Yuei-An Liou

Yuei-An Liou
Personal Information
Born (1963-12-25) December 25, 1963
Yunlin, Taiwan
EducationNational Sun Yat-sen University (BS, 1987)
University of Michigan (MS, 1992, 1994; PhD, 1996)
OccupationsSpace and Remote Sensing Chair Professor and Academician
Known forRemote Sensing, GNSS Meteorology, Hydrometeorology, Atmospheric Science, Drought, Heat Stress, Tropical Cyclone

Yuei-An Liou (Chinese: 劉說安) is a Taiwanese Space and Remote Sensing scientist. He is a Chair Professor at National Central University (NCU) and serves at the Center for Space and Remote Sensing Research (CSRSR).

Liou is an Academician of the International Academy of Astronautics (IAA) and a Foreign Member of the Russian Academy of Engineering. He is also a Fellow of The Institution of Engineering and Technology (IET). In recognition of his scientific impact and citation influence, he has been listed among the World’s Top 2% Scientists by Stanford University since 2020.[1]

Education

Academic career

Academic positions

Liou has held numerous academic positions since 1996:[2]

Professional memberships and leadership

  • Founding President, Taiwan Group on Earth Observations(TGEO) Taiwan (2010–present)
  • Honorary President, Vietnamese Experts Association in Taiwan and Vietnam (2016–present)
  • President, Taiwan GIS Center (National Development Council think-tank) (2014–2016)
  • Member of the Expert Board, Skolkovo Foundation, Russia (2014–present)
  • Co-Chairman, Environmental Monitoring from Space of East Asia (EMSEA) (2006–present)
  • Member, Working Group 7, Asia-Pacific Biodiversity Observation Network (AP BON, GEO) (2009–present)
  • Member, COSPAR Task Group on the Group on Earth Observations (2013–present)
  • Member, International Committee for IGMASS Project Implementation, Taiwan (2010–present)
  • Senior Member, Institute of Electrical and Electronics Engineers (IEEE) (2001–present)

He has also served as an advisor to various governmental agencies, including the Public Construction Commission and Atomic Energy Council of the Executive Yuan of Taiwan. Liou serves on academic awards committees, including the Ministry of Education Yushan Scholar Program Committee and the Yuan-Tseh Lee Foundation for the Advancement of Outstanding Scholarship Outstanding Scholar Awards. He was also a nominator for the 2024 Kyoto Prize. From 2005 to 2006, he also served as Advisor and Division Director of the Science Research Division at the National Space Organization (NSPO), where he oversaw satellite missions and scientific research and development, including the FORMOSAT-3 space mission.

Awards and honors

Liou has received numerous academic Honors and Awards throughout his Academic career:[2]

Research contributions

Academic output and rankings

From 1996, Liou published more than 204 research papers, including 182 articles indexed in the Science Citation Index (SCI). He served as the corresponding author for 143 of these publications. His cumulative Impact Factor (IF) is reported at 908.144. Citation metrics indicate his work has been widely referenced, with citation counts of 9,423 (CNG), 6,549 (CNS), and 4,716 (CNW).[3] According to ScholarGPS rankings, Liou is ranked within the top 0.78% of scholars globally across all fields. His work holds significant standing in engineering and earth sciences, ranking in the top 0.5% for Remote sensing (0.41%) and Typhoon research (0.37%), and the top 1% for Global Positioning System (0.61%), Electrical and Computer Engineering (0.82%), and Machine learning (1.09%).[4]

Disaster response and environmental monitoring

Liou's research applies remote sensing and satellite observation to international disaster response and environmental monitoring. His work frequently addresses hydrological extremes and climate-related hazards across the world. His research has contributed to international disaster response efforts, including analyzing satellite imagery for Tropical cyclones in Taiwan, the Philippines, and Vietnam, drought conditions in Ethiopia, India, Pakistan, urban heat island effects and heat stress in Vietnam and Taiwan, glacier in China, and many other regions include many Asian countries, Europe, United States, and Canada. Notable applications include analysis of the catastrophic flooding caused by Typhoon Morakot in 2009.[5]

Mentorship

Liou supervises the Hydrology Remote Sensing Laboratory (HRSL) under the Center for Space and Remote Sensing Research, National Central University, where he has mentored numerous graduate students. Students under his supervision have received recognition at international scientific venues, including best paper awards at conferences such as the Asia Oceania Geosciences Society (AOGS).[2]

Recent developments

Liou is working hard and published extensively in high-impact journals, focusing on the development of novel remote sensing indices for drought monitoring, global climate datasets, and urban environmental analysis. Notably, he developed the Relative Surface Evapotranspiration Index (RSETI) for drought characterization, published in Remote Sensing of Environment (2025),[6] and the Surface Water Availability and Temperature (SWAT) index, published in IEEE Transactions on Geoscience and Remote Sensing (2023).[7]

References

  1. ^ Ioannidis, John P. A. (2025). "August 2025 data update for "Updated science-wide author databases of standardized citation indicators"". Elsevier Data Repository. Retrieved 2025-01-23.
  2. ^ a b c "Liou, Yuei-An Space and Remote Sensing Chair Professor". Center for Space and Remote Sensing Research, National Central University. Retrieved 2025-01-24.
  3. ^ Citation data sourced from ScholarGPS and institutional records.
  4. ^ "ScholarGPS Profile: Yuei-An Liou". Retrieved 2026-01-24.
  5. ^ Liou, Y.A. (2013). "A possible mechanism responsible for exceptional rainfall over Taiwan from Typhoon Morakot". Journal of Hydrology.
  6. ^ Liou, Y.-A.; Thai, M.-T. (2025). "Relative Surface Evapotranspiration Index (RSETI): A Novel Approach for Drought Characterization in Australia". Remote Sensing of Environment. doi:10.1016/j.rse.2025.114948.
  7. ^ Liou, Y.-A.; Thai, M.-T. (2023). "Surface Water Availability and Temperature (SWAT): An innovative index for remote sensing of drought observation". IEEE Transactions on Geoscience and Remote Sensing. 61: 1–12. doi:10.1109/TGRS.2023.3321910.
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