• Centrifugevej, 356, 006

    2800 Kgs. Lyngby

    Denmark

1997 …2023

Research output per year

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Research Output

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Journal article
2020

A Third Generation Field-Aligned Current Model

Edwards, T., Weimer, D. R., Olsen, N., Lühr, H., Tobiska, W. K. & Anderson, B. J., 2020, (Accepted/In press) In : Journal of Geophysical Research.

Research output: Contribution to journalJournal articleResearchpeer-review

File
13 Downloads (Pure)
2019

Eigil Friis-Christensen 1944–2018

Finlay, C. & Olsen, N., 2019, In : Astronomy & Geophysics. 60, 1, p. 1.19-1.19

Research output: Contribution to journalJournal articleCommunication

Open Access
File
145 Downloads (Pure)

Exploring Earth’s magnetic field – Three make a Swarm

Olsen, N. & Pauluhn, A., 2019, In : Spatium. 2019, 43, p. 3-15

Research output: Contribution to journalJournal articleCommunication

Open Access
File
144 Downloads (Pure)

Spatial variation in the responses of the surface external and induced magnetic field to the solar wind

Shore, R. M., Freeman, M. P., Coxon, J. C., Thomas, E. G., Gjerløv, J. W. & Olsen, N., 2019, In : Journal of Geophysical Research. 16, 7, p. 6195-6211

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
42 Downloads (Pure)

The Magnetic Signatures of the M2, N2, and O1 Oceanic Tides Observed in Swarm and CHAMP Satellite Magnetic Data

Grayver, A. V. & Olsen, N., 2019, In : Geophysical Research Letters. 48, 8, p. 4230-4238

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
37 Downloads (Pure)

The Swarm Satellite Trio Studies Earth and Its Environment

Bouffard, J., Floberghagen, R. & Olsen, N., 2019, In : Earth & Space Science News. 100

Research output: Contribution to journalJournal articleCommunication

Open Access
2018

A comprehensive model of Earth’s magnetic field determined from 4 years of Swarm satellite observations

Sabaka, T. J., Tøffner-Clausen, L., Olsen, N. & Finlay, C. C., 2018, In : Earth, Planets and Space. 70, 1, 26 p., 130.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
186 Downloads (Pure)

Solar wind and seasonal influence on ionospheric currents from Swarm and CHAMP measurements

Laundal, K. M., Finlay, C. C., Olsen, N. & Reistad, J. P., 2018, In : Journal of Geophysical Research: Space Physics. 123, 5, p. 4402-4429

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
218 Downloads (Pure)
2017

Field-Aligned Current Response to Solar Indices

R. Edwards, T., Weimer, D. R., Tobiska, W. K. & Olsen, N., 2017, In : Journal of Geophysical Research. 122, 5, p. 5798-5815 18 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
146 Downloads (Pure)

LCS-1: A high-resolution global model of the lithospheric magnetic field derived from CHAMP and Swarm satellite observations

Olsen, N., Ravat, D., Finlay, C. & Kother, L. K., 2017, In : Geophysical Journal International. 211, 3, p. 1461–1477

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
373 Downloads (Pure)

Linear Response of Field-Aligned Currents to the Interplanetary Electric Field

Weimer, D. R., R. Edwards, T. & Olsen, N., 2017, In : Journal of Geophysical Research. 122, 8, p. 8502–8515

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
142 Downloads (Pure)

Magnetic signatures of ionospheric and magnetospheric current systems during geomagnetic quiet conditions - An overview

Olsen, N. & Stolle, C., 2017, In : Space Science Reviews. 206, p. 5–25

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
283 Downloads (Pure)

Near-Earth Magnetic Field Effects of Large-Scale Magnetospheric Currents

Lühr, H., Xiong, C., Olsen, N. & Le, G., 2017, In : Space Science Reviews. 206, p. 521–545

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
217 Downloads (Pure)

On the usage of geomagnetic indices for data selection in internal field modelling

Kauristie, K., Morschhauser, A., Olsen, N., Finlay, C., L. McPherron, R., Gjerloev, J. W. & Opgenoorth, H. J., 2017, In : Space Science Reviews. 206, p. 61–90

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
408 Downloads (Pure)
2016

A model of Earth’s magnetic field derived from 2 years of Swarm satellite constellation data

Olsen, N., Finlay, C., Kotsiaros, S. & Tøffner-Clausen, L., 2016, In : Earth, Planets and Space. 68, 1, 10 p., 124.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
698 Downloads (Pure)

Decadal period external magnetic field variations determined via eigenanalysis

Shore, R. M., Whaler, K. A., Macmillan, S., Beggan, C., Velímský, J. & Olsen, N., 2016, In : Journal of Geophysical Research: Space Physics. 121, 6, p. 5172-5184

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
191 Downloads (Pure)

Decadal variability in core surface flows deduced from geomagnetic observatory monthly means

Whaler, K. A., Olsen, N. & Finlay, C., 2016, In : Geophysical Journal International. 207, 1, p. 228-243

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
144 Downloads (Pure)

Determining polar ionospheric electrojet currents from Swarm satellite constellation magnetic data

Aakjær, C. D., Olsen, N. & Finlay, C., 2016, In : Earth, Planets and Space. 68, 1, 14 p., 140.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
541 Downloads (Pure)

Extracting Ocean-Generated Tidal Magnetic Signals from Swarm Data through Satellite Gradiometry

Sabaka, T. J., Tyler, R. H. & Olsen, N., 2016, In : Geophysical Research Letters. 43, 7, p. 3237–3245

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
296 Downloads (Pure)

In-flight scalar calibration and characterisation of the Swarm magnetometry package

Tøffner-Clausen, L., Lesur, V., Olsen, N. & Finlay, C., 2016, In : Earth, Planets and Space. 68, 1, 13 p., 129.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
278 Downloads (Pure)

Probing Earth’s conductivity structure beneath oceans by scalar geomagnetic data: autonomous surface vehicle solution

Kuvshinov, A., Matzka, J., Poedjono, B., Samrock, F., Olsen, N. & Pai, S., 2016, In : Earth, Planets and Space. 68, 1, 11 p., 189.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
181 Downloads (Pure)

Recent geomagnetic secular variation from Swarm and ground observatories as estimated in the CHAOS-6 geomagnetic field model

Finlay, C., Olsen, N., Kotsiaros, S., Gillet, N. & Tøffner-Clausen, L., 2016, In : EARTH PLANETS AND SPACE. 68, 18 p., 112.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
481 Downloads (Pure)

Satellite tidal magnetic signals constrain oceanic lithosphere-asthenosphere boundary

Grayver, A. V., Schnepf, N. R., Kuvshinov, A. V., Sabaka, T. J., Manoj, C. & Olsen, N., 2016, In : Science Advances. 2, 9, 7 p., e1600798.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
166 Downloads (Pure)

Special issue “Swarm science results after 2 years in space”

Olsen, N., Stolle, C., Floberghagen, R., Hulot, G. & Kuvshinov, A., 2016, In : Earth, Planets and Space. 68, 1, p. 1-3 172.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
184 Downloads (Pure)

Sunlight effects on the 3D polar current system determined from low Earth orbit measurements

Laundal, K. M., Finlay, C. & Olsen, N., 2016, In : Earth, Planets and Space. 68, p. 1-19 142.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
213 Downloads (Pure)
2015

A 2015 International Geomagnetic Reference Field (IGRF) candidate model based on Swarm’s experimental absolute magnetometer vector mode data

Vigneron, P., Hulot, G., Olsen, N., Léger, J-M., Jager, T., Brocco, L., Sirol, O., Coïsson, P., Lalanne, X., Chulliat, A., Bertrand, F., Boness, A. & Fratter, I., 2015, In : Earth, Planets and Space. 67, 12 p., 95.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
402 Downloads (Pure)

An Equivalent Source Method for Modelling the Global Lithospheric Magnetic Field

Kother, L. K., Hammer, M. D., Finlay, C. & Olsen, N., 2015, In : Geophysical Journal International. 203, p. 553-566

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
321 Downloads (Pure)

A new model of Earth's radial conductivity structure derived from over 10 yr of satellite and observatory magnetic data

Püthe, C., Kuvshinov, A., Khan, A. & Olsen, N., 2015, In : Geophysical Journal International. 203, 3, p. 1864-1872

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
342 Downloads (Pure)

CM5, a pre-Swarm comprehensive geomagnetic field model derived from over 12 yr of CHAMP, Ørsted, SAC-C and observatory data

Sabaka, T. J., Olsen, N., Tyler, R. H. & Kuvshinov, A., 2015, In : Geophysical Journal International. 200, 3, p. 1596-1626

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
301 Downloads (Pure)

DTU candidate field models for IGRF-12 and the CHAOS-5 geomagnetic field model

Finlay, C., Olsen, N. & Tøffner-Clausen, L., 2015, In : Earth, Planets and Space. 67, 114, 17 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
314 Downloads (Pure)

Handling complex source structures in global EM induction studies: from C-responses to new arrays of transfer functions

Puethe, C., Kuvshinov, A. & Olsen, N., 2015, In : Geophysical Journal International. 201, 1, p. 318-328

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
166 Downloads (Pure)

International Geomagnetic Reference Field: the 12th generation

Thébault, E., Finlay, C., Beggan, C. D., Alken, P., Aubert, J., Barrois, O., Bertrand, F., Bondar, T., Boness, A., Brocco, L., Olsen, N. & Tøffner-Clausen, L., 2015, In : Earth, Planets and Space. 67, 1, p. 1-19

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
467 Downloads (Pure)

Multispacecraft current estimates at swarm

Dunlop, M. W., Yang, Y-Y., Yang, J-Y., Lühr, H., Shen, C., Olsen, N., Ritter, P., Zhang, Q-H., Cao, J-B., Fu, H-S. & Haagmans, R., 2015, In : Journal of Geophysical Research: Space Physics. 120, 10, p. 8308-8316

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
170 Downloads (Pure)

POGO satellite orbit corrections: an opportunity to improve the quality of the geomagnetic field measurements?

Stockmann, R., Christiansen, F., Olsen, N. & Jackson, A., 2015, In : Earth, Planets and Space. 67, 10 p., 102.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
236 Downloads (Pure)

Simultaneous field-aligned currents at Swarm and Cluster satellites

Dunlop, M. W., Yang, J. Y., Yang, Y. Y., Xiong, C., Lühr, H., Bogdanova, Y. V., Shen, C., Olsen, N., Zhang, Q. H. & Cao, J. B., 2015, In : Geophysical Research Letters. 42, 10, p. 3683-3691

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
155 Downloads (Pure)

Swarm's absolute magnetometer experimental vector mode, an innovative capability for space magnetometry

Hulot, G., Vigneron, P., Leger, J-M., Fratter, I., Olsen, N., Jager, T., Bertrand, F., Brocco, L. & Sirol, O., 2015, In : Geophysical Research Letters. 42, 5, p. 1352-1359

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
303 Downloads (Pure)

The Swarm Initial Field Model for the 2014 geomagnetic field

Olsen, N., Hulot, G., Lesur, V., Finlay, C., Beggan, C., Chulliat, A., Sabaka, T. J., Floberghagen, R., Friis-Christensen, E., Kotsiaros, S. & Tøffner-Clausen, L., 2015, In : Geophysical Research Letters. 42, p. 1092-1098

Research output: Contribution to journalJournal articleResearchpeer-review

Use of along-track magnetic field differences in lithospheric field modelling

Kotsiaros, S., Finlay, C. & Olsen, N., 2015, In : Geophysical Journal International. 200, 2, p. 880-889

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
320 Downloads (Pure)
2014

End-to-End simulation study of a full magnetic gradiometry mission

Kotsiaros, S. & Olsen, N., 2014, In : Geophysical Journal International. 196, 1, p. 100-110

Research output: Contribution to journalJournal articleResearchpeer-review

The CHAOS-4 geomagnetic field model

Olsen, N., Lühr, H., Finlay, C., Sabaka, T. J., Michaelis, I., Rauberg, J. & Tøffner-Clausen, L., 2014, In : Geophysical Journal International. 197, 2, p. 815-827

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
226 Downloads (Pure)
2013

Ionospheric midlatitude electric current density inferred from multiple magnetic satellites

Shore, R. M., Whaler, K. A., Macmillan, S., Beggan, C., Olsen, N., Spain, T. & Aruliah, A., 2013, In : Journal of Geophysical Research. 118, 9, p. 5813-5829

Research output: Contribution to journalJournal articleResearchpeer-review

Observatory data and the Swarm mission

Macmillan, S. & Olsen, N., 2013, In : Earth Planets Space. 65, 11, p. 1355-1362

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
280 Downloads (Pure)

Stochastic modeling of the Earth's magnetic field: Inversion for covariances over the observatory era

Gillet, N., Jault, D., Finlay, C. & Olsen, N., 2013, In : Geochemistry, Geophysics, Geosystems. 14, 4, p. 766-786

Research output: Contribution to journalJournal articleResearchpeer-review

The Swarm Satellite Constellation Application and Research Facility (SCARF) and Swarm data products

Olsen, N., Friis-Christensen, E., Floberghagen, R., Alken, P., Beggan, C. D., Chulliat, A., Doornbos, E., Teixeira da Encarnacao, J., Hamilton, B., Hulot, G., van den IJssel, J., Kuvshinov, A., Lesur, V., Lühr, H., Macmillan, S., Maus, S., Noja, M., Olsen, P. E. H., Park, J., Plank, G. & 14 others, Püthe, C., Rauberg, J., Ritter, P., Rother, M., Sabaka, T. J., Schachtschneider, R., Sirol, O., Stolle, C., Thebault, E., Thomson, A. W. P., Tøffner-Clausen, L., Velimsky, J., Vigneron, P. & Visser, P. N., 2013, In : Earth, Planets and Space. 64, 11, p. 1189-1200 12 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
1247 Downloads (Pure)

Use of the Comprehensive Inversion method for Swarm satellite data analysis

Sabaka, T. J., Tøffner-Clausen, L. & Olsen, N., 2013, In : Earth Planets Space. 65, 11, p. 1201-1222

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
312 Downloads (Pure)
2012

Core surface magnetic field evolution 2000–2010

Finlay, C., Jackson, A., Gillet, N. & Olsen, N., 2012, In : Geophysical Journal International. 189, 2, p. 761-781

Research output: Contribution to journalJournal articleResearchpeer-review

Farside explorer: unique science from a mission to the farside of the moon

Mimoun, D., Wieczorek, M. A., Alkalai, L., Banerdt, W. B., Baratoux, D., Bougeret, J-L., Bouley, S., Cecconi, B., Falcke, H., Flohrer, J., Garcia, R. F., Grimm, R., Grott, M., Gurvits, L., Jaumann, R., Johnson, C. L., Knapmeyer, M., Kobayashi, N., Konovalenko, A., Lawrence, D. & 10 others, Le Feuvre, M., Lognonne, P., Neal, C., Oberst, J., Olsen, N., Rottgering, H., Spohn, T., Vennerstrøm, S., Woan, G. & Zarka, P., 2012, In : Experimental Astronomy. 33, 2-3, p. 529-585

Research output: Contribution to journalJournal articleResearchpeer-review

Satellite Geomagnetism

Olsen, N. & Stolle, C., 2012, In : Annual Review of Earth and Planetary Sciences. 40, p. 441-465

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
413 Downloads (Pure)

The geomagnetic field gradient tensor: Properties and parametrization in terms of spherical harmonics

Kotsiaros, S. & Olsen, N., 2012, In : G E M - International Journal on Geomathematics. 3, 2, p. 297-314

Research output: Contribution to journalJournal articleResearchpeer-review

94 Downloads (Pure)
2011

Mapping geomagnetic secular variation at the core-mantle boundary

Holme, R., Olsen, N. & Bairstow, F. L., 2011, In : Geophysical Journal International. 186, 2, p. 521-528

Research output: Contribution to journalJournal articleResearchpeer-review