Now showing items 46-65 of 906

    • Arctic Sea level Budget Assessment During the GRACE/Argo Time Period 

      Raj, Roshin Pappukutty; Andersen, Ole Baltazar; Johannessen, Johnny Andre; Benjamin, Gutknech; Chatterjee, Sourav; Rose, Stine; Bonaduce, Antonio; Horwath, Martin; Ranndal, Heidi; Richter, Kristin; Palanisamy, Hindumathi; Ludwigsen, Carsten; Bertino, Laurent; Nilsen, Jan Even Øie; Knudsen, Per; Hogg, Anna E.; Cazenave, Anny; Benveniste, Jérôme (Journal article; Peer reviewed, 2020)
      Sea level change is an important indicator of climate change. Our study focuses on the sea level budget assessment of the Arctic Ocean using: (1) the newly reprocessed satellite altimeter data with major changes in the ...
    • The Arctic Summer Cloud Ocean Study (ASCOS): Overview and experimental design 

      Tjernström, Michael; Leck, Caroline; Birch, Cathryn E.; Bottenheim, Jan W.; Brooks, Barbara J.; Brooks, Ian M.; Bäcklin, Leif; Chang, Rachel; de Leeuw, Gerrit; Di Liberto, Luca; De La Rosa, Sara; Granath, Eva; Graus, Martin; Hänsel, Armin; Heintzenberg, Jost; Held, Andreas; Hind, Andrew; Johnston, Paul; Knulst, Johan C.; Martin, Maria; Matrai, Patricia A.; Mauritsen, Thorsten; Müller, Markus; Norris, Sarah J.; Orellana, Mónica V.; Orsini, Douglas A.; Paatero, Jussi; Persson, P. Ola G.; Gao, Qiuju; Rauschenberg, Carlton; Ristovski, Zoran; Sedlař, Joseph; Shupe, Matthew D.; Sierau, Berko; Sirevaag, Anders; Sjögren, Staffan; Stetzer, Olaf; Swietlicki, Erik; Szczodrak, Malgorzata; Vaattovaara, Petri; Wahlberg, Nils; Westberg, Maria; Wheeler, Cassie R. (Peer reviewed; Journal article, 2014-03-19)
      The climate in the Arctic is changing faster than anywhere else on earth. Poorly understood feedback processes relating to Arctic clouds and aerosol–cloud interactions contribute to a poor understanding of the present ...
    • Arctic tidal current atlas 

      Baumann, Till Martin; Polyakov, Igor V.; Padman, Laurie; Danielson, Seth L.; Fer, Ilker; Janout, Markus; Williams, William; Pnyushkov, Andrey V. (Journal article; Peer reviewed, 2020)
      Tidal and wind-driven near-inertial currents play a vital role in the changing Arctic climate and the marine ecosystems. We compiled 429 available moored current observations taken over the last two decades throughout the ...
    • Arctic/Atlantic exchanges via the Subpolar Gyre 

      Langehaug, Helene Reinertsen; Medhaug, Iselin; Eldevik, Tor; Otterå, Odd Helge (Peer reviewed; Journal article, 2012)
      In the present study we investigate the decadal variability in the strength and shape of the Subpolar Gyre (SPG) in a 600-year pre-industrial simulation using the Bergen Climate Model. The atmospheric influence on the SPG ...
    • Aspects on interactions between mid- to high latitude atmospheric circulation and some surface processes 

      Byrkjedal, Øyvind (Doctoral thesis, 2006-06-08)
      The Arctic is a hot topic in Climate Research. A large number of signs of a warming Arctic Climate have been identified the latest years. This is of major concern in light of the increasing atmospheric content of greenhouse ...
    • Assessing the Sampling Quality of a Low-Tech Low-Budget Volume-Based Rainfall Sampler for Stable Isotope Analysis 

      Fischer, Benjamin M C; Aemisegger, Franziska; Graf, Pascal; Sodemann, Harald; Seibert, Jan (Peer reviewed; Journal article, 2019-09-27)
      To better understand the small-scale variability of rainfall and its isotopic composition it is advantageous to utilize rain samplers which are at the same time low-cost, low-tech, robust, and precise with respect to the ...
    • Assessment of Atmospheric Reanalyses With Independent Observations in the Weddell Sea, the Antarctic 

      Jonassen, Marius Opsanger; Valisuo, Ilona; Vihma, Timo; Uotila, Petteri; Makshtas, Alexander, P.; Launiainen, Jouko (Peer reviewed; Journal article, 2019)
      Surface layer and upper‐air in situ observations from two research vessel cruises and an ice station in the Weddell Sea from 1992 and 1996 are used to validate four current atmospheric reanalysis products: ERA‐Interim, ...
    • An assessment of future extreme precipitation in western Norway using a linear model 

      Caroletti, Giulio Nils; Barstad, Ida (Peer reviewed; Journal article, 2010-11-26)
      A Linear Model (Smith and Barstad, 2004) was used to dynamically downscale Orographic Precipitation over western Norway from twelve General Circulation Model simulations. The GCM simulations come from the A1B emissions ...
    • Assessment of wind conditions at a fjord inlet by complementary use of sonic anemometers and lidars 

      Jakobsen, Jasna Bogunovic; Cheynet, Etienne; Snæbjörnsson, Jonas Thor; Mikkelsen, Torben; Sjøholm, Mikael; Angelou, Nicolas; Hansen, Per; Mann, Jakob; Svardal, Benny; Kumer, Valerie-Marie; Reuder, Joachim (Peer reviewed; Journal article, 2015-12-02)
      Wind velocity measurement devices based on the remote optical sensing, lidars, are extensively applied in wind energy research and wind farm operation. The present paper demonstrates the relevance and potential of lidar ...
    • The Atlantic inflow across the Greenland-Scotland ridge in global climate models (CMIP5) 

      Heuzé, Céline; Årthun, Marius (Peer reviewed; Journal article, 2019-05-21)
      Oceanic heat transport from the North Atlantic to the Arctic through the Nordic Seas is a key component of the climate system that has to be modelled accurately in order to predict, for example, future Arctic sea ice changes ...
    • Atlantic Meridional Overturning Circulation and δ13C Variability During the Last Interglacial 

      Kessler, Augustin; Bouttes, Nathaelle; Roche, Didier M.; Ninnemann, Ulysses Silas; Galaasen, Eirik Vinje; Tjiputra, Jerry (Peer reviewed; Journal article, 2020)
      The Atlantic Meridional Overturning Circulation (AMOC) is thought to be relatively vigorous and stable during Interglacial periods on multimillennial (equilibrium) timescales. However, recent proxy (δ13C benthic) reconstructions ...
    • Atlantic Multidecadal Oscillation modulates the impacts of Arctic sea ice decline 

      Li, Fei; Orsolini, Yvan; Wang, Huijun; Gao, Yongqi; He, Shengping (Peer reviewed; Journal article, 2018-03)
      The Arctic sea ice cover has been rapidly declining in the last two decades, concurrent with a shift in the Atlantic Multidecadal Oscillation (AMO) to its warm phase around 1996/1997. Here we use both observations and model ...
    • Atlantic Multidecadal Variability (AMV) in the Norwegian Earth System model 

      Vågane, Julie Solsvik (Master thesis, 2020-06-26)
      The causes of low-frequency sea surface temperature (SST) variations in the Atlantic, known as Atlantic Multidecadal Variability (AMV), are debated. AMV has climatic impacts on for instance hurricane activity and Sahel ...
    • Atlantic thermohaline changes and its implications on the carbon cycle during the Last Interglacial 

      Kessler, Augustin (Doctoral thesis, 2020-06-16)
      Large and abrupt changes in the Earth’s climate have been recorded in marine records and Greenland ice cores and mostly characterize the last glacial period. These sudden transitions of climate, occurring within a few ...
    • The Atlantic Water flow along the Vøring Plateau: Detecting frontal structures in oceanic station time series 

      Nilsen, Jan Even Øie; Nilsen, Frank (Deep-Sea Research 54(3), 2007-01-13)
      The topographic steering of the baroclinic western branch of the Norwegian Atlantic Current (NwAC) determines the extent of Atlantic Water and location of the Arctic Front in the Nordic Seas. In this paper the geographical ...
    • Atlantic Water in the Arctic Ocean - Mechanisms and Impacts 

      Muilwijk, Morven Korneel (Doctoral thesis, 2021-08-19)
      The Arctic Ocean plays a fundamental role in regulating Earth’s climate, and a changing Arctic will affect climate, weather, and life everywhere on the planet. Understanding the fundamental dynamics and mechanisms driving ...
    • Atlantic Water Pathways Along the North-Western Svalbard Shelf Mapped Using Vessel-Mounted Current Profilers 

      Menze, Sebastian; Ingvaldsen, Randi Brunvær; Haugan, Peter M.; Fer, Ilker; Sundfjord, Arild; Beszczynska-Moeller, Agnieszka; Falk-Petersen, Stig (Peer reviewed; Journal article, 2019-03)
      A large amount of warm Atlantic water (AW) enters the Arctic as a boundary current through Fram Strait (West Spitsbergen Current [WSC]) and is the major oceanic heat source to the Arctic Ocean. Along the north‐western ...
    • Atlantic water transformation along its poleward pathway across the Nordic Seas 

      Bosse, Anthony; Fer, Ilker; Søiland, Henrik; Thomas, Rossby (Peer reviewed; Journal article, 2018-08-23)
      The warm and salty Atlantic Water is substantially modified along its poleward transit across the Nordic Seas, where it reaches deeper isopycnals. In particular, the Lofoten Basin, exposed to intense air‐sea interactions, ...
    • An Atlantic-driven rapid circulation change in the North Pacific Ocean during the late 1990s 

      Wu, Chau-Ron; Lin, Yong-Fu; Wang, You-Lin; Keenlyside, Noel; Yu, Jin-Yi (Peer reviewed; Journal article, 2019-10-08)
      Interbasin interactions have been increasingly emphasized in recent years due to their roles in shaping climate trends and the global warming hiatus in the northern hemisphere. The profound influence from the North Atlantic ...