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Seth Westra

BE, MEngSc, PhD UNSW

Research Associate

Contact Details

Office Location:
CE 303 Civil Engineering Building (H20)
Phone: +61 2 9385 5140
Fax: + 61 2 9385 6139
Email: s.westraroberto@unsw.edujlo.au

Research Area

Statistical seasonal forecasting of hydroclimate data
Multivariate statistics and frequency analysis
Continuous rainfall simulation
Implications of climate variability and change on flood hydrology

Selected Publications

Submitted or in-preparation

Westra, S. & Sharma, A., 2009, “An upper limit to seasonal rainfall predictability?”, submitted to Journal of Climate.

Westra, S., Varley, I., Jordan, P., Nathan, R., Ladson, A., Hill, P. & Sharma, A., 2009, “Addressing climatic non-stationarity in the assessment of flood risk”, submitted to the Australian Journal of Water Resources.

Westra, S., Mehrotra, R., Srikanthan, S. & Sharma, A., 2009, Continuous rainfall simulation: estimation at ungauged locations”, in preparation; to be submitted to the Journal of Water Resources Research.

Pui, A., Westra, S. & Sharma, A., 2009, How does the El Nino Southern Oscillation and other large scale forcings impact daily – sub-daily rainfall in eastern Australia, submitted to the 2009 Hydrology and Water Resources Symposium.

Journal Papers

Westra, S. & Sharma, A., 2009, “Probabilistic estimation of multivariate streamflow using independent component analysis and climate information”, Journal of Hydrometeorology (in press).

Westra, S., Brown, C., Lall, U., Koch, I. & Sharma, A., 2009, “Interpreting variability in global SST data using Independent Component Analysis and Principal Component Analysis”, International Journal of Climatology, doi: 10.1002/joc.1888.

Westra, S., Brown, C., Lall, U. & Sharma, A., 2008, “Multivariate streamflow forecasting using independent component analysis”, Water Resources Research, Vol. 44, W02437, doi: 10.1029/2007WR006104, 2008.

Westra, S., Brown, C., Lall, U. & Sharma, A., 2007, “Modeling multivariable hydrological series: principal component analysis or independent component analysis”, Water Resources Research, Vol 43, W06429, doi:10.1029/2006WR005617, 2007.

Westra, S. & Sharma, A., 2006, “Dominant modes of inter-annual variability in Australian rainfall analysed using wavelets”, Journal of Geophysical Research, 111, D05102, doi:10.1029/2005JD005996.

Conference Papers

Westra, S., Pui, A. & Sharma, A., 2009, “Assessing the quality of generated continuous rainfall sequences”, submitted to the Hydrology and Water Resources Symposium.

Westra, S. & Sharma, A., 2009, “Estimating the seasonal predictability of global precipitation – an empirical approach”, 18th World IMACS / MODSIM Congress, Cairns, Australia 13-17 July 2009.

Westra, S., Hill, P., Jordan, P. & Varley, I., 2008, “Recent developments in climate science – implications for Australian flood guidelines”, Stormwater Industry Association conference, Sunshine Coast Queensland.

Westra, S. and Ball, JE, 2008, “On the propagation of errors in catchment modelling systems”, Proc. 11th ICUD, Edinburgh, Scotland, published as a CD.
Ball, J.E. & Westra, S., 2007, “The propagation of errors in catchment modelling systems”, Proc. XXX1 IAHR Congress, Venice, Italy, published as a CD.

Westra, S., Sharma, A., Brown, C. & Lall, U., 2006, “Stochastic generation of rainfall and streamflow time series at multiple sites using independent component analysis”, 30th Hydrology and Water Resources Symposium, 4-7 December 2006, Launceston.

Westra, S. & Sharma, S., 2005, “An exploratory study of seasonal rainfall in Australia using independent component analysis”, Modelling and Simulation (MODSIM) conference, 12-15 December 2005, Melbourne.

Westra, S. & Sharma, A., 2005, “An investigation of the nature of variability in Australian rainfall using wavelets”, 29th Hydrology and Water Resources Symposium, 20-23 February 2005, Canberra.

Westra, S. & Ball, J.E., 2005, The influence of autocorrelated errors on Catchment Modelling Systems, 29th Hydrology and Water Resources Symposium, Institute of Engineers Australia, Canberra, Australia.

Ball, J.E. & Westra, S., 2004, “On the Propagation of Errors in Catchment Modelling Systems”, Proc. Hydroinformatics 2004, Singapore, pp 340-350.

Miscellaneous

Westra, S., 2009, invited book review for ‘Hydroclimatology: Perspectives and Applications’ by M.L. Shelton, published in Progress in Physical Geography, 33(2).

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