NPG cover
Executive editors: Ana M. Mancho, Daniel Schertzer, Olivier Talagrand & Stéphane Vannitsem

Nonlinear Processes in Geophysics (NPG) is an international, inter-/trans-disciplinary, non-profit journal devoted to breaking the deadlocks often faced by standard approaches in Earth and space sciences. It therefore solicits disruptive and innovative concepts and methodologies, as well as original applications of these to address the ubiquitous complexity in geoscience systems, and in interacting social and biological systems. Such systems are nonlinear, with responses strongly non-proportional to perturbations, and show an associated extreme variability across scales.

All sections of NPG are more than ever eager to deal with big data and artificial intelligence with new sensing, analysis, and simulation technologies. These encompass approaches ranging from data-driven research to mathematical physics.

IF value: 3.534
IF3.534
IF 5-year value: 2.337
IF 5-year2.337
CiteScore value: 3.9
CiteScore3.9
h5-index value: 21
h5-index21
News
28 Jun 2022 Release of journal metrics 2021

The journal metrics 2021 were released and the current numbers are available from the journal metrics overview.

28 Jun 2022 Release of journal metrics 2021

The journal metrics 2021 were released and the current numbers are available from the journal metrics overview.

07 Jun 2022 EGU and Copernicus announce new inclusive name change policy for all EGU journals

Today the European Geosciences Union and Copernicus Publications are announcing sweeping new changes, that will give our authors the ability to make vital alterations to their names in previously published scientific literature. This new policy will allow authors to retrospectively update previous publications with their current names, including conference abstracts, preprints, and peer-reviewed articles.

07 Jun 2022 EGU and Copernicus announce new inclusive name change policy for all EGU journals

Today the European Geosciences Union and Copernicus Publications are announcing sweeping new changes, that will give our authors the ability to make vital alterations to their names in previously published scientific literature. This new policy will allow authors to retrospectively update previous publications with their current names, including conference abstracts, preprints, and peer-reviewed articles.

28 Mar 2022 Chaos to control: Scientists use a 'butterfly attractor' to control and change the weather

Decades of global research have sparked the big question: can we really control the weather? According to a study published today in Nonlinear Processes of Geophysics, this may soon be our new reality.

28 Mar 2022 Chaos to control: Scientists use a 'butterfly attractor' to control and change the weather

Decades of global research have sparked the big question: can we really control the weather? According to a study published today in Nonlinear Processes of Geophysics, this may soon be our new reality.

Recent papers
22 Jun 2022
A stochastic covariance shrinkage approach to particle rejuvenation in the ensemble transform particle filter
Andrey A. Popov, Amit N. Subrahmanya, and Adrian Sandu
Nonlin. Processes Geophys., 29, 241–253, https://doi.org/10.5194/npg-29-241-2022,https://doi.org/10.5194/npg-29-241-2022, 2022
Short summary
15 Jun 2022
| Highlight paper
Climate bifurcations in a Schwarzschild equation model of the Arctic atmosphere
Kolja L. Kypke, William F. Langford, Gregory M. Lewis, and Allan R. Willms
Nonlin. Processes Geophys., 29, 219–239, https://doi.org/10.5194/npg-29-219-2022,https://doi.org/10.5194/npg-29-219-2022, 2022
Short summary
15 Jun 2022
| Highlight paper
Effects of rotation and topography on internal solitary waves governed by the rotating Gardner equation
Karl R. Helfrich and Lev Ostrovsky
Nonlin. Processes Geophys., 29, 207–218, https://doi.org/10.5194/npg-29-207-2022,https://doi.org/10.5194/npg-29-207-2022, 2022
Short summary
09 Jun 2022
Guidance on how to improve vertical covariance localization based on a 1000-member ensemble
Tobias Necker, David Hinger, Philipp Johannes Griewank, Takemasa Miyoshi, and Martin Weissmann
EGUsphere, https://doi.org/10.5194/egusphere-2022-434,https://doi.org/10.5194/egusphere-2022-434, 2022
Preprint under review for NPG (discussion: open, 1 comment)
Short summary
11 May 2022
| Highlight paper
Lévy noise versus Gaussian-noise-induced transitions in the Ghil–Sellers energy balance model
Valerio Lucarini, Larissa Serdukova, and Georgios Margazoglou
Nonlin. Processes Geophys., 29, 183–205, https://doi.org/10.5194/npg-29-183-2022,https://doi.org/10.5194/npg-29-183-2022, 2022
Short summary
Highlight articles
15 Jun 2022
| Highlight paper
Climate bifurcations in a Schwarzschild equation model of the Arctic atmosphere
Kolja L. Kypke, William F. Langford, Gregory M. Lewis, and Allan R. Willms
Nonlin. Processes Geophys., 29, 219–239, https://doi.org/10.5194/npg-29-219-2022,https://doi.org/10.5194/npg-29-219-2022, 2022
Short summary
15 Jun 2022
| Highlight paper
Effects of rotation and topography on internal solitary waves governed by the rotating Gardner equation
Karl R. Helfrich and Lev Ostrovsky
Nonlin. Processes Geophys., 29, 207–218, https://doi.org/10.5194/npg-29-207-2022,https://doi.org/10.5194/npg-29-207-2022, 2022
Short summary
11 May 2022
| Highlight paper
Lévy noise versus Gaussian-noise-induced transitions in the Ghil–Sellers energy balance model
Valerio Lucarini, Larissa Serdukova, and Georgios Margazoglou
Nonlin. Processes Geophys., 29, 183–205, https://doi.org/10.5194/npg-29-183-2022,https://doi.org/10.5194/npg-29-183-2022, 2022
Short summary
02 May 2022
| Highlight paper
Using neural networks to improve simulations in the gray zone
Raphael Kriegmair, Yvonne Ruckstuhl, Stephan Rasp, and George Craig
Nonlin. Processes Geophys., 29, 171–181, https://doi.org/10.5194/npg-29-171-2022,https://doi.org/10.5194/npg-29-171-2022, 2022
Short summary
07 Feb 2022
| Highlight paper
How many modes are needed to predict climate bifurcations? Lessons from an experiment
Bérengère Dubrulle, François Daviaud, Davide Faranda, Louis Marié, and Brice Saint-Michel
Nonlin. Processes Geophys., 29, 17–35, https://doi.org/10.5194/npg-29-17-2022,https://doi.org/10.5194/npg-29-17-2022, 2022
Short summary
Notice on current restrictions

To show our support for Ukraine and in accordance with current European sanctions, we have introduced a range of measures relevant to our open-access publications process.

All fees for papers from authors (first, corresponding, or contact authors) affiliated to Ukrainian institutions are automatically waived, regardless of if these papers are co-authored by scientists affiliated to Russian and/or Belarusian institutions. The only exception to the waiver for Ukrainian authors will be if the corresponding or contact authors are from a Russian and/or Belarusian institution, in that case the APCs are not waived.

Due to restrictions for authors from Russian and Belarusian institutions that are necessary to comply with European sanctions, we recommend any authors from institutions in these countries to contact us on editorial@copernicus.org for more information.