Blar i Geophysical Institute på tittel

Viser treff 1019-1038 av 1187

    • Subsea permafrost carbon stocks and climate change sensitivity estimated by expert assessment 

      Sayedi, Sayedeh Sara; Abbott, Benjamin W.; Thornton, Brett F.; Frederick, Jennifer M.; Vonk, Jorien E.; Overduin, Paul; Schädel, Christina; Schuur, Edward A.G.; Bourbonnais, Annie; Demidov, Nikita; Gavrilov, Anatoly; He, Shengping; Hugelius, Gustaf; Jakobsson, Martin; Jones, Miriam C.; Joung, DongJoo; Kraev, Gleb; Macdonald, Robie W.; McGuire, A. David; Mu, Cuicui; O'Regan, Matt; Schreiner, Kathryn M.; Stranne, Christian; Pizhankova, Elena; Vasiliev, Alexander; Westermann, Sebastian; Zarnetske, Jay P.; Zhang, Tingjun; Ghandehari, Mehran; Baeumler, Sarah; Brown, Brian C.; Frei, Rebecca J. (Journal article; Peer reviewed, 2020)
      The continental shelves of the Arctic Ocean and surrounding seas contain large stocks of organic matter (OM) and methane (CH4), representing a potential ecosystem feedback to climate change not included in international ...

    • Subsurface maxima in buoyant fish eggs indicate vertical velocity shearand spatially limited spawning grounds 

      Strand, Kjersti Opstad; Vikebø, Frode Bendiksen; Sundby, Svein; Sperrevik, Ann Kristin; Breivik, Øyvind (Peer reviewed; Journal article, 2019-05)
      Observed vertical profiles of buoyant particles, in this case pelagic Northeast Arctic (NEA) cod eggs, occasionally deviate from the vertical diffusion‐buoyancy balance by displaying subsurface maxima. Here, we present a ...

    • Sudanese Coastal Water- Composition and Some Environmental Aspects 

      Ali, Aasim Musa Mohamed (Master thesis, 2012-09-24)
      Red Sea water samples were collected from four stations in the Sudanese coast at depth of 10 m during July 2011 and analyzed for major ions and trace metals in order to determine their insitu concentration, their distribution ...

    • Sudden, local temperature increase above the continental slope in the southern Weddell Sea, Antarctica 

      Darelius, Elin Maria K.; Dundas, Vår Iren Hjorth; Janout, Markus; Tippenhauer, Sandra (Journal article; Peer reviewed, 2023)
      Around most of Antarctica, the Circumpolar Deep Water (CDW) shows a warming trend. At the same time, the thermocline is shoaling, thereby increasing the potential for CDW to enter the shallow continental shelves and ...

    • Summer rains in northeast Bangladesh: Onset and triggering mechanisms 

      Ssemujju, Musa (Master thesis, 2016-06-01)
      The aim of this study is to shed light on convective triggering mechanisms around the onset of the summer rains in Northeast Bangladesh. We want to understand this rainfall since it has a large impact on the local climate, ...

    • Summertime M2 Internal Tides in the Northern Yellow Sea 

      Lin, Fan; Asplin, Lars; Wei, Hao (Journal article; Peer reviewed, 2021)
      The summertime M2 internal tide in the northern Yellow Sea is investigated with moored current meter observations and numerical current model results. The hydrodynamic model, which is implemented from the Regional Ocean ...

    • Super-resolution data assimilation 

      Barthelemy, Sebastien Jean-Claude; Brajard, Julien; Bertino, Laurent; Counillon, Francois Stephane (Journal article; Peer reviewed, 2022)
      Increasing model resolution can improve the performance of a data assimilation system because it reduces model error, the system can more optimally use high-resolution observations, and with an ensemble data assimilation ...

    • Supercooled Southern Ocean Waters 

      Haumann, F. Alexander; Moorman, Ruth; Riser, Stephen C.; Smedsrud, Lars H.; Maksym, Ted; Wong, Annie P. S.; Wilson, Earle A.; Drucker, Robert; Talley, Lynne D.; Johnson, Kenneth S.; Key, Robert M.; Sarmiento, Jorge L. (Journal article; Peer reviewed, 2020)
      In cold polar waters, temperatures sometimes drop below the freezing point, a process referred to as supercooling. However, observational challenges in polar regions limit our understanding of the spatial and temporal ...

    • Supermodeling Improving Predictions with an Ensemble of Interacting Models 

      Schevenhoven, Francine Janneke; Keenlyside, Noel Sebastian; Counillon, Francois Stephane; Gupta, Alok Kumar; Koseki, Shunya; Shen, Mao-Lin (Journal article; Peer reviewed, 2023)
      The modeling of weather and climate has been a success story. The skill of forecasts continues to improve and model biases continue to decrease. Combining the output of multiple models has further improved forecast skill ...

    • Supermodeling: Synchronization of Alternative Dynamical Models of a Single Objective Process 

      Duane, Gregory; Wiegerinck, Wim; Selten, Frank; Shen, Mao-Lin; Keenlyside, Noel (Chapter, 2018)
      Imperfect models of the same objective process give an improved representation of that process, from which they assimilate data, if they are also coupled to one another. Inter-model coupling, through nudging, or more ...

    • Suppressed eddy driving during southward excursions of the North Atlantic jet on synoptic to seasonal time scales 

      Madonna, Erica; Li, Camille; Wettstein, Justin (Peer reviewed; Journal article, 2019-09-05)
      Jet streams shape midlatitude weather and climate. The North Atlantic jet is mainly eddy‐driven, with frequent north–south excursions on synoptic time scales arising from eddy forcings and feedbacks. There are, however, ...

    • Surface drift in the South Pacific Gyre: Observations and simulations of drifters and plastic 

      Bergland, Astrid (Master thesis, 2022-08-12)
      The objective of this thesis is to investigate the residence times and behavior of microplastics and macroplastics in the southern Pacific Ocean. I use the open- source Lagrangian particle tracking framework OpenDrift to ...

    • Surface Ocean CO2 Atlas (SOCAT) gridded data products 

      Sabine, C. L.; Hankin, S.; Koyuk, H.; Bakker, D. C. E.; Pfeil, Benjamin; Olsen, Are; Metzl, N.; Kozyr, A.; Fassbender, A.; Manke, A.; Malczyk, J.; Akl, J.; Alin, S. R.; Bellerby, Richard; Borges, A.; Boutin, J.; Brown, P. J.; Cai, W.-J.; Chavez, F. P.; Chen, A.; Cosca, C.; Feely, R. A.; González-Dávila, M.; Goyet, C.; Hardman-Mountford, N.; Heinze, Christoph; Hoppema, M.; Hunt, C. W.; Hydes, D.; Ishii, M.; Johannessen, Truls; Key, R.M.; Körtzinger, A.; Landschützer, P.; Lauvset, Siv Kari; Lefévre, N.; Lenton, A.; Lourantou, A.; Merlivat, L.; Midorikawa, T.; Mintrop, L.; Miyazaki, C.; Murata, A.; Nakadate, A.; Nakano, Y.; Nakaoka, S.; Nojiri, Y.; Omar, Abdirahman; Padin, X. A.; Park, G.-H.; Paterson, K.; Perez, F. F.; Pierrot, D.; Poisson, A.; Rios, A.F.; Salisbury, J.; Santana-Casiano, J. M:; Sarma, V. V. S. S.; Schlitzer, R.; Schneider, B.; Schutser, U.; Sieger, R.; Skjelvan, Ingunn; Steinhoff, T.; Suzuki, T.; Takahashi, T.; Tedesco, K.; Telszewski, M.; Thomas, H.; Tilbrook, B.; Vandemark, D.; Veness, T.; Watson, A. J.; Weiss, R.; Wong, C.S.; Yoshikawa-Inoue, H. (Peer reviewed; Journal article, 2013-04-04)
      As a response to public demand for a well-documented, quality controlled, publically available, global surface ocean carbon dioxide (CO2) data set, the international marine carbon science community developed the Surface ...

    • A surface ocean CO2 reference network, SOCONET and associated marine boundary layer CO2 measurements 

      Wanninkhof, Rik; Pickers, Penelope A.; Omar, Abdirahman; Sutton, Adrienne; Murata, Akihiko; Olsen, Are; Stephens, Britton B.; Tilbrook, Bronte; Munro, David; Pierrot, Denis; Rehder, Gregor; Santana-Casiano, J. Magdalena; Müller, Jens D.; Trinanes, Joaquin; Tedesco, Kathy; O'Brien, Kevin; Currie, Kim; Barbero, Leticia; Telszewski, Maciej; Hoppema, Mario; Ishii, Masao; González-Dávila, Melchor; Bates, Nicholas R.; Metzl, Nicolas; Suntharalingam, Parvadha; Feely, Richard A.; Nakaoka, Shin-ichiro; Lauvset, Siv Kari; Takahashi, Taro; Steinhoff, Tobias; Schuster, Ute (Peer reviewed; Journal article, 2019-07-12)
      The Surface Ocean CO2 NETwork (SOCONET) and atmospheric Marine Boundary Layer (MBL) CO2 measurements from ships and buoys focus on the operational aspects of measurements of CO2 in both the ocean surface and atmospheric ...

    • Surface ocean pH and buffer capacity: past, present and future 

      Jiang, Li-qing; Carter, Brendan R; Feely, Richard A; Lauvset, Siv Kari; Olsen, Are (Peer reviewed; Journal article, 2019-12-09)
      The ocean’s chemistry is changing due to the uptake of anthropogenic carbon dioxide (CO2). This phenomenon, commonly referred to as “Ocean Acidification”, is endangering coral reefs and the broader marine ecosystems. In ...

    • Surface wave effects in the upper ocean and consequences for biological modeling 

      Röhrs, Johannes (Doctoral thesis, 2014-03-21)
      Effects of surface gravity waves on particle transport and currents in the upper ocean are studied using field observations and numerical models. Knowledge on upper ocean particle drift is needed for plankton transport ...

    • Surface-Forced Variability in the Nordic Seas Overturning Circulation and Overflows 

      Årthun, Marius (Journal article; Peer reviewed, 2023)
      Water mass transformation in the Nordic Seas and the associated overflow of dense waters across the Greenland-Scotland Ridge (GSR) acts to maintain the lower limb of the Atlantic meridional overturning circulation. Here, ...

    • The Svalbard branch of the West Spitsbergen Current: Hydrography, transport and mixing 

      Kolås, Eivind (Master thesis, 2017-08-01)
      Data from a 10 days shipboard survey in August 2015, northwest of Svalbard, are used to investigate the transport, structure and mixing of Atlantic water (AW) along the Svalbard branch and Yermak branch of the West Spitsbergen ...

    • Svingninger i klimaet i perioden 1910 til 2004 Hvilken innvirkning en global klimaendring har på lokalt klima og på tidspunktet for start på våren og vekstsesongen 

      Sivle, Anders Honningdal (Master thesis, 2005)

    • Synchronicity from synchronized chaos 

      Duane, Gregory (Peer reviewed; Journal article, 2015-03-27)
      The synchronization of loosely-coupled chaotic oscillators, a phenomenon investigated intensively for the last two decades, may realize the philosophical concept of “synchronicity”—the commonplace notion that related ...