Home Faculty Hydraulic Engineering

 
Chen, Chia-Jeng (CJ) ProfessorHydraulic Engineering
Title
Professor
TEL
(04) 2284-0437 ext. 303
E-Mail
cjchen@nchu.edu.tw
Office
Rm.312, Civil & Environmental Engineering Building
Record
Ph.D.(2012), Georgia Institute of Technology
Web site
http://www.cj-hydro-clim.com  
Experience
Professor, National Chung Hsing University, Taiwan, 2023–present
Visiting Scholar, National Oceanic and Atmospheric Administration (NOAA), 2024
Deputy Chair, National Chung Hsing University, Taiwan, 2022–2024
Associate Professor, National Chung Hsing University, Taiwan, 2020–2023
Assistant Professor, National Chung Hsing University, Taiwan, 2015–2020
Sr. Scientist, AIR Worldwide, 2013–2015
Postdoctoral Fellow, Georgia Institute of Technology, 2012–2013
Instructor, Georgia Institute of Technology, 2010–2011
Research Assistant, Georgia Water Resources Institute, 2007–2012
Research Assistant, Central Weather Bureau, Taiwan, 2004–2006
Research Areas
Hydro-Climatic Modeling and Forecasting
Regional Catastrophe Modeling and Risk Assessments
GIS and Remote Sensing Applications
Statistical Modeling and Machine Learning Applications
Integrated & Interdisciplinary Climate Risk Assessments
Sustainability and Environmental Management
Awards
2019-2021 Best Reviewer of Terrestrial, Atmospheric and Oceanic Sciences (TAO)
NCHU Distinguished Associate Professor, 2020–2022
2019 Journal of Disaster Management Best Paper Award
PROM – International Scholarship Exchange of Academic Staff, SGGW, Poland, 2019
2016 ASCE Outstanding Reviewer of the Journal of Water Resources Planning and Management
MOST Subsidies for Schools of Higher Education to Hire Distinguished Talents 2015-2018
Georgia Tech’s Nominee for the 2012 Lorenz G. Straub Award
Taiwan Merit Scholarships Program, National Science Council (NSC), Taiwan, 2006–2008
Thesis Award for the Memorial to Prof. Takasaka, National Taiwan University, 2002
Grant-In-Aid of the Undergraduate Monographic Study, NSC, Taiwan, 2001
Scholarship of Prof. Xu, National Taiwan University, 2001
Courses
  1. 上學期
  2. Applied Statistics
  3. Credit：3
  4. Class：Graduate
  1. 上學期
  2. Random Data Analysis
  3. Credit：3
  4. Class：Graduate
  1. 上學期
  2. Engineering Statistics (I)
  3. Credit：3
  4. Class：Sophomore-Class A&B
  1. 下學期
  2. Analysis of Water Resource System (I)
  3. Credit：3
  4. Class：Graduate
  1. 下學期
  2. Climate Change and Disaster Risk Assessment
  3. Credit：3
  4. Class：Graduate (In-Service Master Program)
  1. 下學期
  2. Hydraulic Engineering (I)
  3. Credit：3
  4. Class：Junior-Class A&B
  1. 下學期
  2. Fluid Mechanics (I)
  3. Credit：3
  4. Class：Sophomore-Class B
Selected Publications
● Referred Papers 
1.
Kao Y-C, Tsou H-E, Chen C-J*, “Development of Multi-Source Weighted-Ensemble Precipitation: Influence of bias correction based on recurrent convolutional neural networks,” Journal of Hydrology, vol. 629, pp. 130621, https://doi.org/10.1016/j.jhydrol.2024.130621, 01 2024. (EI、SCI、JCR)
2.
Chen C-J*, Chi M-H, Ye J-R, “Assessing hydroclimate response to land use/cover change using coupled atmospheric-hydrological models,” Geoscience Letters, vol. 10, no. 54, pp. 1–12, https://doi.org/10.1186/s40562-023-00310-w, 11 2023. (EI、SCI、JCR)
3.
Kan C-Y, Tsai C-C, Chen C-J, “Simple method for probabilistic seismic landslide hazard analysis based on seismic hazard curve and incorporating uncertainty of strength parameters,” Engineering Geology, vol. 314, pp. 107002, 03 2023. (EI、SCI、JCR)
4.
Lee T-Y, Chiu C-C, Chen C-J*, Lin C-Y, Shiah F-K, “Assessing future availability of water resources in Taiwan based on the Budyko framework,” Ecological Indicators, vol. 146, pp. 109808, https://doi.org/10.1016/j.ecolind.2022.109808, 02 2023. (EI、SCI、JCR)
5.
Chen C-J*, Bao S, “Hydro-climatic trends, variability, and regime shifts,” Atmosphere, vol. 14, no. 2, pp. 198, 01 2023. (EI、SCI、JCR)
6.
Tsai C-C, Huang L-Y, Chen C-J, “Earthquake- induced persistent and instantaneous groundwater variations caused by volumetric strain of soil in Taiwan from 1999 to 2020,” Soil Dynamics and Earthquake Engineering, vol. 164, pp. 1–10, 01 2023. (EI、SCI、JCR)
7.
Huang S-H, Mahmud K, Chen C-J*, “Meaningful trend in climate time series: a discussion based on linear and smoothing techniques for drought analysis in Taiwan ,” Atmosphere, vol. 13, no. 3, pp. 444, https://doi.org/10.3390/atmos13030444, 03 2022. (EI、SCI、JCR)
8.
Li P-L, Lin L-F, Chen C-J*, “Hydrometeorological assessment of satellite and model precipitation products over Taiwan,” Journal of Hydrometeorology, vol. 22, pp. 2897–2915, https://doi.org/10.1175/JHM-D-21-0130.1, 11 2021. (EI、SCI、JCR)
9.
Mahmud K, Chen C-J*, “Space- and time-varying associations between Bangladesh's seasonal rainfall and large-scale climate oscillations,” Theoretical and Applied Climatology, vol. 145, pp. 1347–1367, 07 2021. (EI、SCI、JCR)
10.
Chen P-Y, Tung C-P, Tsao J-H, Chen C-J, “Assessing future rainfall intensity-duration-frequency characteristics across Taiwan using the k-nearest neighbor method,” Water, vol. 13, no. 11, pp. 1521, 05 2021. (EI、SCI、JCR)
11.
Tseng S-C, Chen C-J*, Senarath SUS, “Evaluation of multi-site precipitation generators across scales,” International Journal of Climatology, vol. 40, pp. 4638–4656, 08 2020. (EI、SCI、JCR)
12.
Chen C-J*, Chen C-C, Lo M-H, Juang J-Y, Chang C-M, “Central Taiwan’s hydroclimate in response to land use/cover change,” Environmental Research Letters, 02 2020. (EI、SCI、JCR)
13.
Shih D-S, Chen C-J*, Li M-H, Jang C-S, Chang C-M, Liao Y-Y, “Statistical and numerical assessments of groundwater resource subject to excessive pumping: Case study in Southwest Taiwan,” Water, 11(2), 360, 02 2019. (EI、SCI、JCR)
14.
Chen C-J*, Lee T-Y, Chang C-M, Lee J-Y, “Assessing typhoon damages to Taiwan in the recent decade: return period analysis and loss prediction,” Natural Hazards, vol. 91(2), pp. 759–783, 03 2018. (EI、SCI、JCR)
15.
Chen C-J, Lee T-Y, “Variations in the correlation between teleconnections and Taiwan’s streamflow,” Hydrology and Earth System Sciences, vol. 21, pp. 3463–3481, 07 2017. (EI、SCI、JCR)
16.
Chen C-J*, Senarath SUS, Dima-West I, Marcella MP, “Evaluation and restructuring of gridded precipitation data over the Greater Mekong Subregion,” International Journal of Climatology, vol. 37, pp. 180–196, 01 2017. (EI、SCI、JCR)
17.
Chen C-J, Georgakakos AP, “Seasonal prediction of East African Rainfall,” International Journal of Climatology, vol. 35, no. 10, pp. 2698–2723, 08 2015. (EI、SCI、JCR)
18.
Chen C-J, Georgakakos AP, “Hydro-climatic forecasting using sea surface temperatures—methodology and application for the Southeast U.S.,” Climate Dynamics, vol. 42, pp. 2955–2982, 06 2014. (EI、SCI、JCR)
● Seminar Papers 
1.
Lu Y-Y and Chen C-J , “Assessment of river morphological changes based on coupling WRF-Hydro with SRH-2D models,” Asia Oceania Geosciences Society (AOGS) 20th Annual Meeting, 08 2023. Singapore,
2.
Tsou H-E and Chen C-J , “Correcting sub-daily satellite precipitation based on GRU and TrajGRU in Taiwan,” Asia Oceania Geosciences Society (AOGS) 20th Annual Meeting, 08 2023. Singapore,
3.
Chiou Y-R and Chen C-J , “Deep learning-based multi-source soil moisture merging and downscaling in central Taiwan,” Asia Oceania Geosciences Society (AOGS) 20th Annual Meeting, 08 2023. Singapore,
4.
Wu W-F and Chen C-J , “Hybrid hydrodynamic-machine learning modeling-based flood susceptibility analysis under climate change,” Asia Oceania Geosciences Society (AOGS) 20th Annual Meeting, 08 2023. Singapore,
5.
Lu W-Y and Chen C-J , “River sediment prediction based on coupling WRF with GSSHA models,” Asia Oceania Geosciences Society (AOGS) 20th Annual Meeting, 08 2023. Singapore,
6.
Chen C-J, Chi M-H, “Combinatory impact of soil texture and land use/cover change on hydroclimate modeling over central Taiwan,” Asia Oceania Geosciences Society (AOGS) 20th Annual Meeting, 08 2023. Singapore,
7.
Chen C-J, Chi M-H, “Using numerical weather prediction and high-performance hydrologic-hydraulic models for flood forecasting ,” World Environmental and Water Resources Congress, 05 2023. Henderson, NV, USA,
8.
Chen C-J, “Modeling assessment of hydroclimate variations in response to land use/cover change: Case study in central Taiwan,” Asia Oceania Geosciences Society (AOGS) 19th Annual Meeting, 08 2022. virtual,
9.
Chen C-J, “Flood forecasting by coupling numerical weather prediction and high-performance hydrologic-hydraulic models,” Korea Water Resources Association (KWRA) conference, 05 2022. virtual,
10.
Li P-L, Chen C-J, “Assessment of WRF and IMERG precipitation over Taiwan,” Asia Oceania Geosciences Society (AOGS) 16th Annual Meeting, 07 2019. Singapore,
11.
Chen Y-C, Chen C-J, “Assessment of weather generators at fine spatiotemporal scales,” Asia Oceania Geosciences Society (AOGS) 16th Annual Meeting, 07 2019. Singapore,
12.
Yu C-Y, Chen C-J, “Flood simulation and loss estimate subject to land use/cover changes based on coupled 1D-2D analysis and neural networks,” EGU General Assembly 2019, 04 2019. Vienna, Austria,
13.
Chuang P-P, Chen C-J, “Application of data-preprocessing and -driven methods for irrigation water prediction,” EGU General Assembly 2019, 04 2019. Vienna, Austria,
14.
Chen C-J, Li P-L, “Evaluation of GPM- and model-based precipitation over Taiwan,” AGU Fall Meeting, 2019. San Francisco, CA, USA,
15.
Chen C-J, Lee T-Y, Yu C-Y, Chang C-M , “Predicting typhoon losses in Taiwan: From data-driven to detailed modeling,” AGU Fall Meeting, 12 2018. Washington, D.C., USA,
16.
Chen C-J, “Seasonal streamflow forecasting in Taiwan using derived climate variables,” 2018 International Conference on Environmental and Water Resources Engineering, 10 2018. Jeju Island, Korea,
17.
Chen C-J, Chen C-C, Chang C-M, Juang J-Y, Lo M-H, “Understanding the impact of land use/cover changes on regional climate modeling for Taiwan,” Asia Oceania Geosciences Society (AOGS) 14th Annual Meeting , 08 2017. Singapore,
18.
Tseng S-C, Chen C-J, “Intercomparison of stochastic weather generators using rainfall data in Taiwan,” Asia Oceania Geosciences Society (AOGS) 14th Annual Meeting , 08 2017. Singapore,
19.
Chen C-J, Lee T-Y, “Seasonal prediction of Taiwan’s streamflow using teleconnection patterns,” European Geosciences Union (EGU) General Assembly 2017, 04 2017. Vienna, Austria,
20.
Chen C-J, “Temporal disaggregation of seasonal forecasting for streamflow simulation,” World Environmental and Water Resources Congress 2016, 05 2016. (EI)West Palm Beach, FL, USA,
21.
Chen C-J, Jayasekera DL, Senarath SUS, “Assessing uncertainty in precipitation and hydrological modeling in the Mekong,” World Environmental and Water Resources Congress, 2015. (EI)Austin, Texas, USA,
22.
Chen C-J, Senarath SUS, “Implications of SRTM- and ASTER-based DEMs on hydrologic responses at various catchment scales,” World Environmental and Water Resources Congress, 2014. (EI)Portland, Oregon, USA,
Research Project
  2. 1. Development of High-Resolution Soil Moisture through Satellite and Model Data Merging and Downscaling
  3. 補助單位：ARDSWC
  4. 執行期間: 2024-02-01 ~ 2024-12-31
  5.  
  2. 2. Climate Smart Adaptation Algorithm–Development and Integration of Multi-Source Data and Modeling Methods
  3. 補助單位：NSTC
  4. 執行期間: 2023-08-01 ~ 2025-07-31
  5.  
  2. 3. Regional Flood Hazard Assessment Adaptable to Global Environmental Change: A Hybrid Mechanistic-Empirical Modeling Framework
  3. 補助單位：MOST
  4. 執行期間: 2020-08-01 ~ 2023-07-31
  5.  
  2. 4. Climate-Smart Adaptation Algorithm on Establishing Interdisciplinary Risk Assessment and Dynamic Adaptation Pathways
  3. 補助單位：MOST
  4. 執行期間: 2019-08-01 ~ 2022-07-31
  5.  
  2. 5. Taiwan Typhoon Catastrophe Model: Typhoon Characteristic Analysis, Loss Prediction, and Risk Assessment
  3. 補助單位：MOST
  4. 執行期間: 2018-08-01 ~ 2019-07-31
  5.  
  2. 6. Hydro-Climatic Forecasting for East and Southeast Asia—Methodology and Integrated Modeling
  3. 補助單位：MOST
  4. 執行期間: 2017-08-01 ~ 2018-10-31
  5.  
  2. 7. Interactions between Taiwan's Land-Use/Cover Change and Regional Atmospheric and Hydro-Meteorological Modeling and Large-Scale Climate Variability
  3. 補助單位：MOST
  4. 執行期間: 2016-08-01 ~ 2019-07-31
  5.  
  2. 8. Hydro-Climatic Forecasting for East and Southeast Asia—Teleconnection Patterns, Methodology, and Integrated Modeling
  3. 補助單位：MOST
  4. 執行期間: 2015-11-01 ~ 2017-07-31
  5.  
Other