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Nonlinear Processes in Geophysics An interactive open-access journal of the European Geosciences Union
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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 <br class='hide-on-tablet hide-on-mobile'>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 | 1,633 views
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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 | 1,599 views
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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 | 1,494 views
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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 | 1,471 views
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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 | 1,404 views
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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 | 1,350 views
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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 | 1,338 views
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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 | 1,331 views
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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 | 1,318 views
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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 | 1,298 views
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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 | 1,276 views
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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 | 1,266 views
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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 | 1,235 views
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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 | 1,208 views
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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 | 1,201 views
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01 Mar 2019
Denoising stacked autoencoders for transient electromagnetic signal denoising
Fanqiang Lin, Kecheng Chen, Xuben Wang, Hui Cao, Danlei Chen, and Fanzeng Chen
Nonlin. Processes Geophys., 26, 13-23, https://doi.org/10.5194/npg-26-13-2019,https://doi.org/10.5194/npg-26-13-2019, 2019 | 1,198 views
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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 | 1,196 views
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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 | 1,195 views
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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 | 1,174 views
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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 | 1,169 views
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 | 1,121 views
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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 | 1,120 views
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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 | 1,083 views
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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, 3 comments) | 1,033 views
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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 | 1,014 views
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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 | 1,012 views
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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 | 1,012 views
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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 | 1,004 views
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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 | 1,003 views
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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 | 996 views
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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 | 976 views
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11 Oct 2018
Characterising regime behaviour in the stably stratified nocturnal boundary layer on the basis of stationary Markov chains
Carsten Abraham and Adam H. Monahan
Nonlin. Processes Geophys. Discuss., https://doi.org/10.5194/npg-2018-44,https://doi.org/10.5194/npg-2018-44, 2018
Manuscript under review for NPG (discussion: final response, 3 comments) | 954 views
10 Oct 2018
Lyapunov analysis of multiscale dynamics: The slow manifold of the two-scale Lorenz '96 model
Mallory Carlu, Francesco Ginelli, Valerio Lucarini, and Antonio Politi
Nonlin. Processes Geophys. Discuss., https://doi.org/10.5194/npg-2018-41,https://doi.org/10.5194/npg-2018-41, 2018
Revised manuscript under review for NPG (discussion: final response, 4 comments) | 922 views
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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 | 919 views
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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 | 917 views
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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 | 904 views
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28 Sep 2018
A comprehensive model for the kyr and Myr time scales of Earth's axial magnetic dipole field
Matthias Morzfeld and Bruce A. Buffett
Nonlin. Processes Geophys. Discuss., https://doi.org/10.5194/npg-2018-42,https://doi.org/10.5194/npg-2018-42, 2018
Revised manuscript under review for NPG (discussion: final response, 3 comments) | 904 views
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11 Oct 2018
A Bayesian Approach to Multivariate Adaptive Localization in Ensemble-Based Data Assimilation with Time-Dependent Extensions
Andrey A. Popov and Adrian Sandu
Nonlin. Processes Geophys. Discuss., https://doi.org/10.5194/npg-2018-45,https://doi.org/10.5194/npg-2018-45, 2018
Revised manuscript under review for NPG (discussion: final response, 3 comments) | 896 views
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09 Oct 2018
Ion acceleration at dipolarization fronts associated with interchange instability in the magnetotail
Chao Sun, Yasong Ge, and Haoyu Lu
Nonlin. Processes Geophys. Discuss., https://doi.org/10.5194/npg-2018-43,https://doi.org/10.5194/npg-2018-43, 2018
Revised manuscript under review for NPG (discussion: final response, 4 comments) | 872 views
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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 | 824 views
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12 Nov 2018
Non-Gaussian statistics in global atmospheric dynamics: a study with a 10 240-member ensemble Kalman filter using an intermediate AGCM
Keiichi Kondo and Takemasa Miyoshi
Nonlin. Processes Geophys. Discuss., https://doi.org/10.5194/npg-2018-52,https://doi.org/10.5194/npg-2018-52, 2018
Manuscript under review for NPG (discussion: final response, 3 comments) | 692 views
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13 Dec 2018
Statistical Hypothesis Testing in Wavelet Analysis: Theoretical Developments and Applications to India Rainfall
Justin A. Schulte
Nonlin. Processes Geophys. Discuss., https://doi.org/10.5194/npg-2018-55,https://doi.org/10.5194/npg-2018-55, 2018
Manuscript under review for NPG (discussion: final response, 2 comments) | 677 views
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29 Jun 2018
Preface: Nonlinear waves and chaos
Gurbax S. Lakhina, Bruce T. Tsurutani, George J. Morales, Annick Pouquet, Masahiro Hoshino, Juan Alejandro Valdivia, Yasuhito Narita, and Roger Grimshaw
Nonlin. Processes Geophys., 25, 477-479, https://doi.org/10.5194/npg-25-477-2018,https://doi.org/10.5194/npg-25-477-2018, 2018 | 663 views
18 Feb 2019
Exploring the sensitivity of Northern Hemisphere atmospheric circulation to different surface temperature forcing using a statistical–dynamical atmospheric model
Sonja Totz, Stefan Petri, Jascha Lehmann, Erik Peukert, and Dim Coumou
Nonlin. Processes Geophys., 26, 1-12, https://doi.org/10.5194/npg-26-1-2019,https://doi.org/10.5194/npg-26-1-2019, 2019 | 658 views
04 Dec 2018
Competition between Chaotic Advection and Diffusion: Stirring and Mixing in a 3D Eddy Model
Genevieve Jay Brett, Larry Pratt, Irina Rypina, and Peng Wang
Nonlin. Processes Geophys. Discuss., https://doi.org/10.5194/npg-2018-54,https://doi.org/10.5194/npg-2018-54, 2018
Revised manuscript accepted for NPG (discussion: closed, 5 comments) | 649 views
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05 Dec 2018
On the localization in strongly coupled ensemble data assimilation using a two-scale Lorenz model
Zheqi Shen, Youmin Tang, Xiaojing Li, Yanqiu Gao, and Junde Li
Nonlin. Processes Geophys. Discuss., https://doi.org/10.5194/npg-2018-50,https://doi.org/10.5194/npg-2018-50, 2018
Revised manuscript under review for NPG (discussion: final response, 5 comments) | 611 views
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10 Dec 2018
Estimating vertically averaged energy dissipation rate
Nozomi Sugiura, Shinya Kouketsu, Shuhei Masuda, Satoshi Osafune, and Ichiro Yasuda
Nonlin. Processes Geophys. Discuss., https://doi.org/10.5194/npg-2018-48,https://doi.org/10.5194/npg-2018-48, 2018
Manuscript under review for NPG (discussion: final response, 3 comments) | 600 views
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03 Dec 2018
Characterization of the South Atlantic Anomaly
Khairul Afifi Nasuddin, Mardina Abdullah, and Nurul Shazana Abdul Hamid
Nonlin. Processes Geophys. Discuss., https://doi.org/10.5194/npg-2018-51,https://doi.org/10.5194/npg-2018-51, 2018
Revised manuscript accepted for NPG (discussion: closed, 4 comments) | 556 views
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05 Dec 2018
Can the Nucleation Phase be Generated on a Sub-fault Linked to the Main Fault of an Earthquake?
Jeen-Hwa Wang
Nonlin. Processes Geophys. Discuss., https://doi.org/10.5194/npg-2018-49,https://doi.org/10.5194/npg-2018-49, 2018
Manuscript under review for NPG (discussion: open, 4 comments) | 550 views
02 May 2018
Fluctuations of finite-time Lyapunov exponents in an intermediate-complexity atmospheric model: a multivariate and large-deviation perspective
Frank Kwasniok
Nonlin. Processes Geophys. Discuss., https://doi.org/10.5194/npg-2018-25,https://doi.org/10.5194/npg-2018-25, 2018
Manuscript under review for NPG (discussion: final response, 2 comments) | 483 views
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