Cheinway Hwang

Professor of Geodesy
Department of Civil Engineering
National Chiao Tung University, Hsinchu

Fields of interest

  • Gravity field modeling
  • Satellite geodesy Physical Geodesy, geoid determination, height systems, potential theory

Recent publications

C. Hwang, T.P. Tseng, T.J. Lin, D. Švehla, U. Hugentobler and B.F. Chao:
Quality assessment of FORMOSAT-3/COSMIC and GRACE GPS observables: analysis of multipath, ionospheric delay and phase residual in orbit determination,  
GPS Solutions, 14, 121-131 (2010).

C. Hwang, R. Kao, C.C. Cheng, J.F. Huang, C.W. Lee  and T. Sato:
Results from parallel superconducting and absolute gravimetric observations and GPS at the Hsinchu (HS) station of GGP, Taiwan,
Journal of Geophysical Research (solid earth), 114, B07406, doi:10.1029/2008JB006195 (2009).

C. Hwang, T.P. Tseng, T.L. Lin, D. Svehla and B. Schreiner:
Precise orbit determination for FORMOSAT-3/COSMIC,
Journal of Geodesy, 83, 477-489 (2009).

C. Hwang, H.C. Shih, J.Y. Guo and Y.S. Hsiao:
Zonal and meridional ocean currents at TOPEX/Poseidon and JASON-1 crossovers around Taiwan: error analysis and limitation,
Terrestrial, Atmospheric and Oceanic Sciences, 19, 151-162 (2008).
C. Hwang, W.C. Hung, and C.H. Liu:
Results of geodetic and geotechnical monitoring of subsidence for Taiwan High Speed Rail operation,
Natural Hazards, 47, 1-16 (2008).

C. Hwang, T.J. Lin, T.P. Tseng and B.F. Chao:
Modeling orbit dynamics of FORMOSAT-3/COSMIC satellites for recovery of temporal gravity,
IEEE Transactions on Geosciences and Remote Sensing, 46, 3412-3423 (2008).

C. Hwang, Y.S. Hsiao, H.C. Shih, M. Yang, K.H. Chen, R. Forsberg and A. V. Olesen:
Geodetic and geophysical results from a Taiwan airborne gravity survey: Data reduction and accuracy assessment,
Journal of Geophysical Research (solid earth), 112, B04407, doi:10.1029/2005JB004220 (2007).

C. Hwang, Y.S. Hsiao and H.C. Shih:
Data reduction for scalar airborne gravimetry: theory, computer package and a case study in Taiwan,
Computers and Geosciences, 32, 1573-1584 (2006).

C. Hwang, J. Guo, X. Deng, H.Y. Hsu and Y. Liu:
Coastal gravity anomaly from retracked Geosat/GM altimetry: improvement, limitation and the role of airborne gravity data,
Journal of Geodesy, 80, 204-216 (2006). 

C. Hwang, M.F. Peng, J.S. Ning, J. Luo and C.H. Sui:
Lake level variations in China from TOPEX/Poseidon altimetry: data quality assessment and links to precipitation and ENSO,
Geophysical Journal International, 161, 1-11 (2005).