Dr. Roongroj Chokngamwong
Institute of Space and Earth Information Science
The Chinese University of Hong Kong
Shatin, N.T. Hong Kong
Email: roongrojc@cuhk.edu.hk

 

Education

2008

Ph.D. in Computational Sciences and Informatics George Mason University, Fairfax, Virginia, USA

2001

Master of Science in Computer Science The George Washington University, Washington, DC, USA

1998

Bachelor of Science in Electrical Engineering Thammasat University, Bangkok, Thailand

 

 

Position held

2008-Present

Postdoctoral Fellow, Institute of Space and Earth Information Science, CUHK, Hong Kong

2002-2008

 

Research Assistant and Research Associate, Center for Earth Observing and Space Research, George Mason University, Virginia, USA

2002-2007

System Administrator, Center for Earth Observing and Space Research, George Mason University, Virginia, USA

2001-2002

Software Developer, Supply Chain Intelligence Co., Ltd, North Carolina, USA

1997

Assistant Electrical Engineer, MITR Technical Consultant Co., Ltd, Bangkok, Thailand

 

 

Research Interests

- Remote Sensing/Satellite Rainfall Estimation Algorithms
- Climate and Global Changes
- Earth System and Information Science
- Earth Observing and Remote Sensing Applications
- Statistics Modeling and Data Analyses

 

Research Projects

·          NASA project “Monthly Oceanic Rain Rate from Microwave Brightness Temperature” as part of Global Precipitation Climatology Project (GPCP)

 

·          JAXA GCOM project “Oceanic Rainfall for Climate Trends and Variability based on Microwave Emission Brightness Temperature Histograms (METH)”

 

·          NASA Project “The Goddard Satellite-based Surface Turbulent Fluxes (GSSTF3) Dataset”

 

·          Social Science Panel (Hong Kong) project “High resolution multi-satellite rainfall in landslide triggering” and “Aerosol and Precipitation Interactions in the Pearl River Delta Region from Remote Sensing: Intercomparison of satellite and station observations”

 

Selected Publication

1.       Har, Tsoen Hei, L. S. Chiu and R. Chokngamwong, 2009: Trends in Tropical Rain Rate Distribution and Aerosol Interactions. (Submitted)

 

2.       Chiu, L. S., R. Chokngamwong and T. T. Wilheit, 2009: Modified Monthly Oceanic Rain Rate Algorithm to account for TRMM Boost, J. Appl. Meteor. Climatol. (Submitted)

 

3.       Chiu, L. S. and R. Chokngamwong, 2009: Microwave Emission Brightness Temperature Histograms (METH) rain rates for climate studies: SSM/I V6 results, J. Appl. Meteor. Climatol. (In press)

 

4.       Chung-Lin Shie, Long S. Chiu, Robert Adler, Eric Nelkin, I-I Lin, Pingping Xie, Feng-Chin Wang, R. Chokngamwong, William Olson, and Allen D. Chu, 2009: A Note on Reviving the Goddard Satellite-based Surface Turbulent Fluxes (GSSTF) Dataset, Adv. Atmos. Sci., 26 (6), 1071-1080.

 

5.       Chokngamwong, R. and L. S. Chiu, 2009: Development of the Microwave calibrated Infrared Split-window Technique (MIST) for rainfall estimation, Int. J. Remote Sensing, 30 (12), 3115-3131.

 

6.       Chokngamwong, R. and L. S. Chiu, 2008: Thailand Daily Rainfall and Comparison with TRMM Products, J. Hydrometeorology, 9 (2), 256-266

 

7.       Chiu, L. S.., R. Chokngamwong, Y. Xing, R. Yang, C-L Shie, 2008: Trends and Variations of Global Oceanic Evaporation Datasets from Remote Sensing, Acta Oceanologica Sinica, 27 (3), 1-12.

 

8.       Chokngamwong, R. and L. S. Chiu, 2008: Tropical Rainfall Diurnal Cycle - TRMM 3G68 Animation. (URL http://disc.sci.gsfc.nasa.gov/precipitation/additional/applications/trmm_apps/trmm_diurnal_3g68.shtml)

 

9.       Sarkar, S., R. Chokngamwong, G. Cervone, R.P. Singh, M. Kafatos, 2006: Variability of aerosol optical depth and aerosol forcing over India, Advances in Space Research, 37 (12), 2153-2159

 

Presentations and Conference Proceedings

1.       Chung-Lin Shie, L. S. Chiu, R. Adler, S. Gao, R. Chokngamwong, I-I Lin, E. Nelkin, J. Ardizzone, P. Xie, and F-C Wang, 2010: A Recently Revived and Produced Global Air-sea Surface Turbulent Fluxes Dataset -- GSSTF2b: Validations and Findings, 5th International Ocean-Atmosphere Conference (COAA),  Taipei, Taiwan, June 28-30, 2010.

 

2.       Gao, Si, R. Chokngamwong, L. S. Chiu, Chung-Lin Shie, P. Xie, R. Adler and E. Nelkin, 2009: Trends in Oceanic Evaporation retrieved from the Goddard Satellite-based Surface Turbulent Fluxes based on SSM/I v6 (GSSTF2b) Dataset, 2009 AGU Fall Meeting, San Francisco, December 14-18, 2009.

 

3.       Har, Tsoen Hei, L. S. Chiu and R. Chokngamwong, 2009: Trends in Tropical Rain Rate Distribution and Aerosol Interactions, Asian Aerosol Conference 2009, Bangkok, Thailand, November 24-27, 2009.

 

4.       Chung-Lin Shie, L. S. Chiu, R. Adler, I-I Lin, E. Nelkin, J. Ardizzone, P. Xie, F-C Wang and R. Chokngamwong, 2009: Reviving the Goddard Satellite-based Surface Turbulent Fluxes (GSSTF) Dataset: Perliminary Findings. 6th International Scientific Conference on the Global Energy and Water Cycle Experiment (GEWEX), Melbourne, Australia, August 24-28, 2009.

 

5.       Chiu, L. S. and R. Chokngamwong, 2009: Microwave Emission Brightness Temperature Histograms (METH) rain rates for climate studies: SSM/I V6 results, 6th International Scientific Conference on the Global Energy and Water Cycle Experiment (GEWEX), Melbourne, Australia, August 24-28, 2009.

 

6.       Chiu, L. S. and R. Chokngamwong, 2009: Trends in Oceanic rain rate from Microwave Emission brightness Temperature Histogram (METH), A Scientific Symposium on "Climate, Statistics, and Satellites", The Department of Atmospheric Sciences, Texas A&M University, June 8-10, 2009.

 

7.       Chokngamwong, R. and L. S. Chiu, 2008: Trends and Variation of Oceanic Rainfall Parameters Derived from V4 and V6 SSM/I Brightness Temperature Histogram, PORSEC 2008 (The Ninth Biennial Pan Ocean Remote Sensing Conference), Guangzhou, China, December 2-6, 2008.

 

8.       Chiu, L. S. and R. Chokngamwong, 2008: Microwave Calibrated Infrared Split channel Technique (MIST) for high resolution rainfall estimates, the 2008 AGU Joint Assembly, Fort Lauderdale, Florida, USA, May 27-30, 2008.

 

9.       Chokngamwong, R. and L. S. Chiu, 2008: Development of the Microwave Calibrated Infrared Split-window Technique (MIST) for Rainfall Estimation, PIERS 2008 (Progress In Electromagnetics Research Symposium), Hangzhou, China, March 24-28, 2008.

 

10.   Chokngamwong, R. and L. S. Chiu, 2007: Development of the Microwave calibrated Infrared Split-window Technique (MIST) for rainfall estimation, the Third International TRMM Science Conference, Las Vegas, Nevada, USA, February 4-8, 2008.

 

11.   Chiu, L. S., R. Chokngamwong, Chung-Lin Shie, and Yukun Xing, 2007: Trends and EOF Analyses of Oceanic Evaporation Data Sets, EOS Trans. AGU, 88(23), Jt. Assem. Suppl., Abstract A23E-06.

 

12.   Chiu, L., D. Shin and R. Chokngamwong, Effect of TRMM boost on oceanic rain rate estimates based on microwave brightness temperature histograms, The 2006 AGU Joint Assembly, Baltimore, Maryland, USA, 23-26 May, 2006.

 

13.   Chiu, L. S., D. B. Shin, Y. Xing, and R. Chokngamwong, Trends in Oceanic Rainfall Derived from Microwave Brightness Temperature Histograms, 36th COSPAR Scientific Assembly, Committee on Space Research, Beijing, China, 16-23 July 2006.

 

14.   Chokngamwong, R. and L. Chiu, 2006: Variation of Oceanic Rain Rate Parameters from SSM/I: Mode of Brightness Temperature Histogram, Conference Proceeding in American Meteorology Society, 86th AMS Annual Meeting, Atlanta, Georgia, USA, 29 January - 2 February 2006.

 

15.   Chokngamwong, R. and L. Chiu, 2006: TRMM and Thailand Daily Gauge Rainfall Comparison, American Meteorology Society, Conference Proceeding in 86th AMS Annual Meeting, Atlanta, Georgia, USA, 29 January - 2 February 2006.

 

16.   Chokngamwong, R. and L. Chiu, Variation of Vegetation and Rainfall in Thailand, AGU-2005 Fall Meeting, San Francisco, CA, USA, 5-9 December 2005.

 

17.   Chokngamwong, R., L Chiu, J. Vongsaard, Comparison of TRMM Rainfall and Daily Gauge Data in Thailand, AGU-2005 Joint Assembly, New Orleans, Louisiana, USA, 23-27 May 2005.

 

18.   Chokngamwong, R. and L. Chiu: 2004, Comparisons of Daily Thailand Rain Gauge with GPCC and TRMM Satellite Precipitation Measurements, Conference Proceeding in The 2nd TRMM International Science Conference, Tokyo, Japan, 6-10 September 2004.

 

19.   Chokngamwong, R., G. Cervone, R. P. Singh, M. Kafatos, Effect of the populated and industrial cities on the aerosol optical depth, COSPAR-2004, Committee on Space Research, Paris, France, July 18-25 2004. (solicited)

 

20.     Cervone, G., R. Chokngamwong, R. P. Singh, M. Kafatos, Variability of Aerosol Optical Depth and its Relation with Natural and Man Made Hazards, AGU-2004 Joint Assembly, Montreal, Canada, 17-21 May 2004.

 

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