Nils Olsen

Nils Olsen

Professor -head of Geomagnetism

DTU SPACE
National Space Institute

Geomagnetism

Technical University of Denmark

Centrifugevej

Building 356, room 006

2800 Kgs. Lyngby

Ph.
Mobile
Fax +45 45 25 97 01
E-mail nio@space.dtu.dk
ORCID 0000-0003-1132-6113
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2020
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A Third Generation Field-Aligned Current Model

Edwards, Thomas ; Weimer, D. R. ; Olsen, Nils ; Lühr, Hermann ; Tobiska, W. K. ; Anderson, B. J.
in: Journal of Geophysical Research

Type: Journal article (Peer reviewed)

Status: Accepted/In press     |    Year: 2020

2019
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Eigil Friis-Christensen 1944–2018

Finlay, Chris ; Olsen, Nils
in: Astronomy & Geophysics, vol: 60, issue: 1, pages: 1.19-1.19

Type: Journal article

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1093/astrogeo/atz044

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Exploring Earth’s magnetic field – Three make a Swarm

Olsen, Nils ; Pauluhn, Anuschka
in: Spatium, vol: 2019, issue: 43, pages: 3-15

Type: Journal article

Status: Published     |    Year: 2019

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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.
in: Journal of Geophysical Research: Atmospheres, vol: 16, issue: 7, pages: 6195-6211

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1029/2019JA026543

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

Grayver, Alexander V. ; Olsen, Nils
in: Geophysical Research Letters, vol: 48, issue: 8, pages: 4230-4238

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1029/2019GL082400

 

The Swarm Satellite Trio Studies Earth and Its Environment

Bouffard, Jérôme ; Floberghagen, Rune ; Olsen, Nils
in: Earth & Space Science News, vol: 100

Type: Journal article

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1029/2019EO123269

2018
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A comprehensive model of Earth’s magnetic field determined from 4 years of Swarm satellite observations

Sabaka, Terence J. ; Tøffner-Clausen, Lars ; Olsen, Nils ; Finlay, Christopher C.
in: Earth, Planets and Space, vol: 70, issue: 1

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1186/s40623-018-0896-3

 

Earth's Magnetic Field

Stolle, Claudia (Editor) ; Olsen, Nils ; Richmond, Arthur D. (Editor) ; Opgenoorth, Hermann J. (Editor)

Type: Book (Peer reviewed)

Status: Published     |    Year: 2018

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

Laundal, K. M. ; Finlay, C. C. ; Olsen, N. ; Reistad, J. P.
in: Journal of Geophysical Research: Space Physics, vol: 123, issue: 5, pages: 4402-4429

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1029/2018JA025387

2017
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Editorial: Topical Volume on Earth's Magnetic Field - Understanding Geomagnetic Sources from the Earth's Interior and its Environment

Stolle, Claudia ; Olsen, Nils ; Richmond, Arthur D. ; Opgenoorth, Hermann J.
in: Space Science Reviews, vol: 206, pages: 1-3

Type: Editorial

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1007/s11214-017-0346-8

 

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

Stolle, Claudia ; Olsen, Nils ; Richmond, Arthur D. ; Opgenoorth, Hermann J.
in: Space Science Reviews, vol: 206, issue: 1, pages: 1-3

Type: Editorial (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1007/s11214-017-0346-8

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Field-Aligned Current Response to Solar Indices

R. Edwards, Thom ; Weimer, D. R. ; Tobiska, W. K. ; Olsen, Nils
in: Journal of Geophysical Research, vol: 122, issue: 5, pages: 5798-5815

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1002/2016ja023563

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

Olsen, Nils ; Ravat, Dhananjay ; Finlay, Chris ; Kother, Livia Kathleen
in: Geophysical Journal International, vol: 211, issue: 3, pages: 1461–1477

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1093/gji/ggx381

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

Weimer, D. R. ; R. Edwards, T. ; Olsen, Nils
in: Journal of Geophysical Research: Atmospheres, vol: 122, issue: 8, pages: 8502–8515

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1002/2017JA024372

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

Olsen, Nils ; Stolle, Claudia
in: Space Science Reviews, vol: 206, pages: 5–25

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1007/s11214-016-0279-7

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

Lühr, Hermann ; Xiong, Chao ; Olsen, Nils ; Le , Guan
in: Space Science Reviews, vol: 206, pages: 521–545

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1007/s11214-016-0267-y

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

Kauristie, K. ; Morschhauser, A. ; Olsen, Nils ; Finlay, Chris ; L. McPherron, R. ; Gjerloev, J. W. ; Opgenoorth, H. J.
in: Space Science Reviews, vol: 206, pages: 61–90

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1007/s11214-016-0301-0

 

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

Herland, E. V. ; Finlay, Chris ; Olsen, Nils ; Edvardsen, I. ; Nordgård-Hansen, E. ; Laundal, K.M. ; Waag, T. I.
part of: Proceedings of the 24th International SPE Bergen One Day Seminar., 2017, Society of Petroleum Engineers
Presented at:
24th SPE Bergen One Day Seminar

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.2118/185895-MS

2016
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A model of Earth’s magnetic field derived from 2 years of Swarm satellite constellation data

Olsen, Nils ; Finlay, Chris ; Kotsiaros, Stavros ; Tøffner-Clausen, Lars
in: Earth, Planets and Space, vol: 68, issue: 1

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1186/s40623-016-0488-z

 

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

Olsen, Nils ; Finlay, Chris ; Tøffner-Clausen, Lars ; Kotsiaros, Stavros
Presented at:
ESA Living Planet Symposium 2016

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2016

 

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

Finlay, Chris ; Olsen, Nils ; Gillet, Nicolas ; Kotsiaros, Stavros ; Tøffner-Clausen, Lars ; Hammer, Magnus Danel
Presented at:
ESA Living Planet Symposium 2016

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2016

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Decadal period external magnetic field variations determined via eigenanalysis

Shore, R. M. ; Whaler, K. A. ; Macmillan, S. ; Beggan, C. ; Velímský, J. ; Olsen, Nils
in: Journal of Geophysical Research: Space Physics, vol: 121, issue: 6, pages: 5172-5184

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1002/2015JA022066

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

Whaler, K. A. ; Olsen, Nils ; Finlay, Chris
in: Geophysical Journal International, vol: 207, issue: 1, pages: 228-243

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1093/gji/ggw268

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Determining polar ionospheric electrojet currents from Swarm satellite constellation magnetic data

Aakjær, Cecilie Drost ; Olsen, Nils ; Finlay, Chris
in: Earth, Planets and Space, vol: 68, issue: 1

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1186/s40623-016-0509-y

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

Sabaka, Terence J. ; Tyler, Robert H. ; Olsen, Nils
in: Geophysical Research Letters, vol: 43, issue: 7, pages: 3237–3245

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1002/2016GL068180

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

Tøffner-Clausen, Lars ; Lesur, Vincent ; Olsen, Nils ; Finlay, Chris
in: Earth, Planets and Space, vol: 68, issue: 1

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1186/s40623-016-0501-6

 

Investigating the polar electrojet using Swarm satellite magnetic data

Aakjær, Cecilie Drost ; Olsen, Nils ; Finlay, Chris
Presented at:
ESA Living Planet Symposium 2016

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2016

 

Level-2 product generation for the Swarm satellite constellation mission

Olsen, Poul Erik Holmdahl ; Tøffner-Clausen, Lars ; Olsen, Nils
Presented at:
ESA Living Planet Symposium 2016

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2016

 

Magnetic Package data quality overview

Qamili, Enkelejda ; Ottavianelli, Giuseppe ; Olsen, Nils ; Tøffner-Clausen, Lars ; Mecozzi, Riccardo ; Coco , Igino ; Vogel, Pierre ; Floberghagen, Rune
Presented at:
ESA Living Planet Symposium 2016

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2016

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

Kuvshinov, Alexey ; Matzka, Jürgen ; Poedjono, Benny ; Samrock, Friedemann ; Olsen, Nils ; Pai, Sudhir
in: Earth, Planets and Space, vol: 68, issue: 1

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1186/s40623-016-0553-7

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

Finlay, Chris ; Olsen, Nils ; Kotsiaros, Stavros ; Gillet, Nicolas ; Tøffner-Clausen, Lars
in: EARTH PLANETS AND SPACE, vol: 68

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1186/s40623-016-0486-1

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Satellite tidal magnetic signals constrain oceanic lithosphere-asthenosphere boundary

Grayver, Alexander V. ; Schnepf, Neesha R. ; Kuvshinov, Alexey V. ; Sabaka, Terence J. ; Manoj, Chandrasekharan ; Olsen, Nils
in: Science Advances, vol: 2, issue: 9

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1126/sciadv.1600798

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

Olsen, Nils ; Stolle, Claudia ; Floberghagen, Rune ; Hulot, Gauthier ; Kuvshinov, Alexey
in: Earth, Planets and Space, vol: 68, issue: 1, pages: 1-3

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1186/s40623-016-0546-6

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

Laundal, Karl M. ; Finlay, Chris ; Olsen, Nils
in: Earth, Planets and Space, vol: 68, pages: 1-19

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1186/s40623-016-0518-x

 

Swarm Level 2 Comprehensive Inversion, 2016 Production

Tøffner-Clausen, Lars ; Sabaka, Terence ; Olsen, Nils ; Finlay, Chris
Presented at:
ESA Living Planet Symposium 2016

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2016

 

Swarm magnetic and GOCE gravity gradient grids for lithospheric modelling

Bouman, Johannes ; Ebbing, Jörg ; Kotsiaros, Stavros ; Brönner, Marco ; Sebera, Josef ; Haagmans, Roger ; Fuchs, Martin ; Holzrichter, Nils ; Olsen, Nils ; Baykiev, Eldar ; Novak, Pavel
Presented at:
ESA Living Planet Symposium 2016

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2016

 

Swarm Products and Space Weather Applications

Stolle, Claudia ; Olsen, Nils ; Martini, Daniel ; Kervalishvili, Guram ; Berdermann, Jens ; Doornbos, Eelco ; Dunlop, Malcom W. ; Heilig, Balazs ; Marghitu, Octav ; Thomson, Alan W.P.
Presented at:
ESA Living Planet Symposium 2016

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2016

 

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

Tøffner-Clausen, Lars ; Lesur, Vincent ; Brauer, Peter ; Olsen, Nils ; Finlay, Chris ; Qamili, Enkelejda
Presented at:
ESA Living Planet Symposium 2016

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2016

 

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

Hulot, Gauthier ; Leger, Jean-Michel ; Vigneron, Pierre ; Olsen, Nils ; Jager, Thomas ; Bertrand, François ; Fratter, Isabelle ; Coïsson, Pierdavide ; Sirol, Olivier ; Lalanne, Xavier
Presented at:
ESA Living Planet Symposium 2016

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2016

 

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

Hulot, Gauthier ; Leger, Jean-Michel ; Olsen, Nils ; Stolle, Claudia ; Chulliat, Arnaud ; Kuvshinov, Alexey ; Vigneron, Pierre ; Lesur, Vincent ; Shimizu, Hisayoshi ; Sreenivasan, Binod
Presented at:
ESA Living Planet Symposium 2016

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2016

 

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

Schnepf, Neesha Regmi ; Kuvshinov, Alexey ; Grayver, Alexander ; Sabaka, Terence ; Olsen, Nils
Presented at:
ESA Living Planet Symposium 2016

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2016

 

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

Kotsiaros, Stavros ; Olsen, Nils ; Finlay, Chris
Presented at:
ESA Living Planet Symposium 2016

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2016

 

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

Ravat, Dhananjay ; Olsen, Nils ; Sabaka, Terence ; Kother, Livia Kathleen ; Kotsiaros, Stavros ; Purucker, Michael
Presented at:
ESA Living Planet Symposium 2016

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2016

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

Vigneron, Pierre ; Hulot, Gauthier ; Olsen, Nils ; Léger, Jean-Michel ; Jager, Thomas ; Brocco, Laura ; Sirol, Olivier ; Coïsson, Pierdavide ; Lalanne, Xavier ; Chulliat, Arnaud ; Bertrand, François ; Boness, Axel ; Fratter, Isabelle
in: Earth, Planets and Space, vol: 67

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1186/s40623-015-0265-4

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An Equivalent Source Method for Modelling the Global Lithospheric Magnetic Field

Kother, Livia Kathleen ; Hammer, Magnus Danel ; Finlay, Chris ; Olsen, Nils
in: Geophysical Journal International, vol: 203, pages: 553-566

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1093/gji/ggv317

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

Kother, Livia Kathleen ; D. Hammer, Magnus ; C. Finlay, Christopher ; Olsen, Nils
Presented at:
2014 AGU Fall Meeting

Type: Sound/Visual production (digital)

Status: Published     |    Year: 2015

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

Püthe, Christoph ; Kuvshinov, Alexey ; Khan, Amir ; Olsen, Nils
in: Geophysical Journal International, vol: 203, issue: 3, pages: 1864-1872

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1093/gji/ggv407

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

Sabaka, Terence J. ; Olsen, Nils ; Tyler, Robert H. ; Kuvshinov, Alexey
in: Geophysical Journal International, vol: 200, issue: 3, pages: 1596-1626

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1093/gji/ggu493

 

Den magnetiske misvisning i Danmark, Grønland og Færøerne 2015

Finlay, Chris ; Olsen, Nils
part of: Københavns Universitets Almanak 2015, pages: 79-80, 2015, Københavns Universitet

Type: Book chapter (Peer reviewed)

Status: Published     |    Year: 2015

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

Finlay, Chris ; Olsen, Nils ; Tøffner-Clausen, Lars
in: Earth, Planets and Space, vol: 67, issue: 114

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1186/s40623-015-0274-3

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

Puethe, Christoph ; Kuvshinov, Alexey ; Olsen, Nils
in: Geophysical Journal International, vol: 201, issue: 1, pages: 318-328

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1093/gji/ggv021

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International Geomagnetic Reference Field: the 12th generation

Thébault, Erwan ; Finlay, Chris ; Beggan, Ciarán D. ; Alken, Patrick ; Aubert, Julien ; Barrois, Olivier ; Bertrand, Francois ; Bondar, Tatiana ; Boness, Axel ; Brocco, Laura ; Olsen, Nils ; Tøffner-Clausen, Lars
in: Earth, Planets and Space, vol: 67, issue: 1, pages: 1-19

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1186/s40623-015-0228-9

 

Magnetic Field

Olsen, Nils
part of: Encyclopedia of Remote Sensing, pages: 358-362, 2015, Springer

Type: Encyclopedia chapter (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1007/978-0-387-36699-9_89

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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.
in: Journal of Geophysical Research: Space Physics, vol: 120, issue: 10, pages: 8308-8316

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1002/2015ja021707

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

Stockmann, Reto ; Christiansen, Freddy ; Olsen, Nils ; Jackson, Andrew
in: Earth, Planets and Space, vol: 67

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1186/s40623-015-0254-7

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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.
in: Geophysical Research Letters, vol: 42, issue: 10, pages: 3683-3691

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1002/2015GL063738

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

Hulot, Gauthier ; Vigneron, Pierre ; Leger, Jean-Michel ; Fratter, Isabelle ; Olsen, Nils ; Jager, Thomas ; Bertrand, François ; Brocco, Laura ; Sirol, Olivier
in: Geophysical Research Letters, vol: 42, issue: 5, pages: 1352-1359

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1002/2014GL062700

 

The Swarm Initial Field Model for the 2014 geomagnetic field

Olsen, Nils ; Hulot, Gauthier ; Lesur, Vincent ; Finlay, Chris ; Beggan, Ciaran ; Chulliat, Amaud ; Sabaka, Terence J. ; Floberghagen, Rune ; Friis-Christensen, Eigil ; Kotsiaros, Stavros ; Tøffner-Clausen, Lars
in: Geophysical Research Letters, vol: 42, pages: 1092-1098

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1002/2014GL062659

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

Kotsiaros, Stavros ; Finlay, Chris ; Olsen, Nils
in: Geophysical Journal International, vol: 200, issue: 2, pages: 880-889

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1093/gji/ggu431

2014
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An Equivalent Source Method for Modelling the Global Lithospheric Magnetic Field

Kother, Livia Kathleen ; Hammer, Magnus Danel ; Finlay, Chris ; Olsen, Nils
Presented at:
European Geosciences Union General Assembly 2014

Type: Poster (Peer reviewed)

Status: Published     |    Year: 2014

  PDF

An Equivalent Source Method for Modelling the Global Lithospheric Magnetic Field

Kother, Livia Kathleen ; Hammer, Magnus Danel ; Finlay, Chris ; Olsen, Nils
in: Geophysical Research Abstracts, vol: 16
Presented at:
European Geosciences Union General Assembly 2014

Type: Conference abstract in journal (Peer reviewed)

Status: Published     |    Year: 2014

  PDF

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

Kother, Livia Kathleen ; Hammer, Magnus Danel ; Finlay, Chris ; Olsen, Nils
Presented at:
2014 AGU Fall Meeting

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2014

  PDF

CM5: A pre-Swarm magnetic field model based upon the comprehensive modeling approach

Sabaka, T. ; Olsen, Nils ; Tyler, Robert
in: Geophysical Research Abstracts, vol: 16
Presented at:
European Geosciences Union General Assembly 2014

Type: Conference abstract in journal (Peer reviewed)

Status: Published     |    Year: 2014

 

Den magnetiske misvisning i Danmark, Grønland og Færøerne

Finlay, Chris ; Matzka, Jürgen ; Olsen, Nils
part of: Københavns Universitets Almanak 2014, pages: 79-80, 2015, Københavns Universitet

Type: Book chapter (Peer reviewed)

Status: Published     |    Year: 2014

 

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

Kotsiaros, Stavros ; Olsen, Nils
in: Geophysical Journal International, vol: 196, issue: 1, pages: 100-110

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1093/gji/ggt339

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Estimation of the magnetic field gradient tensor using the Swarm constellation

Kotsiaros, Stavros ; Finlay, Chris ; Olsen, Nils
in: Geophysical Research Abstracts, vol: 16
Presented at:
European Geosciences Union General Assembly 2014

Type: Conference abstract in journal (Peer reviewed)

Status: Published     |    Year: 2014

 

Mathematical Properties Relevant to Geomagnetic Field Modeling

Sabaka, Terence J. ; Hulot, Gauthier ; Olsen, Nils
part of: Handbook of Geomathematics, 2015, Springer

Type: Book chapter (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1007/978-3-642-27793-1_17-2

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New constraints on Earth’s radial conductivity structure

Püthe, C. ; Kuvshinov, A. ; Olsen, Nils
in: Geophysical Research Abstracts, vol: 16
Presented at:
European Geosciences Union General Assembly 2014

Type: Conference abstract in journal (Peer reviewed)

Status: Published     |    Year: 2014

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New transfer functions for probing 3-D mantle conductivity from ground and sea

Püthe, C. ; Kuvshinov, A. ; Olsen, Nils
in: Geophysical Research Abstracts, vol: 16
Presented at:
European Geosciences Union General Assembly 2014

Type: Conference abstract in journal (Peer reviewed)

Status: Published     |    Year: 2014

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SCARF - The Swarm Satellite Constellation Application and Research Facility

Olsen, Nils ; ,
in: Geophysical Research Abstracts, vol: 16
Presented at:
European Geosciences Union General Assembly 2014

Type: Conference abstract in journal (Peer reviewed)

Status: Published     |    Year: 2014

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Short-term variations in core surface flow resolved from an improved method of calculating observatory monthly means

Olsen, Nils ; Whaler, K. A. ; Finlay, Chris
in: Geophysical Research Abstracts, vol: 16
Presented at:
European Geosciences Union General Assembly 2014

Type: Conference abstract in journal (Peer reviewed)

Status: Published     |    Year: 2014

 

Sources of the Geomagnetic Field and the Modern Data That Enable Their Investigation

Olsen, Nils ; Hulot, Gauthier ; Sabaka, Terence J.
part of: Handbook of Geomathematics, pages: 227-249, 2015, Springer

Type: Book chapter (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1007/978-3-642-54551-1_5

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Swarm Data Processing and First Scientific Results

Olsen, Nils ; ,
in: Geophysical Research Abstracts, vol: 16
Presented at:
European Geosciences Union General Assembly 2014

Type: Conference abstract in journal (Peer reviewed)

Status: Published     |    Year: 2014

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The CHAOS-4 geomagnetic field model

Olsen, Nils ; Lühr, H. ; Finlay, Chris ; Sabaka, T. J. ; Michaelis, I. ; Rauberg, J. ; Tøffner-Clausen, Lars
in: Geophysical Journal International, vol: 197, issue: 2, pages: 815-827

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1093/gji/ggu033

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The Swarm Initial Field Model – a Model of the Earth’s Magnetic Field for 2014 Determined From One Year of Swarm Satellite Constellation Data

Olsen, Nils ; Hulot, Gauthier ; Lesur, Vincent ; Finlay, Chris ; Beggan, Ciaran ; Chulliat, Amaud ; Sabaka, Terence
Presented at:
2014 AGU Fall Meeting

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2014

  PDF

Towards CHAOS-5 - How can Swarm contribute?

Finlay, Chris ; Olsen, Nils ; Tøffner-Clausen, Lars
in: Geophysical Research Abstracts, vol: 16
Presented at:
European Geosciences Union General Assembly 2014

Type: Conference abstract in journal (Peer reviewed)

Status: Published     |    Year: 2014

  PDF

Updating the CHAOS series of field models using Swarm data and resulting candidate models for IGRF-12

Finlay, Chris ; Olsen, Nils ; Tøffner-Clausen, Lars
Presented at:
2014 AGU Fall Meeting

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2014

  PDF

Use of Swarm data to study the core surface magnetic field

Finlay, Christopher C. ; Olsen, Nils ; Tøffner-Clausen, Lars
part of: Program and Abstract Volume - 14th international symposium on Study of Earth’s Deep Interior (SEDI), 2015
Presented at:
14th international symposium on Study of Earth’s Deep Interior (SEDI)

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2014

2013
  PDF

A magnetotelluric investigation along a 40 km profile in Kangerlussuaq, West Greenland

Kother, Livia Kathleen ; Junge, Andreas ; Löwer, Alexander ; Matzka, Jürgen ; Olsen, Nils
Presented at:
Arktisk Forskning & Teknologi Konference (SAFT)

Type: Poster (Peer reviewed)

Status: Published     |    Year: 2013

  PDF

Bridging the gap between champ and swarm using oersted and ground observatory data

Finlay, Chris ; Olsen, Nils ; Hermann, Luehr ; Sabaka, Terrence J. ; Tøffner-Clausen, Lars
part of: Living on a Magnetic Planet - Abstract Volume, pages: 7, 2013, IAGA, Mexico
Presented at:
IAGA 2013 The 12th Scientific Assembly

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2013

 

Den magnetiske misvisning i Danmark og Grønland

Finlay, Chris ; Matzka, Jürgen ; Olsen, Nils
part of: Københavns Universitets Almanak 2013, pages: 85-86, 2013, Københavns Universitet

Type: Book chapter

Status: Published     |    Year: 2013

  PDF

Geographical localisation of the geomagnetic secular variation

Aubert, Julien ; Finlay, Chris ; Olsen, Nils
in: Geophysical Research Abstracts, vol: 15
Presented at:
European Geosciences Union General Assembly 2013

Type: Conference abstract in journal (Peer reviewed)

Status: Published     |    Year: 2013

 

Ionospheric midlatitude electric current density inferred from multiple magnetic satellites

Shore, R. M. ; Whaler, K. A. ; Macmillan, S. ; Beggan, C. ; Olsen, Nils ; Spain, T. ; Aruliah, A.
in: Journal of Geophysical Research: Atmospheres, vol: 118, issue: 9, pages: 5813-5829

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.1002/jgra.50491

  PDF

Observatory data and the Swarm mission

Macmillan, S. ; Olsen, Nils
in: Earth Planets Space, vol: 65, issue: 11, pages: 1355-1362

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.5047/eps.2013.07.011

 

Rapid core field variations during the satellite era: Investigations using stochastic process based field models

Finlay, Chris ; Olsen, Nils ; Gillet, Nicolas ; Jault, D.
Presented at:
AGU Fall Meeting 2013

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2013

 

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

Gillet, N. ; Jault, D. ; Finlay, Chris ; Olsen, Nils
in: Geochemistry, Geophysics, Geosystems, vol: 14, issue: 4, pages: 766-786

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.1002/ggge.20041

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Stochastic modelling of the Earth’s magnetic field: inversion for covariances over the observatory era

Gillet, Nicolas ; Jault, D. ; Finlay, Chris ; Olsen, Nils
in: Geophysical Research Abstracts, vol: 15
Presented at:
European Geosciences Union General Assembly 2013

Type: Conference abstract in journal (Peer reviewed)

Status: Published     |    Year: 2013

 

The CHAOS-4 Geomagnetic Field Model

Olsen, Nils ; Finlay, Chris ; Lühr, H. ; Sabaka, T. J. ; Michaelis, I. ; Rauberg, J. ; Tøffner-Clausen, Lars
Presented at:
AGU Fall Meeting 2013

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2013

  PDF

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

Olsen, Nils ; Friis-Christensen, Eigil ; 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, Poul Erik Holmdahl ; Park, J. ; Plank, G. ; Püthe, C. ; Rauberg, J. ; Ritter, P. ; Rother, M. ; Sabaka, T. J. ; Schachtschneider, R. ; Sirol, O. ; Stolle, Claudia ; Thebault, E. ; Thomson, A. W. P. ; Tøffner-Clausen, Lars ; Velimsky, J. ; Vigneron, P. ; Visser, P. N.
in: Earth, Planets and Space, vol: 64, issue: 11, pages: 1189-1200

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.5047/eps.2013.07.001

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Use of the Comprehensive Inversion method for Swarm satellite data analysis

Sabaka, T. J. ; Tøffner-Clausen, Lars ; Olsen, Nils
in: Earth Planets Space, vol: 65, issue: 11, pages: 1201-1222

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.5047/eps.2013.09.007

2012
 

Core surface magnetic field evolution 2000–2010

Finlay, Chris ; Jackson, A. ; Gillet, N. ; Olsen, Nils
in: Geophysical Journal International, vol: 189, issue: 2, pages: 761-781

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1111/j.1365-246X.2012.05395.x

 

Den magnetiske misvisning i Danmark og Grønland

Matzka, Jürgen ; Olsen, Nils
part of: Københavns Universitets Almanak 2012, pages: 85-86, 2012, Københavns Universitet

Type: Book chapter

Status: Published     |    Year: 2012

 

Farside explorer

Mimoun, David ; Wieczorek, Mark A. ; Alkalai, Leon ; Banerdt, W. Bruce ; Baratoux, David ; Bougeret, Jean-Louis ; Bouley, Sylvain ; Cecconi, Baptiste ; Falcke, Heino ; Flohrer, Joachim ; Garcia, Raphael F. ; Grimm, Robert ; Grott, Matthias ; Gurvits, Leonid ; Jaumann, Ralf ; Johnson, Catherine L. ; Knapmeyer, Martin ; Kobayashi, Naoki ; Konovalenko, Alexander ; Lawrence, David ; Le Feuvre, Mathieu ; Lognonne, Philippe ; Neal, Clive ; Oberst, Juergen ; Olsen, Nils ; Rottgering, Huub ; Spohn, Tilman ; Vennerstrøm, Susanne ; Woan, Graham ; Zarka, Philippe
in: Experimental Astronomy, vol: 33, issue: 2-3, pages: 529-585

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1007/s10686-011-9252-3

  PDF

Low latitude electron temperature observed by the CHAMP satellite

Stolle, Claudia ; Truhlik, V. ; Richards, P. ; Olsen, Nils ; Lühr, H.
in: Geophysical Research Abstracts, vol: 14
Presented at:
European Geosciences Union General Assembly 2012

Type: Conference abstract in journal (Peer reviewed)

Status: Published     |    Year: 2012

 

Magnetic effects of magnetospheric currents at ground and in low orbit

Stolle, Claudia ; Naemi Willer, Anna ; Finlay, Chris ; Olsen, Nils
Presented at:
2012 AGU Fall Meeting

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2012

  PDF

Satellite Geomagnetism

Olsen, Nils ; Stolle, Claudia
in: Annual Review of Earth and Planetary Sciences, vol: 40, pages: 441-465

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1146/annurev-earth-042711-105540

 

The geomagnetic field gradient tensor

Kotsiaros, Stavros ; Olsen, Nils
in: G E M - International Journal on Geomathematics, vol: 3, issue: 2, pages: 297-314

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1007/s13137-012-0041-6

2011
 

Den magnetiske misvisning i Danmark

Matzka, Jürgen ; Olsen, Nils
part of: Københavns Universitets Almanak , pages: 99-100, 2012, Nyt Nordisk Forlag Arnold Busck, København

Type: Book chapter

Status: Published     |    Year: 2011

 

Geomagnetic core field models in the satellite era

Lesur, Vincent ; Olsen, Nils ; Thomson, Alan W. P.
part of: Geomagnetic Observations and Models, pages: 277-294, 2011, Springer Science+Business Media

Type: Book chapter (Peer reviewed)

Status: Published     |    Year: 2011

 

Magnetic Satellite Missions and Data

Olsen, Nils ; Kotsiaros, Stavros
part of: Geomagnetic Observations and Models, pages: 27-44, 2011, Springer Science+Business Media

Type: Book chapter (Peer reviewed)

Status: Published     |    Year: 2011