Now showing items 791-810 of 1291

    • Observed vulnerability of Filchner-Ronne Ice Shelf to wind-driven inflow of warm deep water 

      Darelius, Elin Maria K.; Fer, Ilker; Nicholls, Keith W. (Peer reviewed; Journal article, 2016-08-02)
      The average rate of melting at the base of the large Filchner-Ronne Ice Shelf in the southern Weddell Sea is currently low, but projected to increase dramatically within the next century. In a model study, melt rates ...
    • Observing Antarctic Bottom Water in the Southern Ocean 

      Silvano, Alessandro; Purkey, Sarah; Gordon, Arnold L.; Castagno, Pasquale; Stewart, Andrew L.; Rintoul, Stephen R.; Foppert, Annie; Gunn, Kathryn L.; Herraiz-Borreguero, Laura; Aoki, Shigeru; Nakayama, Yoshihiro; Naveira Garabato, Alberto C.; Spingys, Carl; Akhoudas, Camille Hayatte; Sallée, Jean-Baptiste; de Lavergne, Casimir; Abrahamsen, E. Povl; Meijers, Andrew J. S.; Meredith, Michael P.; Zhou, Shenjie; Tamura, Takeshi; Yamazaki, Kaihe; Ohshima, Kay I.; Falco, Pierpaolo; Budillon, Giorgio; Hattermann, Tore; Janout, Markus A.; Llanillo, Pedro; Bowen, Melissa M.; Darelius, Elin Maria K.; Østerhus, Svein; Nicholls, Keith W.; Stevens, Craig; Fernandez, Denise; Cimoli, Laura; Jacobs, Stanley S.; Morrison, Adele K.; Hogg, Andrew McC.; Haumann, F. Alexander; Mashayek, Ali; Wang, Zhaomin; Kerr, Rodrigo; Williams, Guy D.; Lee, Won Sang (Journal article; Peer reviewed, 2023)
      Dense, cold waters formed on Antarctic continental shelves descend along the Antarctic continental margin, where they mix with other Southern Ocean waters to form Antarctic Bottom Water (AABW). AABW then spreads into the ...
    • Observing atmospheric convection with dual-scanning lidars 

      Duscha, Christiane Anabell; Palenik, Juraj; Spengler, Thomas; Reuder, Heinrich Joachim (Journal article; Peer reviewed, 2023)
      While convection is a key process in the development of the atmospheric boundary layer, conventional meteorological measurement approaches fall short in capturing the evolution of the complex dynamics of convection. To ...
    • Ocean abyssal carbon experiments at 0.7 and 4 km depth 

      Haugan, Peter Mosby; Brewer, Peter G.; Peltzer, Edward T.; Walz, Peter; Aya, Izuo; Yamane, Kenji; Kojima, Ryuji; Nakajima, Yasuharu; Nakayama, Noriko; Hove, Joakim; Johannessen, Truls; Bellerby, Richard G. J.; Alendal, Guttorm (Journal article, 2005)
      Observations from small-scale (20 to 90 litres) CO2 experiments conducted off the coast of California at 684 m depth and at 3942 m depth are discussed. In both experiments, when the seawater velocity was sufficiently strong, ...
    • Ocean acidication in the Arabian Sea and the Red Sea - factors controlling pH 

      Omer, Waleed Mahmood M. Ahme (Master thesis, 2010-06-01)
      The CO2 increase in the ocean due to uptake of anthropogenic CO2 and the companying lowering of ocean pH is of major concern. In this study we investigated the variability of CO2 system parameters, focusing particularly ...
    • Ocean acidification in the subpolar North Atlantic: rates and mechanisms controlling pH changes 

      García-Ibáñez, Maribel I.; Zunino, Patricia; Fröb, Friederike; Carracedo, Lidia I.; Ríos, Aida F.; Mercier, Herlé; Olsen, Are; Pérez, Fiz F. (Peer reviewed; Journal article, 2016-06-23)
      Repeated hydrographic sections provide critically needed data on and understanding of changes in basin-wide ocean CO2 chemistry over multi-decadal timescales. Here, high-quality measurements collected at twelve cruises ...
    • Ocean Biogeochemical Predictions—Initialization and Limits of Predictability 

      Fransner, Filippa; Counillon, Francois; Bethke, Ingo; Tjiputra, Jerry; Samuelsen, Annette; Nummelin, Aleksi; Olsen, Are (Journal article; Peer reviewed, 2020)
      Predictions of ocean biogeochemistry, such as primary productivity and CO2 uptake, would help to understand the changing marine environment and the global climate. There is an emerging number of studies where initialization ...
    • Ocean biogeochemistry in the Norwegian Earth System Model version 2 (NorESM2) 

      Tjiputra, Jerry; Schwinger, Jörg; Bentsen, Mats; Morée, Anne; Gao, Shuang; Bethke, Ingo; Heinze, Christoph; Goris, Nadine; Gupta, Alok Kumar; He, Yan-Chun; Oliviè, Dirk Jan Leo; Seland, Øyvind; Schulz, Michael (Journal article; Peer reviewed, 2020)
      The ocean carbon cycle is a key player in the climate system through its role in regulating the atmospheric carbon dioxide concentration and other processes that alter the Earth's radiative balance. In the second version ...
    • Ocean Breath: Origin, Transport and Fate of Anthropogenic Carbon and Oxygen in the Ocean 

      Dávila Rodríguez, Xabier (Doctoral thesis, 2023-08-25)
      Menneskeskapte klimaendringer endrer måten atmosfæren og havet utveksler energi og egenskaper på ved å redusere havventilasjonen. Endringer i ventilasjonen antas å være en viktig tilbakekoblingsmekanisme i klimasystemet ...
    • The ocean carbon sink - impacts, vulnerabilities and challenges 

      Heinze, Christoph; Meyer, Stefanie; Goris, Nadine; Anderson, Leif; Steinfeldt, Rainer; Chang, Nicolette; Le Quéré, Corinne; Bakker, Dorothée C.E. (Peer reviewed; Journal article, 2015-06-09)
      Carbon dioxide (CO2) is, next to water vapour, considered to be the most important natural greenhouse gas on Earth. Rapidly rising atmospheric CO2 concentrations caused by human actions such as fossil fuel burning, land-use ...
    • Ocean circulation and climate at the Eemian and last glacial inception 

      Born, Andreas (Doctoral thesis, 2010-09-24)
      Combining a hierarchy of climate models of varying complexity with marine proxy data, we show that the North Atlantic surface circulation played an important role for the climate of the Eemian and the last glacial inception. ...
    • Ocean convection linked to the recent ice edge retreat along east Greenland 

      Våge, Kjetil; Papritz, Lukas; Håvik, Lisbeth; Spall, Michael A.; Moore, George William Kent (Peer reviewed; Journal article, 2018-03-29)
      Warm subtropical-origin Atlantic water flows northward across the Greenland-Scotland Ridge into the Nordic Seas, where it relinquishes heat to the atmosphere and gradually transforms into dense Atlantic-origin water. ...
    • Ocean FAIR data services 

      Tanhua, Toste; Pouliquen, Sylvie; Hausman, Jessica; O'Brien, Kevin M.; Bricher, Pip; de Bruin, Taco; Buck, Justin J.; Burger, Eugene F.; Carval, Thierry; Casey, Kenneth S.; Diggs, Steve; Giorgetti, Alessandra; Glaves, Helen; Harscoat, Valerie; Kinkade, Danie; Muelbert, Jose H.; Novellino, Antonio; Pfeil, Benjamin; Pulsifer, Peter; van de Putte, Anton P.; Robinson, Erin; Shaap, Dick; Smirnov, Alexander; Smith, Neville; Snowden, Derrick P.; Spears, Tobias; Stall, Shelley; Tacoma, Marten; Thijsse, Peter; Tronstad, Stein; Vandenberghe, Thomas; Wengren, Micha; Wyborn, Lesley; Zhao, Zhiming (Peer reviewed; Journal article, 2019-08-07)
      Well-founded data management systems are of vital importance for ocean observing systems as they ensure that essential data are not only collected but also retained and made accessible for analysis and application by current ...
    • Ocean internal wave spectra inferred from seismic reflection transects 

      Holbrook, W. Steven; Fer, Ilker (Peer reviewed; Journal article, 2005-08-06)
      Internal waves affect many important dynamical processes in the ocean, but in situ observations of internal waves are infrequent and spatially sparse. Here we show that remote sensing of internal waves by marine seismic ...
    • Ocean Mesoscale Variability: A Case Study on the Mediterranean Sea From a Re-Analysis Perspective 

      Bonaduce, Antonio; Cipollone, Andrea; Johannessen, Johnny Andre; Staneva, Joanna; Raj, Roshin Pappukutty; Aydogdu, Ali (Journal article; Peer reviewed, 2021)
      The mesoscale variability in the Mediterranean Sea is investigated through eddy detection techniques. The analysis is performed over 24 years (1993–2016) considering the three-dimensional (3D) fields from an ocean re-analysis ...
    • Ocean motion on the Yermak Plateau : - tidal and air-ocean interactions 

      Ersdal, Eli Anne (Doctoral thesis, 2020-11-02)
      This study focuses on the tidal and atmospheric dynamics controlling the overflow of warm Atlantic Water, crossing over the Yermak Plateau, which can be seen as a doorstep to the Arctic Ocean. The Arctic conditions are ...
    • Ocean storage 

      Caldeira, Ken; Akai, Makoto; Brewer, Peter G.; Chen, Baixin; Haugan, Peter Mosby; Iwama, Toru; Johnston, Paul; Kheshgi, Haroon; Li, Qingquan; Ohsumi, Takashi; Pörtner, Hans; Sabine, Chris; Shirayama, Yoshihisa; Thomson, Jolyon (IPCC Special Report on Carbon dioxide Capture and Storage, Chapter, 2005)
    • Ocean surface currents derived from Sentinel-1 SAR Doppler shift measurements 

      Moiseev, Artem (Doctoral thesis, 2021-05-20)
      Reliable information about ocean surface currents is crucial for operational oceanography, regulating weather development, and climate research (e.g., UN SDG 13). Upper-ocean currents are also key for monitoring life below ...
    • Ocean Thermal Energy Conversion 

      Olsen, Leif Mathias Aas (Master thesis, 2016-05-31)
      På grunn av verdens stadig økende behov for energi, samtidig som klimaproblemene har økt er det tydelig at flere tiltak må iverksettes. Ocean Thermal Energy Conversion er lovende fornybar energiteknologi som kan være med ...
    • Ocean-atmosphere interactions in the tropical Atlantic seasonal cycle and multidecadal variability of ENSO 

      Crespo, Lander R. (Doctoral thesis, 2019-06-27)
      The interaction between the ocean and atmosphere drives changes in the climate system in a wide variety of timescales. The strong annual cycle in the equatorial Atlantic, especially over the east, has been object of extensive ...