NIWA

Roddy has a BE (Civil) and MSc (Resource Management) from the University of Canterbury. He has worked in the field of hydrology for more than 40 years. In that time he has been involved in research into channel erosion processes, high intensity rainfall in the Southern Alps, estimation of hydrological parameters in ungauged basins, revision of flood frequency estimation methods for New Zealand, and quality assurance of hydrological data. His many commercial projects involving hydrological data analysis and simulation, are generally either related to hydro-power projects (new and existing), flood and low flow frequency analysis, water supply systems, or estimation in locations with little or no data. He has prepared and presented 20 briefs of evidence as an expert witness to regional council hearings and the Environment Court.

Articles:

Kerr T., Henderson R. and Sood A., 2018. The precipitation distribution across Westland Tai Poutini National Park. Journal of Hydrology (NZ) 57(1):1-23.

Woods R.A., Henderson R.D., Hendrikx J. and Schmidt J., 2008. Estimating low flow statistics in ungauged basins of New Zealand using a mechanistic approach. EGU General Assembly, Vienna, Austria, April 2008.

Woods R.A., Hendrikx J., Henderson R.D. and Tait A.B. 2006. Mean flow hydrology of New Zealand rivers. Journal of Hydrology (NZ) 45(2): 95-110.

McKerchar A.I. and Henderson R.D. 2003. Shifts in flood and low-flow regines in new Zealand due to interdecadal climate variations. Hydrological Sciences Journal 48(4): 637-654.

Henderson R.D., Ibbitt R.P. and McKerchar A.I. 2003. Reliability of linear regresion for estimation of mean annual low flow: a Monte Carlo approach. Journal of Hydrology (NZ) 42(1): 75-95.

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Roddy Henderson

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