Pål Erik Isachsen

Image of Pål Erik Isachsen
Norwegian version of this page
Phone +47-22855805
Room 58.12.31
Visiting address Gaustadalléen 21 Bygning H plan 3 Forskningsparken 0349 OSLO
Postal address Postboks 1022 Blindern 0315 OSLO

Research interests

  • Ocean dynamics at high latitudes
  • Baroclinic instability and eddy dynamics
  • Numerical ocean modeling


Tags: Oceanography


  • Waldman, Robin; Somot, Samuel; Herrmann, Marine; Sevault, Florence & Isachsen, Pål Erik (2018). On the Chaotic Variability of Deep Convection in the Mediterranean Sea. Geophysical Research Letters.  ISSN 0094-8276.  45(5), s 2433- 2443 . doi: 10.1002/2017GL076319
  • Bashmachnikov, I. L.; Sokolovskiy, M. A.; Belonenko, T. V.; Volkov, D. L.; Isachsen, P. E. & Carton, X. (2017). On the vertical structure and stability of the Lofoten vortex in the Norwegian Sea. Deep Sea Research Part I: Oceanographic Research Papers.  ISSN 0967-0637.  128, s 1- 27 . doi: 10.1016/j.dsr.2017.08.001
  • Simonsen, Magne; Sætra, Øyvind; Isachsen, Pål Erik; Lind, Ole Christian; Skjerdal, Hilde Kristin; Salbu, Brit; Heldal, Hilde Elise & Gwynn, Justin P. (2017). The impact of tidal and mesoscale eddy advection on the long term dispersion of 99Tc from Sellafield. Journal of Environmental Radioactivity.  ISSN 0265-931X.  177, s 100- 112 . doi: 10.1016/j.jenvrad.2017.06.002
  • Hattermann, Tore; Isachsen, Pål Erik; von Appen, Wilken-Jon; Albretsen, Jon & Sundfjord, Arild (2016). Eddy-driven recirculation of Atlantic Water in Fram Strait. Geophysical Research Letters.  ISSN 0094-8276.  43(7), s 3406- 3414 . doi: 10.1002/2016GL068323
  • Isachsen, Pål Erik (2015). Baroclinic instability and the mesoscale eddy field around the Lofoten Basin. Journal of Geophysical Research - Biogeosciences.  ISSN 2169-8953.  120(4), s 2884- 2903 . doi: 10.1002/2014JC010448
  • Carrasco, Ana; Semedo, Alvaro; Isachsen, Pål Erik; Christensen, Kai H. & Saetra, Øyvind (2014). Global Surface Wave Drift Climate from ERA-40: The contributions from wind-sea and swell. Ocean Dynamics.  ISSN 1616-7341.  64(12), s 1815- 1829 . doi: 10.1007/s10236-014-0783-9
  • Isachsen, Pål Erik; Sørlie, Signe Røysland; Mauritzen, Cecilie; Lydersen, Christian; Dodd, Paul & Kovacs, Kit (2014). Upper-ocean hydrography of the Nordic Seas during the International Polar Year (2007-2008) as observed by instrumented seals and Argo floats. Deep Sea Research Part I: Oceanographic Research Papers.  ISSN 0967-0637.  93, s 41- 59 . doi: 10.1016/j.dsr.2014.06.012
  • Ghaffari, Peygham; Isachsen, Pål Erik & Lacasce, Joseph Henry (2013). Topographic effects on current variability in the Caspian Sea. Journal of Geophysical Research - Oceans.  ISSN 2169-9275.  118(12), s 7107- 7116 . doi: 10.1002/2013JC009128
  • Isachsen, Pål Erik; Drivdal, Magnus; Eastwood, Steinar; Gusdal, Yvonne; Noer, Gunnar & Saetra, Øyvind (2013). Observations of the ocean response to cold air outbreaks and polar lows over the Nordic Seas. Geophysical Research Letters.  ISSN 0094-8276.  40(14), s 3667- 3671 . doi: 10.1002/grl.50705
  • Wang, Keguang; Debernard, Jens; Sperrevik, Ann Kristin; Isachsen, Pål Erik & Lavergne, Thomas (2013). A combined optimal interpolation and nudging scheme to assimilate OSISAF sea-ice concentration into ROMS. Annals of Glaciology.  ISSN 0260-3055.  54(62), s 8- 12 . doi: 10.3189/2013AoG62A138
  • Isachsen, Pål Erik; Koszalka, I. & Lacasce, Joseph Henry (2012). Observed and modeled surface eddy heat fluxes in the eastern Nordic Seas. Journal of Geophysical Research - Oceans.  ISSN 2169-9275.  117(C8) . doi: 10.1029/2012JC007935
  • Isachsen, Pål Erik & Nøst, Ole Anders (2012). The air-sea transformation and residual overturning circulation within the Nordic Seas. Journal of Marine Research.  ISSN 0022-2402.  70, s 31- 68
  • Isachsen, Pål Erik (2011). Baroclinic instability and eddy tracer transport across sloping bottom topography: How well does a modified Eady model do in primitive equation simulations?. Ocean Modelling.  ISSN 1463-5003.  39, s 183- 199
  • Mauritzen, Cecilie; Hansen, Edmond; Andersson, Maria Helena; Berx, Barbara; Beszczynska-Möller, Agnieszka; Burud, Ingunn; Christensen, Kai Håkon; Debernard, Jens; Steur, Laura de; Dodd, Paul; Gerland, Sebastian; Godøy, Øystein Arne; Hansen, Bogi; Hudson, Stephen; Høydalsvik, Frode; Ingvaldsen, Randi; Isachsen, Pål Erik; Kasajima, Yoshie; Koszalka, Inga; Kovacs, Kit; Køltzow, Morten Ø.; Lacasce, Joseph Henry; Lee, Craig M.; Lavergne, Thomas; Lydersen, Christian; Nicolaus, Marcel; Nilsen, Frank; Nøst, Ole Andres; Orvik, Kjell Arild; Reigstad, Marit; Schyberg, Harald; Seuthe, Lena; Skagseth, Øystein; Skardhamar, Jofrid; Skogseth, Ragnheid; Sperrevik, Ann; Svensen, Camilla; Søiland, Henrik; Teigen, Sigurd Henrik; Tverberg, Vigdis & Wexels Riser, Christian (2011). Closing the loop - Approaches to monitoring the state of the Arctic Mediterranean during the International Polar Year 2007-2008. Progress in Oceanography.  ISSN 0079-6611.  90(1-4), s 62- 89 . doi: 10.1016/j.pocean.2011.02.010
  • Lacasce, Joseph Henry & Isachsen, Pål Erik (2010). The linear models of the ACC. Progress in Oceanography.  ISSN 0079-6611.  84(3-4), s 139- 157 . doi: 10.1016/j.pocean.2009.11.002
  • Bekkeby, Trine; Isachsen, Pål Erik; Isæus, Martin & Bakkestuen, Vegar (2008). GIS modeling of wave exposure at the seabed: A depth-attenuated wave exposure model. Marine Geodesy.  ISSN 0149-0419.  31, s 117- 127
  • Bekkeby, Trine; Nilsson, H. C.; Olsgard, F.; Rygg, B.; Isachsen, Pål Erik & Isæus, Martin (2008). Identifying soft sediments at sea using GIS-modelled predictor variables and Sediment Profile Image (SPI) measured response variables. Estuarine, Coastal and Shelf Science.  ISSN 0272-7714.  79, s 631- 636
  • Bekkeby, Trine; Rinde, Eli; Erikstand, L.; Bakkestuen, Vegar; Longva, O.; Christensen, O.; Isæus, Martin & Isachsen, Pål Erik (2008). Spatial probability modelling of eelgrass Zostera marina L. distribution on the West coast of Norway. ICES Journal of Marine Science.  ISSN 1054-3139.  65, s 1093- 1101
  • Lacasce, Joseph Henry; Nøst, O.A. & Isachsen, Pål Erik (2008). The asymmetry of free circulations in closed ocean gyres. Journal of Physical Oceanography.  ISSN 0022-3670.  38(2), s 517- 526 . doi: 10.1175/2007JPO3789.1
  • Isachsen, Pål Erik; Lacasce, Joseph Henry & Pedlosky, Joseph (2007). Rossby wave instability and apparent phase speeds in large ocean basins. Journal of Physical Oceanography.  ISSN 0022-3670.  37, s 1177- 1191 . doi: 10.1175/JPO3054.1
  • Isachsen, Pål Erik; Mauritzen, Cecilie & Svendsen, Harald (2007). Dense water formation in the Nordic Seas diagnosed from sea surface buoyancy fluxes. Deep Sea Research Part I: Oceanographic Research Papers.  ISSN 0967-0637.  54(1), s 22- 41
  • Lacasce, Joseph Henry & Isachsen, Pål Erik (2007). On Sverdrup discontinuities and vortices in the Southwest Indian Ocean. Journal of Physical Oceanography.  ISSN 0022-3670.  37, s 2940- 2950
  • Isachsen, Pål Erik; LaCasce, Joe H; Mauritzen, Cecilie & Hakkinen, Sirpa (2004). Wind-driven variability of the large-scale recirculating flow in the Nordic seas and Arctic Ocean. Journal of Physical Oceanography.  ISSN 0022-3670.  33(12), s 2534- 2550
  • Nøst, Ole Anders & Isachsen, Pål Erik (2003). The large-scale time-mean ocean circulation in the Nordic Seas and Arctic Ocean estimated from simplified dynamics. Journal of Marine Research.  ISSN 0022-2402.  61(2), s 175- 210
  • Stevens, Craig L.; Hurd, Catriona L. & Isachsen, Pål Erik (2003). Modeling Diffusion Boundary-Layers in Subtidal Macroalgal Canopies: The Response to Waves and Currents. Aquatic Sciences.  ISSN 1015-1621.  65(1), s 81- 91
  • Winther, Jan-Gunnar; Godtliebsen, Fred; Gerland, Sebastian & Isachsen, Pål Erik (2002). Surface albedo in Ny-Ålesund, Svalbard: variability and trends during 1981--1997. Global and Planetary Change.  ISSN 0921-8181.  32, s 127- 139
  • Isachsen, Pål Erik & Pond, Stephen (2000). The Influence of the Spring-neap Tidal Cycle on Currents and Density in Burrard Inlet, British Columbia, Canada. Estuarine, Coastal and Shelf Science.  ISSN 0272-7714.  51, s 317- 330

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  • Simonsen, Magne; Saetra, Øyvind; Isachsen, Pål Erik; Lind, Ole Christian; Skjerdal, Hilde Kristin; Salbu, Brit; Heldal, Hilde Elise & Gwynn, Justin P. (2017). The impact of tidal and mesoscale eddy advection on the long term dispersion of 99Tc from Sellafield.
  • Simonsen, Magne; Isachsen, Pål Erik; Sætra, Øyvind; Lind, Ole Christian; Salbu, Brit & Skjerdal, Hilde Kristin (2016). Long-term dispersion of radioactive 99Tc from Sellafield - the impact of resolution.
  • Simonsen, Magne; Isachsen, Pål Erik; Sætra, Øyvind; Salbu, Brit; Lind, Ole Christian; Bartnicki, Jerzy & Klein, Heiko (2014). Marine radionuclide transport in the northern North Atlantic estimated with an eddy-permitting ocean model.
  • Røed, Lars Petter; Kristensen, Nils Melsom; Isachsen, Pål Erik & Sætra, Øyvind (2013). The triply nested Norwegian numerical ocean weather prediction system: Problems and possible solutions.
  • Røed, Lars Petter; Brostrøm, Gøran; Isachsen, Pål Erik; Kristensen, Nils Melsom & Engedahl, Harald (2011). Numerical Ocean Weather Prediction: A quest for computer power and capacity. META.  ISSN 1890-2987.  (4), s 28- 31 Show summary

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Published Jan. 13, 2016 4:13 PM - Last modified Oct. 26, 2017 2:15 PM