Hjem
Stein Haalands bilde

Stein Haaland

Forsker
  • E-postStein.Haaland@uib.no
  • Telefon+47 55 58 32 98
  • Besøksadresse
    Allegt. 55
  • Postadresse
    Postboks 7803
    5020 BERGEN
Vitenskapelig artikkel
  • 2020. Estimating the fate of oxygen ion outflow from the high-altitude cusp. Annales Geophysicae. 491-505.
  • 2019. Separation and quantification of ionospheric convection sources: 2. The dipole tilt angle influence on reverse convection cells during northward IMF. Journal of Geophysical Research (JGR): Space Physics. 6182-6194.
  • 2019. Separation and quantification of ionospheric convection sources: 1. A new technique. Journal of Geophysical Research (JGR): Space Physics. 6343-6357.
  • 2019. Observations of asymmetric lobe convection for weak and strong tail activity. Journal of Geophysical Research (JGR): Space Physics. 9999-10017.
  • 2019. Mass‐loading the Earth's dayside magnetopause boundary layer and its effect on magnetic reconnection. Geophysical Research Letters. 6204-6213.
  • 2019. MMS observations of multiscale hall physics in the magnetotail. Geophysical Research Letters. 10230-10239.
  • 2019. Characteristics of the Flank Magnetopause: THEMIS Observations. Journal of Geophysical Research (JGR): Space Physics. 1-15.
  • 2018. The asymmetric geospace as displayed during the geomagnetic storm on 17 August 2001. Annales Geophysicae. 1577-1596.
  • 2018. Response of Earth's Neutral Sheet to Reversals in the IMF By Component. Journal of Geophysical Research (JGR): Space Physics. 8206-8218.
  • 2018. Quality Measure for the Walen Relation. Journal of Geophysical Research (JGR): Space Physics. 9979-9990.
  • 2018. Observations of asymmetries in ionospheric return flow during different levels of geomagnetic activity. Journal of Geophysical Research (JGR): Space Physics. 4638-4651.
  • 2018. Large-Scale Survey of the Structure of the Dayside Magnetopause by MMS. Journal of Geophysical Research (JGR): Space Physics. 2018-2033.
  • 2018. How the IMF By Induces a Local By Component During Northward IMF Bz and Characteristic Timescales. Journal of Geophysical Research (JGR): Space Physics. 3333-3348.
  • 2018. Evolution of Asymmetrically Displaced Footpoints During Substorms. Journal of Geophysical Research (JGR): Space Physics. 10,030-10,063.
  • 2018. Estimating the Kinetic Energy Budget of the Polar Wind Outflow. Journal of Geophysical Research (JGR): Space Physics. 7917-7929.
  • 2017. Solar illumination control of the polar wind. Journal of Geophysical Research (JGR): Space Physics. 11,468-11,480.
  • 2017. North-south asymmetries in cold plasma density in the magnetotail lobes: Cluster observations. Journal of Geophysical Research (JGR): Space Physics. 136-149.
  • 2017. Dayside and nightside magnetic field responses at 780 km altitude to dayside reconnection. Journal of Geophysical Research (JGR): Space Physics. 1670-1689.
  • 2017. Cold Ion Outflow Modulated by the Solar Wind Energy Input and Tilt of the Geomagnetic Dipole. Journal of Geophysical Research (JGR): Space Physics. 10658-10668.
  • 2016. Turbulence Heating ObserveR - satellite mission proposal. Journal of Plasma Physics. 1-16.
  • 2016. The impact of sunlight on high-latitude equivalent currents. Journal of Geophysical Research (JGR): Space Physics. 2715-2726.
  • 2016. Reconnection layer bounded by switch-off shocks: Dayside magnetopause crossing by THEMIS D. Journal of Geophysical Research (JGR): Biogeosciences. 3310-3332.
  • 2016. Magnetospheric response and reconfiguration times following IMF By reversals. Journal of Geophysical Research (JGR): Space Physics. 417-431.
  • 2016. Magnetopause reconnection layer bounded by switch-off shocks 2: Pressure anisotropy. Journal of Geophysical Research (JGR): Space Physics. 9940-9955.
  • 2016. Dynamic effects of restoring footpoint symmetry on closed magnetic field lines. Journal of Geophysical Research (JGR): Space Physics. 3963-3977.
  • 2016. Commentary on accessing 3-D currents in space: Experiences from Cluster. Journal of Geophysical Research (JGR): Space Physics.
  • 2015. Solar illumination control of ionospheric outflow above polar cap arcs. Geophysical Research Letters. 1304-1311.
  • 2015. Magnetopause orientation: Comparison between generic residue analysis and BV method. Journal of Geophysical Research (JGR): Space Physics. 3366-3379.
  • 2015. Interplanetary magnetic field and solar cycle dependence of Northern Hemisphere F region joule heating. Journal of Geophysical Research (JGR): Space Physics. 1478-1487.
  • 2015. Interhemispheric differences in ionospheric convection: Cluster EDI observations revisited. Journal of Geophysical Research (JGR): Space Physics. 5805-5823.
  • 2015. How the IMF By induces a By component in the closed magnetosphere and how it leads to asymmetric currents and convection patternsin the two hemispheres. Journal of Geophysical Research (JGR): Space Physics. 9368-9384.
  • 2015. Field-aligned chorus wave spectral power in Earth's outer radiation belt. Annales Geophysicae. 12 sider.
  • 2015. Estimation of cold plasma outflow during geomagnetic storms. Journal of Geophysical Research (JGR): Space Physics. 10622-10639.
  • 2015. Distribution of energetic oxygen and hydrogen in the near-Earth plasma sheet. Journal of Geophysical Research (JGR): Space Physics. 3415-3431.
  • 2015. Birkeland current effects on high-latitude ground magnetic field perturbations. Geophysical Research Letters. 7248-7254.
  • 2014. Intensity asymmetries in the dusk sector of the poleward auroral oval due to IMF Bx. Journal of Geophysical Research (JGR): Space Physics. 9497-9507.
  • 2014. Correction to “Oxygen and hydrogen ion abundance in the near-Earth magnetosphere: Statistical results on the response to the geomagnetic and solar wind activity conditions”. Journal of Geophysical Research (JGR): Space Physics.
  • 2014. Characteristics of the flank magnetopause: Cluster observations. Journal of Geophysical Research (JGR): Space Physics. 9019-9037.
  • 2013. Transport of cold ions from the polar ionosphere to the plasma sheet. Journal of Geophysical Research (JGR): Space Physics. 5467-5477.
  • 2013. Some aspects of modelling the high-latitude ionospheric convection from Cluster/Edi data. Geomagnetism and Aeronomy. 85-95.
  • 2013. Propagation delay of solar wind discontinuities: Comparing different methods and evaluating the effect of wavelet denoising. Journal of Geophysical Research (JGR): Space Physics. 3985-3994.
  • 2013. On the relation between asymmetries in the ring current and magnetopause current. Journal of Geophysical Research (JGR): Space Physics. 7593-7604.
  • 2013. Discontinuities and Alfvenic fluctuations in the solar wind. Annales Geophysicae. 871-887.
  • 2012. Solar cycle variations of the Cluster spacecraft potential and its use for electron density estimations. Journal of Geophysical Research (JGR): Space Physics.
  • 2012. Oxygen and hydrogen ion abundance in the near-Earth magnetosphere: Statistical results on the response to the geomagnetic and solar wind activity conditions. Journal of Geophysical Research (JGR): Space Physics. 13 sider.
  • 2012. On the ionospheric source region of cold ion outflow. Geophysical Research Letters. 5 sider.
  • 2012. Estimating the capture and loss of cold plasma from ionospheric outflow. Journal of Geophysical Research (JGR): Space Physics. 11 sider.
  • 2012. Energetic electrons along the high-latitude magnetopause. Annales Geophysicae. 1003-1013.
  • 2012. EIDOSCOPE: particle acceleration at boundaries. Experimental astronomy (Print). 491-527.
  • 2012. A survey of the polar cap density based on Cluster EFW probe measurements: Solar wind and solar irradiation dependence. Journal of Geophysical Research (JGR): Space Physics.
  • 2011. Thermospheric vorticity at high geomagnetic latitudes from CHAMP data and its IMF dependence. Annales Geophysicae. 181-186.
  • 2011. On the origin of the energetic ion events measured upstream of the Earth's bow shock by STEREO, Cluster, and Geotail. Journal of Geophysical Research (JGR): Space Physics. 13 sider.
  • 2011. Local structure of directional discontinuities in the solar wind. Journal of Geophysical Research (JGR): Space Physics. 8 sider.
  • 2011. Interhemispherical asymmetry of substorm onset locations and the interplanetary magnetic field. Geophysical Research Letters. 5 sider.
  • 2011. Energy conversion at the Earth's magnetopause using single and multispacecraft methods. Journal of Geophysical Research (JGR): Space Physics. 16 sider.
  • 2011. Accuracy of multi-point boundary crossing time analysis. Annales Geophysicae. 2239-2252.
  • 2010. Spectral characteristics of protons in the Earth's plasmasheet: statistical results from Cluster CIS and RAPID. Annales Geophysicae. 1483-1498.
  • 2010. On arc-polarized structures in the solar wind. Annales Geophysicae. 1229-1248.
  • 2010. A new technique for determining orientation and motion of a 2-D, non-planar magnetopause. Annales Geophysicae. 753-778.
  • 2009. Separatrix regions of magnetic reconnection at the magnetopause. Annales Geophysicae. 4039-4056.
  • 2009. Plasma transport in the magnetotail lobes. Annales Geophysicae. 3577-3590.
  • 2009. Magnetospheric convection from Cluster EDI measurements compared with the ground-based ionospheric convection model IZMEM. Annales Geophysicae. 3077-3087.
  • 2009. Can magnetotail reconnection produce the auroral intensities observed in the conjugate ionosphere? Journal of Geophysical Research (JGR): Space Physics. 13 sider.
  • 2008. What is the best method to calculate the solar wind propagation delay? Annales Geophysicae. 2383-2394.
  • 2008. The Hall current system revealed as a statistical significant pattern during fast flows. Annales Geophysicae. 3429-3437.
  • 2008. Plasma convection in the magnetotail lobes: statistical results from Cluster EDI measurements. Annales Geophysicae. 2371-2382.
  • 2008. IMF dependence of high-latitude thermospheric wind pattern derived from CHAMP cross-track measurements. Annales Geophysicae. 1581-1595.
  • 2008. High-latitude plasma convection during Northward IMF as derived from in-situ magnetospheric Cluster EDI measurements. Annales Geophysicae. 2685-2700.
  • 2008. Cluster observations of near-Earth magnetospheric lobe plasma densities – a statistical study. Annales Geophysicae. 2845-2852.
  • 2008. Cluster observations of near-Earth magnetospheric lobe plasma densities - a statistical study. Annales Geophysicae. 2845-2852.
  • 2007. High-latitude plasma convection from Cluster EDI: variances and solar wind correlations. Annales Geophysicae. 1691-1707.
  • 2007. High-latitude plasma convection from Cluster EDI measurements: method and IMF-dependence. Annales Geophysicae. 239-253.
  • 2007. Cluster observations of a field aligned current at the dawn flank of a bursty bulk flow. Annales Geophysicae. 1405-1415.
  • 2006. ross-Polar Magnetospheric Plasma Drift as Observed by Cluster EDI: Statistical results. Proceedings of the Cluster and Double Star Symposium - 5th Anniversary of Cluster in Space.
  • 2006. Orientation and motion of a plasma discontinuity from single-spacecraft measurements: Generic residue analysis of Cluster data. Journal of Geophysical Research (JGR).
  • 2006. Discontinuity analysis with Cluster. Proceedings of the Cluster and Double Star Symposium - 5th Anniversary of Cluster in Space.
  • 2006. Comment on "A New Interpretation of Weimer et al.'s Solar Wind Propagation Technique". Journal of Geophysical Research (JGR).
  • 2005. Survey of energetic O+ ions near the dayside mid-latitude magnetopause with Cluster. Annales Geophysicae. 1281-1294.
  • 2005. Magnetopause and Boundary Layer. Space Science Reviews. 231-320.
  • 2005. Characteristics of the near-tail dawn magnetopause and boundary layer. Annales Geophysicae. 1481-1497.
Rapport
  • 2008. Multi-Spacecraft Analysis Methods Revisited. .
Faglig foredrag
  • 2014. Cold ion outflow from the polar caps: Cluster results.
  • 2013. On the supply of cold plasma to the magnetotail.
  • 2013. Dawn-dusk asymmetries in magnetopause currents and the ring current.
Populærvitenskapelig foredrag
  • 2013. On the role of ion outflow for planetary mass balance.
  • 2013. Cold ion ouflow from the polar ionosphere.
Vitenskapelig foredrag
  • 2019. Swarm as a platform for ion outflow studies.
  • 2019. Observations of Asymmetric Lobe Convection for Weak and Strong Tail Reconnection.
  • 2019. Cluster EDI Observations of the Asymmetric Plasma Convection in the Magnetotail Lobes During Different Levels of Tail Reconnection Rate .
  • 2019. A new way to identify and quantify the sources of ionospheric convection.
  • 2017. Tools for THOR: Structure analysis.
  • 2017. The influence of plasma flows bringing the magnetotail back to a more symmetric configuration.
  • 2017. The asymmetric magnetosphere.
  • 2017. North-south asymmetries in polar ionospheric currents - effects of asymmetries in the main magnetic field.
  • 2017. North-south asymmetries in lobe density: Cluster observations.
  • 2017. North-South asymmetries in cold plasma density.
  • 2017. Looking South for the Northern Lights:Substorm Physics as University Curriculum.
  • 2017. How the IMF By induces a By-component on closed field lines during northward IMF Bz.
  • 2017. Dayside and nightside magnetic field responses at 780 km altitude to dayside reconnection.
  • 2017. Characterizing external influence on the large-scale polar ionospheric current system.
  • 2017. Ion outflow at equinox conditions: North-south asymmetries.
  • 2016. Tools for THOR: Selecting scales using wavelet transforms.
  • 2015. What did we learn from Cluster observations at the magnetopause?
  • 2015. Using EISCAT vertical velocities to assess mechanisms for ion outflow.
  • 2015. On which timescales are By induced in the closed magnetosphere?
  • 2015. North-south asymmetries in magnetospheric and ionospheric plasma circulation (Invited).
  • 2015. Magnetic field patterns near the polar cap boundary.
  • 2015. Generation of Birkeland Currents during IMF By; Mechanisms and theory.
  • 2015. Estimation of cold plasma outflow during geomagnetic storms (Invited),.
  • 2015. Effects of electric field component representation on estimated cross polar cap potential - Implications for interhemispheric asymmetries.
  • 2015. Cold Ion Outflow from the Polar Cap.
  • 2015. Cluster observations of cold ion outflow during the GEM storms.
  • 2014. Estimation of cold ion outflow rates throughout a geomagnetic storm.
  • 2014. Dawn-dusk asymmetries in the magnetopause and ring current.
  • 2014. Dawn-dusk asymmetries in the magnetopause and ring current.
  • 2014. Comparison of solar wind driving of the aurora in the two hemispheres due to the solar wind dynamo.
  • 2014. Cold Ion Outflow: Cluster Measurements During the GEM First Storm Period.
  • 2014. Asymmetric Solar Wind dynamo efficiency and IMF Bx.
  • 2013. On the role of the magnetopause for ring current closure.
  • 2013. On the role of cold ion outflow for planetary mass balance.
  • 2013. Investigation of the role of IMF Bx on magnetopause characteristic past the terminator.
  • 2013. Investigation of a possible IMF Bx influence on magnetopause characteristics.
  • 2013. Investigation of a possible IMF Bx influence on magnetopause characteristic.
  • 2013. Inter-hemispheric currents in the ring current region.
  • 2013. Intensity asymmetries between the northern and southern auroral ovals associated with the x-component of the Interplanetary Magnetic Field.
  • 2013. Dawn–Dusk Asymmetries in the Terrestrial Magnetosphere–Ionosphere System.
  • 2013. Characteristics of the flank magnetopause - contributions from the Cluster mission.
  • 2011. Asymmetries of substorm onset location and the dynamic behavior of auroral substorms during expansion phase.
  • 2005. Discontinuity analysis with Cluster.
  • 1996. A Case Study of the January 23 - 24, 1991 Substorm Event.
Leder
  • 2010. Solar wind propagation delay: Comment on "Minimum variance analysis-based propagation of the solar wind observations: Application to real-time global magnetohydrodynamic simulations" by A. Pulkkinen and L. Raststatter. Space Weather: The international journal of research and applications. 6 sider.
Vitenskapelig antologi/Konferanseserie
  • 2017. Dawn-Dusk Asymmetries in Planetary Plasma Environments. John Wiley & Sons.
  • 2009. Generation and validation of ion energy spectra based on Cluster RAPID and CIS measurements, In "The Cluster Active Archive : Studying the Earth's Plasma Environment". Springer.
Vitenskapelig monografi
  • 2005. Outer Magnetospheric Boundaries: Cluster Results.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • 2017. The Role of the Upper Atmosphere for Dawn-Dusk Differences in the Coupled Magnetosphere-Ionosphere-Thermosphere System. 18 sider.
  • 2017. Magnetopause Thickness at the Dawn and Dusk Flanks. 10 sider.
  • 2017. Low‐energy Ion Outflow Observed by Cluster: Utilizing the Spacecraft Potential. 15 sider.
  • 2017. Dawn-Dusk Asymmetries of Ionospheric Outflow. 12 sider.
  • 2017. Dawn-Dusk Asymmetries in the Near-Earth Plasma Sheet: Ion Observations. 12 sider.
  • 2017. Dawn-Dusk Asymmetries at the Terrestrial Magnetopause: Observations. 12 sider.
Poster
  • 2019. Quantifying the dipole tilt influence on reverse convection cells during northward IMF using spherical elementary functions.
  • 2019. A new way to identify and quantify the sources of ionospheric convection.
  • 2018. How the IMF BY induces a BY component on closed field lines during northward IMF Bz and characteristic timescales.
  • 2017. When and where is the process of restoring symmetry important?
  • 2017. The asymmetric geospace - the most common state of the system.
  • 2017. How the IMF By induces a By-component on closed field lines during northward IMF Bz.
  • 2016. Tools of Thor–more than a hammer: An overview of some analysis methods for turbulence investigation.
  • 2016. North-south asymmetries in cold ion outflow and lobe density.
  • 2016. How the IMF By induces a By component on closed field lines during northward IMF Bz.
  • 2016. Dynamic effects of restoring footpoint symmetry on closed magnetic field-lines: Asymmetric Birkeland currents.
  • 2015. The Impact of IMF By on the Magnetosphere-Ionosphere System.
  • 2015. Solar wind coupling times from the dayside to the nightside as observed by AMPERE.
  • 2015. On the importance of magnetotail untwisting.
  • 2015. On the importance of magnetotail untwist.
  • 2015. Birkeland Current Effects on High-Latitude Ground Magnetic Field Perturbations.
  • 2014. Hemispheric asymmetries in the global aurora and IMF Bx.
  • 2014. Generation of Field Aligned Currents during IMF By: Mechanisms and theory.
  • 2013. On the electromagnetic forcing of the thermospheric neutral wind.
  • 2013. On the electromagnetic forcing of atmospheric neutral winds.
  • 2013. Inter-hemispheric currents in the ring current region as seen by the Cluster spacecraft.
  • 2013. Differences of the Plasma Drift and Upper Thermospheric Wind Behaviour in the Northern and Southern Polar Regions due to the Geomagnetic Field Asymmetry.
  • 2013. Auroral intensity asymmetries associated with the x-component of the interplanetary magnetic field in the two polar hemispheres.
  • 2008. Field aligned currents detected during fats flows in the magnetotail.
  • 2008. A statistical study of the current sheet structure associated with fast flows in the magnetotail.
Errata
  • 2014. Correction to "Oxygen and hydrogen ion abundance in the near-Earth magnetosphere: Statistical results on the response to the geomagnetic and solar wind activity conditions". Journal of Geophysical Research (JGR): Space Physics. 355-356.
Vitenskapelig oversiktsartikkel/review
  • 2016. North–south asymmetries in Earth’s magnetic field effects on high-latitude geospace. 225-257.
  • 2014. Dawn-dusk asymmetries in the coupled solar wind-magnetosphere-ionosphere system: a review. 705-737.
  • 2008. Transient and localized processes in the magnetotail: a review. 955-1006.

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