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 Water and Carbon Cycles: People
Steven Tsz K Chan's Picture
Address:
Jet Propulsion Laboratory
M/S 300-233
4800 Oak Grove Drive
Pasadena, CA 91109
Phone:
818.354.7320
Fax:
818.354.9476
Email:

Steven Tsz K Chan

Education
  • B.Sc., Electrical Engineering, Portland State University, Oregon (1993)
  • M.Sc., Electrical Engineering, University of Washington, Seattle (1995)
  • Ph.D., Electrical Engineering, University of Washington, Seattle (1998)

Research Interests
  • Algorithm development for passive and active microwave remote sensing of soil moisture.
  • Statistical characterization of spatial and temporal spaceborne measurement of microwave emissivity.
  • Synergy of passive microwave observations from multiple spaceborne instruments

Professional Experience
  • NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California
    • Scientist, Water and Carbon Cycles Group (2001-present)
    • Caltech Postdoctoral Scholar, Terrestrial Science Research Element (2000-2001)
    • Caltech Postdoctoral Scholar, IFSAR Algorithms & System Analysis Group (1999-2000)
  • University of Washington, Seattle
    • Research Associate, Department of Electrical Engineering (1998-1999)

Selected Publications
  1. Konings, A. G., D. Entekhabi, S. K. Chan, E. G. Njoku (2011): Effect of Radiative Transfer Uncertainty on L-Band Radiometric Soil Moisture Retrieval, IEEE Transactions on Geoscience and Remote Sensing, accepted for publication.
  2. Colliander, A., S. Chan, S. Kim, N. Das, S. Yueh, M. Cosh, R. Bindlish, T. Jackson, and E. Njoku (2011): Long-term Analysis of PALS Soil Moisture Campaign Measurements for Global Soil Moisture Algorithm Development, Remote Sensing of Environment, submitted.
  3. Zhan, X., J. Liu, T. Holmes, W. Crow, T. Jackson, and S. Chan (2011): Why Different Passive Microwave Algorithms Give Different Soil Moisture Retrievals, Proc. 2011 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2011), July 24-29, 2010, Vancouver, Canada. Accepted.
  4. Bindlish, R., T. Jackson, T. Zhao, M. Cosh, S. Chan, P. O'Neill, E. Njoku, A. Colliander, Y. Kerr, J. C. Shi (2011): Evaluation of SMAP Level 2 Soil Moisture Algorithms Using SMOS Data, Proc. 2011 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2011), July 24-29, 2010, Vancouver, Canada. Accepted.
  5. Jones, L. A., C. R. Ferguson, J. S. Kimball, K. Zhang, S. K. Chan, K. C. McDonald, E. G. Njoku, E. F. Wood (2010): Daily Land Surface Air Temperature Retrieval From AMSR-E: Comparison with AIRS/AMSU, IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing (J-STARS), 3(1), 111-123.
  6. Chan, S. K., E. Njoku, and R. Dunbar (2010): Forward Simulation of Passive Microwave Observation for the Soil Moisture Active Passive (SMAP), Proc. 2010 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2010), July 25-30, 2010, Honolulu, Hawaii.
  7. Zhan, X., J. Liu, T. Holmes, T. Jackson, S. Chan (2010): An Analysis on the Single- and Multi-channel Soil Moisture Retrievals Algorithms for Passive Microwave Sensors, Remote Sensing and Hydrology Symposium, Sept 27-30, Jackson Hole, WY.
  8. Chan, S. K., R. Dunbar, A. Colliander, E. Njoku (2009): Algorithm Development Using the SMAP Algorithm Testbed, Proc. 2009 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2010), July 12-17, 2009, Cape Town, South Africa.
  9. Chan, S. K. and E. Njoku (2009): Retrieval Algorithm Development Based On SMEX02 Field Campaign Data For The Soil Moisture Active And Passive (SMAP) Mission, Progress in Electromagnetics Research Symposium (PIERS), March 13-17, 2009, Beijing, China.
  10. Chan, S. K., E. Njoku, A. Konings, and D. Entekhabi (2008): The SMAP Algorithm Development Testbed: A Simulation Environment For Algorithm Development And Mission Design Studies, AGU Fall Meeting, December 2008, San Francisco, California.
  11. Yueh, S., S. Dinardo, S. K. Chan, E. Njoku, T. Jackson, R. Bindlish (2008): Passive and Active L-Band System and Observations During the 2007 CLASIC Campaign, Proc. 2008 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2008), July 6-11, 2008, Boston, Massachusetts.
  12. Jin, K-W., E. Njoku, S. K. Chan (2007): Relationship between rainfall and soil moisture based on model simulations coupled with AMSR-E observations, Proc. 2007 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2007), July 23-27, 2007, Barcelona, Spain.
  13. Jin, K-W., E. Njoku, S. K. Chan (2007): Soil moisture and precipitation relationships inferred from satellite remote sensing data, European Geosciences Union General Assembly, April 15-20, 2007, Vienna, Austria.
  14. Jin, K-W., E. Njoku, S. K. Chan (2007): Evaluation of the retrieved AMSR-E soil moisture using the North American Regional Reanalysis Data, AMS Annual Meeting, Jan 14-18, 2007, San Antonio, TX.
  15. Jin, K-W., E. Njoku, S. K. Chan (2006): Spatio-Temporal Correlation between Rainfall and Soil moisture Using AMSR-E Data, AGU Fall Meeting, Dec 11-15, 2006, San Francisco, CA.
  16. Jin, K-W., E. Njoku, S. K. Chan (2006): Impact of Rainfall on the Retrieval of Soil Moisture using AMSR-E data, Proc. 2006 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2006), July 31-Aug 04, 2006, Denver, CO.
  17. Lucas, L., J. S. Kimball, K. C. McDonald, S. K. Chan, E. G. Njoku, and W. C. Oechel (2007): Satellite Microwave Remote Sensing of Boreal and Arctic Soil Temperatures from AMSR-E, IEEE Transactions on Geoscience and Remote Sensing, 45(7), 2004-2018.
  18. Njoku, E. G., S. K. Chan, Vegetation and surface roughness effects on AMSR-E land observations, Remote Sensing of Environment 100 (2): 190-199 JAN 30 2006
  19. Chan, S. K. and E. G. Njoku, Calibration Corrections for Studying Land Hydrological Climate Trends Using Passive Microwave Satellite Observations, AGU Fall Meeting, December 2005, San Francisco, CA.
  20. Crow, W., S. K. Chan, D. Entekhabi, A. Hsu, T. Jackson, E. Njoku, P. O'Neill, and J. Shi An observing system simulation experiment for hydros radiometer-only soil moisture and freeze-thaw products, IEEE Geoscience and Remote Sensing Symposium (IGARSS 2005), July 25-29, 2005, Seoul, Korea.
  21. Njoku, E., P. Ashcroft, T. Chan, and L. Li (2005): Global Survey and Statistics of Radio-Frequency Interference in AMSR-E Land Observations, IEEE Transactions on Geoscience and Remote Sensing, 43(5), 938-947.
  22. Crow, W., S. T. K. Chan, D. Entekhabi, P. Houser, A. Hsu, T. Jackson, E. Njoku, P. O'Neill, J. Shi, and X. Zhan (2005): An observing system simulation experiment for hydros radiometer-only soil moisture products, IEEE Transactions on Geoscience and Remote Sensing, 43(6), 1289-1303.
  23. Njoku, E., T. Chan, W. Crosson, and A. Limaye (2004): Evaluation of the AMSR-E data calibration over land, Italian Journal of Remote Sensing, 30(31), 19-37.
  24. Njoku, E., T. Jackson, V. Lakshmi, T. Chan, and S. V. Nghiem (2003): Soil Moisture Retrieval from AMSR-E, IEEE Transactions on Geoscience and Remote Sensing, 41(2), 215-229.
  25. Khalsa, S., E. Njoku, T. Chan (2004): Passive microwave retrievals of soil moisture over the Tibetan Plateau, SPIE 4th International Symposium on Remote Sensing of the Atmosphere, Ocean, Environment, and Space, 8-12 November, 2004, Honolulu, HI.
  26. O'Neill, P., E. Njoku, T. Chan, W. Crow, A. Hsu, and J. Shi (2004): Comparison of Soil Moisture Retrieval Algorithms Using Simulated HYDROS Brightness Temperatures, Proc. 2004 IEEE Geoscience and Remote Sensing Symposium (IGARSS 2004), September 20-24, 2004, Anchorage, AK.
  27. Chan, T. and E. Njoku (2003): Algorithm refinement for Aqua/AMSR-E soil moisture retrieval, AGU Fall Meeting, December 2003, San Francisco, CA.
  28. Njoku, E., T. Chan, W. Crow, D. Entekhabi, P. Houser, A. Hsu, T. Jackson, P. O'Neill, J. Shi, and X. Zhan (2003): An observing system simulation experiment for HYDROS soil moisture retrievals, AGU Fall Meeting, December 2003, San Francisco, CA.
  29. Njoku, E., T. Chan, L. Li, S. Nghiem, T. Jackson, and V. Lakshmi (2003): Aqua AMSR-E observations of land surface moisture variability, Proc. 2003 IEEE Geoscience and Remote Sensing Symposium (IGARSS 2003), July 21-25, 2003, Toulouse, France.
  30. Njoku, E., T. Chan, and S. Nghiem (2002): Use of Aqua/AMSR-E and synergistic microwave data to study soil moisture variability from space, AGU Fall Meeting, December 2002, San Francisco, CA.
  31. Nghiem, S., E. Njoku, J. van Zyl, Y. Kim, G. Neumann, and T. Chan (2002): Large-scale remote sensing of soil moisture using active and passive satellite data, Proc. 2002 IEEE Geoscience and Remote Sensing Symposium (IGARSS 2002), July 24-28, 2002, Toronto, Canada.
  32. E. Njoku and T. Chan (2001): Land parameter estimation using satellite microwave radiometry: Retrieval issues, AGU Spring Meeting, 2001.
  33. Njoku, E. G., L. Li, and T. Chan (2000): Retrieving soil moisture from spaceborne passive microwave data, Proc. 2000 IEEE Geoscience and Remote Sensing Symposium (IGARSS 2000), July 24-28, 2000, Honolulu, HI.
  34. Chan, T. K., Y. Kuga, and A. Ishimaru, Experimental studies on circular SAR imaging in clutter using angular correlation function technique, IEEE Transactions on Geoscience and Remote Sensing 37 (5): 2192-2197 Part 1, SEP 1999
  35. Ishimaru, A., T. K. Chan, and Y. Kuga, An imaging technique using confocal circular synthetic aperture radar, IEEE Transactions on Geoscience and Remote Sensing 36 (5): 1524-1530 Part 1, SEP 1998
  36. Chan, T. K., Y. Kuga,and A. Ishimaru, Subsurface detection of a buried object using angular correlation function measurement, Waves In Random Media 7 (3): 457-465 JUL 1997
  37. Chan, T. K., Y. Kuga, and A. Ishimaru, Title: Angular memory effect of millimeter-wave scattering from two-dimensional conducting random rough surfaces, Radio Science 31 (5): 1067-1076 SEP-Oct 1996
  38. Ishimaru, A., C. Le, Y. Kuga, L. A. Sengers, and T. K. Chan, Polarimetric scattering theory for high slope rough surface - Summary, Journal of Electromagnetic Waves and Applications 10 (4): 489-491 1996

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