Browsing Faculty of Mathematics and Natural Sciences by Title

Now showing items 9369-9388 of 9540

    • W and Z boson production in p–Pb collisions at \(\sqrt{s_{\rm NN}}=5.02\) TeV 

      Adam, Jaroslav; Adamová, Dagmar; Aggarwal, Madan M.; Aglieri Rinella, G; Agnello, Michelangelo; Agrawal, Nikita; Ahammed, Zubayer; Ahmad, N; Ahn, SU; Alme, Johan; Altinpinar, Sedat; Arsene, Ionut Christian; Bätzing, Paul Christoph; Dordic, Olja; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Lønne, Per-Ivar; Mahmood, Sohail Musa; Milosevic, Jovan; Nystrand, Joakim; Qvigstad, Henrik; Rehman, Attiq Ur; Richter, Matthias Rudolph; Røed, Ketil; Røhrich, Dieter; Tveter, Trine Spedstad; Ullaland, Kjetil; Velure, Arild; Wagner, Boris; Wikne, Jon Christopher; Zhang, Hui; Zhao, Chengxin; Zhou, Zhuo; Zhu, Hongsheng; Langøy, Rune; Lien, Jørgen André; Aiola, Salvatore; Akindinov, Alexander; Alam, Sk Noor; De Albuquerque, Danilo Silva; Aleksandrov, Dimitry; Allesandro, B.; Alexandre, D; Alfaro Molina, R; Alici, A; Alkin, A; ALICE, Collaboration (Peer reviewed; Journal article, 2017-02)
      The W and Z boson production was measured via the muonic decay channel in proton-lead collisions at \(\sqrt{s_{\rm NN}}=5.02\) TeV at the Large Hadron Collider with the ALICE detector. The measurement covers backward ...

    • Walk Your Tree Any Way You Want 

      Bagge, Anya Helene; Lämmel, Ralf (Lecture Notes in Computer Science; 7909, Chapter; Peer reviewed, 2013)
      Software transformations in the Nuthatch style are described as walks over trees (possibly graphs) that proceed in programmerdefined steps which may observe join points of the walk, may observe and affect state associated ...

    • Warm air intrusions reaching the MOSAiC expedition in April 2020- The YOPP targeted observing period (TOP) 

      Svensson, Gunilla; Murto, Sonja; Shupe, Matthew D.; Pithan, Felix; Magnusson, Linus; Day, Jonathan J.; Doyle, James D.; Renfrew, Ian A.; Spengler, Thomas; Vihma, Timo (Journal article; Peer reviewed, 2023)
      In the spring period of the Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition, an initiative was in place to increase the radiosounding frequency during warm air intrusions in the ...

    • Warm Atlantic water explains observed sea ice melt rates north of Svalbard 

      Duarte, Pedro; Sundfjord, Arild; Meyer, Amelie; Hudson, Stephen; Spreen, Gunnar; Smedsrud, Lars Henrik (Journal article; Peer reviewed, 2020)
      Warm Atlantic water (AW) that flows northward along the Svalbard west coast is thought to transport enough heat to melt regional Arctic sea ice effectively. Despite this common assumption, quantitative requirements necessary ...

    • Warm Circumpolar Deep Water at the Western Getz Ice Shelf Front, Antarctica 

      Assmann, Karen; Darelius, Elin Maria K.; Wåhlin, Anna K.; Kim, Tae Wan; Lee, Sang Hoon (Peer reviewed; Journal article, 2019-01-04)
      The Getz Ice Shelf is one of the largest sources of fresh water from ice shelf basal melt in Antarctica. We present new observations from three moorings west of Siple Island 2016–2018. All moorings show a persistent flow ...

    • Warm Middle Miocene Indian Ocean Bottom Water Temperatures: Comparison of Clumped Isotope and Mg/Ca‐Based Estimates 

      Modestou, Sevasti Eleni; Leutert, Thomas Jan; Bremer, Alvaro Fernandez; Lear, Caroline H.; Meckler, Anna Nele (Journal article; Peer reviewed, 2020)
      The middle Miocene is an important analogue for potential future warm climates. However, few independent deep ocean temperature records exist, though these are important for climate model validation and estimates of changes ...

    • Warmer and Wetter Winters over the high-latitude North Atlantic : an atmospheric circulation perspective 

      Wickström, Siiri (Doctoral thesis, 2020-05-19)
      The high-latitude North Atlantic -especially the Svalbard archipelago and its surrounding seas - has undergone remarkable changes in the last half-century. These regions are recognized as a hotspot of the Arctic Amplification, ...

    • Warming beneath an East Antarctic ice shelf due to increased subpolar westerlies and reduced sea ice 

      Lauber, Julius; Hattermann, Tore; de Steur, Laura; Chiche, Elin Maria Kristina Darelius; Auger, Matthis; Nøst, Ole Anders; Moholdt, Geir (Journal article; Peer reviewed, 2023)
      Understanding how climate change influences ocean-driven melting of the Antarctic ice shelves is one of the greatest challenges for projecting future sea level rise. The East Antarctic ice shelf cavities host cold water ...

    • Warming of Atlantic Water in two west Spitsbergen fjords over the last century (1912-2009) 

      Pavlov, Alexey K.; Tverberg, Vigdis; Ivanov, Boris; Nilsen, Frank; Falk-Petersen, Stig; Granskog, Mats A. (Peer reviewed; Journal article, 2013-05-06)
      The recently observed warming of west Spitsbergen fjords has led to anomalous sea-ice conditions and has implications for the marine ecosystem. We investigated long-term trends of maximum temperature of Atlantic Water (AW) ...

    • Warming, drought, and disturbances lead to shifts in functional composition: A millennial-scale analysis for Amazonian and Andean sites 

      van der Sande, Masha T.; Bush, Mark B.; Åkesson, Christine M.; Berrio, Juan Carlos; Correia Metrio, Alex; Flantua, Suzette; Hooghiemstra, Henry; Maezumi, S. Yoshi; McMichael, Crystal N. H.; Montoya, Encarni; Mosblech, Nicole A. S.; de Novaes Nascimento, Majoi; Peña-Claros, Marielos; Poorter, Lourens; Raczka, Marco F.; Gosling, William D. (Journal article; Peer reviewed, 2023)
      Tropical forests are changing in composition and productivity, probably in response to changes in climate and disturbances. The responses to these multiple environmental drivers, and the mechanisms underlying the changes, ...

    • Was common Era glacier expansion in the Arctic Atlantic region triggered by unforced atmospheric cooling? 

      Haaga, Kristian Agasøster; Bilt, Willem van der; Born, Andreas (Peer reviewed; Journal article, 2019-08-05)
      The timing and causes of Common Era (CE) glacier growth in the Arctic Atlantic region remain elusive. There is mounting evidence of advances that predate the Little Ice Age (1250–1850 CE); this challenges the view that ...

    • A water droplet-powered sensor based on charge transfer to a flow-through front surface electrode 

      Helseth, Lars Egil (Journal article; Peer reviewed, 2020)
      A water droplet sensor based on a flow-through front surface electrode is demonstrated. It is shown that a triboelectric nanogenerator based on a metal-dielectric junction can be utilized to construct simple, self-powered ...

    • Water Flow Requirements of Post-smolt Atlantic Salmon (Salmo salar L.) Reared in Intensive Seawater Flow-through Systems: A Physiological Perspective 

      Calabrese, Sara; Imsland, Albert K. D.; Nilsen, Tom Ole; Kolarevic, Jelena; Ebbesson, Lars O.E.; Hosfeld, Camilla Diesen; Fivelstad, Sveinung; Pedrosa, Cindy; Terjesen, Bendik Fyhn; Stefansson, Sigurd O.; Takle, Harald Rune; Sveier, Harald; Mathisen, Frode; Handeland, Sigurd Olav (Journal article; Peer reviewed, 2023)
      Environmental challenges related to open sea cage production of Atlantic salmon have sparked interest in developing commercial-scale semi-closed sea systems for post-smolt Atlantic salmon (100–1000 g). Determining the ...

    • Water level fluctuations and the ecosystem functioning of lakes 

      Gownaris, Natasha J.; Rountos, Konstantine J.; Kaufman, Les; Kolding, Jeppe; Lwiza, Kamazima M.M.; Pikitch, Ellen K. (Peer reviewed; Journal article, 2018-08-28)
      Hydrological regimes are key drivers of productivity and structure in freshwater ecosystems but are increasingly impacted by human activity. Using 17 published food web models of 13 African lakes as a case study, we explored ...

    • Water mass exchange in the sea west of Svalbard. A process study of flow instability and vortex generated heat fluxes in the West Spitsbergen Current 

      Teigen, Sigurd Henrik (Doctoral thesis, 2011-06-16)

    • Water mass exchange, pathways and the mesoscale eddy field in the Lofoten Basin of the Norwegian Sea 

      Dugstad, Johannes Sandanger (Doctoral thesis, 2020-11-05)
      The Lofoten Basin situated in the Norwegian Sea, plays a central role in redistributing and modifying the warm Atlantic Water carried poleward with the Norwegian Atlantic Current. Increased residence time of the warm ...

    • Water mass modification in an Arctic fjord through cross-shelf exchange: The seasonal hydrography of Kongsfjorden, Svalbard 

      Cottier, Finlo; Tverberg, Vigdis; Inall, Mark; Svendsen, Harald; Nilsen, Frank; Griffiths, Colin (Journal article, 2005-12-08)
      Kongsfjorden and the West Spitsbergen Shelf is a region whose seasonal hydrography is dominated by the balance of Atlantic Water, Arctic waters, and glacial melt. Regional seasonality and the cross-shelf exchange processes ...

    • Water mass modification over the continental shelf north of Ronne Ice Shelf, Antarctica 

      Nicholls, Keith W.; Padman, L.; Schröder, Michael; Woodgate, R. A.; Jenkins, Adrian; Østerhus, Svein (Journal article, 2003-08-13)
      We use new data from the southern Weddell Sea continental shelf to describe water mass conversion processes in a formation region for cold and dense precursors of Antarctic Bottom Water. The cruises took place in early ...

    • Water mass transformation and the North Atlantic Current in three multi-century climate model simulations 

      Langehaug, Helene Reinertsen; Rhines, Peter B.; Eldevik, Tor; Mignot, Juliette; Lohmann, Katja (Journal article, 2012-11)
      The warm and saline Subtropical Water carried by the North Atlantic Current undergoes substantial transformation on its way to higher latitudes as heat is released from ocean to atmosphere. The geographical distribution ...

    • Water mass transformation in the Greenland Sea during the period 1986-2016 

      Brakstad, Ailin; Våge, Kjetil; Håvik, Lisbeth; Moore, G.W.K. (Peer reviewed; Journal article, 2019-01)
      Hydrographic measurements from ships, autonomous profiling floats, and instrumented seals over the period 1986–2016 are used to examine the temporal variability in open-ocean convection in the Greenland Sea during winter. ...