2026 Janet U. Kozyra: Environmental Sciences Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Environmental Sciences	61	2792	2667	1109	1028	259	12626

Janet U. Kozyra publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Janet U. Kozyra sits on this spectrum.

41 publications 687+

This scientist: 259 publications — 79th percentile

79% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 687 publications or more.

Janet U. Kozyra D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Janet U. Kozyra sits on this spectrum.

30 D-Index 125+

This scientist: 61 D-Index — 72nd percentile

72% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 125 D-Index or more.

Research.com Recognitions

2005 - Fellow of American Geophysical Union (AGU)

Overview

Janet U. Kozyra is affiliated with the University of Michigan-Ann Arbor in the United States. Their research primarily intersects the fields of Physics and Astronomy, with a focus on Astronomy and Astrophysics as a key subfield.

Their work addresses topics related to Solar and Space Plasma Dynamics, Astro and Planetary Science, and Planetary Science and Exploration. These topics represent the core areas in which they have published research findings.

Solar and Space Plasma Dynamics
Astro and Planetary Science
Planetary Science and Exploration

Janet U. Kozyra collaborates regularly with several researchers, including:

N. Buzulukova
Timothy Fuller-Rowell
A. Dorodnitsyn

Their contributions to scientific knowledge are also recognized by the American Geophysical Union, which awarded them the title of Fellow in 2005.

Best Publications

Dayside global ionospheric response to the major interplanetary events of October 29–30, 2003 “Halloween Storms”

A. J. Mannucci;B. T. Tsurutani;B. A. Iijima;A. Komjathy

630
Citations
Global dayside ionospheric uplift and enhancement associated with interplanetary electric fields

Bruce Tsurutani;Anthony Mannucci;Byron Iijima;Mangalathayil Ali Abdu

551
Citations
The Analyser of Space Plasmas and Energetic Atoms (ASPERA-4) for the Venus Express mission

S. Barabash;R. Lundin;H. Andersson;K. Brinkfeldt

363
Citations
Effects of energetic heavy ions on electromagnetic ion cyclotron wave generation in the plasmapause region

J. U. Kozyra;T. E. Cravens;A. F. Nagy;E. G. Fontheim

352
Citations
Dominant role of the asymmetric ring current in producing the stormtime Dst

M. W. Liemohn;J. U. Kozyra;M. F. Thomsen;J. L. Roeder

350
Citations
Electron precipitation and related aeronomy of the Jovian thermosphere and ionosphere

J. H. Waite;T. E. Cravens;J. Kozyra;A. F. Nagy

298
Citations
Collisional losses of ring current ions

V. K. Jordanova;L. M. Kistler;J. U. Kozyra;G. V. Khazanov

280
Citations
The Analyzer of Space Plasmas and Energetic Atoms (ASPERA-3) for the Mars Express Mission

Unknown

276
Citations
Solar Wind-Induced Atmospheric Erosion at Mars: First Results from ASPERA-3 on Mars Express

R. Lundin;S. Barabash;H. Andersson;M. Holmström

261
Citations
Dayside pickup oxygen ion precipitation at Venus and Mars: Spatial distributions, energy deposition and consequences

J. G. Luhmann;J. U. Kozyra

260
Citations
High‐altitude energy source(s) for stable auroral red arcs

J. U. Kozyra;A. F. Nagy;D. W. Slater

228
Citations
Kinetic model of the ring current-atmosphere interactions

V. K. Jordanova;J. U. Kozyra;A. F. Nagy;G. V. Khazanov

227
Citations
The loss of ions from Venus through the plasma wake

S. Barabash;A. Fedorov;J. J. Sauvaud;R. Lundin

215
Citations
The role of ring current O+ in the formation of stable auroral red arcs

J. U. Kozyra;E. G. Shelley;R. H. Comfort;L. H. Brace

214
Citations
Analysis of early phase ring current recovery mechanisms during geomagnetic storms

M. W. Liemohn;J. U. Kozyra;V. K. Jordanova;G. V. Khazanov

208
Citations
Lifetime of ring current particles due to coulomb collisions in the plasmasphere

M.-C. Fok;J. U. Kozyra;A. F. Nagy;T. E. Cravens

208
Citations
Electron impact ionization in the vicinity of comets

T. E. Cravens;J. U. Kozyra;A. F. Nagy;T. I. Gombosi

206
Citations
Decay of equatorial ring current ions and associated aeronomical consequences

M. C. Fok;J. U. Kozyra;A. F. Nagy;C. E. Rasmussen

203
Citations
Enhanced NOx in 2006 linked to strong upper stratospheric Arctic vortex

C. E. Randall;V. L. Harvey;C. S. Singleton;P. F. Bernath

184
Citations
Three-dimensional ring current decay model

Mei Ching Fok;Thomas E. Moore;Janet U. Kozyra;George C. Ho

183
Citations
The natural thermostat of nitric oxide emission at 5.3 μm in the thermosphere observed during the solar storms of April 2002

Martin G. Mlynczak;F. Javier Martin‐torres;James Russell;Ken Beaumont

177
Citations

Frequent Co-Authors

Michael W. Liemohn University of Michigan–Ann Arbor

Hannu E. J. Koskinen University of Helsinki

Rickard Lundin Swedish Institute of Space Physics

R. A. Frahm Southwest Research Institute

Andrew J. Coates University College London

Esa Kallio Aalto University

Mats Holmström Swedish Institute of Space Physics

Janet G. Luhmann University of California, Berkeley

Peter Wurz University of Bern

Joachim Woch Max Planck Society

External Links

Personal website of Janet U. Kozyra

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