World's Best Scientists 2026 revealed!

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Earth Science

D-Index
42
Citations
6082
World Ranking
5303
National Ranking
567

Overview

Mervyn P. Freeman is affiliated with the British Antarctic Survey in the United Kingdom. The scientist's research spans multiple areas within physics, earth sciences, and molecular biology, with key focuses on space weather, geomagnetism, and ionospheric dynamics.

Freeman's research output covers a range of main fields of study including:

  • Physics and Astronomy
  • Biochemistry, Genetics and Molecular Biology
  • Earth and Planetary Sciences

Within these broader fields, their subfields of study include:

  • Astronomy and Astrophysics
  • Molecular Biology
  • Geophysics
  • Electrical and Electronic Engineering
  • Oceanography

The scientist's work concentrates on several prominent topics, such as:

  • Ionosphere and magnetosphere dynamics
  • Geomagnetism and paleomagnetism studies
  • Earthquake detection and analysis
  • Solar and space plasma dynamics
  • Astro and planetary science
  • Planetary science and exploration
  • Geophysics and gravity measurements

Frequent coauthors in their research include:

  • G. Chisham
  • C. Forsyth
  • A. W. Smith
  • I. J. Rae
  • Michael D. Hartinger

The scientist's publications have appeared primarily in specialized venues, with frequent publication outlets being:

  • Journal of Geophysical Research Space Physics
  • Space Weather
  • Geophysical Research Letters
  • Journal of Space Weather and Space Climate
  • Earth and Planetary Physics

Notable recent papers include:

  • Probabilistic Forecasts of Storm Sudden Commencements From Interplanetary Shocks Using Machine Learning, 2020, Space Weather
  • Geomagnetically induced currents during the 07-08 September 2017 disturbed period: a global perspective, 2021, Journal of Space Weather and Space Climate
  • Modeling the Geomagnetic Response to the September 2017 Space Weather Event Over Fennoscandia Using the Space Weather Modeling Framework: Studying the Impacts of Spatial Resolution, 2021, Space Weather
  • Interhemispheric Comparisons of Large Nighttime Magnetic Perturbation Events Relevant to GICs, 2020, Journal of Geophysical Research Space Physics
  • The Impact of Sudden Commencements on Ground Magnetic Field Variability: Immediate and Delayed Consequences, 2021, Space Weather

Best Publications

  • A decade of the Super Dual Auroral Radar Network (SuperDARN): scientific achievements, new techniques and future directions

    G. Chisham;M. Lester;Steve E. Milan;M.P. Freeman

  • A study of an expanding interplanetary magnetic cloud and its interaction with the Earth's magnetosphere: The interplanetary aspect

    Charlie J. Farrugia;L. F. Burlaga;V. A. Osherovich;I. G. Richardson

  • The excitation of plasma convection in the high‐latitude ionosphere

    Mike Lockwood;S. W. H. Cowley;M. P. Freeman

  • Pressure-driven magnetopause motions and attendant response on the ground

    Charlie J. Farrugia;M. P. Freeman;S. W. H. Cowley;D. J. Southwood

  • A new technique for determining Substorm Onsets and Phases from Indices of the Electrojet (SOPHIE)

    C. Forsyth;I. J. Rae;J. C. Coxon;M. P. Freeman

  • Dayside ionospheric convection changes in response to long‐period interplanetary Magnetic field oscillations: Determination of the ionospheric phase velocity

    M. A. Saunders;M. P. Freeman;D. J. Southwood;S. W. H. Cowley

  • The earth's magnetosphere under continued forcing - Substorm activity during the passage of an interplanetary magnetic cloud

    Charlie J. Farrugia;M. P. Freeman;L. F. Burlaga;R. P. Lepping

  • The interaction of a magnetic cloud with the Earth: Ionospheric convection in the northern and southern hemispheres for a wide range of quasi‐steady interplanetary magnetic field conditions

    M. P. Freeman;Charlie J. Farrugia;L. F. Burlaga;M. R. Hairston

  • Evidence for a solar wind origin of the power law burst lifetime distribution of the AE indices

    M. P. Freeman;N. W. Watkins;D. J. Riley

  • On the character and distribution of lower-frequency radio emissions at Saturn and their relationship to substorm-like events

    C.M. Jackman;L. Lamy;Mervyn P. Freeman;P. Zarka

  • On the association between northward turnings of the interplanetary magnetic field and substorm onsets

    S. K. Morley;M. P. Freeman

  • The ionospheric signature of flux transfer events

    S. W. H. Cowley;M. P. Freeman;Mike Lockwood;M. F. Smith

  • A minimal substorm model that explains the observed statistical distribution of times between substorms

    Mervyn P. Freeman;Simon A. Morley

  • The effect of magnetospheric erosion on mid- and high-latitude ionospheric flows

    M.P. Freeman;D.J. Southwood

  • The response of the large scale ionospheric convection pattern to changes in the IMF and substorms - Results from the SUNDIAL 1987 campaign

    M. Lester;O. De La Beaujardiere;J. C. Foster;M. P. Freeman

  • Saturn's dynamic magnetotail: A comprehensive magnetic field and plasma survey of plasmoids and traveling compression regions and their role in global magnetospheric dynamics

    Caitriona M. Jackman;Caitriona M. Jackman;Caitriona M. Jackman;J.A. Slavin;M.G. Kivelson;M.G. Kivelson;D.J. Southwood

  • Post midnight VLF chorus events, a substorm signature observed at the ground nearL= 4

    A. J. Smith;M. P. Freeman;G. D. Reeves

  • On the use of IMAGE FUV for estimating the latitude of the open/closed magnetic field line boundary in the ionosphere

    P. D. Boakes;P. D. Boakes;S. E. Milan;G. A. Abel;M. P. Freeman

  • Incorrect Likelihood Methods Were Used to Infer Scaling Laws of Marine Predator Search Behaviour

    Andrew M. Edwards;Mervyn P. Freeman;Greg A. Breed;Greg A. Breed;Greg A. Breed;Ian D. Jonsen;Ian D. Jonsen

  • The determination of time‐stationary two‐dimensional convection patterns with single‐station radars

    M. P. Freeman;J. M. Ruohoniemi;R. A. Greenwald

  • A statistical comparison of SuperDARN spectral width boundaries and DMSP particle precipitation boundaries in the morning sector ionosphere

    G. Chisham;M. P. Freeman;T. Sotirelis;R. A. Greenwald

Frequent Co-Authors

Charles J. Farrugia
Charles J. Farrugia University of New Hampshire
Caitriona M. Jackman
Caitriona M. Jackman University of Southampton
Jesper Gjerloev
Jesper Gjerloev Johns Hopkins University Applied Physics Laboratory
Mark Lester
Mark Lester University of Leicester
Geoffrey D. Reeves
Geoffrey D. Reeves Los Alamos National Laboratory
I. J. Rae
I. J. Rae Northumbria University
Stanley W. H. Cowley
Stanley W. H. Cowley University of Leicester
Steve E. Milan
Steve E. Milan University of Leicester
Mike Lockwood
Mike Lockwood University of Reading
David J. Southwood
David J. Southwood Imperial College London

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