CURRENT RESEARCH & TEACHING INTERESTS

• Hydropedology: Fundamental studies of interactive pedologic and hydrologic processes and their properties in the Earth’s Critical Zone, with a focus on pedosphere as a critical link in the hydrologic cycle and hydrology as a major driving force of soil formation and dynamic functions; Quantification of soil structure and its impacts on preferential flow across spatial and temporal scales; Quantitative soil morphology and classification for hydrologic applications; Mapping, monitoring, and modeling of landscape-soil-hydrology relationships; Enhanced instrumentation and techniques for in situ measurements and mapping of flow and transport pathways and patterns in heterogeneous landscapes; Coupling hydropedological and biogeochemical processes towards integrated studies of the Earth’s Critical Zone; Extraterrestrial hydropedology including Mars and Moon explorations.
• OASIS: Research and development of Online Advanced Spatial Information Systems (OASIS) for integrating geospatial technologies (GIS, GPS, RS) with environmental modeling, spatial-temporal statistics, and artificial intelligence for landscape-soil-hydrology studies; Scientific visualization of heterogeneous and dynamic world underfoot; Decision support systems coupled with real-time monitoring, integrated digital databases, and uncertainty quantification.

Education:

• Ph.D., Soil Science (Soil Physics and Pedology), Texas A&M University, College Station, TX.
• M.S., Soil Science Soil Science (Pedology and Soil Geography), Nanjing Institute of Soil Science, The Chinese Academy of Sciences, Nanjing, China.
• B.A., Soil Science & Agrochemistry (with Honors), Fujian Agricultural University, Fuzhou, China.

Professional Background:

• 2006–Present: Associate Professor of Hydropedology/Soil Hydrology. Department of Crop and Soil Sciences, The Pennsylvania State Univ., University Park, PA.
• 2001–2006: Assistant Professor of Hydropedology/Soil Hydrology. Department of Crop and Soil Sciences, The Pennsylvania State Univ., University Park, PA.
• 1998–2001: Assistant Professor of Soils and GIS, Director of Advanced Computing/GIS Laboratory. College of Natural Resources, Univ. of Wisconsin, Stevens Point, WI.
• 1996–1998: Research Assistant Professor of Geoenvironmental Science and Engineering. Center for Environ. Eng. & Sci. Tech., Dept. of Civil & Environ. Eng., Univ. of Massachusetts, Lowell, MA.
• 1995–1996: Postdoctoral Research Associate of Soil Physics and GIS. Dept. of Crop, Soil, and Environmental Sciences, Univ. of Arkansas, Fayetteville, AR.
• 1990–1994: Graduate Research Assistant of Soil Physics and Pedology, Texas A&M University, College Station, TX.
• 1988–1990: Research Associate of Pedology and Soil Geography. Nanjing Institute of Soil Science, The Chinese Academy of Sciences, Nanjing, China.
• 1985–1988: Graduate Research Assistant of Pedology and Soil Geography. Nanjing Institute of Soil Science, The Chinese Academy of Sciences, Nanjing, China.

Selected Publications:

1. Lin, H.S. 2009. Earth’s Critical Zone and Hydropedology: Concepts, Characteristics, and Advances. Hydrology and Earth System Science Dis. 6:3417–3481.
2. Lin, H.S. 2009. Comments on Energy-based Pedogenic Models by Field and Minasny (2008) and Rasmussen (2008). Soil Science Society of America Journal. (In press)
3. Zhu, Q., and H.S. Lin. 2009. Simulation and validation of concentrated subsurface lateral flow paths in an agricultural landscape. Hydrology and Earth System Science 13:1503–1518.
4. Li, X.Y., Z.P. Yang, Y.T. Li, and H.S. Lin. 2009. Connecting ecohydrology and hydropedology in desert shrubs: Stemflow as a source of preferential water flow in soils. Hydrology and Earth System Science 13:1133–1144.
5. Kang, S.J., and H.S. Lin. 2009. Soil-Landscape Patterns in Buffer Zones of Different Order Streams. Geoderma 151:233–240.
6. Luo, L.F., and H.S. Lin. 2009. Lacunarity and Fractal Analyses of Soil Macropores and Preferential Transport Using Micro X-ray Computed Tomography. Vadose Zone Journal. 8:233–241.
7. Kang, S.J., and H.S. Lin. 2009. Soil-Landscape Patterns in Buffer Zones of Different Order Streams. Submitted to Geoderma (in press)
8. Lin, H.S., and X.B. Zhou. 2008. Evidence of Subsurface Preferential Flow Using Soil Hydrologic Monitoring in the Shale Hills Catchment. European J. of Soil Science 59:34–49.
9. Lin, H.S. 2008. Opportunities and Challenges for Interdisciplinary Research and Education. Journal of Natural Resources and Life Sciences Education 37:83–91.
10. Luo, L.F., H.S. Lin, and P. Halleck. 2008. Quantifying Soil Structure and Preferential Flow in Intact Soil Using X-ray Computed Tomography. Soil Science Society of America Journal. 72:1058–1069.
11. Kang, S.J., H.S. Lin, W.J. Gburek, G.J. Folmar, and B. Lowery. 2008. Baseflow Nitrate in Relation to Stream Order and Agricultural Land Use. Journal of Environmental Quality 37:808–816.
12. Zhou, X.B., H.S. Lin, and E. White. 2008. Surface Soil Hydraulic Properties in Four Soil Series under Different Land Uses and Their Temporal Changes. Catena 73:180–188.
13. Walker, C., and H.S. Lin. 2008. Soil Property Changes after Four Decades of Wastewater Irrigation: A Landscape Perspective. Catena 73:63–74.
14. Lin, H.S., J. Bouma, P. Owens, and M. Vepraskas. 2008. Hydropedology: Fundamental Issues and Practical Applications. Catena 73:151–152.
15. Schmidt, J.P., and H.S. Lin. 2008. Water and bromide movement in conventionally tilled and no-tilled corn: Contrasting results from pan and wick lysimeters. Communication in Soil Science and Plant Analysis 39:108–123.
16. Lin, H.S., E. Brooks, P. McDaniel, and J. Boll. 2008. Hydropedology and Surface/Subsurface Runoff Processes. In M. G. Anderson (Editor-in-Chief) Encyclopedia of Hydrologic Sciences. John Wiley & Sons, Ltd. DOI: 10.1002/0470848944.hsa306.
17. Gangodagamage, C., X. Zhou, and H.S. Lin. 2008. Spatial Autocorrelation. In Shekhar and Xiong (Editors-in-Chief) Encyclopedia of GIS. Part 4. pp. 32-37. Springer. DOI 10.1007/978-0-387-35973-1_83.
18. Zhou, X., and H.S. Lin. 2008. Sensitivity Analysis. In Shekhar and Xiong (Editors-in-Chief) Encyclopedia of GIS. Part 22. pp. 1046-1048. Springer. DOI 10.1007/978-0-387-35973-1_1191.
19. Lin, H.S., K. Singha, D. Chittleborough, H.-J. Vogel, and S. Mooney. 2008. Advancing the Emerging Field of Hydropedology, Eos Trans. AGU, 89(48), 490, doi:10.1029/2008EO480009.
20. Lin, H.S., K. Singha, D. Chittleborough, H-J. Vogel, and S. Mooney. 2008. Inaugural International Conference on Hydropedology Offers Outlooks on Synergistic Studies of Multi-Scale Soil and Water Processes. IUSS Bulletin 113:51–54.
21. Young, M. H., H.S Lin, and B. P. Wilcox. 2007. Introduction to special section on Bridging Hydrology, Soil Science, and Ecology: Hydropedology and Ecohydrology. Geophysical Research Letter 34, L24S20, doi:10.1029/2007GL031998.
22. Kang, S.J., and H.S. Lin. 2007. Detecting temporal patterns of hydrological processes and water quality using wavelet analysis. Journal of Hydrology 338:1–14.
23. Schmidt, J. P. N. Hong, A. Dellinger, D. B. Beegle, and H.S. Lin. 2007. Hillslope-scale variability in corn response to nitrogen linked to in-season soil moisture redistribution. Agronomy Journal 99:229–237.
24. Zhou, X., H.S. Lin, and Q. Zhu. 2007. Temporal stability of soil moisture spatial variability at two scales and its implication for optimal field monitoring. Hydrol. Earth Syst. Sci. Discuss. 4:1185–1214.
25. Schmidt, J. P. N. Hong, G. Folmar, D. B. Beegle, and H.S. Lin. 2007. Optimum nitrogen rate for corn increases with greater soil water availability. Chapter 4. p. 4-1 – 4-10. In T. Bruulsema (ed.) Managing Crop Nitrogen for Weather. International Plant Nutrient Institute, Norcross, GA.
26. Lin, H.S. 2007. Cattle vs. ground beef: What is the difference? Soil Survey Horizons 48:9–10.
27. Lin, H.S. 2007. When it rains. Soil Survey Horizons 48:47.
28. Lin, H.S., J. Bouma, and Y. Pachepsky (Eds.) 2006. Hydropedology: Bridging disciplines, scales, and data. Geoderma 131:255–406.
29. Lin, H.S., J. Bouma, Y. Pachepsky, A. Western, J. Thompson, M. Th. van Genuchten, H. Vogel, and A. Lilly. 2006. Hydropedology: Synergistic integration of pedology and hydrology. Water Resource Research. 42, W05301, doi:10.1029/2005WR004085.
30. Reed, P., R. Brooks, K. Davis, D. DeWalle, K. Dressler, C. Duffy, H.S. Lin, D. Miller, R. Najjar, K. M. Salvage, T. Wagener, and B. Yarnal. 2006. Bridging River Basin Scales and Processes to Assess Human-Climate Impacts and the Terrestrial Hydrologic System. Water Resource Research 42, W07418, doi:10.1029/2005WR004153.
31. Lin, H.S. 2006. Temporal stability of soil moisture spatial pattern and subsurface preferential flow pathways in the Shale Hills Catchment. Vadose Zone Journal 5:317–340.
32. Lin, H.S., W. Kogelmann, C. Walker, and M.A. Bruns. 2006. Soil moisture patterns in a forested catchment: A hydropedological perspective. Geoderma 131:345–368.
33. Wilding, L.P., and H.S. Lin. 2006. Advancing the frontiers of soil science towards a geoscience. Geoderma 131:257–274.
34. Pachepsky, Y. A., W. J. Rawls, and H.S. Lin. 2006. Hydropedology and pedotransfer functions. Geoderma 131:308–316.
35. Lin, H.S., J. Bouma, and Y. Pachepsky. 2006. Revitalizing pedology through hydrology and connecting hydrology to pedology. Geoderma 131:255–256.
36. Gibson, J., H.S. Lin, and M.A. Bruns. 2006. A comparison of fractal analytical techniques on 2- and 3-dimensional computed tomographic scans of soil aggregates. Geoderma 134:335–348
37. Walker, C., H.S. Lin, and D. Fritton. 2006. Is the tension beneath a tension infiltrometer what we think it is? Vadose Zone Journal 5:860–866.
38. Shi, X.Z., D.S. Yu, E.D. Warner, W.X. Sun, G.W. Petersen, Z.T. Gong, and H.S. Lin. 2006. Cross-reference system for translating between Genetic Soil Classification of China and Soil Taxonomy. Soil Science Society of America Journal 70:78–83.
39. Kogelmann, W.J., R.B. Bryant, H.S. Lin, D.B. Beegle, and J. Weld. 2006. Local assessment of the impacts of P-Index implementation in Pennsylvania. Journal of Soil and Water Conservation 61:20–30.
40. Zhou, X., N. Persaud, H. Wang, and H.S. Lin. 2006. Multifractal scaling of daily runoff time series in agricultural watersheds. Journal of American Water Resources Association (JAWRA) 42(6):1659–1670.
41. Lin, H.S. 2006. Clarifying misperceptions and sharpening contributions. p. 80-83. In A.E. Hartemink(ed.) The Future of Soil Science. International Union of Soil Sciences, Wageningen, The Netherlands.
42. Lin, H.S. 2006. Book Review: Surface and Ground Water, Weathering, and Soils. J.I. Drever (Ed.). Treatise on Geochemistry. Vol. 5. Elsevier. 626 pp. Hardbound. ISBN 0080437516. Journal of Environmental Quality DOI: 10.2134/jeq2006.0618. 35:1967–1968.
43. Lin, H.S. 2006. Hydropedology and modern soil survey applications. Soil Survey Horizons 47:18–22.
44. Lin, H.S. 2005. Letter to the Editor on “From the Earth’s Critical Zone to Mars Exploration: Can Soil Science Enter Its Golden Age?” Soil Science Society of America Journal 69:1351–1353.
45. Lin, H.S., J. Bouma, L. Wilding, J. Richardson, M. Kutílek, and D. Nielsen. 2005. Advances in hydropedology. Advances in Agronomy 85:1–89.
46. Lin, H.S., D. Wheeler, J. Bell, and L. Wilding. 2005. Assessment of soil spatial variability at multiple scales. Ecological Modelling 182:271–290.
47. Kogelmann, W.J., H.S. Lin, R.B. Bryant, D.B. Beegle, A.M. Wolf, and G.W. Petersen. 2004. A statewide assessment of the impacts of P-index implementation in Pennsylvania. Journal of Soil and Water Conservation 59:9–18.
48. Lilly, A., and Lin, H.S. 2004. Using soil morphological attributes and soil structure in pedotransfer functions. p. 115–142. In Y. Pachepsky and W. Rawls (eds.) Development of Pedotransfer Functions in Soil Hydrology. Elsevier.
49. Lin, H.S. 2004. Hydropedology. Geotimes 49:28–29.
50. Lin, H.S., and S. Rathbun. 2003. Hierarchical frameworks for multiscale bridging in hydropedology. p. 353–371. In Y. Pachepsky, D. Radcliffe, and H.M. Selim (eds.) Scaling Methods in Soil Physics. CRC Press, Boca Raton, FL.
51. Lin, H. S. 2003. Hydropedology: Bridging disciplines, scales, and data. Vadose Zone Journal 2:1–11.