SNR-opt: a new data merging method outperforming the existing Triple Collocation-based weighted averaging
Kim S., Sharma A., Liu Y., Young I. S. (2022). Rethinking Satellite Data Merging: From Averaging to SNR Optimization, IEEE Trans. Geosci. Remote Sens., 60, 1–15.
News
2026
May 2026: We are pleased to welcome Dr. Hussain Palagiri as a Research Professor in our lab.
Mar 2026: New paper published in Journal of Hydrology with with Suraj Shah, Yi Liu, and Ashish Sharma!
Mar 2026: New paper published in Remote Sensing of Environment with with Suraj Shah, Yi Liu, and Ashish Sharma!
2025
Oct 2025: New paper published in IEEE TGRS with with Kwanghee Han, Raj Mehrotra, and Ashish Sharma!
Sep 2025: Welcome to our new undergraduate research assistants, Yeong Woo and Ho Sung!
July 2025: PhD student Yaggesh Sharma departed for a Research Practicum at UNSW Sydney Water Research Centre—wishing him success in this international program!
May 2025: Congrats to PhD student Yaggesh Sharma for publishing in Remote Sensing!
Jan 2025: New paper published in Environ. Model. Softw. with Drs. Yoon, Marshall, and Sharma!
Jan 2025: Welcome to our new undergraduate research assistants, Sangyoon and Jungmin!
2024
Dec 2024: Congrats to PhD student Yaggesh Sharma for publishing in Groundwater for Sustainable Development!
Nov 2024: Prof. Kim visited NASA GSFC and USDA-ARS to initiate academic collaborations.
Five Key Peer-Reviewed Journal Contributions
Shah, S., Liu, Y., Kim, S., & Sharma, A. (2026). Constrained negentropy optimisation (CoNE-opt): Using independent components to merge satellite data products. Remote Sensing of Environment, 334, 115170.
Han, K., Kim, S., Mehrotra, R., & Sharma, A. (2025). A Scalable Framework for Reservoir Water Level Monitoring Using Optical–SAR Integration in Data-Sparse Regions. IEEE Transactions on Geoscience and Remote Sensing, 63, 4212312.
Yoon, H.N., Marshall, L., Sharma, A., & Kim, S. (2025). Doing Hydrology when no in-situ data exists: Surrogate River discharge Model (SRM). Environmental Modelling & Software, 186, 106334.
Sharma, Y. K., Kim, S., Tayerani Charmchi, A. S., Kang, D., & Batelaan, O. (2025). Strategic Imputation of Groundwater Data Using Machine Learning: Insights from Diverse Aquifers in the Chao-Phraya River Basin. Groundwater for Sustainable Development, 28, 101394.
Kim, S., Wasko, C., Sharma, A., & Nathan, R. (2024). The role of regional water vapor dynamics in creating precipitation extremes. Journal of Hydrology X, 24, 100181.