Vitenskapelig artikkel

• Walker, Simon; Hatch, Spencer Mark; Laundal, Karl Magnus et al. (2025). Predictors of Substorm Onset Conjugate Displacement. (ekstern lenke)
• Huyghebaert, Devin Ray; Gustavsson, Björn Johan; Vierinen, Juha-Pekka et al. (2025). Simulation of interferometric imaging with EISCAT_3D for fine-scale in-beam incoherent scatter spectra measurements. (ekstern lenke)
• Walker, Simon; Laundal, Karl Magnus; Reistad, Jone Peter et al. (2024). A Comparison of Auroral Oval Proxies With the Boundaries of the Auroral Electrojets. (ekstern lenke)
• Walker, Simon; Laundal, Karl Magnus; Reistad, Jone Peter et al. (2024). The Ionospheric Leg of the Substorm Current Wedge: Combining Iridium and Ground Magnetometers. (ekstern lenke)
• Ohma, Anders; Laundal, Karl Magnus; Madelaire, Michael et al. (2024). Robust Estimates of Spatiotemporal Variations in the Auroral Boundaries Derived From Global UV Imaging. (ekstern lenke)
• Madelaire, Michael; Laundal, Karl Magnus; Hatch, Spencer Mark et al. (2024). Estimating the Ionospheric Induction Electric Field Using Ground Magnetometers. (ekstern lenke)
• Reistad, Jone Peter; Hatch, Spencer Mark; Laundal, Karl Magnus et al. (2024). Volumetric Reconstruction of Ionospheric Electric Currents From Tri-Static Incoherent Scatter Radar Measurements. (ekstern lenke)
• Decotte, Margot Emilie; Laundal, Karl Magnus; Hatch, Spencer Mark et al. (2024). Occurrence Probability of Magnetic Field Disturbances Measured With Swarm: Mapping the Dynamic Magnetosphere-Ionosphere Coupling. (ekstern lenke)
• Hatch, Spencer Mark; Vanhamäki, Heikki; Laundal, Karl Magnus et al. (2024). Does high-latitude ionospheric electrodynamics exhibit hemispheric mirror symmetry?. (ekstern lenke)
• Gasparini, Sara; Hatch, Spencer Mark; Reistad, Jone Peter et al. (2024). A Quantitative Analysis of the Uncertainties on Reconnection Electric Field Estimates Using Ionospheric Measurements. (ekstern lenke)
• Laundal, Karl Magnus; Hatch, Spencer Mark; Reistad, Jone Peter et al. (2024). How the Ionosphere Responds Dynamically to Magnetospheric Forcing. (ekstern lenke)
• Ohma, Anders; Madelaire, Michael; Laundal, Karl Magnus et al. (2023). Background removal from global auroral images: Data-driven dayglow modeling. (ekstern lenke)
• Walker, Simon; Laundal, Karl Magnus; Reistad, Jone Peter et al. (2023). Statistical Temporal Variations in the Auroral Electrojet Estimated With Ground Magnetometers in Fennoscandia. (ekstern lenke)
• Decotte, Margot Emilie; Laundal, Karl Magnus; Hatch, Spencer Mark et al. (2023). Auroral Oval Morphology: Dawn-Dusk Asymmetry Partially Induced by Earth's Rotation. (ekstern lenke)
• Madelaire, Michael; Laundal, Karl Magnus; Gjerløv, Jesper et al. (2023). Spatial Resolution in Inverse Problems: The EZIE Satellite Mission. (ekstern lenke)
• Edvartsen, Jone Øvretvedt; Maliniemi, Ville Aleksi; Nesse, Hilde et al. (2023). The Mansurov effect: Seasonal and solar wind sector structure dependence. (ekstern lenke)
• Babu, Eldho Midhun; Nesse, Hilde; Hatch, Spencer Mark et al. (2023). An Updated Geomagnetic Index-Based Model for Determining the Latitudinal Extent of Energetic Electron Precipitation. (ekstern lenke)
• Edvartsen, Jone Øvretvedt; Maliniemi, Ville Aleksi; Tyssøy, Hilde Nesse et al. (2022). The Mansurov effect: Statistical significance and the role of autocorrelation. (ekstern lenke)
• Madelaire, Michael; Laundal, Karl Magnus; Reistad, Jone Peter et al. (2022). Geomagnetic Response to Rapid Increases in Solar Wind Dynamic Pressure: Event Detection and Large Scale Response. (ekstern lenke)
• Laundal, Karl Magnus; Madelaire, Michael; Ohma, Anders et al. (2022). The relationship between interhemispheric asymmetries in polar ionospheric convection and the magnetic field line footpoint displacement field. (ekstern lenke)
• Madelaire, Michael; Laundal, Karl Magnus; Reistad, Jone Peter et al. (2022). Transient high latitude geomagnetic response to rapid increases in solar wind dynamic pressure. (ekstern lenke)
• Hatch, Spencer Mark; Laundal, Karl Magnus; Reistad, Jone Peter (2022). Testing the mirror symmetry of Birkeland and ionospheric currents with respect to magnetic latitude, dipole tilt angle, and IMF B <inf>y</inf>. (ekstern lenke)
• Hovland, Amalie Øie; Laundal, Karl Magnus; Reistad, Jone Peter et al. (2022). The Lompe code: A Python toolbox for ionospheric data analysis. (ekstern lenke)
• Laundal, Karl Magnus; Reistad, Jone Peter; Hatch, Spencer Mark et al. (2022). Local Mapping of Polar Ionospheric Electrodynamics. (ekstern lenke)
• Elhawary, Reham Zakaria Ahmed Mohamed; Laundal, Karl Magnus; Reistad, Jone Peter et al. (2022). Possible Ionospheric Influence on Substorm Onset Location. (ekstern lenke)
• Ohma, Anders; Reistad, Jone Peter; Hatch, Spencer Mark (2021). Modulation of Magnetospheric Substorm Frequency: Dipole Tilt and IMF By Effects. (ekstern lenke)
• McGranaghan, Ryan M.; Ziegler, Jack; Bloch, Téo et al. (2021). Toward a Next Generation Particle Precipitation Model: Mesoscale Prediction Through Machine Learning (a Case Study and Framework for Progress). (ekstern lenke)
• Ohma, Anders; Østgaard, Nikolai; Laundal, Karl Magnus et al. (2021). Evolution of IMF By Induced Asymmetries: The Role of Tail Reconnection. (ekstern lenke)
• Reistad, Jone Peter; Laundal, Karl Magnus; Østgaard, Nikolai et al. (2021). Quantifying the Lobe Reconnection Rate During Dominant IMF By Periods and Different Dipole Tilt Orientations . (ekstern lenke)
• Bjoland, Lindis Merete; Ogawa, Y.; Løvhaug, Unni Pia et al. (2021). Electron Density Depletion Region Observed in the Polar Cap Ionosphere. (ekstern lenke)
• Moser, Chrystal; LaBelle, James William; Hatch, Spencer Mark et al. (2021). The Cusp as a VLF Saucer Source: First Rocket Observations of Long‐Duration VLF Saucers on the Dayside. (ekstern lenke)
• Laundal, Karl Magnus; Reistad, Jone Peter; Hatch, Spencer Mark et al. (2020). Time-scale dependence of solar wind-based regression models of ionospheric electrodynamics. (ekstern lenke)
• Hatch, Spencer Mark; Moretto, Therese; Lynch, Kristina A. et al. (2020). The Relationship Between Cusp Region Ion Outflows and East‐West Magnetic Field Fluctuations at 4,000‐km Altitude. (ekstern lenke)
• Hatch, Spencer Mark; Haaland, Stein; Laundal, Karl Magnus et al. (2020). Seasonal and Hemispheric Asymmetries of F Region Polar Cap Plasma Density: Swarm and CHAMP Observations. (ekstern lenke)
• Hatch, Spencer Mark; LaBelle, James; Chaston, C. C. (2019). Inferring source properties of monoenergetic electron precipitation from kappa and Maxwellian moment‐voltage relationships. (ekstern lenke)
• Laundal, Karl Magnus; Hatch, Spencer Mark; Moretto, Therese (2019). Magnetic Effects of Plasma Pressure Gradients in the Upper F Region. (ekstern lenke)

Vitenskapelig foredrag

• Laundal, Karl Magnus; Reistad, Jone Peter; Hatch, Spencer Mark et al. (2024). Volumetric reconstruction of ionospheric electric currents from tri-static incoherent scatter radar measurements. (ekstern lenke)
• Huyghebaert, Devin Ray; Gustavsson, Björn Johan; Vierinen, Juha-Pekka et al. (2024). Interferometric Imaging of the Ion-Line with EISCAT_3D. (ekstern lenke)
• Huyghebaert, Devin Ray; Gustavsson, Björn Johan; Vierinen, Juha-Pekka et al. (2024). Interferometric Imaging of the Ion-Line with EISCAT_3D - Development and Software. (ekstern lenke)
• Huyghebaert, Devin Ray; Gustavsson, Björn Johan; Vierinen, Juha-Pekka et al. (2024). Interferometric Imaging of Ion Lines with EISCAT 3D - Resolving In-Beam Structures Using Long Baselines, Singular Value Decomposition, and Tikhonov Regularization. (ekstern lenke)
• Huyghebaert, Devin Ray; Gustavsson, Björn Johan; Vierinen, Juha-Pekka et al. (2024). Interferometric Imaging of the Ion-Line with EISCAT_3D. (ekstern lenke)
• Huyghebaert, Devin Ray; Gustavsson, Björn Johan; Vierinen, Juha-Pekka et al. (2024). Interferometric Imaging for Fine-Scale Ionospheric Plasma Parameter Determination with EISCAT_3D. (ekstern lenke)
• Hatch, Spencer Mark; Virtanen, Ilkka I. (2024). e3doubt and ISgeometry: Tools for EISCAT_3D experiment design and uncertainty analysis. (ekstern lenke)
• Hatch, Spencer Mark; Virtanen, Ilkka I.; Laundal, Karl Magnus et al. (2024). e3doubt: An open-source toolkit for E3D experiment planning and uncertainty estimation. (ekstern lenke)
• Hatch, Spencer Mark; Virtanen, Ilkka I.; Reistad, Jone Peter et al. (2024). E3D-BRITE: EISCAT_3D-based reconstruction of ionosphere-thermosphere electrodynamics. (ekstern lenke)
• Hatch, Spencer Mark; Virtanen, Ilkka I. (2023). E3Doubt: A python package. (ekstern lenke)
• Hatch, Spencer Mark; Ogawa, Yasunobu; Zettergren, Matthew David et al. (2022). Generation of a synthetic EISCAT_3D dataset. (ekstern lenke)
• Ohma, Anders; Laundal, Karl Magnus; Reistad, Jone Peter et al. (2022). Excitation and Decay of Auroral Flux. (ekstern lenke)
• Ohma, Anders; Madelaire, Michael; Laundal, Karl Magnus et al. (2022). Data Driven Dayglow Detection: Background removal from global FUV images. (ekstern lenke)
• Hatch, Spencer Mark; Haaland, Stein; Laundal, Karl Magnus et al. (2021). Hemispheric and seasonal variations in the cold plasma outflow source region: Swarm and CHAMP observations of F-region polar cap electron density. (ekstern lenke)
• Ohma, Anders; Reistad, Jone Peter; Hatch, Spencer Mark (2020). Modulation of magnetospheric substorm frequency: Dipole tilt and IMF By effects. (ekstern lenke)
• Hatch, Spencer Mark; Haaland, Stein; Laundal, Karl Magnus et al. (2020). Hemispheric and seasonal variations in the cold plasma outflow source region: polar cap ionosphere electron density at 350–500 km. (ekstern lenke)
• Spicher, Andres; Kletzing, Craig A.; Bounds, Scott et al. (2020). Cusp rocket experiment of density structures. (ekstern lenke)
• Hatch, Spencer Mark; Moretto, Therese; Laundal, Karl Magnus (2019). FAST observations of cusp/cleft-region ion upflow and field variations. (ekstern lenke)
• LaBelle, James; Kletzing, Craig A.; Moen, Jøran Idar et al. (2019). The Cusp Alfven and Plasma Electrodynamics 2 Mission. (ekstern lenke)
• Hatch, Spencer Mark; Moretto, Therese; Laundal, Karl Magnus (2019). The relative importance of diamagnetic effects in the high-latitude ionosphere. (ekstern lenke)
• Hatch, Spencer Mark; Moretto, Therese; Laundal, Karl Magnus (2019). Southern and Northern Hemisphere relationships between ion outflow and magnetic field fluctuations . (ekstern lenke)
• Hatch, Spencer Mark; Moretto, Therese; Laundal, Karl Magnus et al. (2019). Swarm as a platform for ion outflow studies. (ekstern lenke)
• Hatch, Spencer Mark; Moretto, Therese; Lynch, Kristina A. et al. (2019). FAST observations of cusp/cleft-region ion upflow and field variations. (ekstern lenke)
• Hatch, Spencer Mark; Baddeley, Lisa; Oksavik, Kjellmar et al. (2019). EDGAR: Energy Deposition in the Geomagnetic Cusp Alfvén Resonator. (ekstern lenke)
• Hatch, Spencer Mark; Chaston, C. C.; LaBelle, James William (2018). Nonthermal limit of monoenergetic electron precipitation in the terrestrial auroral acceleration region. (ekstern lenke)
• Hatch, Spencer Mark; Moretto, Therese; Verkhoglyadova, Olga P. et al. (2018). Relationships between Southern Hemisphere ion upflow, ”DC” and ”AC” Poynting fluxes, and ”DC” and ”AC” field variations. (ekstern lenke)

Populærvitenskapelig artikkel

• Hatch, Spencer Mark (2024). Farlige solstormer må varlses bedre. (ekstern lenke)

Poster

• Hatch, Spencer Mark; Reistad, Jone Peter; Laundal, Karl Magnus et al. (2023). E3D-BRITE: EISCAT_3D-based reconstruction of ionosphere-thermosphere electrodynamics. (ekstern lenke)
• Moser, Chrystal; LaBelle, James William; Kletzing, Craig A. et al. (2019). CAPER-2 and TRICE-2 Sounding Rocket Investigations: Whistler and Upper-Hybrid Waves in the Polar Cusp. (ekstern lenke)

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