Conference Presentations and Invited Seminars

109. Qi, T. and X. Chu. 2024. Incorporating spatial variabilities of land use and soil properties in depression-controlled watershed-scale hydrologic modeling. ASCE 2024 World Environmental and Water Resources Congress, May 19-22, 2024, Milwaukee, WI.

108. Qi, T., M. M. Khanaum, K. D. Boutin, M. L. Otte, and X. Chu. 2024. Evaluation of the Impacts of Wetlands on Hydrologic Processes and Nutrient Loading Based on Wetland Delineation and Restoration. 2024 North Dakota Water Quality Monitoring Conference, March 11-13, 2024, Bismarck, ND.

107. Khanaum, M. M., T. Qi, K. D. Boutin, M. L. Otte, and X. Chu. 2024. Wetland Delineation, Parameterization, and Restoration for Improving Hydrologic and Water Quality Modeling. 2024 North Dakota Water Quality Monitoring Conference, March 11-13, 2024, Bismarck, ND.

106. Samadi-Koucheksaraee, A. and X. Chu. 2024. Development and Comparative Evaluation of data learning Models for Predicting Rainfall-Runoff Using Boruta-Extreme Gradient Boosting. 2024 North Dakota Water Quality Monitoring Conference, March 11-13, 2024, Bismarck, ND.

105. Qi, T., M. M. Khanaum, K. D. Boutin, M. L. Otte, and X. Chu. 2023. Evaluation of the Impacts of Wetlands on Watershed Hydrologic Processes Based on a Wetland Network Concept and a Surface Delineation Algorithm. ASCE 2023 World Environmental and Water Resources Congress, May 21-24, 2023, Henderson, NV.

104. Khanaum, M. M., T. Qi, K. D. Boutin, M. L. Otte, and X. Chu. 2023. Assessing the Impact of Wetland Location on Discharge and Nutrient Attenuation of a Watershed. ASCE 2023 World Environmental and Water Resources Congress, May 21-24, 2023, Henderson, NV.

103. Qi, T., M. M. Khanaum, K. D. Boutin, M. L. Otte, and X. Chu. 2023. A Joint Modeling Framework for Simulating Hydrologic Processes in a Wetland-influenced Watershed. ND EPSCoR 2023 State Conference, March 29, 2023, Fargo, ND.

102. Khanaum, M. M., T. Qi, K. D. Boutin, M. L. Otte, and X. Chu. 2023. SWAT Modeling: Influences of Land Use and Land Cover on Streamflow and Water Quality. ND EPSCoR 2023 State Conference, March 29, 2023, Fargo, ND.

101. Bazrkar, M. H. and X. Chu. 2022. Application of a Window-based Change Point Detection Technique to Remove Non-stationarity in Drought Prediction. ASCE 2022 World Environmental and Water Resources Congress, June 5-8, 2022, Atlanta, GA.

100. Khanaum, M. M., T. Qi, K. D. Boutin, M. L. Otte, and X. Chu. 2022. Preliminary Evaluation of the Impacts of Constructed Wetlands on Hydrologic Processes and Nutrient Reduction in an Impaired Watershed. 2022 North Dakota Water Quality Monitoring Conference, March 21-23, Bismarck, ND.

99. Boutin, K. D., M. M. Khanaum, T. Qi, X. Chu, and M. L. Otte. 2022. How Many Wetlands Does It Take to Clean a Lake? Defining a Requisite Area of Treatment Wetlands via Predictive Models. 2022 North Dakota Water Quality Monitoring Conference, March 21-23, Bismarck, ND.

98. Bazrkar, M. H. and X. Chu. 2021. Category-based Scoring Support Vector Regression (CBS-SVR) to Overcome Mis-categorization in Drought Prediction. AGU Fall Meeting, December 13-17, 2021, New Orleans, LA.

97. Chu, X., X. Jia, N. Wang, M. H. Bazrkar, L. Zeng, and D. Roy. 2021. Modeling of Infiltration and Unsaturated Flow under Cold Climate Conditions. ASCE 2021 World Environmental and Water Resources Congress, Virtual Online, June 7-11, 2021.

96. Bazrkar, M. H. and X. Chu. 2021. How Non-Stationarity in a Changing Climate Impacts Drought Prediction? UCOWR/NIWR Annual Water Resources Conference, June 8-10, 2021, Greenville, SC.

95. Bazrkar, M. H. and X. Chu. 2021. Drought Identification, Categorization, and Prediction (DIC-Predict). ND EPSCoR 2021 State Conference, Virtual, April 14, 2021.

94. Bazrkar, M. H., G. Gust, and X. Chu. 2021. Characterization of Flash Droughts in Cold Climate Regions. American Association of Geographers (AAG) Annual Meeting 2021, Virtual, April 7-11, 2021.

93. Wang, N. and X. Chu. 2020. The Roles of Depressions in Hydrologic Processes of the Devils Lake Watershed. 37th Red River Land & Water International Summit Conference, Red River Basin Commission, January 14-16, 2020, Fargo, ND.

92. Bazrkar, M. H., M. Tahmasebi Nasab, L. Zeng, K. Grimm, N. Wang, and X. Chu. 2020. Macro-scale Grid-based Hydrologic Modeling and Drought Identification in the Red River of the North Basin. 37th Red River Land & Water International Summit Conference, Red River Basin Commission, January 14-16, 2020, Fargo, ND.

91. Chu, X. 2019. The Puzzle of Topographic Depressions: A Decade-long Effort to Put the Pieces Together. AGU Fall Meeting, December 9-13, 2019, San Francisco, CA.

90. Tahmasebi Nasab, M. and X. Chu. 2019. Macro-scale Hydrologic Modeling for Depression-Dominated Cold Climate Regions. AGU Fall Meeting, December 9-13, 2019, San Francisco, CA.

89. Wang, N. and X. Chu. 2019. Spatial Distribution of Depressions and Their Retention Capability at a Watershed Scale. AGU Fall Meeting, December 9-13, 2019, San Francisco, CA.

88. Zeng, L. and X. Chu. 2019. Modeling of Dynamics of Runoff Contributing Areas in Depression-dominated Areas. AGU Fall Meeting, December 9-13, 2019, San Francisco, CA.

87. Bazrkar, M. H. and X. Chu. 2019. Application of Joint Probability Distribution Function to Customize Drought Categorization based on Spatial and Temporal Distributions of Drought. AGU Fall Meeting, December 9-13, 2019, San Francisco, CA.

86. Chu, X., X. Jia, M. H. Bazrkar, and L. Zeng. 2019. Modeling of Soil Water Drainage and Redistribution during Dry Time Periods. ASCE 2019 World Environmental and Water Resources Congress, May 19-23, 2019, Pittsburgh, PA.

85. Tahmasebi Nasab, M. and X. Chu. 2019. Developing Macro-HyProS: A Macro-scale Hydrologic Processes Simulator. ASCE 2019 World Environmental and Water Resources Congress, May 19-23, 2019, Pittsburgh, PA.

84. Fu, X., X. Chu, and Y. Xu. 2019. Analyzing the Impacts of Climate Change on Hydro-Environmental Conflict-Resolution Management. EGU General Assembly, April 7-12, 2019, Vienna, Austria.

83. Tahmasebi Nasab, M. and X. Chu. 2019. Impacts of Sub-daily Temperature Fluctuations on Macro-scale Snowmelt Simulations in the Missouri River Basin. ND EPSCoR 2019 State Conference, March 27, 2019, Fargo, ND.

82. Wang, N. and X. Chu. 2019. A New Daily Semi-distributed Hydrologic Model for Depression Dominated Areas. ND EPSCoR 2019 State Conference, March 27, 2019, Fargo, ND.

81. Zeng, L. and X. Chu. 2019. Development of a Puddle-Based Unit Oriented SWAT (SWAT-PBU) Model for Simulating Depression-Dominated Rainfall-Runoff Processes. ND EPSCoR 2019 State Conference, March 27, 2019, Fargo, ND.

80. Bazrkar, M. H. and X. Chu. 2019. Hydroclimatic Aggregate Drought Index for Identification of Droughts in Cold Climate Regions. ND EPSCoR 2019 State Conference, March 27, 2019, Fargo, ND.

79. Tahmasebi Nasab, M. and X. Chu. 2019. A New Macro-scale Hydrologic Model for Depression-dominated Cold Climate Regions. 111th Annual Meeting, North Dakota Academy of Science, March 8, 2019, Grand Forks, ND.

78. Chu, X. and Z. Lin. 2018. Water Quantity and Quality Issues in Western North Dakota: Overview and Two Case Studies. Water Resources of the US Great Plains Region: Status and Future, October 24-26, 2018, Lincoln, NE.

77. Chu, X., Z. Lin, M. Tahmasebi Nasab, L. Zeng, K. Grimm, M. H. Bazrkar, X. Liu, and N. Wang. 2018. Joint Grid-based and Subbasin-based Hydrologic Modeling and Application. ASCE 2018 World Environmental and Water Resources Congress, June 3-7, 2018, Minneapolis, MN.

76. Tahmasebi Nasab, M. and X. Chu. 2018. Topo-statistical analyses of ponding area versus ponding storage of depression-dominated regions for macro-scale hydrologic modeling. ASCE 2018 World Environmental and Water Resources Congress, June 3-7, 2018, Minneapolis, MN.

75. Grimm, K. and X. Chu. 2018. Depressional Threshold Control Proxy to Simulate Dynamic Hydrologic Connectivity in Depression-dominated Areas. ASCE 2018 World Environmental and Water Resources Congress, June 3-7, 2018, Minneapolis, MN.

74. Wang, N. and X. Chu. 2018. A New Model for Rainfall-runoff Simulation in Depression Dominated Areas. ASCE 2018 World Environmental and Water Resources Congress, June 3-7, 2018, Minneapolis, MN.

73. Bazrkar, M. H., M. Tahmasebi Nasab, L. Zeng, K. Grimm, N. Wang, and X. Chu. 2018. Drought Identification in Cold Climate Regions: How Can Macro-scale Hydrologic Models Assist Drought Analysis? 16th Annual Climate Prediction Applications Science Workshop, May 22-24, 2018, Fargo, ND.

72. Grimm, K. and X. Chu. 2018. SWAT Modeling to Evaluate the Impacts of Geographically-isolated Wetlands on Hydrologic Processes. ND EPSCoR/IDeA 2018 State Conference, April 17, 2018, Grand Forks, ND.

71. Tahmasebi Nasab, M., L. Zeng, K. Grimm, M. H. Bazrkar, N. Wang, X. Liu, Z. Lin, X. Zhang, H. Zheng, and X. Chu. 2018. Joint Modeling and Cross-calibration of Different Scale Hydrologic Models. ND EPSCoR/IDeA 2018 State Conference, April 17, 2018, Grand Forks, ND.

70. Wang, N. and X. Chu. 2018. A Novel Modeling Framework for Simulating Dynamic Water Release from Depressions. ND EPSCoR/IDeA 2018 State Conference, April 17, 2018, Grand Forks, ND.

69. Bazrkar, M. H. and X. Chu. 2018. Application of Macro-scale Hydrologic Model for Drought Identification in Cold Climate Regions. ND EPSCoR/IDeA 2018 State Conference, April 17, 2018, Grand Forks, ND.

68. Zeng, L. and X. Chu. 2018. A Modified Soil and Water Assessment Tool (SWAT) for Hydrologic Modeling in Depression-dominated Areas. ND EPSCoR/IDeA 2018 State Conference, April 17, 2018, Grand Forks, ND.

67. Tahmasebi Nasab, M., K. Grimm, M. H. Bazrkar, and X. Chu. 2018. Hydrologic and Water Quality Modeling in Depression-Dominated Basins. ND Water Quality Monitoring Conference, March 6-8, 2018, Bismarck, ND.

66. Chu, X., M. Tahmasebi Nasab, N. Wang, and N. Habtezion. 2017. Scale Analysis for DEM-based Delineation and Modeling of Prairie Wetlands. ASCE 2017 World Environmental and Water Resources Congress, May 21-25, 2017, Sacramento, CA.

65. Tahmasebi Nasab. M. and X. Chu. 2017. Depressions as Gatekeepers: How Do Depressions Control Hydrologic Modeling? ASCE 2017 World Environmental and Water Resources Congress, May 21-25, 2017, Sacramento, CA.

64. Tahmasebi Nasab. M., K. Grimm, N. Wang, and X. Chu. 2017. Hydrologic Monitoring and Modeling for Quantifying Prairie Pothole Dynamics. ASCE 2017 World Environmental and Water Resources Congress, May 21-25, 2017, Sacramento, CA.

63. Tahmasebi Nasab. M., K. Grimm, N. Wang, and X. Chu. 2017. Scale Analysis for Depression-Dominated areas: How Does Threshold Resolution Represent a Surface? ASCE 2017 World Environmental and Water Resources Congress, May 21-25, 2017, Sacramento, CA.

62. Grimm, K. and X. Chu. 2017. Modeling of Spatio-temporal Variations in Hydrologic Connectivity and Contributing Areas. ND EPSCoR/IDeA 2017 State Conference, April 12, 2017, Fargo, ND.

61. Tahmasebi Nasab, M. and X. Chu. 2017. A New Physical-Based Gridded Model for Macro-Scale Hydrologic Modeling. ND EPSCoR/IDeA 2017 State Conference, April 12, 2017, Fargo, ND.

60. Wang, N. and X. Chu. 2017. A New Model for Simulating Hydrologic Processes under Influence of Depressions. ND EPSCoR/IDeA 2017 State Conference, April 12, 2017, Fargo, ND.

59. Chu, X., J. Zhang, and M. Tahmasebi Nasab. 2017. A New Perspective on Watershed Delineation and Modeling. ASCE-EWRI 9th International Perspective on Water Resources and the Environment, January 4-6, 2017, Wuhan, China.

58. Tahmasebi Nasab, M., X. Jia, and X. Chu. 2016. Modeling of Subsurface Drainage under Varying Microtopographic, Soil and Rainfall Conditions. ASABE 10th International Drainage Symposium, September 6-9, 2016, Minneapolis, MN.

57. Chu, X., M. Tahmasebi Nasab, and J. Zhang. 2016. Modeling of Hydrologic Connectivity for Topography-Dominated Wetlands. ASCE 2016 World Environmental and Water Resources Congress, May 22-26, 2016, West Palm Beach, FL.

56. Chu, X.. 2016. Threshold Hydrology: Quantifying Discontinuity, Connectivity, Variability, and Hierarchy in Overland Flow Generation, Keynote presentation, International Conference on Water, Environment, Energy and Society, March 15-18, 2016, Bhopal, India.

55. Tahmasebi Nasab, M. and X. Chu. 2016. A New Puddle-based Unit Approach for Watershed Delineation and Modeling. ND EPSCoR/IDeA 2016 State Conference, April 19, 2016, Grand Forks, ND.

54. Grimm, K. and X. Chu. 2016. Comparison of Contributing Areas from Different Watershed Models. ND EPSCoR/IDeA 2016 State Conference, April 19, 2016, Grand Forks, ND.

53. Chu, X., J. Zhang, and M. Tahmasebi Nasab. 2015. DEM-based Watershed Delineation – Comparison of Different Methods and applications. AGU Fall Meeting, December 14-18, 2015, San Francisco, CA.

52. Chu, X.. 2015. DEM-based Wetland Delineation and Application in the Prairie Pothole Region. ASCE 2015 World Environmental and Water Resources Congress, May 17-21, 2015, Austin, TX.

51. Habtezion, N. and X. Chu. 2015. Effects of Multiple Rainfall Events on Soil Water Dynamics and Surface Hydrologic Response. ASCE 2015 World Environmental and Water Resources Congress, May 17-21, 2015, Austin, TX.

50. Chu, X., G. Padmanabhan, D. Bogart, and N. Leelaruban. 2015. Overland Flow Generation under the Influence of Microrelief, Soil, and Rainfall. ASCE 2015 World Environmental and Water Resources Congress, May 17-21, 2015, Austin, TX.

49. Grimm, K. and X. Chu. 2015. Comparison of Different Watershed Delineation Methods. ND EPSCoR 2015 State Conference, April 22, 2015, Fargo, ND.

48. Chu, X. and N. Habtezion. 2014. Applications of the Green-Ampt Method across Scales. ASCE 2014 World Environmental and Water Resources Congress, June 1-5, 2014, Portland, OR.

47. Habtezion, N. and X. Chu. 2014. Surface Microtopography and Its Significance on Spatial Distribution of Hydrologic Processes. ND EPSCoR/IDeA 2014 State Conference, April 29, 2014, Grand Forks, ND.

46. Chu, X., J. Yang, and D. Bogart. 2013. Modeling of Infiltration and Discontinuous Overland Flow Dynamics under Various Topography, Soil, and Rainfall Conditions. ASCE 2013 World Environmental and Water Resources Congress, May 19-23, 2013, Cincinnati, OH.

45. Liu, Y., J. Yang, and X. Chu. 2013. Infiltration and Unsaturated Flow under the Influence of Surface Microtopography - Model Simulations and Experimental Observations. ASCE 2013 World Environmental and Water Resources Congress, May 19-23, 2013, Cincinnati, OH.

44. Habtezion, N. and X. Chu. 2013. Segmentation of Land Surface Image Using Object-based Method. North Dakota/South Dakota Engineering Research Summit, NDSU, UND, and SDSU, April 23, 2013, Brookings, SD.

43. Liu, Y. and X. Chu. 2013. Wetting Front Movement Affected by Surface Microtopography. North Dakota/South Dakota Engineering Research Summit, NDSU, UND, and SDSU, April 23, 2013, Brookings, SD.

42. Chu, X., J. Yang, and N. Habtezion. 2012. Dynamic puddle delineation and threshold-driven hydrotopographic processes. AGU Fall Meeting, December 3-7, 2012, San Francisco, CA.

41. Yang, J., D. Bogart, and X. Chu. 2012. Quantification of the spatio-temporal variability in threshold-controlled overland flow generation processes - A combined experimental and modeling study. AGU Fall Meeting, December 3-7, 2012, San Francisco, CA.

40. Chu, X.. 2012. A New Look at Overland Flow: Why do Puddles Matter? University of Saskatchewan, Saskatoon, Canada.

39. Chu, X.. 2012. Pesticide Fate and Transport: Introduction to a State-of-the-art Modeling System, Chulalongkorn University, Bangkok, Thailand.

38. Chu, X. and J Yang. 2012. A New Surface Delineation Approach for Characterizing Threshold-Driven Watershed Processes - Introduction to the Puddle-to-puddle (P2P) Modeling System. Fifty Years of Watershed Modeling - Past, Present and Future, Engineering Conferences International, September 24-26, 2012, Boulder, CO.

37. Chu, X.. 2012. Surface Ponding and Its Influence on Infiltration and Unsaturated Flow - Introduction to a New Version of HYDROL-INF Software. ASCE 2012 World Environmental and Water Resources Congress, May 20-24, 2012, Albuquerque, NM.

36. Yang, J. and X. Chu. 2012. Effects of Surface Microtopography on Hydrologic Connectivity. ASCE 2012 World Environmental and Water Resources Congress, May 20-24, 2012, Albuquerque, NM.

35. Wadhawan, T, M. Kasi, J. McEvoy, X. Chu, and E. Khan. 2012. Investigating transport of cryptosporidium under snowmelt conditions. ASCE 2012 World Environmental and Water Resources Congress, May 20-24, 2012, Albuquerque, NM.

34. Yang, J. and X. Chu. 2012. Modeling of Microtopography-Controlled Hydrologic Connectivity and Overland Flow Dynamics. North Dakota/South Dakota Engineering Research Summit, NDSU, UND, and SDSU, April 23, 2012, Grand Forks, ND.

33. Bogart, D., J. Yang, and X. Chu. 2012. Runoff Generation of Rough and Smooth Plots under Natural Rainfall Events. North Dakota/South Dakota Engineering Research Summit, NDSU, UND, and SDSU, April 23, 2012, Grand Forks, ND.

32. Chi, Y., J. Yang, and X. Chu. 2012. Application of Fractal Analysis for Surface Characterization and Hydrologic Analyses. North Dakota/South Dakota Engineering Research Summit, NDSU, UND, and SDSU, April 23, 2012, Grand Forks, ND.

31. Chu, X.. 2011. State-of-the-art Hydrology Education: Development of Windows-based and Web-based Interactive Teaching-Learning Software. NSF Special Session ED30: Impacts of Over a Decade of CAREER Awards, AGU Fall Meeting 2011, December 5 - 9, San Francisco, California.

30. Chu, X., J. Yang, Y. Chi, Y. Yang, and J. Zhang. 2011. Development of a Windows-based Modeling System for Simulating Microtopography-Controlled Overland Flow. AGU Fall Meeting 2011, December 5 - 9, San Francisco, California.

29. Yang, J. and X. Chu. 2011. Surface Microtopography and Hydrologic Connectivity Analysis. AGU Fall Meeting 2011, December 5 - 9, San Francisco, California.

28. Yang, J. and X. Chu. 2011. Surface Delineation and Hydrologic Connectivity Analysis. ND-SD 2011 Joint EPSCoR Conference, October 4, 2011, Fargo, ND.

27. Chu, X., Y. Chi, J. Yang, L. Sande, and D. Bogart. 2011. Microtopographic Characteristics of Soil Surfaces and Overland Flow Generation. ASCE 2011 World Environmental and Water Resources Congress, May 22-26, 2011, Palm Springs, California.

26. Sande L., D. Bogart, and X. Chu. 2011. Infiltration and Surface Runoff: Laboratory Experiments vs. Physically-based Modeling. ASCE 2011 World Environmental and Water Resources Congress, May 22-26, 2011, Palm Springs, California.

25. Chu, X. and R. Rediske. 2011. Metal Transport Modeling for a Coupled Stream-wetland System in West Michigan. ASCE 2011 World Environmental and Water Resources Congress, May 22-26, 2011, Palm Springs, California.

24. Chu, X.. 2011. Characterization of Surface Microtopography and Modeling of Overland Flow. North Dakota/South Dakota Engineering Research Summit, NDSU, UND, and SDSU, April 29, 2011, Fargo, ND.

23. Chi, Y., J. Yang, L. Sande, D. Bogart, and X. Chu. 2010. An improved surface delineation method ?Puddle delineation program and applications. North Dakota EPSCoR 2010 State Conference, September 29, 2010, Grand Forks, ND.

22. Chu, X., J. Zhang, Y. Chi, and J. Yang. 2010. An improved method for watershed delineation and computation of surface depression storage. ASCE 2010 Watershed Management Conference: Innovations in Watershed Management under Land Use and Climate Change, August 23-27, 2010, Madison, Wisconsin.

21. Chu, X., J. Zhang, J. Yang, and Y. Chi. 2010. Quantitative evaluation of the relationship between grid spacing of DEMs and surface depression storage. ASCE 2010 World Environmental and Water Resources Congress, May 16-20, 2010, Providence, Rhode Island.

20. Yang, J., X. Chu, Y. Chi, and L. Sande. 2010. Effects of rough surface slopes on surface depression storage. ASCE 2010 World Environmental and Water Resources Congress, May 16-20, 2010, Providence, Rhode Island.

19. Chi, Y., J. Yang, and X. Chu. 2010. Characterization of surface roughness and computation of depression storage. ASCE 2010 World Environmental and Water Resources Congress, May 16-20, 2010, Providence, Rhode Island.

18. Chu, X. and J. Zhang. 2009. An automated algorithm for quantifying depression filling and storage. ASCE 2009 World Environmental and Water Resources Congress, May 17-21, 2009, Kansas City, MO.

17. Yang, J., Y. Chi, X. Chu. 2009. Experimental study on microtopography-controlled overland flow. 3th Annual Joint Student Environmental Conference, July 29-30, 2009, South Dakota State University, Brookings, SD.

16. Chi, Y., J. Yang, X. Chu, J. Zhang. 2009. Characterization of surface roughness and computation of depression storage. 3th Annual Joint Student Environmental Conference, July 29-30, 2009, South Dakota State University, Brookings, SD.

15. Chu, X.. 2009. Metal-sediment transport modeling in a stream-wetland system. Environmental & Conservation Sciences, North Dakota State University.

14. Chu, X., J. Higgins, and J. Zhang. 2008. Multi-scale DEM-based delineation and quantification of overland flow processes. AGU 2008 Fall Meeting, December 15-19, 2008, San Francisco.

13. Chu, X.. 2008. How does water move when it rains? Modeling vs. reality. Michigan State University.

12. Chu, X. and A. D. Steinman. 2008. Continuous hydrologic modeling improved by intensive event data. ASCE 2008 World Environmental and Water Resources Congress, Honolulu, Hawaii, May 12-16, 2008.

11. Chu, X. and M. A. Marino. 2007. Occurrence and Distribution of Agricultural Pesticides and Transport Modeling in Surface and Subsurface Environments. AGU 2007 Fall Meeting, San Francisco, December 10-14, 2007.

10. Chu, X.. 2007. Hydrologic and Environmental Modeling: An Application and a New Method. University of California, Davis.

9. Chu, X. and M. A. Marino. 2007. Space and time issues in comparison and evaluation of different pesticide transport models in the vadose zone. ASCE 2007 World Environmental and Water Resources Congress, Tampa, Florida, May 15-19, 2007.

8. Chu, X. and M. A. Marino. 2006. Simulation of infiltration and surface runoff - A Windows-based hydrologic modeling system HYDROL-INF. ASCE 2006 World Environmental and Water Resources Congress, Omaha, Nebraska, May 21-25.

7. Chu, X. and M. A. Marino. 2005. Development of a Windows-Based Integrated Pesticide Transport Modeling System for a Coupled Canopy and Soil System (IPTM-CS). AWRA 2005 Annul Water Resources Conference, Seattle, WA, November 7-10.

6. Chu, X.. 2005. Development of Windows-Based Hydrologic and Environmental Modeling Systems. Great Lakes Environmental Research Laboratory, National Oceanic and Atmospheric Administration, Ann Arbor.

5. Chu, X., A.D. Steinman, R.R. Rediske, K.M. Thompson, R.L. Denning, L.C. Nemeth. 2003. Watershed Hydrologic Modeling and Application in the Little Black Creek Basin. Lake Michigan: State of the Lake '03, Muskegon, Michigan.

4. Chu, X. and M. A. Marino. 2003. Modeling of Diazinon Runoff and Leaching in a Watershed. American Water Resources Association's 2003 Spring Specialty Conference, Kansas City, Missouri.

3. Chu, X. and M. A. Marino. 2001. Models for pesticide exposure assessment in surface-subsurface environments. American Water Resources Association's 2001 Spring Specialty Conference, San Antonio, Texas.

2. Chu, X., Jingli Shao, M. A. Marino, and Juanming Xu. 2000. Conjunctive water resources supply-demand management model in Baotou City, China. International Symposium on Integrated Water Resources Management, International Association of Hydrological Sciences, Davis.

1. Chu, X., M. A. Marino, Jingli Shao, and Craig Nordmark. 2000. Pesticide transport modeling and application to the Wadsworth Canal Basin, California. AGU 2000 Fall Meeting, San Francisco.