Igor Gejadze

802 total citations
43 papers, 532 citations indexed

About

Igor Gejadze is a scholar working on Atmospheric Science, Global and Planetary Change and Computational Mechanics. According to data from OpenAlex, Igor Gejadze has authored 43 papers receiving a total of 532 indexed citations (citations by other indexed papers that have themselves been cited), including 27 papers in Atmospheric Science, 21 papers in Global and Planetary Change and 15 papers in Computational Mechanics. Recurrent topics in Igor Gejadze's work include Meteorological Phenomena and Simulations (25 papers), Fluid Dynamics and Turbulent Flows (11 papers) and Climate variability and models (11 papers). Igor Gejadze is often cited by papers focused on Meteorological Phenomena and Simulations (25 papers), Fluid Dynamics and Turbulent Flows (11 papers) and Climate variability and models (11 papers). Igor Gejadze collaborates with scholars based in France, Russia and United Kingdom. Igor Gejadze's co-authors include V. P. Shutyaev, Pierre‐Olivier Malaterre, François‐Xavier Le Dimet, G. J. M. Copeland, Hind Oubanas, Jérôme Monnier, Franck Mercier, Alessio Domeneghetti, Michael Durand and Rui Wei and has published in prestigious journals such as SHILAP Revista de lepidopterología, Water Resources Research and Journal of Computational Physics.

In The Last Decade

Igor Gejadze

40 papers receiving 511 citations

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Igor Gejadze France 13 290 209 178 89 75 43 532
Van Thinh Nguyen South Korea 15 150 0.5× 76 0.4× 133 0.7× 64 0.7× 44 0.6× 64 636
Shengan Zhan United States 8 190 0.7× 81 0.4× 136 0.8× 34 0.4× 14 0.2× 13 382
Fabien Marche France 11 140 0.5× 350 1.7× 90 0.5× 103 1.2× 531 7.1× 17 966
M. U. Altaf Saudi Arabia 12 137 0.5× 198 0.9× 35 0.2× 48 0.5× 51 0.7× 22 426
Boujemaa Ait‐El‐Fquih Saudi Arabia 13 159 0.5× 164 0.8× 83 0.5× 9 0.1× 11 0.1× 36 510
M. Montanari Italy 10 273 0.9× 185 0.9× 245 1.4× 40 0.4× 26 0.3× 17 829
James Wendelberger United States 2 153 0.5× 134 0.6× 43 0.2× 20 0.2× 49 0.7× 4 422
Sophie Ricci France 15 593 2.0× 369 1.8× 311 1.7× 43 0.5× 23 0.3× 54 776
Mario Morales‐Hernández Spain 19 558 1.9× 395 1.9× 409 2.3× 152 1.7× 203 2.7× 53 938
Georges Kesserwani United Kingdom 20 407 1.4× 355 1.7× 215 1.2× 102 1.1× 431 5.7× 55 947

Countries citing papers authored by Igor Gejadze

Since Specialization
Citations

This map shows the geographic impact of Igor Gejadze's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Igor Gejadze with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Igor Gejadze more than expected).

Fields of papers citing papers by Igor Gejadze

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Igor Gejadze. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Igor Gejadze. The network helps show where Igor Gejadze may publish in the future.

Co-authorship network of co-authors of Igor Gejadze

This figure shows the co-authorship network connecting the top 25 collaborators of Igor Gejadze. A scholar is included among the top collaborators of Igor Gejadze based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Igor Gejadze. Igor Gejadze is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Fatras, Christophe, et al.. (2025). Reconstruction of Effective Cross-Sections from DEMs and Water Surface Elevation. Remote Sensing. 17(6). 1020–1020.
2.
Demargne, Julie, et al.. (2024). Spatially distributed calibration of a hydrological model with variational optimization constrained by physiographic maps for flash flood forecasting in France. SHILAP Revista de lepidopterología. 385. 281–290. 3 indexed citations
3.
Gejadze, Igor, V. P. Shutyaev, Hind Oubanas, & Pierre‐Olivier Malaterre. (2023). A Bayesian-variational cyclic method for solving estimation problems characterized by non-uniqueness (equifinality). Journal of Computational Physics. 488. 112239–112239.
4.
Gejadze, Igor, Pierre‐Olivier Malaterre, Hind Oubanas, & V. P. Shutyaev. (2022). A new robust discharge estimation method applied in the context of SWOT satellite data processing. Journal of Hydrology. 610. 127909–127909. 12 indexed citations
5.
Shutyaev, V. P., E. I. Parmuzin, & Igor Gejadze. (2021). Stability analysis of functionals in variational data assimilation with respect to uncertainties of input data for a sea thermodynamics model. Russian Journal of Numerical Analysis and Mathematical Modelling. 36(6). 347–357. 4 indexed citations
6.
Javelle, Pierre, et al.. (2020). On the potential of variational calibration for a fully distributed hydrological model: application on a Mediterranean catchment. Hydrology and earth system sciences. 24(11). 5519–5538. 17 indexed citations
7.
Gejadze, Igor, V. P. Shutyaev, & François-Xavier Le Dimet. (2018). Hessian-based covariance approximations in variational data assimilation. Russian Journal of Numerical Analysis and Mathematical Modelling. 33(1). 25–39. 7 indexed citations
8.
Gejadze, Igor, Hind Oubanas, & V. P. Shutyaev. (2017). Implicit treatment of model error using inflated observation‐error covariance. Quarterly Journal of the Royal Meteorological Society. 143(707). 2496–2508. 4 indexed citations
9.
Shutyaev, V. P., Igor Gejadze, Arthur Vidard, & François‐Xavier Le Dimet. (2016). Optimal solution error quantification in variational data assimilation involving imperfect models. International Journal for Numerical Methods in Fluids. 83(3). 276–290. 3 indexed citations
10.
Gejadze, Igor & Pierre‐Olivier Malaterre. (2016). Discharge estimation under uncertainty using variational methods with application to the full Saint‐Venant hydraulic network model. International Journal for Numerical Methods in Fluids. 83(5). 405–430. 21 indexed citations
11.
Shutyaev, V. P., Arthur Vidard, François-Xavier Le Dimet, & Igor Gejadze. (2016). On model error in variational data assimilation. Russian Journal of Numerical Analysis and Mathematical Modelling. 31(2). 1 indexed citations
12.
Shutyaev, V. P., Igor Gejadze, & François-Xavier Le Dimet. (2013). Posterior covariance versus analysis error covariance in variational data assimilation. EGU General Assembly Conference Abstracts. 1 indexed citations
13.
Gejadze, Igor, et al.. (2012). Analysis error covarianceversusposterior covariance in variational data assimilation. Quarterly Journal of the Royal Meteorological Society. 139(676). 1826–1841. 26 indexed citations
14.
Shutyaev, V. P. & Igor Gejadze. (2011). Adjoint to the Hessian derivative and error covariances in variational data assimilation. Russian Journal of Numerical Analysis and Mathematical Modelling. 26(2). 3 indexed citations
15.
Gejadze, Igor, et al.. (2009). On optimal solution error covariances in variational data assimilation problems. Journal of Computational Physics. 229(6). 2159–2178. 35 indexed citations
16.
Shutyaev, V. P., et al.. (2008). On optimal solution error covariances in variational data assimilation. Russian Journal of Numerical Analysis and Mathematical Modelling. 23(2). 7 indexed citations
17.
Gejadze, Igor, François‐Xavier Le Dimet, & V. P. Shutyaev. (2007). On error covariances in variational data assimilation. Russian Journal of Numerical Analysis and Mathematical Modelling. 22(2). 5 indexed citations
18.
Dimet, François-Xavier Le, V. P. Shutyaev, & Igor Gejadze. (2006). Analysis error via Hessian in variational data assimilation. Organic & Biomolecular Chemistry. 14(37). 8648–58. 3 indexed citations
19.
Gejadze, Igor, G. J. M. Copeland, & I. M. Navon. (2006). Open Boundary Control Problem for Navier-Stokes Equations Including a Free Surface: Data Assimilation. Computers & Mathematics with Applications. 52(8-9). 1269–1288. 16 indexed citations
20.
Gejadze, Igor & Y. Jarny. (2002). An inverse heat transfer problem for restoring the temperature field in a polymer melt flow through a narrow channel. International Journal of Thermal Sciences. 41(6). 528–535. 12 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by Van Thinh Nguyen Breakdown of academic impact, for papers by Shengan Zhan Breakdown of academic impact, for papers by Fabien Marche Breakdown of academic impact, for papers by M. U. Altaf Breakdown of academic impact, for papers by Boujemaa Ait‐El‐Fquih Breakdown of academic impact, for papers by M. Montanari Breakdown of academic impact, for papers by James Wendelberger Breakdown of academic impact, for papers by Sophie Ricci Breakdown of academic impact, for papers by Mario Morales‐Hernández Breakdown of academic impact, for papers by Georges Kesserwani
Rankless by CCL
2026