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Assoc. Prof. Yeboah Gyasi-Agyei

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Associate Professor and Chief Investigator HEFRAIL Project

BSc (Hons) Civil Engineering (Kumasi, Ghana), MSc & PhD Hydrology and Water Engineering (Brussels, Belgium)

Email:
Office: Building 70/1.05
Rockhampton Campus
Phone: + 61 7 49309977
Fax: + 61 7 4930 6984

Background & Teaching

Teaching

Term 1 2009

  • ENEC13009 Hydraulics (teaching and coordinating)
  • ENEC14012 Water Engineering (teaching and coordinating)
  • ENTC13009 Water and Wastewater Engineering (teaching and coordinating)

Term 2 2009

  • ENEC13013 Water and Environmental Design (teaching and coordinating)
  • ENAC12001 Applied Hydraulics (teaching and coordinating)

Term 1 2008

  • ENEC13009 Hydraulics (teaching and coordinating)
  • ENEC14012 Water Engineering (teaching and coordinating)
  • ENTC13011 Environmental Engineering (coordinating)
  • ENTC13009 Water and Waste Water Engineering (coordinating)
  • ENEC13013 Water and Environmental Design (developing)
  • ENAC12001 Applied Hydraulics (developing)

Term 2 2008

  • ENEC13013 Water and Environmental Design (teaching and coordinating)
  • ENAC12001 Applied Hydraulics (teaching and coordinating)
  • ENTC13008 Water Resources Engineering (coordinating)
Ad Hoc Reviewer
  • Water Resources Research
  • Journal of Hydrology
  • Hydrological Processes
  • Journal of Hydraulic Research
  • Journal of Irrigation and Drainage Engineering
  • Journal of Environmental Management
  • Hydrological Sciences Journal
  • Water, Air, & Soil Pollution
  • Land Degradation & Development
  • Stoch Environ Res Risk Assess
Professional Interests
  • Catchment Hydrology
  • Erosion Control of Steep Slopes
  • Drip Irrigation
  • Experimental Hydrology
  • Urban Storm Water Management
  • Spatially Distributed Hydrologic Modelling
  • Stochastic Rainfall Modelling
  • Runoff Modelling
  • Erosion Modelling
  • Flood Hydrology and Frequency Analysis
  • Hydraulics
  • Geographic Information Science (GIS) Applications in Catchment Hydrology

    • Research & Publications

    Awards
    2003
    • Research Award for the Best Paper by a university worker, the Sixth International Railway Engineering Conference, London, UK, 30 April - 1 May
    Refereed Journal Articles
    2009
    • Gyasi-Agyei, Y. (2009) Closure to "field-scale assessment of uncertainties in drip irrigation lateral parameters" by Yeboah Gyasi-Agyei." J. Irrig. Drain. Eng., 135 (2), 263-264.
    2008
    • Bhattarai, S.P., Fox, J, Gyasi-Agyei, Y. (2008) Enhancing buffel grass seed germination by acid treatment for rapid vegetation establishment on railway batters, Journal of Arid Environments, 72, 255-262
    2007
    • Gyasi-Agyei, Y., Mahbub, P.B. (2007) A stochastic model for daily rainfall disaggregation into fine time scale for a large region, Journal of Hydrology, 347, 358-370.
    • Gyasi-Agyei, Y. (2007) Field Scale Assessment of uncertainties in drip irrigation lateral parameters, J. Irrigation and Drainage Engineering, 133(6), 512-519.
    2006
    • Gyasi-Agyei, Y. (2006) Erosion risk assessment of controlled burning of grasses established on steep slopes, Journal of Hydrology, 317, 276-290.2.       
    2005
    • Gyasi-Agyei, Y. (2005) Stochastic disaggregation of daily rainfall into one-hour time scale, Journal of Hydrology, 309, 178-190.
    2004
    • Gyasi-Agyei, Y. (2004) Cost-effective temporary micro-irrigation system for grass establishment on environmentally sensitive steep slopes, J. Irrigation and Drainage Engineering, 130(3), 218-226.
    • Gyasi-Agyei Y. (2004) Optimum use of biodegradable erosion control blankets and waste ballast (rock) mulch to aid grass establishment on steep slopes, Journal of Hydrologic Engineering, 9(2), 150-159.
    2003
    • Gyasi-Agyei Y. (2003) Pond water source for irrigation on steep slopes, Journal of Irrigation and Drainage Engineering, 129(3), 184-193.
    2001
    • Gyasi-Agyei Y. and J. Sibley and N. Ashwath (2001) Quantitative evaluation of strategies for erosion control on a railway embankment batter, Hydrological Processes Journal, 15, 3249-3268.
    • Gyasi-Agyei Y. (2001) Modelling diurnal cycles in point rainfall properties, Hydrological Processes Journal, 15, 595-601.
    1999
    • Gyasi-Agyei Y. (1999) Identification of regional parameters of a stochastic model for rainfall disaggregation, Journal of Hydrology, 223(3-4), 148-163.
    • Gyasi-Agyei Y. and G. Willgoose (1999) Generalisation of a hybrid model for point rainfall, Journal of Hydrology, 219(3-4), 218-224.
    1997
    • Gyasi-Agyei Y. and G. Willgoose (1997) A hybrid model for point rainfall modelling, Water Resources Research, 33(7), 1699-1706.
    1996
    • Gyasi-Agyei Y., F. P. De Troch and P. A. Troch (1996) A dynamic hillslope response model in a geomorphology based rainfall-runoff model, Journal of Hydrology, 178(1-4), 1-18.
    1995
    • Gyasi-Agyei Y., G. Willgoose and F. P. De Troch (1995) Effects of vertical resolution and map scale of digital elevation models on geomorphological parameters used in hydrology, Hydrological Processes Journal, 9(2/3), 363-382.
    1994
    • Delleur J. W. and Y. Gyasi-Agyei (1994) Prediction of suspended solids in urban sewers by transfer function model, Water Science and Technology, Vol. 29(1/2), 171-179.
    Conference Papers - Refereed
    2009
    • Gyasi-Agyei, Y. (2009) Drip irrigation design to aid grass establishment on railway formation steep slopes, USCID 5th International Conference on Irrigation and Drainage, Salt Lake City, Utah, USA, November 3-6, 441-450.
    2008
    • Mahbub S.M.P.B, Y. Gyasi-Agyei, Wasimi S.A. (2008) A Robust Approach to the Derivation of Intensity-Frequency-Duration (IFD) Curves for a Large Region. In proceedings, Water Down Under 2008 incorporating 31st Hydrology and Water Resources Symposium and 4th International Conference on Water Resources and Environment Research, Adelaide, Australia, April, 650-660.
    2007
    • Gyasi-Agyei Y., J. Fox1, S. Bhattarai, T. Mcsweeney, D. Nissen (2007) Advances in steep slope (batter) erosion control. In proceedings, International Conference on Adaptive Science and Technology, Accra Ghana, 10-12 December, 161-168.
    • Mahbub S.M.P.B, Y. Gyasi-Agyei (2007) Variance Analysis for A daily rainfall disaggregation model. In proceedings, International Conference on Adaptive Science and Technology, Accra Ghana, 10-12 December, 153-160.
    2005
    • Gyasi-Agyei, Y., S. Bhattarai, J. Fox and D. Nissen (2005) Simultaneous multi-site railway embankment steep slopes (batters) erosion control for a new spur line. In proceedings, The Eighth International Railway Engineering Conference, London, UK, 29-30 June.
    2003
    • Gyasi-Agyei, Y., and D. Nissen (2003) Erosion control on steep slopes - Riverside Mine railway embankment batter case study. In proceedings, National Environment Conference, The Environmental Engineering Society, The Institution of Engineers Australia, Brisbane Australia, 18-20 June.
    • Gyasi-Agyei, Y., T. McSweeney and D. Nissen (2003) Innovations in erosion control on railway steep slopes (batters). In proceedings, The Sixth International Railway Engineering Conference, London, UK, 30 April - 1 May.
    2002
    • Gyasi-Agyei Y., I. Kayes, D. Nissen and P. Langford (2002) Cost effective strategies for railway batter erosion control. In proceedings, Conference on Railway Engineering CORE2002, Wollongong, Australia, 10-13 November, 121-130.
    2000
    • Karikari-Yeboah O. and Y. Gyasi-Agyei (2000) Stability of slopes over colluvium: investigation, analysis and stabilisation. In proceedings, Conference on Geotechnical Engineering GeoEng2000, Melbourne, Australia, 19-24 November.
    • Gyasi-Agyei Y., J. Sibley, P. Truong and D. Nissen (2000) A catchment-based approach to the mitigation of erosion problems in a railway cutting. In proceedings, Conference on Railway Engineering CORE2000, Adelaide, Australia, 22-23 May, 22.1-22.13.
    1998
    • Gyasi-Agyei Y., J. Sibley, N. Ashwath, D. Nissen and T. Griffin (1998) A biotechnical approach to the remediation of erosion damage to rail track formations in Central Queensland. In proceedings, Conference on Railway Engineering CORE1998, Rockhampton, Australia, 7-9 September, 33-40.
    1996
    • Willgoose G., Y. Gyasi-Agyei, R. Loch and B. So (1996) Plot hydrology and erosion experimental data: Scaling issues, land and mine rehabilitation. In proceedings, 23rd Hydrology and Water Resources Symposium, Hobart, Australia 21-24 May, 97-102.
    • Gyasi-Agyei Y. and G. Willgoose (1996) Evaluation of the use of contour banks as post-mining rehabilitation erosion control option using a digital terrain based rainfall-runoff-erosion models. In proceedings, HydroGIS'96, Vienna, Austria, 16-19 April, Poster Vol., 143-150.
    1995
    • Willgoose G. and Y. Gyasi-Agyei (1995) New technology in hydrology and erosion assessment for mine rehabilitation. In proceedings, the Application of Computers and Operations Research in the Mineral Industries (APCOM) Conference on "The Communications Revolution - Its Impact on Mining", Brisbane, 19-14 July, 555-562.
    Grants
    2009
    • Testing of new pressure compensating driplines - Riverside Embankment Field Trials, QR, $30,000
    2007
    • Holmes Cutting Erosion Control Trials, 2007, QR, $15,000.
    2006
    • HEFRAIL II PROJECT Extension (July 2006 to June 2009), QR, 180,000.
    • Extension of Bauhinia Regional Rail Project - Erosion control of railway embankment batters (February 2006 to June 2006), QR, $100,000 
    2005
    • Extension of Bauhinia Regional Rail Project - Erosion control of railway embankment batters (November 2005 to January 2006), QR, $222,000
    2004
    • Bauhinia Regional Rail Project - Erosion control of railway embankment batters (October 2004 to October 2005), QR, $728,000
    2003
    • Mitigation of Hydrology and Erosion problems, and Fire risks within Central Queensland railway system - HEFRAIL II PROJECT (July 2003 to June 2005), QR, $442,000
    2001
    • Black mountain derailment site re-vegetation, QR, 2001, $60,000
    • Riverside Balloon railway embankment erosion control field trials, QR, 2001,  $50,000
    2000
    • Mitigation of Hydrology and Erosion problems, and Fire risks within Central Queensland railway system - HEFRAIL PROJECT (October 2000 to December 2002), QR, 2000, $405,000.
    1998
    • Design and construction of drainage and erosion control strategies for railway track formation, Boundary Hill Balloon Loop Line, Infrastructure Services Group, Queensland Rail, Rockhampton, 1998, $50,000
    1997
    • Field trials set-up on Gregory Line embankment for monitoring the effects of various surface treatments on runoff production and soil loss, Infrastructure Services Group, Queensland Rail, Rockhampton, 1997, $88,000.
    Refereed Book Chapters
    2006
    • Gyasi-Agyei Y. (2006) Hydraulic modelling of drip irrigation systems used for grass establishment on steep slopes. In: Sustainable Irrigation Management, Technologies and Policies, G. Lorenzini and C.A. Brebbia (Eds), 159-169, WIT Press.
    1995
    • Gyasi-Agyei Y., G. Willgoose and F. P. De Troch (1995) Effects of vertical resolution and map scale of digital elevation models on geomorphological parameters used in hydrology. In: Scale Issues in Hydrological Modelling, J. D. Kalma and M. Sivapalan (Eds), 121-140, John Wiley and Sons.
    1994
    • Gyasi-Agyei Y., F. De Troch and P. Troch (1994) Estimation of downstream hydraulic geometry exponents: special emphasis on channel flow velocity. In: Coping with Floods, Rossi, G, Harmancioglu N. and V. Yevjevich (eds), NATO ASI Series 257, 393-402, Kluwer Academic Publishers.
    Research Interests
    0000
    • Catchment Hydrology
    • Erosion Control of Steep Slopes
    • Drip Irrigation
    • Experimental Hydrology
    • Urban Storm Water Management
    • Spatially Distributed Hydrologic Modelling
    • Stochastic Rainfall Modelling
    • Runoff Modelling
    • Erosion Modelling
    • Flood Hydrology and Frequency Analysis
    • Hydraulics
    • Geographic Information Science (GIS) Applications in Catchment Hydrology
    Technical Reports
    0000
    • Gyasi-Agyei Y. (2004) Erosion risk assessment of controlled burning of grasses established on railway batters, Gregory railway embankment field trial site, Research Report CRE R 104 HEFRAIL-4/2004, Central Queensland University.
    • Gyasi-Agyei Y. and T. McSweeney (2002) Mitigation of hydrology and erosion problems, and fire risks, within Central Queensland railway system (HEFRAIL Project), Black Mountain Derailment site re-vegetation, Research Report CRE R 84 HEFRAIL-3/2002, Central Queensland University.
    • Gyasi-Agyei Y. and T. McSweeney (2002) Mitigation of hydrology and erosion problems, and fire risks, within Central Queensland railway system (HEFRAIL Project), part II - Riverside large scale field trials, Research Report CRE R 79 HEFRAIL-2/2002, Central Queensland University.
    • Gyasi-Agyei Y. (2001) Mitigation of hydrology and erosion problems, and fire risks, within Central Queensland railway system (HEFRAIL Project), part I - plot scale field trials, Research Report CRE R 69 HEFRAIL-1/2001, Central Queensland University.
    • Gyasi-Agyei Y. and J. Sibley (2000) Hydrology and erosion studies of a railway embankment - Gregory railway line field trials, Research Report CRE R 45 ERO-S1-2/00, Central Queensland University.
    • Gyasi-Agyei Y. and J. Sibley (1999) Strategies for the mitigation of erosion problems in a railway cutting and easement: Boundary Hill balloon field trials, Research Report CRE R 44 ERO-S2-1/99, Central Queensland University.
    • Gyasi-Agyei Y. and J. Sibley (1998) Development of strategies for prevention and control of rail track formation erosion in Central Queensland: Initial report on Gregory railway line field trials, Research Report CRE R 41 ERO-S1-1/98, Central Queensland University.
    • Gyasi-Agyei Y. and J. Sibley (1998) Erosion and landform studies - Towards an environmental impact statement for the Marlborough Nickel Project, Consultancy report prepared for Delayed Yield Pty Ltd.
    • Gyasi-Agyei Y., G. R. Willgoose, C. Pocknee, and R. J. Lock (1996) Calibration of DISFW parameters for the QDPI rainfall simulator, Oaky Creek Mine, The University of Newcastle Research Report No. 132.2.1996.
    • Gyasi-Agyei Y., G. R. Willgoose, C. Pocknee, and R. J. Lock (1996) Calibration of DISFW parameters for the QDPI rainfall simulator, Goonyella Mine, The University of Newcastle Research Report No. 131.2.1996.
    • Gyasi-Agyei Y., G. R. Willgoose, C. Pocknee, and R. J. Lock (1995) Calibration of DISFW parameters for the QDPI rainfall simulator, Blackwater Mine, The University of Newcastle Research Report No. 124.11.1995.
    • Gyasi-Agyei Y., G. R. Willgoose, C. Pocknee, and R. J. Lock (1995) Calibration of DISFW parameters for the QDPI rainfall simulator, Curragh Mine, The University of Newcastle Research Report No. 121.11.1995.
    • Gyasi-Agyei Y. (1993) Geomorphologic investigations for catchment hydrologic response modelling using a digital elevation model, Ph.D. dissertation, Free University Brussels, Belgium.
    • Gyasi-Agyei Y. (1989) Geomorphologic representation of the instantaneous unit hydrograph (GIUH), MSc Thesis, Laboratory of Hydrology, Free University Brussels, Belgium.
    Refereed Conference Abstracts
    0000
    • Gyasi-Agyei Y. (2004) Derivation of Intensity-Frequency-Duration Curves by Daily Rainfall Disaggregation, Montreal, AGU Spring Meeting in Montreal, Canada, 17-21 May.
    • Gyasi-Agyei, Y. and Nissen, D. (2002). Hydrologic analysis of ungauged catchments for the supply of water for irrigation on railway embankment batters. In proceedings of the European Geophysical Society (EGS) 27th General Assembly, Nice, France, 21-26 April, Geophysical Research Abstract, Volume 4.
    • Gyasi-Agyei Y. (2001) Modelling diurnal cycles in point rainfall properties. In proceedings of the European Geophysical Society (EGS) 26th General Assembly, Nice, France, 25-30 March., Geophysical Research Abstract, Volume 3, 8294..
    • Gyasi-Agyei Y. and J. Sibley and N. Ashwath (2001) Quantitative evaluation of strategies for erosion control on a railway embankment batter. In proceedings of the European Geophysical Society (EGS) 26th General Assembly, Nice, France, 25-30 March, Geophysical Research Abstract, Volume 3, 2576
    • Gyasi-Agyei Y., J. Sibley and J. N. Quinton (1999) Coupling a stochastic point rainfall model to EUROSEM Model: examining the relationship between storm, flood and sediment yield frequencies. In proceedings of the European Geophysical Society (EGS) 24th General Assembly, The Hague, 19-23 April, Geophysical Research Abstract, Volume 1 (2), 297.
    • Gyasi-Agyei Y. and J. Sibley (1998) Regionalisation of the Parameters of a Hybrid Point Rainfall Model. In proceedings, Sixth International Conference on Precipitation - Predictability of Rainfall at all Scales, Mauna Lani Bay, Hawaii, June 29 - July 1.
    • Gyasi-Agyei Y. and G. Willgoose (1997) Flood frequency distributions derived from a hybrid point rainfall model and a Hortonian rainfall-runoff model. In proceedings of the European Geophysical Society (EGS) XXII General Assembly, Vienna, 21-25 April, Annales Geophysicae, Supplement II Volume 15, C321.
    • Gyasi-Agyei Y. and G. Willgoose (1995) Prediction of the evolution of post-mining landforms due to erosion,. In proceedings of the European Geophysical Society (EGS) XX General Assembly, Hamburg, 3-7 April, Annales Geophysicae, Supplement II Volume 13, C454.
    • Gyasi-Agyei Y., F. P. De Troch and P. A. Troch (1993), A three component geomorphology based event rainfall-runoff model. In: Proceedings, AGU Fall Meeting in San Francisco, USA, 6-10 December, EOS Transactions, AGU, October 26, 301.
    • Gyasi-Agyei Y., F. P. De Troch and P. A. Troch (1993) Map scale effects on geomorphologic parameters used in hydrology. In Proceedings, Workshop on Scale Issues in Hydrological/Environmental Modelling, Sydney-Australia, 30th November - 2nd December, 17.
    • Gyasi-Agyei Y., F. P. De Troch and P. A. Troch (1993) A dynamic hillslope response model in a geomorphology based rainfall-runoff model. In: Proceedings, AGU Spring Meeting in Baltimore, USA, 24-28 May, EOS Transactions, AGU, April 20, 195-196.
    • Gyasi-Agyei Y., F. De Troch and P. Troch (1991) Predictors of the parameters of two geomorphologic instantaneous unit hydrograph (GIUH). In Proceedings, European Geophysical Society (EGS) XVI General Assembly, Wiesbaden, Germany, 22-26 April, Annales Geophysicae, supplement to volume 9, C493.

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