Blar i Geophysical Institute på forfatter "Darelius, Elin Maria K."

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    • The dynamics of a barotropic current impinging on an ice front 

      Steiger, Nadine; Darelius, Elin Maria K.; Kimura, S; Patmore, Ryan Declan; Wåhlin, A. K. (Journal article; Peer reviewed, 2022)
      The vertical front of ice shelves represents a topographic barrier for barotropic currents that transport a considerable amount of heat toward the ice shelves. The blocking effect of the ice front on barotropic currents ...

    • Exceptionally Warm and Prolonged Flow of Warm Deep Water Toward the Filchner‐Ronne Ice Shelf in 2017 

      Ryan, Svenja; Hellmer, Hartmut H.; Janout, Markus; Darelius, Elin Maria K.; Schröder, Michael; Vignes, Lucie (Journal article; Peer reviewed, 2020)
      The Filchner-Ronne Ice Shelf, fringing the southern Weddell Sea, is Antarctica's second largest ice shelf. At present, basal melt rates are low due to active dense water formation; however, model projections suggest a ...

    • Faroe Bank Channel Overflow: Mesoscale Variability 

      Darelius, Elin Maria K.; Fer, Ilker; Quadfasel, Detlef (Peer reviewed; Journal article, 2011-11)
      The Faroe Bank Channel is the deepest connection through the Greenland–Scotland Ridge, where dense water formed north of the ridge flows southward over the sill crest, contributing to the formation of North Atlantic Deep ...

    • Hydrography and circulation in the Filchner Depression, Weddell Sea, Antarctica 

      Darelius, Elin Maria K.; Makinson, Keith; Daae, Kjersti Birkeland; Fer, Ilker; Holland, Paul R.; Nicholls, Keith W. (Peer reviewed; Journal article, 2014)
      Cold and dense ice shelf water (ISW) emerging from the Filchner-Ronne Ice Shelf cavity in the southwestern Weddell Sea flows northward through the Filchner Depression to eventually descend the con- tinental slope and ...

    • Hydrography, circulation, and response to atmospheric forcing in the vicinity of the central Getz Ice Shelf, Amundsen Sea, Antarctica 

      Dundas, Vår Iren Hjorth; Darelius, Elin Maria K.; Daae, Kjersti; Steiger, Nadine; Nakayama, Yoshihiro; Kim, Tae-Wan (Journal article; Peer reviewed, 2022)
      Ice shelves in the Amundsen Sea are thinning rapidly as ocean currents bring warm water into the cavities beneath the floating ice. Although the reported melt rates for the Getz Ice Shelf are comparatively low for the ...

    • Necessary Conditions for Warm Inflow Toward the Filchner Ice Shelf, Weddell Sea 

      Daae, Kjersti; Hattermann, Tore; Darelius, Elin Maria K.; Mueller, Rachael D.; Naughten, Kaitlin A; Timmermann, Ralph; Hellmer, Hartmut H. (Journal article; Peer reviewed, 2020)
      Understanding changes in Antarctic ice shelf basal melting is a major challenge for predicting future sea level. Currently, warm Circumpolar Deep Water surrounding Antarctica has limited access to the Weddell Sea continental ...

    • Observational evidence for on-shelf heat transport driven by dense water export in the Weddell Sea 

      Darelius, Elin Maria K.; Daae, Kjersti; Dundas, Vår Iren Hjorth; Fer, Ilker; Hellmer, Hartmut H.; Janout, Markus; Nicholls, Keith W.; Sallée, Jean-Bapiste; Østerhus, Svein (Journal article; Peer reviewed, 2023)
      The transport of oceanic heat towards the Antarctic continental margin is central to the mass balance of the Antarctic Ice Sheet. Recent modeling efforts challenge our view on where and how the on-shelf heat flux occurs, ...

    • Observations of barotropic oscillations and their influence on mixing in the Faroe bank channel overflow region 

      Darelius, Elin Maria K.; Ullgren, Jenny; Fer, Ilker (Peer reviewed; Journal article, 2013)
      Observations of hydrography, currents, and microstructure are presented together with sea surface height (SSH) patterns from concurrent satellite tracks to describe the subinertial oscillations in the region downstream of ...

    • Observations of energetic turbulence on the Weddell Sea continental slope 

      Fer, Ilker; Darelius, Elin Maria K.; Daae, Kjersti Birkeland (Peer reviewed; Journal article, 2016-01-23)
      Turbulence profile measurements made on the upper continental slope and shelf of the southeastern Weddell Sea reveal striking contrasts in dissipation and mixing rates between the two sites. The mean profiles of dissipation ...

    • 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 ...

    • On the effect of climate trends in coastal density on deep water renewal frequency in sill fjords—A statistical approach 

      Darelius, Elin Maria K. (Journal article; Peer reviewed, 2020)
      The basin water of a sill fjord is renewed intermittently, when the density of the water at sill level in the ocean outside the fjord is high enough for it to sink down to the bottom of the fjord. How often the basin water ...

    • On the effect of topography and wind on warm water inflow— An idealized study of the southern Weddell Sea continental shelf system 

      Daae, Kjersti; Hattermann, Tore; Darelius, Elin Maria K.; Fer, Ilker (Peer reviewed; Journal article, 2017-03)
      An idealized eddy-resolving numerical model, with topographic features common to the southern Weddell Sea, is constructed to study mechanisms through which warm deep water enters a wide continental shelf with a trough. The ...

    • On the Influence of Small-Scale Topography on Dense Plumes, with a Special Focus on the Filchner Overflow Plume 

      Darelius, Elin Maria K. (Doctoral thesis, 2007-10-05)

    • On the modulation of the periodicity of the Faroe Bank Channel overflow instabilities 

      Darelius, Elin Maria K.; Fer, Ilker; Rasmussen, Till; Guo, Chuncheng; Larsen, Karin Margretha Húsgarð (Peer reviewed; Journal article, 2015-10-26)
      The Faroe Bank Channel (FBC) is one of the ma- jor pathways where dense, cold water formed in the Nordic Seas flows southward as a bottom-attached energetic plume towards the North Atlantic. The plume region downstream of ...

    • On the seasonal signal of the Filchner overflow, Weddell Sea, Antarctica 

      Darelius, Elin Maria K.; Strand, Kjersti Opstad; Østerhus, Svein; Gammelsrød, Tor; Årthun, Marius; Fer, Ilker (Peer reviewed; Journal article, 2014)
      The cold ice shelf water (ISW) that formed below the Filchner–Ronne Ice Shelf in the southwestern Weddell Sea, Antarctica, escapes the ice shelf cavity through the Filchner Depression and spills over its sill at a rate of ...

    • Seasonal Outflow of Ice Shelf Water Across the Front of the Filchner Ice Shelf, Weddell Sea, Antarctica 

      Darelius, Elin Maria K.; Sallee, Jean-Bapiste (Peer reviewed; Journal article, 2018-04)
      The ice shelf water (ISW) found in the Filchner Trough, located in the southern Weddell Sea, Antarctica, is climatically important; it descends into the deep Weddell Sea contributing to bottom water formation, and it blocks ...

    • Seasonal resonance of diurnal coastal trapped waves in the southern Weddell Sea, Antarctica 

      Semper, Stefanie; Darelius, Elin Maria K. (Peer reviewed; Journal article, 2017-01-30)
      The summer enhancement of diurnal tidal currents at the shelf break in the southern Weddell Sea is studied using velocity measurements from 29 moorings during the period 1968 to 2014. Kinetic energy associated with diurnal ...

    • Student guides: supporting learning from laboratory experiments through across-course collaboration 

      Daae, Kjersti; Darelius, Elin Maria K.; Årvik, Anne Digranes; Glessmer, Mirjam Sophia (Journal article; Peer reviewed, 2023)
      We have observed that students often struggle with laboratory experiments. There is a high threshold to getting involved hands-on for fear of ruining an experiment, losing time, or breaking the equipment. More importantly, ...

    • 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 ...