Now showing items 676-695 of 912

    • Retrieval of snow properties from the Sentinel-3 Ocean and Land Colour Instrument 

      Kokhanovsky, Alexander; Lamare, Maxim; Danne, Olaf; Brockmann, Carsten; Dumont, Marie; Picard, Ghislain; Arnaud, Laurent; Favier, Vincent; Jourdain, Bruno; Le Meur, Emmanuel; Di Mauro, Biagio; Aoki, Teruo; Niwano, Masashi; Rozanov, Vladimir; Korkin, Sergey; Kipfstuhl, Sepp; Freitag, Johannes; Hoerhold, Maria; Zuhr, Alexandra; Vladimirova, Diana; Faber, Anne-Katrine; Steen-Larsen, Hans Christian; Wahl, Sonja; Andersen, Jonas K.; Vandecrux, Baptiste; van As, Dirk; Mankoff, Kenneth D.; Kern, Michael; Zege, Eleonora; Box, Jason E. (Journal article, 2019)
      The Sentinel Application Platform (SNAP) architecture facilitates Earth Observation data processing. In this work, we present results from a new Snow Processor for SNAP. We also describe physical principles behind the ...
    • A review of air-ice chemical and physical interactions (AICI): Liquids, quasi-liquids, and solids in snow 

      Bartels-Rausch, Thorsten; Jacobi, Hans-Werner; Kahan, Tara F.; Thomas, Jennie L.; Thomson, Erik S.; Abbatt, Jonathan P.D.; Ammann, Markus; Blackford, Jane R.; Bluhm, Hendrik; Boxe, Christopher S.; Dominé, Florent; Frey, Markus M.; Gladich, Ivan; Guzmán, Marcelo I.; Heger, Dominik; Huthwelker, Thomas; Klán, Petr; Kuhs, Werner F.; Kuo, Min H.; Maus, Sønke; Moussa, Samar G.; McNeill, V. Faye; Newberg, John T.; Pettersson, Jan B.C.; Roeselovà, Martina; Sodeau, John R. (Peer reviewed; Journal article, 2014-02-12)
      Snow in the environment acts as a host to rich chemistry and provides a matrix for physical exchange of contaminants within the ecosystem. The goal of this review is to summarise the current state of knowledge of physical ...
    • A revised ocean glider concept to realize Stommel's vision and supplement Argo floats 

      Bruvik, Erik Magnus; Fer, Ilker; Våge, Kjetil; Haugan, Peter M. (Journal article; Peer reviewed, 2020-02)
      This paper revisits Stommel's vision for a global glider network and the Argo design specification. A concept of floats with wings, so-called slow underwater gliders, is explored. An analysis of the energy or power consumption ...
    • The Role of Atlantic Heat Transport in Future Arctic Winter Sea Ice Loss 

      Årthun, Marius; Eldevik, Tor; Smedsrud, Lars H. (Peer reviewed; Journal article, 2019-05-14)
      During recent decades Arctic sea ice variability and retreat during winter have largely been a result of variable ocean heat transport (OHT). Here we use the Community Earth System Model (CESM) large ensemble simulation ...
    • Role of atmosphere-ocean interactions in supermodeling the tropical Pacific climate 

      Shen, Mao-Lin; Keenlyside, Noel; Bhatt, Bhuwan Chandra; Duane, Gregory (Peer reviewed; Journal article, 2017-12-29)
      The supermodel strategy interactively combines several models to outperform the individual models comprising it. A key advantage of the approach is that nonlinear improvements can be achieved, in contrast to the linear ...
    • The role of land and ocean evaporation on the variability of precipitation in the Yangtze River valley 

      Fremme, Astrid Kristine; Sodemann, Harald (Peer reviewed; Journal article, 2019-06-04)
      The Yangtze River valley (YRV) experiences large intraseasonal and interannual precipitation variability, which is mainly due to East Asian monsoon influence. The East Asian monsoon is caused by interaction of many processes ...
    • The role of the Southern Ocean in past global biogeochemical cycling 

      Morée, Anne (Doctoral thesis, 2020-04-27)
      This thesis describes several recent advances on the role of the Southern Ocean in past global biogeochemical cycling. We focus on the ocean of the Last Glacial Maximum (LGM) and the Pleistocene epoch and apply proxies of ...
    • The Role of the Stratosphere in Subseasonal to Seasonal Prediction: 1. Predictability of the Stratosphere 

      Domeisen, Daniela; Butler, Amy; Charlton-Perez, Andrew; Ayarzaguena, Blanca; Baldwin, Mark; Dunn-Sigouin, Etienne; Furtado, Jason; Garfinkel, Chaim; Hitchcock, Peter; Karpechko, Alexey; Kim, Hera; Knight, Jeff; Lang, Andrea; Lim, Eun-Pa; Marshall, Andrew; Roff, Greg; Schwartz, Chen; Simpson, Isla; Son, Seok-Woo; Taguchi, Masakazu (Journal article; Peer reviewed, 2019-11-18)
      The stratosphere has been identified as an important source of predictability for a range of processes on subseasonal to seasonal (S2S) time scales. Knowledge about S2S predictability within the stratosphere is however ...
    • The Role of the Stratosphere in Subseasonal to Seasonal Prediction: 2. Predictability Arising From Stratosphere-Troposphere Coupling 

      Domeisen, Daniela; Butler, Amy; Charlton-Perez, Andrew; Ayarzaguena, Blanca; Baldwin, Mark; Dunn-Sigouin, Etienne; Furtado, Jason; Garfinkel, Chaim; Hitchcock, Peter; Karpechko, Alexey; Kim, Hera; Knight, Jeff; Lang, Andrea; Lim, Eun-Pa; Marshall, Andrew; Roff, Greg; Schwartz, Chen; Simpson, Isla; Son, Seok-Woo; Taguchi, Masakazu (Journal article; Peer reviewed, 2020)
      The stratosphere can have a significant impact on winter surface weather on subseasonal to seasonal (S2S) timescales. This study evaluates the ability of current operational S2S prediction systems to capture two important ...
    • The role of transmission and energy storage in European decarbonization towards 2050 

      Golombek, Rolf; Lind, Arne; Ringkjøb, Hans-Kristian; Seljom, Pernille Merethe Sire (Journal article; Peer reviewed, 2021)
      This paper presents analyses of the development of the European electricity sector that is in line with the climate and energy targets of the European Union for 2030 and 2050. The role of energy storage and transmission ...
    • Role of volcanic forcing on future global carbon cycle 

      Tjiputra, Jerry; Otterå, Odd Helge (Peer reviewed; Journal article, 2011-06-16)
      Using a fully coupled global climate-carbon cycle model, we assess the potential role of volcanic eruptions on future projection of climate change and its associated carbon cycle feedback. The volcanic-like forcings are ...
    • Role of wind stress in driving SST biases in the tropical Atlantic 

      Voldoire, Aurore; Exarchou, Eleftheria; Sánchez-Gómez, Emilia; Demissie, Teferi Dejene; Deppenmeier, Anna-Lena; Frauen, Claudia; Goubanova, Katarina; Hazeleger, Wilco; Keenlyside, Noel; Koseki, Shunya; Prodhomme, Chloé; Shonk, Jonathan; Toniazzo, Thomas; Traoré, Abdoul-Khadre (Journal article; Peer reviewed, 2019-03-13)
      Coupled climate models used for long-term future climate projections and seasonal or decadal predictions share a systematic and persistent warm sea surface temperature (SST) bias in the tropical Atlantic. This study attempts ...
    • The SailBuoy remotely-controlled unmanned vessel: Measurements of near surface temperature, salinity and oxygen concentration in the Northern Gulf of Mexico 

      Ghani, Mahmud Hasan; Hole, Lars R; Fer, Ilker; Kourafalou, Vassiliki H.; Wienders, Nicolas; Kang, HeeSook; Drushka, Kyla; Peddie, David (Peer reviewed; Journal article, 2014-09)
      An experimental deployment of a new type of unmanned vessel is presented. The Christian Michelsen Research SailBuoy, a remotely-controlled surface vehicle, sampled near-surface properties during a two-month mission in the ...
    • Satellite and Ground Observations of Snow Cover in Tibet during 2001–2015 

      Basang, Droma; Barthel, Knut; Olseth, Jan Asle (Peer reviewed; Journal article, 2017-11-22)
      The seasonal snow cover of the Tibetan Plateau exerts a profound environmental influence both regionally and globally. Daily observations of snow depth at 37 meteorological stations in Tibet and MODIS eight-day snow products ...
    • A Satellite Era Warming Hole in the Equatorial Atlantic Ocean 

      Nnamchi, Hyacinth C; Latif, Mojib; Keenlyside, Noel; Park, Wonsun (Journal article; Peer reviewed, 2020)
      Observations during the satellite era 1979–2018 only depict small sea surface temperature (SST) trends over the Equatorial Atlantic cold tongue region in boreal summer. This lack of surface warming of the cold tongue, ...
    • Satellite monitoring of algal blooms in Norwegian coastal waters 

      Folkestad, Are (Doctoral thesis, 2006-02-23)
    • Scaling the decay of turbulence kinetic energy in the free-convective boundary layer 

      El Guernaoui, Omar; Reuder, Joachim; Ezau, Igor; Wolf, Tobias; Maronga, Bjørn (Peer reviewed; Journal article, 2019)
      We investigate the scaling for decaying turbulence kinetic energy(TKE) in the free-convective boundary layer, from the time the surface heat flux starts decaying, until a few hours after it has vanished. We conduct a set ...
    • Sea ice cover in Isfjorden and Hornsund, Svalbard (2000–2014) from remote sensing data 

      Muckenhuber, Stefan; Nilsen, Frank; Korosov, Anton; Sandven, Stein (Peer reviewed; Journal article, 2016-01-19)
      A satellite database including 16 555 satellite images and ice charts displaying the area of Isfjorden, Hornsund, and the Svalbard region has been established with focus on the time period 2000–2014. 3319 manual interpretations ...
    • Sea ice thermohaline dynamics and biogeochemistry in the Arctic Ocean: Empirical and model results 

      Duarte, Pedro; Meyer, Amelie; Olsen, Lasse Mork; Kauko, Hanna Maria; Assmy, Philipp; Rösel, Anja; Itkin, Polona; Hudson, Stephen R.; Granskog, Mats A.; Gerland, Sebastian; Sundfjord, Arild; Steen, Harald; Hop, Haakon; Cohen, Lana; Peterson, Algot Kristoffer; Jeffery, Nicole; Elliott, Scott M.; Hunke, Elizabeth Clare; Turner, Adrian K. (Peer reviewed; Journal article, 2017-07)
      Large changes in the sea ice regime of the Arctic Ocean have occurred over the last decades justifying the development of models to forecast sea ice physics and biogeochemistry. The main goal of this study is to evaluate ...