Publications

My publications are accessible via Google Scholar or ORCID, as well as listed here by topic.

Notes: 1) an asterix* denotes when the author is a student that I mentored; 2) EM stands for "electromagnetic".

Geomagnetic Hazards

Regional geomagnetic variability during the March 13, 1989 and October 29, 2003 geomagnetic storms

Neesha R. Schnepf, Bhagyashree Waghule, Jeff J. Love

[In prep]

The Impact of the May 1921 Superstorm on American Telecommunication Systems

Jeffrey J. Love, Greg M. Lucas, Anna Kelbert, Neesha R. Schnepf, Paul A. Bedrosian, Sara K. McBride, Edward J. Oughton

[Space Weather, 2025]

Magnetic Signals From Tsunamis & Volcanic Eruptions

Magnetic Signatures of the January 15 2022 Hunga Tonga–Hunga Ha`apai Volcanic Eruption.

Neesha R. Schnepf, Takuto Minami, Hiroaki Toh, Manoj Nair

[Geophysical Research Letters, 2022] [Code]

Tsunami-generated magnetic fields have primary and secondary arrivals like seismic waves

Takuto Minami, Neesha R. Schnepf, Hiroaki Toh

[Scientific Reports, 2021] [Code]

Time-frequency characteristics of tsunami magnetic signals from four Pacific Ocean events

Neesha R. Schnepf, Manoj Nair, Chao An, Hiroko Sugioka, Hiroaki Toh

[Global Tsunami Science: Past and Future, 2016] [Code]

Modeling Earth's Magnetic Field

A model of hourly variations of the near-Earth magnetic field generated in the inner magnetosphere and its induced counterpart

Martin Fillion, Arnaud Chulliat, Patrick Alken, Mikhail Kruglyakov, Alexey Kuvshinov, Neesha R. Schnepf [Journal of Geophysical Research: Space Physics, 2023]

Evaluation of candidate models for the 13th generation International Geomagnetic Reference Field

Patrick Alken, et al.

[Earth, Planets and Space, 2021]

International geomagnetic reference field: the thirteenth generation

Patrick Alken, et al.

[Earth, Planets and Space, 2021]

Earth's Tidal EM and EM Sensing

An analysis of ionospheric versus oceanic tidal magnetic signals

Neesha R. Schnepf, Manoj Nair, Astrid Maute, Nick M. Pedatella, Alexey Kuvshinov, Art D. Richmond

[Geophysical Research Letters, 2018] [Code]

Results of 1-D inversions using satellite-detected ocean tidal magnetic signals

Alexander Grayver, Neesha R. Schnepf, Alexey Kuvshinov, Terrence Sabaka, Nils Olsen

[Science Advances, 2016]

Can we probe the conductivity of the lithosphere and upper mantle using satellite tidal magnetic signals?

Neesha R. Schnepf, Alexey Kuvshinov, Terrence Sabaka

[Geophysical Research Letters, 2015]

Tidal signals in ocean bottom magnetic measurements of the Northwestern Pacific: Observations versus predictions

Neesha R. Schnepf, Manoj C. Nair, Alexey Kuvshinov, Hiroaki Toh, Stefan Maus

[Geophysical Journal International, 2014]

Marine EM & Climate Change

Can seafloor voltage cables be used to study large scale transport? An investigation in the Pacific Ocean

Jakub Velímský, Neesha R. Schnepf, Manoj Nair, Natalie P. Thomas

[Ocean Science, 2021] [Code]

Modelling of electromagnetic signatures of global ocean circulation: Physical approximations and numerical issues

Libor Šachl, Zdeněk Martinec, Jakub Velimsky, Christopher Irrgang, Johannes Petereit, Jan Saynisch, David Einšpigel, Neesha R. Schnepf

[Earth, Planets and Space, 2019]

Going electric: Incorporating marine electromagnetism into ocean assimilation models

Neesha R. Schnepf

[Journal of Advances in Modeling Earth Systems, 2017]

Recent Arctic climate change and its remote forcing of Northwest Atlantic shelf ecosystems

Chuck H. Greene, Bruce C. Monger, Louise P. McGarry, Matthew D. Connelly, Neesha R. Schnepf, et al.

[Oceanography, 2012]

Ionospheres, Magnetospheres & Habitability

Atmospheric Mass Flux as a Function of Ionospheric Emission on Unmagnetized Earth

Parker C. Hinton*, David A. Brain, Neesha R. Schnepf, Riku Jarvinen, Jay Cessna, Fran Bagenal

[JGR Space Physics, 2025]

Heavy Ion Escape at Mars during the Disappearing Solar Wind Event in 2022 December

Han-Wen Shen, Jasper S. Halekas, James P. McFadden, Jacob R. Gruesbeck, Neesha R. Schnepf

[The Astrophysical Journal, 2024]

Atmospheric ion escape and solar wind deposition as a function of planetary radius

Parker C. Hinton*, David A. Brain, Neesha R. Schnepf, Riku Jarvinen, Robin Ramstad

[Monthly Notices of the Royal Astronomical Society, 2024]

Atmospheric escape from Earth and Mars: solar and solar wind drivers of oxygen escape

William K. Peterson, David A. Brain, Neesha R. Schnepf, Yaxue Dong, Phil Chamberlin, Andrew W. Yau

[Geophysical Research Letters, 2024]

Solar and solar wind energy drivers for O+ and O2+ ion escape at Mars

Neesha R. Schnepf, Yaxue Dong, David Brain, K. Gwen Hanley, William K. Peterson, Robert J. Strangeway, Ed M. B. Thiemann, Jasper S. Halekas, Jared R. Espley, Frank Eparvier, Jim P. McFadden

[Journal of Geophysical Research: Space Physics, 2024]

The Day the Solar Wind Disappeared at Mars

Jasper S. Halekas, Sky Shaver, Abby R. Azari, et al.

[Journal of Geophysical Research: Space Physics, 2023]

Magnetic Fields & Planet Formation

Magnetism of the Acapulco Primitive Achondrite and Implications for the Evolution of Partially Differentiated Bodies

Elias N. Mansbach, Benjamin P. Weiss, Neesha R. Schnepf, Eduardo A. Lima, Cauê S. Borlina, Nilanjan Chatterjee, Jérôme Gattacceca, Minoru Uehara, Huapei Wang

[Journal of Geophysical Research: Planetary Science, 2023]

Stellar wind erosion of protoplanetary discs

Neesha R. Schnepf, Richard V. E. Lovelace, Marina M. Romanova, Vladimir Airapetian

[Monthly Notices of the Royal Astronomical Society, 2015]