Leslie Hsu

Postdoctoral Research Scientist

Integrated Earth Data Applications Research Group
Lamont-Doherty Earth Observatory, Columbia University
lhsu@ldeo.columbia.edu

Positions Held

• Postdoctoral Research Scientist (January 2011 to present)
  Integrated Earth Data Applications Research Group
  Lamont-Doherty Earth Observatory of Columbia University
• Postdoctoral Researcher (June 2010-December 2010)
  Department of Earth and Planetary Sciences
  University of California, Santa Cruz
  

Education

• University of California, Berkeley, Berkeley, CA
  Ph.D in Earth & Planetary Science (2010)
  Dissertation: Bedrock Erosion by Debris Flows
  (advisor: William E. Dietrich)
• University of Arizona, Tucson, AZ
  M.S. in Geosciences (2002)
  Thesis: Dating Quaternary Alluvial Fan Surfaces by Morphological Methods Based on Hillslope Diffusion
  (advisor: Jon D. Pelletier)
• Harvard University, Cambridge, MA
  B.A. Magna Cum Laude with Highest Honors (2000)
  Senior thesis: Atmospheric and Oceanic Distributions of Methyl Iodide (CH3I) for Global 3-D models
  (advisor: Daniel J. Jacob)
  

Peer-Reviewed Publications

11. Chen, W.-P. & Hsu L. (in press), Historic Seismicity near the Source Zone of the Great 2008 Wenchuan Earthquake: Implications for Seismic Hazards, Tectonophysics. doi:10.1016/j.tecto.2012.08.035.
12. Yohannes, B., Hsu L.; Dietrich, W.E. & Hill, K. (2012), Boundary Stresses due to Impacts from Dry Granular Flows, Journal of Geophysical Research - Earth Surface, 117, F02027, doi:10.1029/2011JF002150.
10. Schneider, D.; Kaitna, R.; Dietrich, W.; Hsu, L.; Huggel, C. & McArdell, B. (2011), Frictional behavior of granular gravel-ice mixtures in vertically rotating drum experiments and implications for rock-ice avalanches, Cold Regions Science and Technology 69(1), 70 - 90.
9. Hsu, L.; Finnegan, N. J. & Brodsky, E. E. (2011), A seismic signature of river bedload transport during storm events, Geophys. Res. Lett. 38(13), L13407. [pdf with supplement]
8. Hill, K.; Yohannes, B.; Dietrich, W. & Hsu, L. (2011), Discrete Element Modeling and Large Scale Experimental Studies of Bouldery Debris Flows, in R. Genevois; D.L. Hamilton & A. Prestininzi, ed., Proceedings of the 5th International Conference on Debris Flow Hazards Mitigation, Mechanics, Prediction and Assessment, Padua, Italy, June 14-17, 2011, Italian Journal of Engineering Geology and Environment.
7. Kaitna, R.; Hsu, L.; Rickenmann, D. & Dietrich, W. (2011), On the development of an unsaturated front of debris flows, in R. Genevois; D.L. Hamilton & A. Prestininzi, ed., Proceedings of the 5th International Conference on Debris Flow Hazards Mitigation, Mechanics, Prediction and Assessment, Padua, Italy, June 14-17, 2011, Italian Journal of Engineering Geology and Environment.
6. Hsu, L.; Kaitna, R.; Dietrich, W. & Sklar, L. (2011), Boundary shear stress of granular flows, in R. Genevois; D.L. Hamilton & A. Prestininzi, ed., Proceedings of the 5th International Conference on Debris Flow Hazards Mitigation, Mechanics, Prediction and Assessment, Padua, Italy, June 14-17, 2011, Italian Journal of Engineering Geology and Environment.
5. Hsu, L.; Dietrich, W. E. & Sklar, L. S. (2008), Experimental study of bedrock erosion by granular flows, J. Geophys. Res. 113(F2), F02001.
4. Hsu, L.; Dietrich, W. & Sklar, L. (2007), Normal stresses, longitudinal profiles, and bedrock surface erosion by debris flows: initial findings from a large, vertically rotating drum, in C. L. Chen & J.J. Major, ed., Debris-Flow Hazards Mitigation: Mechanics, Prediction, and Assessment: Proceedings 4th International DFHM Conference, Chengdu, China, September 10-13, 2007, Millpress, Amsterdam, The Netherlands.
3. Hsu, L. & Bürgmann, R. (2006), Surface creep along the Longitudinal Valley fault, Taiwan from InSAR measurements, Geophys. Res. Lett. 33(6), L06312.
2. Hsu, L. & Pelletier, J. D. (2004), Correlation and dating of Quaternary alluvial-fan surfaces using scarp diffusion, Geomorphology 60(3-4), 319 - 335.
1. Bell, N.; Hsu, L.; Jacob, D. J.; Schultz, M. G.; Blake, D. R.; Butler, J. H.; King, D. B.; Lobert, J. M. & Maier-Reimer, E. (2002), Methyl iodide: Atmospheric budget and use as a tracer of marine convection in global models, J. Geophys. Res. 107(D17), 4340.

Conference Abstracts

19. Hsu, L.; Lehnert, K.; Walker, J.; Chan, C.; Ash, J.; Johansson, A. & Rivera, T. (2011), Maximizing data holdings and data documentation with a hierarchical system for sample-based geochemical data, in Abstract IN23C-1462 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec.
18. Lehnert, K.; Klump, J.; Arko, R.; Bristol, S.; Buczkowski, B.; Chan, C.; Chan, S.; Conze, R.; Cox, S.; Habermann, T.; Hangsterfer, A.; Hsu, L.; Milan, A.; Miller, S.; Noren, A.; Richard, S.; Valentine, D.; Whitenack, T.; Wyborn, L. & Zaslavsky, I. (2011), IGSN e.V.: Registration and Identification Services for Physical Samples in the Digital Universe, in Abstract IN13B-1324 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec.
17. McArdell, B.; Hsu, L.; Fritschi, B. & Dietrich, W. (2011), Field observations of particle impacts by debris flows and debris floods on instrumented rock samples, in Abstract EP31C-0836 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec.
16. Mottl, M.; Lehnert, K.; Johansson, A. & Hsu, L. (2011), VentDB: A Global Online Synthesis Database of Seafloor Hydrothermal Spring Geochemistry, in Abstract OS11B-1474 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec.
15. Rivera, T.; Lehnert, K.; Hsu, L. & Johansson, A. (2011), Overcoming Challenges to Making Data Re-Usable: The Example of Geochemical Databases, in Abstract ED53B-0780 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec.
14. Tewoldebrhan, B.; Hsu, L.; Dietrich, W. & Hill, K. (2011), Boundary Stresses due to Impacts from Dry Granular Flows, in Abstract EP24A-04 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec.
13. Hsu, L.; Dietrich, W. & Sklar, L. (2010), The fluctuating component of basal normal force generated by debris flows, in Geological Society of America Abstracts with Programs, pp. p. 385.
12. Hsu, L.; Dietrich, W. & Sklar, L. (2009), Bedrock erosion by debris flows: experiments in a large rotating drum, in Geological Society of America Abstracts with Programs, pp. p. 610.
11. Johnson, J.; Hsu, L. & Dietrich, W. (2008), Clever Cobbles, Embedded Accelerometers: Quantifying the Internal Dynamics of Experimental Debris Flows, in American Geophysical Union, Fall Meeting 2008, abstract H42C-08.
10. Kaitna, R.; Rickenmann, D.; Hsu, L. & Dietrich, W. (2008), Comparative Investigations of the Flow Behavior of Debris Flow Mixtures in Rotating Drums of Different Size, in American Geophysical Union, Fall Meeting 2008, abstract H51F-0893.
9. Hsu, L. & Dietrich, W. (2008), Debris flow boundary stresses and bedrock erosion: large scale laboratory experiments, in American Geophysical Union, Fall Meeting 2008, abstract H42C-05.
8. Yohannes, B.; Hill, K.; Hsu, L. & Dietrich, W. (2008), Distinct Element Modeling and Large Scale Experimental Studies on Bed Stresses due to Debris Flow, in American Geophysical Union, Fall Meeting 2008, abstract H42C-06.
7. Hsu, L.; Dietrich, W.; Sklar, L. & McArdell, B. (2006), Field and laboratory observations of bedrock erosion by granular flow, in American Geophysical Union, Fall Meeting 2006, abstract H53D-0658.
6. Hsu, L. & Dietrich, W. (2005), Measurement of bedrock erosion by debris flows, in Geophysical Research Abstracts.
5. Sklar, L.; Stock, J.; Roering, J.; Kirchner, J.; Dietrich, W.; Chi, W.; Hsu, L.; Hsieh, M.; Tsao, S. & Chen, M. (2005), Evolution of fault scarp knickpoints following 1999 Chi-Chi earthquake in West-Central Taiwan, in American Geophysical Union, Fall Meeting 2005, abstract H34A-06.
4. Hsu, L. & Dietrich, W. (2004), Experimental Study of Surface Erosion by Granular Flows, in American Geophysical Union, Fall Meeting 2004, abstract H44A-02.
3. Hsu, L. & Pelletier, J. (2002), Hillslopes on Alluvial Fans: Investigating Links between Climate, Fan Deposition, and Diffusivity, in American Geophysical Union, Fall Meeting 2002, abstract H12B-0930.
2. Hsu, L. & Pelletier, J. (2001), Quantitative Matching of Landform Evolution Models With High-Resolution DEMs as a New Quaternary Surface Dating Technique, in American Geophysical Union, Fall Meeting 2001, abstract NG51A-0456.
1. Hsu, L.; Schultz, M. & Jacob, D. (1999), Methyl Iodide: Suitability as a Marine Atmospheric Tracer, in American Geophysical Union, Spring Meeting 1999, abstract A52D-04.