Relevant Experience
· More than 10 years’ experience in boreal-Arctic hydro-ecological process modeling, remote sensing data-driven permafrost modeling, satellite-based evapotranspiration algorithm and terrestrial carbon flux model development.
· Co-leading the algorithm development of permafrost and active layer thickness products using radar and radiometer supporting NASA ABoVE campaign; earlier algorithm developer for SMAP Level 4 Carbon product.
Education
· Ph.D. Hydrology, Tsinghua University, Beijing, China, 2008
· M.S. Photogrammetry and Remote Sensing, Peking University, China, 2005
· B.E. Hydrology, Wuhan University, Wuhan, China, 2002
Professional Experience:
· 2021/10-present: Research Professor, Tongji University, China.
· 2020/03-2021/09: Assistant researcher at JIFRESSE, UCLA
· 2018/04-2020/03: NPP senior fellow at Jet Propulsion Lab (JPL)
· 2009/09-2018/03: Research Scientist, Numerical Terradynamic Simulation Group, University of Montana
· 2008/09-2009/08: Postdoc, Dept. Civil Engineering, University of Manitoba, Canada
Refereed Publications
Papers published in refereed journals:
1. Yi, Y., Chen, R. H., Kimball, J. S., Moghaddam, M., Xu, X., Euskirchen, E. S., et al. (2022). Potential Satellite Monitoring of Surface Organic Soil Properties in Arctic Tundra From SMAP. Water Resources Research, 58(4). https://doi.org/10.1029/2021WR030957
2. Bakian-Dogaheh, K., Chen, R. H., Yi, Y., Kimball, J. S., Moghaddam, M., & Tabatabaeenejad, A. (2022). A model to characterize soil moisture and organic matter profiles in the permafrost active layer in support of radar remote sensing in Alaskan Arctic tundra. Environmental Research Letters, 17(2), 025011.
3. Yi, Y., Chen, R.H., Moghaddam M., Kimball J.S., Jones, B.A., Jandt, R., Miller,E. Miller, C., Sensitivity of multi-frequency polarimetric SAR data to post-fire permafrost changes and recovery processes in Arctic tundra. IEEE Trans. Geosci. Remote Sensing, 2021, doi: 10.1109/TGRS.2021.3125715
4. Kim, J., Kim, Y., Zona, D., Oechel, Park, S., Lee, B., Yi, Y., Erb, A., Schaaf, C. Carbon response of tundra ecosystems to advancing greenup and snowmelt in Alaska. Nature Communications, 12(1), 6879. https://doi.org/10.1038/s41467-021-26876-7
5. Yi, Y., Kimball, J.S., Watts, J., Natali, S., Zona, D., Liu, J., Ueyama, M., Kobayashi, H., Oechel, W., and Miller, C.E.: Investigating the sensitivity of soil heterotrophic respiration to recent snow cover changes in Alaska using a satellite-based permafrost carbon model. Biogeosciences, 17, 5861-5882, 2020.
6. Jiang, H., Zhang, G., Yi, Y.*, Chen, D., Zhang, W., Yang, K., Miller, C.E. Progress and challenges in studying regional permafrost in the Tibetan Plateau using satellite remote sensing and models (Invited). Frontiers in Earth Science, 8:560403.
7. Zheng, G., Yang, Y., Yang, D., Dafflon, B., Yi, Y., Zhang, S., Chen, D., Gao, B., Wang, T., Shi, R., and Wu, Q. (2020). Remote sensing spatiotemporal patterns of frozen soil and the environmental controls over the Tibetan Plateau during 2002–2016. Remote Sensing of Environment, 247, 111927.
8. Jiang, H., Yi, Y., Zhang, W., Yang, K., Chen, D.: Investigating the sensitivity of soil freeze/thaw dynamics to environmental conditions at different scales in the Central Tibetan Plateau. Science of the Total Environment. 734, 129261, 2020.
9. Yi, Y., Kimball, J.S., Chen, R.H., Moghaddam, M., and Miller, C.E.: Sensitivity of active-layer freezing process to snow cover in Arctic Alaska, The Cryosphere, 13, 197-218, 2019.
10. He, M., Kimball, J.S., Yi, Y., Mu, Q., Running, S.W., Guang, K., Maneta, M.: Satellite data-driven modeling of field scale evapotranspiration in croplands using the MOD16 algorithm framework. Remote Sensing of Environment, 230, 2019.
11. He, M., Kimball, J.S., Yi, Y. et al. Impacts of the 2017 flash drought in the US Northern plains informed by satellite-based evapotranspiration and solar-induced fluorescence. Environ. Res. Lett., 14, 074019, 2019.
12. Yi, Y., Kimball, J.S., Chen, R., Moghaddam, M., Reichle, R.H., Mishra, U., Zona, D., Oechel, W.: Characterizing permafrost soil active layer dynamics and sensitivity to landscape spatial heterogeneity in Alaska. The Cryosphere, 12, 145-161, 2018.
13. Jiang, H., Zhang, W., Yi, Y. et al.: The impacts of soil freeze/thaw dynamics on soil water transfer and spring phenology in the Tibetan Plateau. Arctic, Antarctic and Alpine Research, 50(1), e1439155, 2018.
14. Wang, J., Dong, J., Yi, Y. et al.: Decreasing net primary production due to drought and slight decreases in solar radiation in China from 2000 to 2012. Journal of Geophysical Research-Biogeosciences, 122, doi:10.1002/2016JG003417. 2017.
15. Zhang, W., Yi, Y., Song, K., Kimball, J.S.: Hydrological sensitivity of alpine wetlands to climate warming in the eastern Tibetan Plateau. Remote Sensing, 8, 336, 2016.
16. Yi, Y., Kimball, J. S., Rawlins, M. A., Moghaddam, M., Euskirchen, E. S.: The role of snow cover affecting boreal-arctic soil freeze-thaw and carbon dynamics, Biogeosciences, 12, 5811-5829, 2015.
17. Zhang, W., Yi, Y., Kimball, J.S., Kim, Y.: Climatic controls on spring onset of Tibetan Plateau grasslands from 1982 to 2008. Remote Sensing, 7(12), 2015.
18. Yi, Y., Kimball, J. S., Reichle, R. H.: Spring hydrology determines summer net carbon uptake in northern ecosystems, Environ. Res. Lett., 9, 064003, 2014.
19. Yi, Y., Kimball, J. S., Jones, L. A., Reichle, R. H., Nemani, R., Margolis, H. A.: Recent climate and fire disturbance impacts on boreal and arctic ecosystem productivity estimated using a satellite-based terrestrial carbon flux model, Journal of Geophysical Research-Biogeosciences, 118, 606-622, 2013.
20. McGuire, A. D. et al. (including Yi, Y.): An assessment of the carbon balance of Arctic tundra: comparisons among observations, process models, and atmospheric inversions, Biogeosciences, 9, 3185-3204, doi:10.5194/bg-9-3185-2012, 2012.
21. Yi, Y., Kimball, J. S., Jones, L. A., Reichle, R. H., McDonald, K. C.: Evaluation of MERRA land surface estimates in preparation for the Soil Moisture Active Passive Mission, Journal of Climate, 24, 3797-3816, 2011.
22. Yi, Y. and Yang, D.: An operational method to estimate evapotranspiration using MODIS data during winter wheat growing season, International Journal of Remote Sensing, 32, 4915-4932, 2011.
23. Zhang, W., Wang, H., Yang, F., Yi, Y. et al.: Underestimated effects of low temperature during early growing season on carbon sequestration of a subtropical coniferous plantation, Biogeosciences, 8, 1667-1678, 2011.
24. Yi, Y., Yang, D., Huang, J., Chen, D.: Evaluation of MODIS surface reflectance products for wheat leaf area index (LAI) retrieval, ISPRS Journal of Photogrammetry and Remote Sensing, 63, 661-677, 2008.
25. Xu, J., Yang, D., Yi, Y. et al.: Spatial and temporal variation of runoff in the Yangtze River basin during the past 40 years, Quaternary International, 186, 32-42, 2008.
26. Yi, Y., Yang, D. W., Chen, D. Y., Huang, J.: Retrieving crop physiological parameters and assessing water deficiency using MODIS data during the winter wheat growing period, Canadian Journal of Remote Sensing, 33, 189-202, 2007.
Papers Under Review:
27. Lu, P., Han, J., Yi, Y., Hao, T., Zhou, F., Meng X., Zhang, Y., Li, R. InSAR unveils dynamic permafrost disturbances on Tibetan Plateau hinterland. Remote Sensing Environment, in review.
28. Byrne, B., Liu, J., Yi, Y., Chatterjee, A., Basu, S., Cheng, R., Doughty, R., Chevallier, F., Bowman, K. W., Parazoo, N. C., Crisp, D., Li, X., Xiao, J., Sitch, S., Guenet, B., Deng, F., Johnson, M. S., Philip, S., McGuire, P. C., and Miller, C. E.: Multi-year observations reveal a larger than expected autumn respiration signal across northeast Eurasia, Biogeosciences Discuss., https://doi.org/10.5194/bg-2022-40, in review, 2022.
29. Schiferl, L., Arndt, K., Biraud, S., Euskirchen, E.S., Henderson, J., Larson, E., McKain, K., Munger, J.W., Oechel, W., Sweeney, C., Watts, J.D., Yi, Y., Zona, D., and Commane, R. Using atmospheric observations to quantify annual biogenic carbon dioxide fluxes on the Alaska North Slope. Global Change Biology. In review.
Published Data Products:
30. Bakian-Dogaheh, K., R.H. Chen, M. Moghaddam, Y. Yi, and A. Tabatabaeenejad. 2020. ABoVE: Active Layer Soil Characterization of Permafrost Sites, Northern Alaska, 2018. ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/1759.
31. Yi, Y., J.S. Kimball, and C.E. Miller. 2020. ABoVE: High Resolution Cloud-Free Snow Cover Extent and Snow Depth, Alaska, 2001-2017. ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/1757.
32. Yi, Y., and J.S. Kimball. 2020. ABoVE: Active Layer Thickness from Remote Sensing Permafrost Model, Alaska, 2001-2015. ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/1760.
Other Publications (non-peer-reviewed):
33. Zhao Y., Chen, R.H., Bakian-Dogaheh, K., Whitcomb, J., Yi, Y., Kimball, J.S., Moghaddam, M. Mapping Boreal Forest Species and Canopy Height using Airborne SAR and Lidar Data in Interior Alaska. IEEE International Geoscience and Remote Sensing Symposium, 2022
34. Whitcomb, J., Chen, R.H., Clewley, D., Kimball, J., Pastick, N., Yi, Y., Moghaddam, M.. Active Layer Thickness throughout northern Alaska by Upscaling from P-band Polarimetric SAR retrievals. IEEE International Geoscience and Remote Sensing Symposium, 2022
35. Yi Y., R.H. Chen, M. Moghaddam, J.S. Kimball, B. Jones, C.E. Miller. Potential of Full-Polarimetric P- and L-band SAR Data in Characterizing Post-fire Recovery of Arctic Tundra (Invited). 2021 IEEE International Geoscience and Remote Sensing Symposium, 2021.
36. J Whitcomb, R Chen, D Clewley, Y Yi, J Kimball. Maps of Active Layer Thickness on the North Slope of Alaska by Upscaling P-Band Polarimetric SAR Retrievals. IEEE International Geoscience and Remote Sensing Symposium, 2021, 10.1109/IGARSS47720.2021.9553628.
37. Yi Y., R. H. Chen, D. Nicolsky; M. Moghaddam; J. S. Kimball; V. E. Romanovsky, C. E. Miller, Developing A Soil Inversion Model Framework for Regional Permafrost Monitoring, IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium, Yokohama, Japan, 2019, pp. 4032-4035.
38. Tang Y., Yi Y., and W. Zhang, Land surface temperature retrieval using AMSR-E data in the Central Tibetan Plateau, 2016 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), Beijing, 2016, pp. 4886-4889.
39. Kimball, J., Yi Y., L. A. Jones, R. Reichle, and K. C. McDonald. 2011. Monitoring of Net Ecosystem CO2 Exchange for the Soil Moisture Active Passive Mission. In Proceedings of the 34th International Symposium on Remote Sensing of Environment, 10–15.
Research Projects
· Shanghai Talent Program, 2021-2026
· Enhancement of High-Resolution Soil Moisture Algorithm and Product for Arctic Region Using the Multi-Sensor Data Fusion Approach, Co-I, NASA Terrestrial Hydrology, 2021-2023.
· Improving Understanding and Prediction of Permafrost Active Layer Processes Using a Coupled Radar Inversion and Soil Process Model Framework, Co-PI, NASA Terrestrial Ecology, 2019-2022.
· Developing an Integrated Modeling Framework to Characterize Soil Moisture Effects on Boreal-Arctic Soil Freeze/thaw Dynamics and Cold-season Carbon Emissions, PI, NASA NPP fellowship, 2018-2020.
· Studying the impact of permafrost degradation on the eco-hydrological processes in the Tibetan Plateau based on multiple satellite observations and a process model, PI, Open Fund of Sichuan University (China), 2015-2017.
Professional Services
· Science team member: NASA Arctic Boreal Vulnerability Experiment since 2019.
· Panel review: NSF Polar Programs (2016), NASA Water Resources Earth Science Applications (2014), NASA Interdisciplinary Research in Earth Science (2013).
· Scientific Committee Member: IEEE Geoscience and Remote Sensing Symposium (2011-2018).
· Journal Review: Nature Geoscience, The Cryosphere, Water Resources Research, Journal of Geophysical Research, Remote Sensing of Environment, Global Change Biology, Environmental Research Letters, Geoscientific Model Development, Hydrology and Earth System Sciences, Journal of Hydrometeorology, IEEE Transactions on Geoscience and Remote Sensing etc.
· Other: Guest Editor (Frontiers in Big Data; Frontiers in Earth Sciences); Review Editor (Frontiers in Remote Sensing), Session convener (2021 Regional Conference on Permafrost, Boulder, USA).
