• Centrifugevej, 356, 006

    2800 Kgs. Lyngby

    Denmark

1997 …2023

Research output per year

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Research Output

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)

Earth's Magnetic Field: Understanding Geomagnetic Sources from the Earth's Interior and its Environment

Stolle, C. (ed.), Olsen, N. (ed.), Richmond, A. D. (ed.) & Opgenoorth, H. J. (ed.), 2018, Springer. 626 p. (International Space Science Institute. Space Science Series, Vol. 60).

Research output: Book/ReportBook

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

Editorial: Topical Volume on Earth's Magnetic Field - Understanding Geomagnetic Sources from the Earth's Interior and its Environment

Stolle, C., Olsen, N., Richmond, A. D. & Opgenoorth, H. J., 2017, In : Space Science Reviews. 206, p. 1-3

Research output: Contribution to journalEditorialResearch

Open Access
File
150 Downloads (Pure)

Editorial: Topical Volume on Earth’s Magnetic Field—Understanding Geomagnetic Sources from the Earth’s Interior and Its Environment

Stolle, C., Olsen, N., Richmond, A. D. & Opgenoorth, H. J., 2017, In : Space Science Reviews. 206, 1, p. 1-3

Research output: Contribution to journalEditorialResearchpeer-review

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)

The CHAOS-X Model and Uncertainty Values for Magnetic Directional Surveying

Herland, E. V., Finlay, C., Olsen, N., Edvardsen, I., Nordgård-Hansen, E., Laundal, K. M. & Waag, T. I., 2017, Proceedings of the 24th International SPE Bergen One Day Seminar.. Society of Petroleum Engineers, 16 p. SPE-185895-MS

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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)

A Model of the Earth's Magnetic Field From Two Year of Swarm Satellite Constellation Data

Olsen, N., Finlay, C., Tøffner-Clausen, L. & Kotsiaros, S., 2016. 1 p.

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

Open Access

Changes in Earth's core-generated magnetic field, as observed by Swarm

Finlay, C., Olsen, N., Gillet, N., Kotsiaros, S., Tøffner-Clausen, L. & Hammer, M. D., 2016. 1 p.

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

Open Access

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)

Investigating the polar electrojet using Swarm satellite magnetic data

Aakjær, C. D., Olsen, N. & Finlay, C., 2016. 1 p.

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

Open Access

Level-2 product generation for the Swarm satellite constellation mission

Olsen, P. E. H., Tøffner-Clausen, L. & Olsen, N., 2016. 1 p.

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

Open Access

Magnetic Package data quality overview

Qamili, E., Ottavianelli, G., Olsen, N., Tøffner-Clausen, L., Mecozzi, R., Coco, I., Vogel, P. & Floberghagen, R., 2016. 1 p.

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

Open Access

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)

Swarm: Recent Progress in Analysis of the Sun Induced Magnetic Disturbance

Tøffner-Clausen, L., Lesur, V., Brauer, P., Olsen, N., Finlay, C. & Qamili, E., 2016. 1 p.

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

Open Access

Swarm Level 2 Comprehensive Inversion, 2016 Production

Tøffner-Clausen, L., Sabaka, T., Olsen, N. & Finlay, C., 2016. 1 p.

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

Open Access

Swarm magnetic and GOCE gravity gradient grids for lithospheric modelling

Bouman, J., Ebbing, J., Kotsiaros, S., Brönner, M., Sebera, J., Haagmans, R., Fuchs, M., Holzrichter, N., Olsen, N., Baykiev, E. & Novak, P., 2016. 1 p.

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

Open Access

Swarm Products and Space Weather Applications

Stolle, C., Olsen, N., Martini, D., Kervalishvili, G., Berdermann, J., Doornbos, E., Dunlop, M. W., Heilig, B., Marghitu, O. & Thomson, A. W. P., 2016. 1 p.

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

Open Access

The absolute magnetometers on board Swarm, lessons learned from more than two years in space

Hulot, G., Leger, J-M., Vigneron, P., Olsen, N., Jager, T., Bertrand, F., Fratter, I., Coïsson, P., Sirol, O. & Lalanne, X., 2016. 1 p.

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

Open Access

The Delta low-inclination satellite concept, an opportunity to enhance the science return of the Swarm mission

Hulot, G., Leger, J-M., Olsen, N., Stolle, C., Chulliat, A., Kuvshinov, A., Vigneron, P., Lesur, V., Shimizu, H. & Sreenivasan, B., 2016. 1 p.

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

Open Access

The electrical conductivity of the upper mantle and lithosphere from the magnetic signal due to ocean tidal flow

Schnepf, N. R., Kuvshinov, A., Grayver, A., Sabaka, T. & Olsen, N., 2016. 1 p.

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

Open Access

Towards an improved determination of Earth’s lithospheric field from satellite observations

Kotsiaros, S., Olsen, N. & Finlay, C., 2016. 1 p.

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

Open Access

Towards improved knowledge of geology and global thermal regime from Swarm satellites magnetic gradient observations

Ravat, D., Olsen, N., Sabaka, T., Kother, L. K., Kotsiaros, S. & Purucker, M., 2016. 1 p.

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

Open Access
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)

An Equivalent Source Method for Modelling the Lithospheric Magnetic Field Using Satellite and Airborne Magnetic Data

Kother, L. K., D. Hammer, M., C. Finlay, C. & Olsen, N., 2015

Research output: Non-textual formSound/Visual production (digital)Research

Open Access
File
113 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)

Den magnetiske misvisning i Danmark, Grønland og Færøerne 2015: Geomagnetisme og misvisningskort for Danmark

Finlay, C. & Olsen, N., 2015, Københavns Universitets Almanak 2015. Københavns Universitet, p. 79-80

Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

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)