Journal cover Journal topic
Nonlinear Processes in Geophysics An interactive open-access journal of the European Geosciences Union
Journal topic

Journal metrics

Journal metrics

  • IF value: 1.129 IF 1.129
  • IF 5-year value: 1.519 IF 5-year 1.519
  • CiteScore value: 1.54 CiteScore 1.54
  • SNIP value: 0.798 SNIP 0.798
  • SJR value: 0.610 SJR 0.610
  • IPP value: 1.41 IPP 1.41
  • h5-index value: 21 h5-index 21
  • Scimago H index value: 48 Scimago H index 48
24 Aug 2018
Ensemble variational assimilation as a probabilistic estimator – Part 1: The linear and weak non-linear case
Mohamed Jardak and Olivier Talagrand
Nonlin. Processes Geophys., 25, 565-587, https://doi.org/10.5194/npg-25-565-2018,https://doi.org/10.5194/npg-25-565-2018, 2018 | 1,461 views
Short summary
05 Mar 2018
A general theory on frequency and time–frequency analysis of irregularly sampled time series based on projection methods – Part 1: Frequency analysis
Guillaume Lenoir and Michel Crucifix
Nonlin. Processes Geophys., 25, 145-173, https://doi.org/10.5194/npg-25-145-2018,https://doi.org/10.5194/npg-25-145-2018, 2018 | 1,400 views
Short summary
04 Sep 2018
Chaotic dynamics and the role of covariance inflation for reduced rank Kalman filters with model error
Colin Grudzien, Alberto Carrassi, and Marc Bocquet
Nonlin. Processes Geophys., 25, 633-648, https://doi.org/10.5194/npg-25-633-2018,https://doi.org/10.5194/npg-25-633-2018, 2018 | 1,387 views
Short summary
19 Sep 2018
Nonlinear effects in 4D-Var
Massimo Bonavita, Peter Lean, and Elias Holm
Nonlin. Processes Geophys., 25, 713-729, https://doi.org/10.5194/npg-25-713-2018,https://doi.org/10.5194/npg-25-713-2018, 2018 | 1,303 views
Short summary
30 Aug 2018
Comparison of stochastic parameterizations in the framework of a coupled ocean–atmosphere model
Jonathan Demaeyer and Stéphane Vannitsem
Nonlin. Processes Geophys., 25, 605-631, https://doi.org/10.5194/npg-25-605-2018,https://doi.org/10.5194/npg-25-605-2018, 2018 | 1,252 views
Short summary
05 Mar 2018
A general theory on frequency and time–frequency analysis of irregularly sampled time series based on projection methods – Part 2: Extension to time–frequency analysis
Guillaume Lenoir and Michel Crucifix
Nonlin. Processes Geophys., 25, 175-200, https://doi.org/10.5194/npg-25-175-2018,https://doi.org/10.5194/npg-25-175-2018, 2018 | 1,236 views
Short summary
09 Jul 2018
Parametric covariance dynamics for the nonlinear diffusive Burgers equation
Olivier Pannekoucke, Marc Bocquet, and Richard Ménard
Nonlin. Processes Geophys., 25, 481-495, https://doi.org/10.5194/npg-25-481-2018,https://doi.org/10.5194/npg-25-481-2018, 2018 | 1,230 views
Short summary
24 Aug 2018
Ensemble variational assimilation as a probabilistic estimator – Part 2: The fully non-linear case
Mohamed Jardak and Olivier Talagrand
Nonlin. Processes Geophys., 25, 589-604, https://doi.org/10.5194/npg-25-589-2018,https://doi.org/10.5194/npg-25-589-2018, 2018 | 1,222 views
Short summary
19 Jun 2018
Evaluating a stochastic parametrization for a fast–slow system using the Wasserstein distance
Gabriele Vissio and Valerio Lucarini
Nonlin. Processes Geophys., 25, 413-427, https://doi.org/10.5194/npg-25-413-2018,https://doi.org/10.5194/npg-25-413-2018, 2018 | 1,215 views
Short summary
28 May 2018
Exploring the Lyapunov instability properties of high-dimensional atmospheric and climate models
Lesley De Cruz, Sebastian Schubert, Jonathan Demaeyer, Valerio Lucarini, and Stéphane Vannitsem
Nonlin. Processes Geophys., 25, 387-412, https://doi.org/10.5194/npg-25-387-2018,https://doi.org/10.5194/npg-25-387-2018, 2018 | 1,202 views
Short summary
10 Sep 2018
The onset of chaos in nonautonomous dissipative dynamical systems: a low-order ocean-model case study
Stefano Pierini, Mickaël D. Chekroun, and Michael Ghil
Nonlin. Processes Geophys., 25, 671-692, https://doi.org/10.5194/npg-25-671-2018,https://doi.org/10.5194/npg-25-671-2018, 2018 | 1,195 views
Short summary
26 Jan 2018
On the intrinsic timescales of temporal variability in measurements of the surface solar radiation
Marc Bengulescu, Philippe Blanc, and Lucien Wald
Nonlin. Processes Geophys., 25, 19-37, https://doi.org/10.5194/npg-25-19-2018,https://doi.org/10.5194/npg-25-19-2018, 2018 | 1,192 views
Short summary
12 Nov 2018
Review article: Comparison of local particle filters and new implementations
Alban Farchi and Marc Bocquet
Nonlin. Processes Geophys., 25, 765-807, https://doi.org/10.5194/npg-25-765-2018,https://doi.org/10.5194/npg-25-765-2018, 2018 | 1,190 views
Short summary
25 Jun 2018
The evolution of mode-2 internal solitary waves modulated by background shear currents
Peiwen Zhang, Zhenhua Xu, Qun Li, Baoshu Yin, Yijun Hou, and Antony K. Liu
Nonlin. Processes Geophys., 25, 441-455, https://doi.org/10.5194/npg-25-441-2018,https://doi.org/10.5194/npg-25-441-2018, 2018 | 1,163 views
Short summary
27 Jul 2018
OSSE for a sustainable marine observing network in the Sea of Marmara
Ali Aydoğdu, Timothy J. Hoar, Tomislava Vukicevic, Jeffrey L. Anderson, Nadia Pinardi, Alicia Karspeck, Jonathan Hendricks, Nancy Collins, Francesca Macchia, and Emin Özsoy
Nonlin. Processes Geophys., 25, 537-551, https://doi.org/10.5194/npg-25-537-2018,https://doi.org/10.5194/npg-25-537-2018, 2018 | 1,127 views
Short summary
16 Feb 2018
Ensemble Kalman filter for the reconstruction of the Earth's mantle circulation
Marie Bocher, Alexandre Fournier, and Nicolas Coltice
Nonlin. Processes Geophys., 25, 99-123, https://doi.org/10.5194/npg-25-99-2018,https://doi.org/10.5194/npg-25-99-2018, 2018 | 1,110 views
Short summary
05 Sep 2018
Internal waves in marginally stable abyssal stratified flows
Nikolay Makarenko, Janna Maltseva, Eugene Morozov, Roman Tarakanov, and Kseniya Ivanova
Nonlin. Processes Geophys., 25, 659-669, https://doi.org/10.5194/npg-25-659-2018,https://doi.org/10.5194/npg-25-659-2018, 2018 | 1,109 views
Short summary
03 May 2018
Feature-based data assimilation in geophysics
Matthias Morzfeld, Jesse Adams, Spencer Lunderman, and Rafael Orozco
Nonlin. Processes Geophys., 25, 355-374, https://doi.org/10.5194/npg-25-355-2018,https://doi.org/10.5194/npg-25-355-2018, 2018 | 1,100 views
Short summary
04 Sep 2018
Climatic responses to systematic time variations of parameters: a dynamical approach
Catherine Nicolis
Nonlin. Processes Geophys., 25, 649-658, https://doi.org/10.5194/npg-25-649-2018,https://doi.org/10.5194/npg-25-649-2018, 2018 | 1,089 views
Short summary
27 Apr 2018
Quasi-static ensemble variational data assimilation: a theoretical and numerical study with the iterative ensemble Kalman smoother
Anthony Fillion, Marc Bocquet, and Serge Gratton
Nonlin. Processes Geophys., 25, 315-334, https://doi.org/10.5194/npg-25-315-2018,https://doi.org/10.5194/npg-25-315-2018, 2018 | 1,080 views
Short summary
10 Jul 2018
Simple statistics for complex Earthquake time distributions
Teimuraz Matcharashvili, Takahiro Hatano, Tamaz Chelidze, and Natalia Zhukova
Nonlin. Processes Geophys., 25, 497-510, https://doi.org/10.5194/npg-25-497-2018,https://doi.org/10.5194/npg-25-497-2018, 2018 | 1,072 views
01 Mar 2018
Accelerating assimilation development for new observing systems using EFSO
Guo-Yuan Lien, Daisuke Hotta, Eugenia Kalnay, Takemasa Miyoshi, and Tse-Chun Chen
Nonlin. Processes Geophys., 25, 129-143, https://doi.org/10.5194/npg-25-129-2018,https://doi.org/10.5194/npg-25-129-2018, 2018 | 1,057 views
Short summary
27 Jul 2018
Laboratory and numerical experiments on stem waves due to monochromatic waves along a vertical wall
Sung Bum Yoon, Jong-In Lee, Young-Take Kim, and Choong Hun Shin
Nonlin. Processes Geophys., 25, 521-535, https://doi.org/10.5194/npg-25-521-2018,https://doi.org/10.5194/npg-25-521-2018, 2018 | 1,031 views
Short summary
29 Jun 2018
Stratified Kelvin–Helmholtz turbulence of compressible shear flows
Omer San and Romit Maulik
Nonlin. Processes Geophys., 25, 457-476, https://doi.org/10.5194/npg-25-457-2018,https://doi.org/10.5194/npg-25-457-2018, 2018 | 1,018 views
Short summary
06 Nov 2018
Application of ensemble transform data assimilation methods for parameter estimation in reservoir modeling
Sangeetika Ruchi and Svetlana Dubinkina
Nonlin. Processes Geophys., 25, 731-746, https://doi.org/10.5194/npg-25-731-2018,https://doi.org/10.5194/npg-25-731-2018, 2018 | 981 views
Short summary
15 Aug 2018
On the phase dependence of the soliton collisions in the Dyachenko–Zakharov envelope equation
Dmitry Kachulin and Andrey Gelash
Nonlin. Processes Geophys., 25, 553-563, https://doi.org/10.5194/npg-25-553-2018,https://doi.org/10.5194/npg-25-553-2018, 2018 | 981 views
Short summary
31 Jan 2018
A correlation study regarding the AE index and ACE solar wind data for Alfvénic intervals using wavelet decomposition and reconstruction
Fernando L. Guarnieri, Bruce T. Tsurutani, Luis E. A. Vieira, Rajkumar Hajra, Ezequiel Echer, Anthony J. Mannucci, and Walter D. Gonzalez
Nonlin. Processes Geophys., 25, 67-76, https://doi.org/10.5194/npg-25-67-2018,https://doi.org/10.5194/npg-25-67-2018, 2018 | 955 views
Short summary
22 Mar 2018
Complex network description of the ionosphere
Shikun Lu, Hao Zhang, Xihai Li, Yihong Li, Chao Niu, Xiaoyun Yang, and Daizhi Liu
Nonlin. Processes Geophys., 25, 233-240, https://doi.org/10.5194/npg-25-233-2018,https://doi.org/10.5194/npg-25-233-2018, 2018 | 942 views
07 Nov 2018
Data assimilation of radar reflectivity volumes in a LETKF scheme
Thomas Gastaldo, Virginia Poli, Chiara Marsigli, Pier Paolo Alberoni, and Tiziana Paccagnella
Nonlin. Processes Geophys., 25, 747-764, https://doi.org/10.5194/npg-25-747-2018,https://doi.org/10.5194/npg-25-747-2018, 2018 | 931 views
Short summary
29 Mar 2018
Utsu aftershock productivity law explained from geometric operations on the permanent static stress field of mainshocks
Arnaud Mignan
Nonlin. Processes Geophys., 25, 241-250, https://doi.org/10.5194/npg-25-241-2018,https://doi.org/10.5194/npg-25-241-2018, 2018 | 930 views
Short summary
27 Apr 2018
Wave propagation in the Lorenz-96 model
Dirk L. van Kekem and Alef E. Sterk
Nonlin. Processes Geophys., 25, 301-314, https://doi.org/10.5194/npg-25-301-2018,https://doi.org/10.5194/npg-25-301-2018, 2018 | 925 views
Short summary
14 May 2018
Time difference of arrival estimation of microseismic signals based on alpha-stable distribution
Rui-Sheng Jia, Yue Gong, Yan-Jun Peng, Hong-Mei Sun, Xing-Li Zhang, and Xin-Ming Lu
Nonlin. Processes Geophys., 25, 375-386, https://doi.org/10.5194/npg-25-375-2018,https://doi.org/10.5194/npg-25-375-2018, 2018 | 925 views
Short summary
13 Sep 2018
A novel approach for solving CNOPs and its application in identifying sensitive regions of tropical cyclone adaptive observations
Linlin Zhang, Bin Mu, Shijin Yuan, and Feifan Zhou
Nonlin. Processes Geophys., 25, 693-712, https://doi.org/10.5194/npg-25-693-2018,https://doi.org/10.5194/npg-25-693-2018, 2018 | 924 views
Short summary
18 Jul 2018
Exceedance frequency of appearance of the extreme internal waves in the World Ocean
Tatyana Talipova, Efim Pelinovsky, Oxana Kurkina, Ayrat Giniyatullin, and Andrey Kurkin
Nonlin. Processes Geophys., 25, 511-519, https://doi.org/10.5194/npg-25-511-2018,https://doi.org/10.5194/npg-25-511-2018, 2018 | 917 views
Short summary
27 Apr 2018
Nonlinear analysis of the occurrence of hurricanes in the Gulf of Mexico and the Caribbean Sea
Berenice Rojo-Garibaldi, David Alberto Salas-de-León, María Adela Monreal-Gómez, Norma Leticia Sánchez-Santillán, and David Salas-Monreal
Nonlin. Processes Geophys., 25, 291-300, https://doi.org/10.5194/npg-25-291-2018,https://doi.org/10.5194/npg-25-291-2018, 2018 | 911 views
Short summary
30 Jan 2018
Optimal transport for variational data assimilation
Nelson Feyeux, Arthur Vidard, and Maëlle Nodet
Nonlin. Processes Geophys., 25, 55-66, https://doi.org/10.5194/npg-25-55-2018,https://doi.org/10.5194/npg-25-55-2018, 2018 | 903 views
Short summary
12 Mar 2018
Evolution of fractality in space plasmas of interest to geomagnetic activity
Víctor Muñoz, Macarena Domínguez, Juan Alejandro Valdivia, Simon Good, Giuseppina Nigro, and Vincenzo Carbone
Nonlin. Processes Geophys., 25, 207-216, https://doi.org/10.5194/npg-25-207-2018,https://doi.org/10.5194/npg-25-207-2018, 2018 | 901 views
Short summary
06 Apr 2018
Experimental study of forced convection heat transport in porous media
Nicola Pastore, Claudia Cherubini, Dimitra Rapti, and Concetta I. Giasi
Nonlin. Processes Geophys., 25, 279-290, https://doi.org/10.5194/npg-25-279-2018,https://doi.org/10.5194/npg-25-279-2018, 2018 | 894 views
Short summary
07 Feb 2018
Derivation of the entropic formula for the statistical mechanics of space plasmas
George Livadiotis
Nonlin. Processes Geophys., 25, 77-88, https://doi.org/10.5194/npg-25-77-2018,https://doi.org/10.5194/npg-25-77-2018, 2018 | 891 views
Short summary
07 Feb 2018
Tipping point analysis of ocean acoustic noise
Valerie N. Livina, Albert Brouwer, Peter Harris, Lian Wang, Kostas Sotirakopoulos, and Stephen Robinson
Nonlin. Processes Geophys., 25, 89-97, https://doi.org/10.5194/npg-25-89-2018,https://doi.org/10.5194/npg-25-89-2018, 2018 | 859 views
Short summary
06 Mar 2018
Brief communication: A nonlinear self-similar solution to barotropic flow over varying topography
Ruy Ibanez, Joseph Kuehl, Kalyan Shrestha, and William Anderson
Nonlin. Processes Geophys., 25, 201-205, https://doi.org/10.5194/npg-25-201-2018,https://doi.org/10.5194/npg-25-201-2018, 2018 | 856 views
Short summary
24 Sep 2018
Exploring the effects of missing data on the estimation of fractal and multifractal parameters based on bootstrap method
Xin Gao and Xuan Wang
Nonlin. Processes Geophys. Discuss., https://doi.org/10.5194/npg-2018-38,https://doi.org/10.5194/npg-2018-38, 2018
Manuscript under review for NPG (discussion: final response, 2 comments) | 842 views
Short summary
02 May 2018
Idealized models of the joint probability distribution of wind speeds
Adam H. Monahan
Nonlin. Processes Geophys., 25, 335-353, https://doi.org/10.5194/npg-25-335-2018,https://doi.org/10.5194/npg-25-335-2018, 2018 | 833 views
Short summary
30 Jan 2018
Intermittent turbulence in the heliosheath and the magnetosheath plasmas based on Voyager and THEMIS data
Wiesław M. Macek, Anna Wawrzaszek, and Beata Kucharuk
Nonlin. Processes Geophys., 25, 39-54, https://doi.org/10.5194/npg-25-39-2018,https://doi.org/10.5194/npg-25-39-2018, 2018 | 821 views
Short summary
21 Jun 2018
Sensitivity analysis with respect to observations in variational data assimilation for parameter estimation
Victor Shutyaev, Francois-Xavier Le Dimet, and Eugene Parmuzin
Nonlin. Processes Geophys., 25, 429-439, https://doi.org/10.5194/npg-25-429-2018,https://doi.org/10.5194/npg-25-429-2018, 2018 | 820 views
Short summary
04 Apr 2018
Connection between encounter volume and diffusivity in geophysical flows
Irina I. Rypina, Stefan G. Llewellyn Smith, and Larry J. Pratt
Nonlin. Processes Geophys., 25, 267-278, https://doi.org/10.5194/npg-25-267-2018,https://doi.org/10.5194/npg-25-267-2018, 2018 | 819 views
Short summary
02 Oct 2018
A denoising stacked autoencoders for transient electromagnetic signal denoising
Fanqiang Lin, Kecheng Chen, Xuben Wang, Hui Cao, Danlei Chen, and Fanzeng Chen
Nonlin. Processes Geophys. Discuss., https://doi.org/10.5194/npg-2018-39,https://doi.org/10.5194/npg-2018-39, 2018
Revised manuscript under review for NPG (discussion: final response, 6 comments) | 811 views
Short summary
20 Mar 2018
Multi-scale phenomena of rotation-modified mode-2 internal waves
David Deepwell, Marek Stastna, and Aaron Coutino
Nonlin. Processes Geophys., 25, 217-231, https://doi.org/10.5194/npg-25-217-2018,https://doi.org/10.5194/npg-25-217-2018, 2018 | 805 views
Short summary
17 Sep 2018
Cascade processes in rapidly rotating turbulence
Maxim Reshetnyak and Oleg Pokhotelov
Nonlin. Processes Geophys. Discuss., https://doi.org/10.5194/npg-2018-37,https://doi.org/10.5194/npg-2018-37, 2018
Manuscript under review for NPG (discussion: final response, 2 comments) | 777 views
Short summary
29 Mar 2018
Complex interplay between stress perturbations and viscoelastic relaxation in a two-asperity fault model
Emanuele Lorenzano and Michele Dragoni
Nonlin. Processes Geophys., 25, 251-265, https://doi.org/10.5194/npg-25-251-2018,https://doi.org/10.5194/npg-25-251-2018, 2018 | 757 views
Short summary
CC BY 4.0
Publications Copernicus