Nonlinear Processes in Geophysics
Nonlinear Processes in Geophysics
NPG

Research article

08 Sep 2025
Ensemble-based model predictive control using data assimilation techniques
Kenta Kurosawa, Atsushi Okazaki, Fumitoshi Kawasaki, and Shunji Kotsuki
Nonlin. Processes Geophys., 32, 293–307, https://doi.org/10.5194/npg-32-293-2025,https://doi.org/10.5194/npg-32-293-2025, 2025
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15 Aug 2025
Evaluation of the effectiveness of an intervention strategy in a control simulation experiment through comparison with model predictive control
Rikuto Nagai, Yang Bai, Masaki Ogura, Shunji Kotsuki, and Naoki Wakamiya
Nonlin. Processes Geophys., 32, 281–292, https://doi.org/10.5194/npg-32-281-2025,https://doi.org/10.5194/npg-32-281-2025, 2025
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14 Aug 2025
Dynamic Mode Decomposition of Extreme Events
Maša Ann, Jörn Behrens, and Jana Sillmann
EGUsphere, https://doi.org/10.5194/egusphere-2025-3505,https://doi.org/10.5194/egusphere-2025-3505, 2025
Preprint under review for NPG (discussion: open, 1 comment)
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13 Aug 2025
Spatiotemporal variation in rainfall predictability in Serbia under a changing climate
Tatijana Stosic, Ivana Tošić, Antonio Samuel Alves da Silva, Vladimir Djurdjević, and Borko Stosic
EGUsphere, https://doi.org/10.5194/egusphere-2025-3766,https://doi.org/10.5194/egusphere-2025-3766, 2025
Preprint under review for NPG (discussion: open, 0 comments)
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04 Aug 2025
Exploring urban heat islands with a simple thermodynamic model
Mijeong Jeon, Kyeongjoo Park, Woosok Moon, Jae-Jin Kim, and Jong-Jin Baik
EGUsphere, https://doi.org/10.5194/egusphere-2025-3679,https://doi.org/10.5194/egusphere-2025-3679, 2025
Preprint under review for NPG (discussion: open, 0 comments)
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28 Jul 2025
A Theory of Earthquake Prediction
Jeen-Hwa Wang
EGUsphere, https://doi.org/10.5194/egusphere-2025-3192,https://doi.org/10.5194/egusphere-2025-3192, 2025
Preprint under review for NPG (discussion: open, 0 comments)
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25 Jul 2025
On the hydrostatic approximation in rotating stratified flow
Achim Wirth
Nonlin. Processes Geophys., 32, 261–280, https://doi.org/10.5194/npg-32-261-2025,https://doi.org/10.5194/npg-32-261-2025, 2025
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23 Jul 2025
Intermittency in fluid and magnetohydrodynamics (MHD) turbulence analyzed through the prism of moment scaling predictions of multifractal models
Annick Pouquet, Raffaele Marino, Hélène Politano, Yannick Ponty, and Duane Rosenberg
Nonlin. Processes Geophys., 32, 243–259, https://doi.org/10.5194/npg-32-243-2025,https://doi.org/10.5194/npg-32-243-2025, 2025
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14 Jul 2025
Ionospheric chaos in the solar quiet current due to sudden stratospheric warming events across the European and African sectors
Irewola Aaron Oludehinwa, Andrei Velichko, Olasunkanmi Isaac Olusola, Olawale Segun Bolaji, Norbert Marwan, Babalola Olasupo Ogunsua, Abdullahi Ndzi Njah, and Timothy Oluwaseyi Ologun
Nonlin. Processes Geophys., 32, 225–242, https://doi.org/10.5194/npg-32-225-2025,https://doi.org/10.5194/npg-32-225-2025, 2025
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02 Jul 2025
MESMER-RCM: A Probabilistic Climate Emulator for Regional Warming Projections
Hao Pan, Lukas Gudmundsson, Mathias Hauser, Jonas Schwaab, Yann Quilcaille, and Sonia I. Seneviratne
EGUsphere, https://doi.org/10.5194/egusphere-2025-3052,https://doi.org/10.5194/egusphere-2025-3052, 2025
Preprint under review for NPG (discussion: final response, 3 comments)
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01 Jul 2025
Explaining the high skill of reservoir computing methods in El Niño prediction
Francesco Guardamagna, Claudia Wieners, and Henk A. Dijkstra
Nonlin. Processes Geophys., 32, 201–224, https://doi.org/10.5194/npg-32-201-2025,https://doi.org/10.5194/npg-32-201-2025, 2025
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27 Jun 2025
Rate-induced transitions and noise-driven resilience in vegetation pattern dynamics
Lilian Vanderveken and Michel Crucifix
Nonlin. Processes Geophys., 32, 189–200, https://doi.org/10.5194/npg-32-189-2025,https://doi.org/10.5194/npg-32-189-2025, 2025
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27 Jun 2025
Fractal Attractor of the Deep Convection Cycle in the Northwest Mediterranean Sea
Douglas Keller Jr.
EGUsphere, https://doi.org/10.5194/egusphere-2025-2860,https://doi.org/10.5194/egusphere-2025-2860, 2025
Preprint under review for NPG (discussion: open, 1 comment)
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25 Jun 2025
Impact of reduced non-Gaussianity on analysis and forecast accuracy by assimilating every-30-second radar observation with ensemble Kalman filter: idealized experiments of deep convection
Arata Amemiya and Takemasa Miyoshi
EGUsphere, https://doi.org/10.5194/egusphere-2025-2543,https://doi.org/10.5194/egusphere-2025-2543, 2025
Revised manuscript under review for NPG (discussion: final response, 5 comments)
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24 Jun 2025
Localization in the mapping particle filter
Juan Martin Guerrieri, Manuel Arturo Pulido, Takemasa Miyoshi, Arata Amemiya, and Juan José Ruiz
EGUsphere, https://doi.org/10.5194/egusphere-2025-2420,https://doi.org/10.5194/egusphere-2025-2420, 2025
Preprint under review for NPG (discussion: final response, 3 comments)
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23 Jun 2025
Multilevel Monte Carlo methods for ensemble variational data assimilation
Mayeul Destouches, Paul Mycek, Selime Gürol, Anthony T. Weaver, Serge Gratton, and Ehouarn Simon
Nonlin. Processes Geophys., 32, 167–187, https://doi.org/10.5194/npg-32-167-2025,https://doi.org/10.5194/npg-32-167-2025, 2025
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05 Jun 2025
Bayesian stability analysis of the AMOC using nested time-dependent autoregressive model
Luc Hallali, Eirik Myrvoll-Nilsen, and Christian L. E. Franzke
EGUsphere, https://doi.org/10.5194/egusphere-2025-2461,https://doi.org/10.5194/egusphere-2025-2461, 2025
Revised manuscript accepted for NPG (discussion: final response, 7 comments)
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26 May 2025
Finite-size local dimension as a tool for extracting geometrical properties of attractors of dynamical systems
Martin Bonte and Stéphane Vannitsem
Nonlin. Processes Geophys., 32, 139–165, https://doi.org/10.5194/npg-32-139-2025,https://doi.org/10.5194/npg-32-139-2025, 2025
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15 May 2025
Dynamic–statistic combined ensemble prediction and impact factors of China's summer precipitation
Xiaojuan Wang, Zihan Yang, Shuai Li, Qingquan Li, and Guolin Feng
Nonlin. Processes Geophys., 32, 117–130, https://doi.org/10.5194/npg-32-117-2025,https://doi.org/10.5194/npg-32-117-2025, 2025
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30 Apr 2025
Model Predictive Control with Foreseeing Horizon Designed to Mitigate Extreme Events in Chaotic Dynamical Systems
Fumitoshi Kawasaki, Atsushi Okazaki, Kenta Kurosawa, Tadashi Tsuyuki, and Shunji Kotsuki
EGUsphere, https://doi.org/10.5194/egusphere-2025-1785,https://doi.org/10.5194/egusphere-2025-1785, 2025
Revised manuscript under review for NPG (discussion: final response, 3 comments)
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28 Apr 2025
Negative differential resistance, instability, and critical transition in lightning leader
Xueqiang Gou, Chao Xin, Liwen Xu, Ping Yuan, Yijun Zhang, and Mingli Chen
Nonlin. Processes Geophys., 32, 107–115, https://doi.org/10.5194/npg-32-107-2025,https://doi.org/10.5194/npg-32-107-2025, 2025
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22 Apr 2025
Statistical and neural network assessment of the climatology of fog and mist at Pula Airport in Croatia
Marko Zoldoš, Tomislav Džoić, Jadran Jurković, Frano Matić, Sandra Jambrošić, Ivan Ljuština, and Maja Telišman Prtenjak
Nonlin. Processes Geophys., 32, 89–106, https://doi.org/10.5194/npg-32-89-2025,https://doi.org/10.5194/npg-32-89-2025, 2025
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08 Apr 2025
Teleconnection of Sahara to Mediterranean Basin evidenced by consecutive dust storms
Vincenzo Carbone, Vincenzo Capparelli, Jessica Castagna, Fabio Lepreti, Alfonso Senatore, and Giuseppe Mendicino
EGUsphere, https://doi.org/10.5194/egusphere-2025-1234,https://doi.org/10.5194/egusphere-2025-1234, 2025
Preprint under review for NPG (discussion: final response, 4 comments)
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25 Mar 2025
NORAD tracking of the 2022 February Starlink satellites and the immediate loss of 32 satellites
Fernando L. Guarnieri, Bruce T. Tsurutani, Rajkumar Hajra, Ezequiel Echer, and Gurbax S. Lakhina
Nonlin. Processes Geophys., 32, 75–88, https://doi.org/10.5194/npg-32-75-2025,https://doi.org/10.5194/npg-32-75-2025, 2025
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21 Mar 2025
Bottom–up approach for mitigating extreme events under limited intervention options: a case study with Lorenz 96
Takahito Mitsui, Shunji Kotsuki, Naoya Fujiwara, Atsushi Okazaki, and Keita Tokuda
EGUsphere, https://doi.org/10.5194/egusphere-2025-987,https://doi.org/10.5194/egusphere-2025-987, 2025
Revised manuscript under review for NPG (discussion: final response, 4 comments)
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CC BY 4.0