstract Objective: To pinpoint the earliest cellular defects underlying seizure onset (epileptogenic period) during perinatal brain development in a new zebrafish model of Dravet syndrome (DS) and to investigate potential ...

    • A new interpretative framework for below-cloud effects on stable water isotopes in vapour and rain 

      Graf, Pascal; Wernli, Heini; Pfahl, Stephan; Sodemann, Harald (Peer reviewed; Journal article, 2019-01-22)
      Raindrops interact with water vapour in ambient air while sedimenting from the cloud base to the ground. They constantly exchange water molecules with the environment and, in sub-saturated air, they evaporate partially or ...

    • A new intracellular bacterium, Candidatus Similichlamydia labri sp. nov. (Chlamydiaceae) producing epitheliocysts in ballan wrasse, Labrus bergylta (Pisces, Labridae) 

      Steigen, Andreas L; Karlsbakk, Egil; Plarre, Heidrun; Watanabe, Kuninori; Øvergård, Aina-Cathrine; Brevik, Øyvind Jakobsen; Nylund, Are (Peer reviewed; Journal article, 2015-03)
      Certain wrasse species (Labridae) are used as cleaner fish in salmon farms on the Norwegian coast, reducing salmon louse intensities. The pathogen repertoire of wrasse in Norway is poorly known, and the objective of the ...

    • New Key-Recovery Attack on Reduced-Round AES 

      Bardeh, Navid Ghaedi; Rijmen, Vincent Stefaan (Journal article; Peer reviewed, 2022)
      A new fundamental 4-round property of AES, called the zero-difference property, was introduced by Rønjom, Bardeh and Helleseth at Asiacrypt 2017. Our work characterizes it in a simple way by exploiting the notion of related ...

    • New layer thickness parameterization of diffusive convection in the ocean 

      Zhou, Sheng-Qi; Lu, Yuan-Zheng; Song, Xue-Long; Fer, Ilker (Peer reviewed; Journal article, 2016-03)
      In the present study, a new parameterization is proposed to describe the convecting layer thickness in diffusive convection. By using in situ observational data of diffusive convection in the lakes and oceans, a wide range ...

    • A New Look at Deformation as a Diagnostic for Large-Scale Flow 

      Spensberger, Clemens; Spengler, Thomas (Peer reviewed; Journal article, 2014-11)
      Deformation plays a key role in atmospheric dynamics because it provides a dynamical measure of the interaction between different scales, such as in frontogenesis. A climatology of deformation constructed from Interim ECMWF ...

    • A new Look at the Electron Diffusion Region in Asymmetric Magnetic Reconnection 

      Hesse, Michael; Norgren, Astrid Elisabet Cecilia; Tenfjord, Paul; James L., Burch; Liu, Yi‐Hsin; Bessho, Naoki; Wang, Shan; Kolstø, Håkon Midthun; Spinnangr, Susanne Flø; Ergun, Robert E; Moretto, Therese; Kwagala, Norah Kaggwa (Journal article; Peer reviewed, 2021)
      A new look at the structure of the electron diffusion region in collision less magnetic reconnection is presented. The research is based on a particle-in-cell simulation of asymmetric magnetic reconnection, which includes ...

    • New Lower Bounds on the Maximum Number of Minimal Connected Vertex Covers 

      Ryland, Ida (Master thesis, 2017-06-20)
      Graphs are important mathematical structures that are used to model many real-life problems. They can, for instance, be used to model relations between objects in a network. An important field of study in graph theory is ...

    • A new method reveals more TGFs in the RHESSI data 

      Gjesteland, Thomas; Østgaard, Nikolai; Collier, A. B.; Carlson, B. E.; Eyles, C.; Smith, D. M. (Peer reviewed; Journal article, 2012-03-07)

    • New method to detect rotation in high-energy heavy-ion collisions 

      Csernai, Laszlo; Svelle, Sindre; Wang, Du-Juan (Peer reviewed; Journal article, 2014-03-31)
      With increasing beam energies the angular momentum of the fireball in peripheral heavy-ion collisions increases, and the proposed differential Hanbury Brown and Twiss analysis is able to estimate this angular momentum ...

    • New methods in Palaeopalynology: Classification of pollen through pollen chemistry 

      Muthreich, Florian (Doctoral thesis, 2021-11-04)
      Pollen grains are one of the primary tools of palaeoecologists to reconstruct vegetation changes in the past. The description, counting and analysis of pollen grains (palynology) has contributed to our understanding of ...

    • A new molecular phylogeny-based taxonomy of parasitic barnacles (Crustacea: Cirripedia: Rhizocephala) 

      Høeg, Jens Thorvald; Noever, Christoph; Rees, David John; Crandall, Keith A.; Glenner, Henrik (Peer reviewed; Journal article, 2019)
      Rhizocephalans are abundant members of marine ecosystems and are important regulators of crustacean host populations. Morphological and ecological variation makes them an attractive system for evolutionary studies of ...

    • A New Ocean State After Nuclear War 

      Harrison, Cheryl S.; Rohr, Tyler; DuVivier, Alice; Maroon, Elizabeth A.; Bachman, Scott; Bardeen, Charles G.; Coupe, Joshua; Garza, Victoria; Heneghan, Ryan; Lovenduski, Nicole S.; Neubauer, Philipp; Rangel, Victor; Robock, Alan; Scherrer, Kim Josefin Niklasdotter; Stevenson, Samantha; Toon, Owen B. (Journal article; Peer reviewed, 2022)
      Nuclear war would produce dire global consequences for humans and our environment. We simulated climate impacts of US-Russia and India-Pakistan nuclear wars in an Earth System Model, here, we report on the ocean impacts. ...

    • New Phenomenological Constraints on the Gaugino Mediation Model 

      Murphy, Nick (Master thesis, 2016-05-31)
      In this thesis, phenomenological consequences of the Gaugino Mediation model for SUSY breaking are explored. First, the very important trilinear coupling is proven to exist in Gaugino Mediation. Then, the parameter space ...

    • A new population of Terrestrial Gamma-ray Flashes 

      Berge, Nini Lykke Susanne Aandahl (Master thesis, 2017-06-21)
      Terrestrial Gamma-ray Flashes (TGFs) consist of large numbers of highenergy photons produced in thunderstorms in connection with the lightning flash, and are the most energetic photon phenomenon naturally occurring on ...