YEONSANG HWANG E-mail: Yeonsang.Hwang@valpo.edu
RESEARCH INTEREST
Statistical Interpolation of Climate Variables, Statistical Downscaling of Climate Data, Rainfall-Runoff Modeling, Hydrologic Model Sensitivity, Climate Change Impact, Watershed Hydrology, Water Resources Management, Economics on Water Resources, International Water Policy, Water Pricing, Water Conflict Resolution
EDUCATION
2001-2005	Ph.D., Department of Civil, Environmental, and Architectural Engineering, University of Colorado, Boulder, CO
1991-1993	M.S., Department of Civil Engineering, Yonsei University, Seoul, KOREA
TEACHING EXPERIENCE
2007-present	Visiting Assistant Professor of Civil Engineering, Valparaiso University, Valparaiso, IN ; Courses: Fluid Mechanics, Hydrology, Mechanics of Materials, Soil Mechanics, Soil and Foundation Engineering
1991-1992	Teaching Assistant, Yonsei University, Seoul, KOREA ; Course: Fluid Mechanics, Computational Methods
RESEARCH EXPERIENCE
2006-2007	Research Associate, University of South Carolina, Columbia, SC ;Research member at CISA (Carolinas Integrated Science & Assessment) project as a part of NOAA RISA program.  Stochastic drought forecast using flexible non-parametric technique. Climate impact analysis in Carolinas’ watersheds using hydrologic simulation model (BASIN/HSPF).
2002-2005	Research Assistant, University of Colorado, Boulder, CO ;Conducted research on the impact of spatial interpolation techniques and input uncertainties of climate variables on a distributed hydrologic model as a part of developing ensemble streamflow forecast technique sponsored by NOAA GAPP program and the NOAA RISA Program
1991-1993	Research Assistant, Yonsei University, Seoul, KOREA ;Conducted runoff estimation using ILLUDAS and RRL model for risk analysis project on 54 retention ponds in the City of Seoul. ;Conducted the 2D flow surface simulation of Dorim-Cheon (a branch stream of Han River) using RMA2 hydraulic model (part of Corp of Engineers’ TABS modeling system).
SKILLS
Computational: Programming with Fortran 77 and R statistics package for hydrologic, water resources management, and engineering problems.  Operational experiences with hydrologic models (PRMS, ILLUDAS, RRL, SWMM), hydraulics model (RMA), waste treatment process simulator (GPS-X).  Some experience with SURFER, MathCAD, MATLAB, C++, Basic, AutoCAD.  Knowledge of MS-Office Suite, MS-Visio, Grapher, GIMP (open source graphic software), Paintshop, various computer operating systems (Windows, OS X, Unix, and Linux), etc. Language: English and Korean (Proficient in speaking and writing), Japanese (Reading and basic conversation)
WORK EXPERIENCE
2000-2001	Leading Engineer of Water Resources Section, Waterworks and Sewage Design Team, LG E&C, Seoul, KOREA.
1997-2000	Research Member, Construction Technology Institute, LG E&C, Seoul, KOREA.
1996-1997	Research Member, Ex-Const Task Force Team, LG E&C, Seoul, KOREA.
1993-1996	Research Member, Construction Technology Institute, LG E&C, Seoul, KOREA.
SOME PUBLICATIONS AND PRESENTATIONS
Yeonsang Hwang and Gregory Carbone (Under review for J. of Applied Meteorology and Climatology), “Ensemble forecast of drought indices using a conditional residual resampling technique”.
Yeonsang Hwang, Martyn Clark, and Balaji Rajagopalan (in preparation), “Spatial interpolation schemes of daily precipitation for hydrologic modeling”.
Yeonsang Hwang, Martyn Clark, and Balaji Rajagopalan (in preparation), “Use of daily precipitation uncertainties in streamflow simulaton and forecast”.
Yeonsang Hwang and Gregory Carbone, Ensemble forecast of monthly drought indices in South Carolina, The Climate Prediction Applications Science Workshop, Seattle, WA, March 20~23, 2007.
Yeonsang Hwang, Martyn Clark, and Balaji Rajagopalan, Impact of Spatial Interpolation Methods for Precipitation on Ensemble Streamflow Simulation From Watershed Models, AGU 2005 Joint Assembly, New Orleans, May 23~27, 2005.
Yeonsang Hwang, Martyn Clark, Balaji Rajagopalan, and Subhrendu Gangopadhyay, “Spatial interpolation schemes for climate variables and applications in hydrologic modeling”, International Conference on Hi-Impact Weather and Climate: Understanding, Prediction, and Socio-Economic Consequences, Seoul, KOREA, March 22~24, 2004.
Yeonsang Hwang, Balaji Rajagopalan, Martyn Clark, and Subhrendu Gangopadhyay, “Inter-comparison of Spatial interpolation schemes for precipitation and temperature in hydrologic modeling”, Hydrology Days 2003, Fort Collins, CO, March 31~April 2, 2003.
DISSERTATION & THESIS
Yeonsang Hwang, “Impact of input uncertainty in ensemble stream flow generation”, Doctoral Dissertation, University of Colorado, Boulder, CO, 2005.
Yeonsang Hwang, “Analysis of Flood Level due to the Reclamation of Sat-Gang (branch stream) in Han River”, M.S. Thesis, Yonsei University, Seoul, KOREA, March 1993.
PATENT & COPYRIGHT
Yeonggi Oh, Yeonsang Hwang, and Kyeongsoo Lee, “Nutrient Removal Technique for Wastewater using Pre-located Anoxic Tank Process (LG Bio-NET)”, certified as New Construction Technology (Certified by Ministry of Construction and Transportation) at Construction Technology Institute, LG E&C, Seoul, KOREA, 2000.
Yeonggi Oh, Yeonsang Hwang, and Heonsoo Park, “Wastewater Treatment Process”, patent registered at Construction Technology Institute, LG E&C, Seoul, KOREA, 1999.
Yeonggi Oh, Yeonsang Hwang, and Heonsoo Park, “Rectangular Settlement Pond for Wastewater Treatment Process”, filed for patent registration at Construction Technology Institute, LG E&C, Seoul, KOREA, 1998.
ADDITIONAL INFORMATIONS
Certificate of the Professional Engineer in Water Resources Development in Korea, 2000. Certificate of the first rate license in general civil engineering in Korea, 1992. Enjoy photography (http://mountainbread.org/), blogging, hiking, and skiing.