(電郵: zhenyicun@proton.me ,辦公室:河海大學西康路校區伟德国际1916备用网址205 )
誠招研究生(2024、2025年9月入學)和博士後(2026年以前入職)
研究生:有數學專業背景者優先,研究項目為大氣海洋資料同化中的位移誤差問題,更多細節線上面談。
博士後(2年期):具有紅外遙感或者微波遙感背景,非常熟悉衛星觀測的正反演公式,有獨立開展科研的能力。
學習經曆:
2010-2016: 美國賓州州立大學(PSU),應用數學博士
工作經曆:
2018.7-2020.6:法國IMT-Atlantique學校, 博士後
2020.9-2022.2:法國海洋開發研究院(Ifremer),博士後
2022.8- 至今 :伟德国际1916备用网址,講師
海平面資料同化,位移誤差的計算理論及應用,Koopman理論
數學物理方法、計算方法(本科)
海洋中的數學物理方法(研一)
科研項目:
國家自然科學基金原創探索計劃項目,2024.1-2026.12,主持
論文論著:
[2023] Y. Zhen*, V. Resseguier, and B. Chapron, "A generalized framework to transport geophysical fields: a differential geometry perspective", [Arxiv].
[2023] Y. Zhen*, V. Resseguier, and B. Chapron, "Physically Constrained Covariance Inflation from Location Uncertainty", Nonlinear Processes Geophys., DOI: 10.5194/npg-30-237-2023,2023. [Arxiv]
[2022] Zhen, Y.*, Chapron, B., Mémin, E., "Bridging Koopman Operator and Time-Series Auto-Correlation Based Hilbert–Schmidt Operator". In: Chapron, B., Crisan, D., Holm, D., Mémin, E., Radomska, A. (eds) Stochastic Transport in Upper Ocean Dynamics. STUOD 2021. Mathematics of Planet Earth, vol 10. Springer, Cham. DOI: 10.1007/978-3-031-18988-3_19 [Arxiv] [會議論文]
[2022] Y. Zhen*, B. Chapron, E. Mémin, and Lin Peng, “Eigenvalues of Autocovariance Matrix:
A Practical Method to Identify the Koopman Eigenfrequencies,” Phys. Rev. E, DOI:
10.1103/PhysRevE.105.034205, Mar 2022. [Arxiv]
[2021] P. Plazter*, P. Yiou, P. Naveau,P. Tandeo,Y. Zhen, P. Ailliot, and Jean-François Filipot, "Using local
dynamics to explain analog forecasting of chaotic systems", J. Atmos. Sci., DOI:
10.1175/JAS-D-20-0204.1, May 2021.
[2021] Le Goff Clément*, Boussidi Brahim, Mironov Alexei, Guichoux Yann, Y. Zhen, Pierre Tandeo,
Gueguen Simon, Chapron Bertrand "Monitoring the Greater Agulhas Current With AIS Data
Information", J. Geophys. Res.: Oceans, DOI: 10.1029/2021JC017228, May 2021.
[2020] Pierre Tandeo*, Pierre Ailliot, Marc Bocquet, A. Carrassi, Takemasa Miyoshi, Manuel Pulido, and
Y. Zhen, "A Review of Innovation-Based Methods to Jointly Estimate Model and Observation
Error Covariance Matrices in Ensemble Data Assimilation", Mon. Wea. Rev., DOI:
10.1175/MWR-D-19-0240.1, Aug 2020.
[2020] Y. Zhen*, P. Tandeo, S. Leroux, S. Metref, T. Penduff, and J. Le Sommer, "An Adaptive Optimal
Interpolation Based on Analog Forecasting: Application to SSH in the Gulf of Mexico", J.
Atmos. Oceanic Technol. , DOI: 10.1175/JTECH-D-20-0001.1, Jul 2020.
[博士論文] ZHEN, Yicun, "Accounting for the Model Error and Sampling Error for Ensemble Kalman Filter", Ph.D. thesis, 2016.
[2015] Y. Zhen and J. Harlim*, "Adaptive Error Covariances Estimation Methods for Ensemble Kalman
Filters," J. Comput. Phys. , DOI: 10.1016/j.jcp.2015.03.061, Aug 2015. [Arxiv]
[2014] Y. Zhen and F. Zhang*, "A Probabilistic Approach to Adaptive Covariance Localization for Serial
Ensemble Square Root Filters", Mon. Wea. Rev. , DOI: 10.1175/MWR-D-13-00390.1,
Jul 2014.