Pål Erik Isachsen

Bilde av Pål Erik Isachsen
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Telefon +47 22855805
Rom 2325
Brukernavn
Besøksadresse Blindernveien 31 Kristine Bonnevies hus 0371 Oslo
Postadresse Postboks 1022 Blindern 0315 Oslo

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Faglige interesser

  • Havets dynamikk ved høye breddegrader
  • Baroklin instabilitet og virveldynamikk
  • Numerisk havmodellering

Undervisning

Emneord: Oseanografi

Publikasjoner

  • Børve, Eli; Isachsen, Pål Erik & Nøst, Ole Anders (2021). Rectified tidal transport in Lofoten–Vesterålen, northern Norway. Ocean Science. ISSN 1812-0784. 17(6), s. 1753–1773. doi: 10.5194/os-17-1753-2021. Fulltekst i vitenarkiv
  • Dugstad, Johannes Sandanger; Isachsen, Pål Erik & Fer, Ilker (2021). The mesoscale eddy field in the Lofoten Basin from high-resolution Lagrangian simulations. Ocean Science. ISSN 1812-0784. 17(3), s. 651–674. doi: 10.5194/os-17-651-2021. Fulltekst i vitenarkiv
  • Meneghello, Gianluca; Marshall, John; Lique, Camille; Isachsen, Pål Erik; Doddridge, Edward & Campin, Jean-Michel [Vis alle 8 forfattere av denne artikkelen] (2021). Genesis and decay of mesoscale baroclinic eddies in the seasonally ice-covered Arctic Ocean. Journal of Physical Oceanography. ISSN 0022-3670. 51(1), s. 115–129. doi: 10.1175/JPO-D-20-0054.1. Fulltekst i vitenarkiv
  • Trodahl, Marta; Isachsen, Pål Erik; Lilly, Jonathan M.; Nilsson, Johan & Kristensen, Nils Melsom (2020). The regeneration of the lofoten vortex through vertical alignment. Journal of Physical Oceanography. ISSN 0022-3670. 50(9), s. 2689–2711. doi: 10.1175/JPO-D-20-0029.1.
  • Heiskanen, Tuomas Ilkka Henrikki; Graversen, Rune Grand; Rydsaa, Johanne Hope & Isachsen, Pål Erik (2020). Comparing wavelet and Fourier perspectives on the decomposition of meridional energy transport into synoptic and planetary components. Quarterly Journal of the Royal Meteorological Society. ISSN 0035-9009. 146(731 Part B), s. 2717–2730. doi: 10.1002/qj.3813. Fulltekst i vitenarkiv
  • Dugstad, Johannes Sandanger; Kozalka, Inga Monika; Isachsen, Pål Erik; Dagestad, Knut-Frode & Fer, Ilker (2019). Vertical structure and seasonal variability of the inflow to the Lofoten Basin inferred from high resolution Lagrangian simulations. Journal of Geophysical Research (JGR): Oceans. ISSN 2169-9275. 124(12), s. 9384–9403. doi: 10.1029/2019JC015474. Fulltekst i vitenarkiv
  • Manucharyan, Georgy & Isachsen, Pål Erik (2019). Critical role of continental slopes in halocline and eddy dynamics of the Ekman-driven Beaufort Gyre. Journal of Geophysical Research (JGR): Oceans. ISSN 2169-9275. 124(4), s. 2679–2696. doi: 10.1029/2018JC014624. Fulltekst i vitenarkiv
  • Simonsen, Magne; Lind, Ole Christian; Sætra, Øyvind; Isachsen, Pål Erik; Teien, Hans-Christian & Albretsen, Jon [Vis alle 7 forfattere av denne artikkelen] (2019). Coastal transport of river-discharged radionuclides: Impact of speciation and transformation processes in numerical model simulations. Science of the Total Environment. ISSN 0048-9697. 669, s. 856–871. doi: 10.1016/j.scitotenv.2019.01.434.
  • Trodahl, Marta & Isachsen, Pål Erik (2018). Topographic influence on baroclinic instability and the mesoscale eddy field in the northern North Atlantic Ocean and the Nordic Seas. Journal of Physical Oceanography. ISSN 0022-3670. 48(11), s. 2593–2607. doi: 10.1175/JPO-D-17-0220.1. Fulltekst i vitenarkiv
  • Ghaffari, Peygham; Isachsen, Pål Erik; Nøst, Ole Anders & Weber, Jan Erik H. (2018). The influence of topography on the stability of the Norwegian Atlantic Current off Northern Norway. Journal of Physical Oceanography. ISSN 0022-3670. 48(11), s. 2761–2777. doi: 10.1175/JPO-D-17-0235.1. Fulltekst i vitenarkiv
  • 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. Fulltekst i vitenarkiv
  • 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 [Vis alle 8 forfattere av denne artikkelen] (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. Fulltekst i vitenarkiv
  • Isachsen, Pål Erik (2015). Baroclinic instability and the mesoscale eddy field around the Lofoten Basin. Journal of Geophysical Research (JGR): Biogeosciences. ISSN 2169-8953. 120(4), s. 2884–2903. doi: 10.1002/2014JC010448.
  • 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.
  • 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.
  • 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; 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.
  • Ghaffari, Peygham; Isachsen, Pål Erik & Lacasce, Joseph Henry (2013). Topographic effects on current variability in the Caspian Sea. Journal of Geophysical Research (JGR): Oceans. ISSN 2169-9275. 118(12), s. 7107–7116. doi: 10.1002/2013JC009128.
  • 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 (JGR): 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. doi: 10.1357/002224012800502372.
  • Mauritzen, Cecilie; Hansen, Edmond; Andersson, Maria Helena; Berx, Barbara; Beszczynska-Möller, Agnieszka & Burud, Ingunn [Vis alle 41 forfattere av denne artikkelen] (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.
  • 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. doi: 10.1016/j.ocemod.2010.09.007.
  • 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.
  • 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.
  • 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. [Vis alle 8 forfattere av denne artikkelen] (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.
  • 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.
  • 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, 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.
  • 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.
  • 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.
  • 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.
  • 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.

Se alle arbeider i Cristin

  • Dugstad, Johannes Sandanger; Koszalka, I.; Dagestad, Knut-Frode; Fer, Ilker & Isachsen, Pål Erik (2020). Mass exchange of Atlantic Water with the Lofoten Basin derived from high-resolution Lagrangian simulations .
  • Simonsen, Magne; Lind, Ole Christian; Sætra, Øyvind; Isachsen, Pål Erik; Teien, Hans-Christian & Albretsen, Jon [Vis alle 7 forfattere av denne artikkelen] (2019). Impact of dynamic speciation in model simulations of river-discharged radionuclides in the marine environment.
  • Stige, Leif Christian; Kløver, Geir Olav; Dupont, Nicolas; Borgå, Katrine; Stenseth, Nils Christian & Isachsen, Pål Erik [Vis alle 7 forfattere av denne artikkelen] (2019). Kunnskap fra isødet.
  • Dugstad, Johannes Sandang; Koszalka, Inga; Isachsen, Pål Erik; Dagestad, Knut-Frode; Fer, Ilker & Lacasce, Joseph Henry (2019). Mass exchange of Atlantic Water with the Lofoten Basin derived from high resolution Lagragian simulations and Eulerian models.
  • Simonsen, Magne; Saetra, Øyvind; Isachsen, Pål Erik; Lind, Ole Christian; Skjerdal, Hilde Kristin & Salbu, Brit [Vis alle 8 forfattere av denne artikkelen] (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 [Vis alle 7 forfattere av denne artikkelen] (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 1890-1956. s. 28–31.
  • Simonsen, Magne; Lind, Ole Christian; Sætra, Øyvind; Isachsen, Pål Erik; Salbu, Brit & Strand, Per (2019). Marine transport modeling of radionuclides using a dynamic speciation approach. Norwegian University of Life Sciences. ISSN 978-82-575-1602-4.

Se alle arbeider i Cristin

Publisert 13. jan. 2016 16:12 - Sist endret 14. nov. 2022 15:15