Professor Ashish Sharma
Professor

Professor Ashish Sharma

PhD - Civil Engineering (1996) Utah State University

MTech - Water Resources Engineering (1991) IIT Delhi

BEng - Civil Engineering (1989) IIT Roorkee

Engineering
Civil and Environmental Engineering

Professor of Hydrology and Water Resources in the School of Civil and Environmental Engineering

Ashish is a Professor of Civil and Environmental Engineering at the University of New South Wales, Sydney, Australia. He is an engineering hydrologist interested in problems involving  hydrological uncertainty. Much of his research has focussed on the impact of climate change and variability on hydrological practice, along with applications related to remote sensing, formulating stochastic approaches, developing hydrological models, and the two big hydrology bread-and-butter problems - design flood estimation + water resources management.

Ashish has served as the President of the International Commission of Hydrologic Sciences (IAHS) Commission on Statistical Hydrology (STAHY) since 2016.

Ashish has served on the Australian Research Council's College of Experts twice.

Ashish served on the Technical Committee overseeing the development of the Australian Rainfall and Runoff Design Flood Estimation guidelines (ARR2016).

Phone
(+61 2) 9385 5768
Location
Civil Engineering Building (H20) Level 3, Room CE307 Kensington Campus
  • Journal articles | 2020
    Hu H; Yang K; Sharma A; Mehrotra R, 2020, 'Assessment of water and energy scarcity, security and sustainability into the future for the Three Gorges Reservoir using an ensemble of RCMs', Journal of Hydrology, vol. 586, http://dx.doi.org/10.1016/j.jhydrol.2020.124893
    Journal articles | 2020
    Kim Y; Rocheta E; Evans JP; Sharma A, 2020, 'Impact of bias correction of regional climate model boundary conditions on the simulation of precipitation extremes', Climate Dynamics, vol. 55, pp. 3507 - 3526, http://dx.doi.org/10.1007/s00382-020-05462-5
    Journal articles | 2020
    Moradi S; Agostino A; Gandomkar Z; Kim S; Hamilton L; Sharma A; Henderson R; Leslie G, 2020, 'Quantifying natural organic matter concentration in water from climatological parameters using different machine learning algorithms', H2Open Journal, vol. 3, pp. 328 - 343, http://dx.doi.org/10.2166/h2oj.2020.035
    Journal articles | 2020
    Rocheta E; Evans JP; Sharma A, 2020, 'Correcting lateral boundary biases in regional climate modelling: the effect of the relaxation zone', Climate Dynamics, vol. 55, pp. 2511 - 2521, http://dx.doi.org/10.1007/s00382-020-05393-1
    Journal articles | 2020
    Steinfeld CMM; Sharma A; Mehrotra R; Kingsford RT, 2020, 'The human dimension of water availability: Influence of management rules on water supply for irrigated agriculture and the environment', Journal of Hydrology, vol. 588, http://dx.doi.org/10.1016/j.jhydrol.2020.125009
    Journal articles | 2019
    Nury AH; Sharma A; Marshall L; Mehrotra R, 2019, 'Characterising uncertainty in precipitation downscaling using a Bayesian approach', Advances in Water Resources, vol. 129, pp. 189 - 197, http://dx.doi.org/10.1016/j.advwatres.2019.05.018
    Journal articles | 2018
    Pathiraja S; Moradkhani H; Marshall L; Sharma A; Geenens G, 2018, 'Data-Driven Model Uncertainty Estimation in Hydrologic Data Assimilation', Water Resources Research, vol. 54, pp. 1252 - 1280, http://dx.doi.org/10.1002/2018WR022627
    Journal articles | 2018
    Reshmidevi TV; Nagesh Kumar D; Mehrotra R; Sharma A, 2018, 'Estimation of the climate change impact on a catchment water balance using an ensemble of GCMs', Journal of Hydrology, vol. 556, pp. 1192 - 1204, http://dx.doi.org/10.1016/j.jhydrol.2017.02.016
    Journal articles | 2017
    Ajami H; Sharma A; Band LE; Evans JP; Tuteja NK; Amirthanathan GE; Bari MA, 2017, 'On the non-stationarity of hydrological response in anthropogenically unaffected catchments: An Australian perspective', Hydrology and Earth System Sciences, vol. 21, pp. 281 - 294, http://dx.doi.org/10.5194/hess-21-281-2017
    Journal articles | 2017
    Choudhury D; Sen Gupta A; Sharma A; Taschetto AS; Mehrotra R; Sivakumar B, 2017, 'Impacts of the tropical trans-basin variability on Australian rainfall', Climate Dynamics, vol. 49, pp. 1617 - 1629, http://dx.doi.org/10.1007/s00382-016-3405-z
    Journal articles | 2017
    Moalafhi DB; Evans JP; Sharma A, 2017, 'Influence of reanalysis datasets on dynamically downscaling the recent past', Climate Dynamics, vol. 49, pp. 1239 - 1255, http://dx.doi.org/10.1007/s00382-016-3378-y
    Journal articles | 2017
    Moalafhi DB; Sharma A; Evans JP, 2017, 'Reconstructing hydro-climatological data using dynamical downscaling of reanalysis products in data-sparse regions – Application to the Limpopo catchment in southern Africa', Journal of Hydrology: Regional Studies, vol. 12, pp. 378 - 395, http://dx.doi.org/10.1016/j.ejrh.2017.07.001
    Journal articles | 2017
    Rocheta E; Evans JP; Sharma A, 2017, 'Can Bias correction of regional climate model lateral boundary conditions improve low-frequency rainfall variability?', Journal of Climate, vol. 30, pp. 9785 - 9806, http://dx.doi.org/10.1175/JCLI-D-16-0654.1
    Journal articles | 2016
    Ajami H; sharma A; Band LE; Evans JP; Tuteja NK; Amirthanathan GE; Bari MA, 2016, 'On the non-stationarity of hydrological response in anthropogenically unaffected catchments: An Australian perspective', , http://dx.doi.org/10.5194/hess-2016-353
    Journal articles | 2016
    Cortés-Hernández VE; Zheng F; Evans J; Lambert M; Sharma A; Westra S, 2016, 'Evaluating regional climate models for simulating sub-daily rainfall extremes', Climate Dynamics, vol. 47, pp. 1613 - 1628, http://dx.doi.org/10.1007/s00382-015-2923-4
    Journal articles | 2016
    Moalafhi DB; Evans JP; Sharma A, 2016, 'Evaluating global reanalysis datasets for provision of boundary conditions in regional climate modelling', Climate Dynamics, vol. 47, pp. 2727 - 2745, http://dx.doi.org/10.1007/s00382-016-2994-x
    Journal articles | 2016
    Naseem B; Ajami H; Liu Y; Cordery I; Sharma A, 2016, 'Multi-objective assessment of three remote sensing vegetation products for streamflow prediction in a conceptual ecohydrological model', Journal of Hydrology, vol. 543, pp. 686 - 705, http://dx.doi.org/10.1016/j.jhydrol.2016.10.038
    Journal articles | 2016
    Sharma A; Mehrotra R; Li J; Jha S, 2016, 'A programming tool for nonparametric system prediction using Partial Informational Correlation and Partial Weights', Environmental Modelling and Software, vol. 83, pp. 271 - 275, http://dx.doi.org/10.1016/j.envsoft.2016.05.021
    Journal articles | 2016
    Woldemeskel FM; Sharma A; Sivakumar B; Mehrotra R, 2016, 'Quantification of precipitation and temperature uncertainties simulated by CMIP3 and CMIP5 models', Journal of Geophysical Research, vol. 121, pp. 3 - 17, http://dx.doi.org/10.1002/2015JD023719
    Journal articles | 2015
    Clark S; Sarlin P; Sharma A; Sisson SA, 2015, 'Increasing dependence on foreign water resources? An assessment of trends in global virtual water flows using a self-organizing time map', Ecological Informatics, vol. 26, pp. 192 - 202, http://dx.doi.org/10.1016/j.ecoinf.2014.05.012
    Journal articles | 2015
    Gragne AS; Sharma A; Mehrotra R; Alfredsen K, 2015, 'Improving real-time inflow forecasting into hydropower reservoirs through a complementary modelling framework', Hydrology and Earth System Sciences, vol. 19, pp. 3695 - 3714, http://dx.doi.org/10.5194/hess-19-3695-2015
    Journal articles | 2015
    Jha SK; Mariethoz G; Evans J; McCabe MF; Sharma A, 2015, 'A space and time scale-dependent nonlinear geostatistical approach for downscaling daily precipitation and temperature', Water Resources Research, vol. 51, pp. 6244 - 6261, http://dx.doi.org/10.1002/2014WR016729
    Journal articles | 2015
    Steinfeld CMM; Kingsford RT; Webster EC; Sharma A, 2015, 'A simulation tool for managing environmental flows in regulated rivers', Environmental Modelling and Software, vol. 73, pp. 117 - 132, http://dx.doi.org/10.1016/j.envsoft.2015.08.006
    Journal articles | 2014
    Gragne AS; Sharma A; Mehrotra R; Alfredsen K, 2014, 'Improving inflow forecasting into hydropower reservoirs through a complementary modelling framework', Hydrology and Earth System Sciences Discussions, vol. 11, pp. 12063 - 12101, http://dx.doi.org/10.5194/hessd-11-12063-2014
    Journal articles | 2014
    Jiang J; Sharma A; Sivakumar B; Wang P, 2014, 'A global assessment of climate-water quality relationships in large rivers: An elasticity perspective', Science of the Total Environment, vol. 468-469, pp. 877 - 891, http://dx.doi.org/10.1016/j.scitotenv.2013.09.002
    Journal articles | 2014
    Mehrotra R; Evans JP; Sharma A; Sivakumar B, 2014, 'Evaluation of downscaled daily rainfall hindcasts over Sydney, Australia using statistical and dynamical downscaling approaches', Hydrology Research, vol. 45, pp. 226 - 249, http://dx.doi.org/10.2166/nh.2013.094
    Journal articles | 2014
    Rocheta E; Evans JP; Sharma A, 2014, 'Assessing atmospheric bias correction for dynamical consistency using potential vorticity', Environmental Research Letters, vol. 9, http://dx.doi.org/10.1088/1748-9326/9/12/124010
    Journal articles | 2014
    Sharma A; Mehrotra R, 2014, 'An information theoretic alternative to model a natural system using observational information alone', Water Resources Research, vol. 50, pp. 650 - 660, http://dx.doi.org/10.1002/2013WR013845
    Journal articles | 2013
    Jeremiah E; Marshall L; Sisson SA; Sharma A, 2013, 'Specifying a hierarchical mixture of experts for hydrologic modeling: Gating function variable selection', Water Resources Research, vol. 49, pp. 2926 - 2939, http://dx.doi.org/10.1002/wrcr.20150
    Journal articles | 2013
    Mehrotra R; Sharma A; Kumar DN; Reshmidevi TV, 2013, 'Assessing future rainfall projections using multiple GCMS and a multi-site stochastic downscaling model', Journal of Hydrology, vol. 488, pp. 84 - 100, http://dx.doi.org/10.1016/j.jhydrol.2013.02.046
    Journal articles | 2013
    Westra SP; Evans JP; Mehrotra R; Sharma A, 2013, 'A conditional disaggregation algorithm for generating fine time-scale rainfall data in a warmer climate', Journal of Hydrology, vol. 479, pp. 86 - 99, http://dx.doi.org/10.1016/j.jhydrol.2012.11.033
    Journal articles | 2012
    Jeremiah E; Sisson SA; Sharma A; Marshall LA, 2012, 'Efficient hydrological model parameter optimization with Sequential Monte Carlo sampling', Environmental Modelling and Software, vol. 38, pp. 283 - 295, http://dx.doi.org/10.1016/j.envsoft.2012.07.001
    Journal articles | 2012
    Richa O; Kumar DN; Sharma A; Mehrotra R, 2012, 'Assessing Severe Drought and Wet Events over India in a future climate', Journal of Hydrologic Engineering, vol. 18, pp. 760 - 772, http://dx.doi.org/10.1061/(ASCE)HE.1943-5584.0000585
    Journal articles | 2011
    Jeremiah E; Sisson S; Marshall L; Mehrotra R; Sharma A, 2011, 'Bayesian calibration and uncertainty analysis of hydrological models: A comparison of adaptive Metropolis and sequential Monte Carlo samplers', Water Resources Research, vol. 47, pp. W07547 (13pp), http://dx.doi.org/10.1029/2010WR010217
    Journal articles | 2010
    Smith T; Sharma A; Marshall L; Sisson S; Mehrotra R, 2010, 'Development of a formal likelihood function for improved Bayesian inference of ephemeral catchments', Water Resources Research, vol. 46, http://dx.doi.org/10.1029/2010WR009514
    Journal articles | 2005
    Marshall LA; Nott DJ; Sharma A, 2005, 'Hydrological model selection: A Bayesian alternative - art no. W10422', Water Resources Research, vol. 41, pp. 1 - 11

See Australian Research Council grants at https://dataportal.arc.gov.au/NCGP/Web/Grant/Grants#/20/1/-announced/Ashish%20Sharma/ from most recent to older. Ashish is frequently awarded other (non-ARC) grants, many funded directly from Government and other agencies.

2019 - President's Prize, Institution of Engineer's Australia in relation to service on Technical Committee revising ARR2016 

2011 - Australian Research Council Future Fellowship (level 3) on representing low-frequency variability in hydro-climatic simulations

See details of recent research projects and activities, along with graduated PhDs, on http://www.hydrology.unsw.edu.au/

My Research Supervision

See recent papers. Most of the first authors are either PhD students or postdoctoral fellows. See also many papers where the first author is an undergraduate or coursework masters student reporting the work in his/her honours thesis.

See also past graduated PhDs at http://www.hydrology.unsw.edu.au/phd-graduates