• 2004-present, Assistant Professor, Department of Geography, East Stroudsburg University of Pennsylvania.
• 2001-2003, Teaching Assistant, Department of Geography, State University of New York at Buffalo .
• 2000-2001, Senior Engineer on river dynamics and watershed management, Institute of Water Resources and Hydro-power Research (IWHR), Beijing, China.
• 1998-2000, Engineer on river dynamics and flood control, Institute of Water Resources and Hydro-power Research (IWHR), Beijing, China.

• July, 2008-July, 2011, Distinguished guest professor, Changsha University of Science and Technology, China.
• 2007, Visiting Research Fellow, Thsinghua University, Beijing, China.
• 2007, Guest professor, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences. 
• 2007, Guest Professor, Sichua University, China.
• July, 2005, visiting postdoctoral researcher, National Geographic Information and Analysis Laboratory (GIAL), SUNY-Buffalo. 

• Mar.-June, 2001, Visiting Research Fellow, Department of Civil and Structural Engineering, Hong Kong Polytechnic University. Project:  Flume experiment of cohesive sediment transport under wave action.
• Apr.-Aug., 2000, Visiting Scholar, National Key Laboratory of Speedy Hydraulics, Sichuan University, China. Project: Effects of watershed management on the reduction of sediment and runoff in Jialing River, China.
• Apr.-July, 1999, Visiting Research Fellow of Department of Civil Engineering, Hong Kong University. Project: Pollutant transport and eutrophication problems in the watershed and coastal regions.
• Aug.-Sep.., 1999, Visiting Scholar, National Key Laboratory of Loess Plateau and Dry Land Farming, Chinese Academy of Science. Project: Overland flow and soil erosion control in Loess Plateau.
• Nov.-Dec., 1998, Visiting Scholar, National Key Laboratory of Estuary and Coast Research, East China Normal University. Project: Experimental study on stability of muddy coast.

    Experimental Skills

Apparatuses:  Hydraulic flumes for open-channel flows, wave/current flow and overland flows, variable intensity rainfall simulators

     Devices and techniques:                                                     

Total Station        Acoustic Doppler velocitymeter     Pressure transducers

Electromagnetic current meters     Strain gages     Ultrasonic depth profilers  

  Particle image velocitymeter     Global positioning systems   Sediment size distribution  

  Bed deformation observation system     Salt tracing technique for overland flow velocity         

   Field Skills

Techniques and experiences in investigation of soil, surface hydrology, ground water, landform evolution, and regular weather observation, watershed processes and water quality observation, river sediment sampling, wind-blown sediment transport monitoring, tree ring analysis.

  Computer Skills

• GIS/RS: ArcGIS, ArcView GIS, Erdas. 
•  Programming: C, Visual Basic.
• Maths and Statistics Analysis: SPSS, Matlab, SYSTAT.
• Data management: SQL Server, Microsoft Access, Visual Foxpro.
• 2D and 3D designing: Dream weaver, HTML, AutoCAD.
• Teaching: WebCT, BLACKBOARD