Research Areas
Research Areas
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My research focuses on hydroclimatic extremes, their drivers, impacts, attribution and projected changes. I work with physical and statistical models and large datasets including, satellite products, reanalysis datasets, and climate model projections.
My research focuses on hydroclimatic extremes, their drivers, impacts, attribution and projected changes. I work with physical and statistical models and large datasets including, satellite products, reanalysis datasets, and climate model projections.
DRIVERS
Riverine floods are triggered by the combination of various natural factors as well as human interventions. The key to understanding future changes lies in the knowledge of flood drivers in the observed climate.
Riverine floods are triggered by the combination of various natural factors as well as human interventions. The key to understanding future changes lies in the knowledge of flood drivers in the observed climate.
Figure shows the probability of widespread flooding in the seven major river basins in India
Wind velocity at 850hPa and vertically integrated moisture transport associated with widespread floods in Krishna river basin, India
Figure shows the relationship between fraction of catchment area receiving extreme precipitation and high flows.
PROJECTIONS
Projected frequency of extreme precipitation and high flows in a warming world.
The probability of hot summers and projected frequency of heatwave days in different climatic zones in India in a warming world.
Projected increase in daily precipitation extremes across CONUS in different emission scenarios.
Daily precipitation extremes are projected to increase under different emission scenarios in the contiguous United States.
Daily precipitation extremes are projected to increase under different emission scenarios in the contiguous United States.
ATTRIBUTION
Employed Bayesian Causal Models for reconciling the causal-correlational disconnect in the attribution of interannual variability in flood peaks.
Employed Bayesian Causal Models for reconciling the causal-correlational disconnect in the attribution of interannual variability in flood peaks.
Novel statistical approaches are used for the attribution of precipitation extremes to climate change.
Novel statistical approaches are used for the attribution of precipitation extremes to climate change.
Change in the probability of occurrence of observed hot summers in India in the counterfactual scenario of zero anthropogenic emissions.
FORECAST
Representation of Bayesian Model used for post-processing streamflow projections from physical models.
IMPACTS
Area affected in the 2022 floods and mass curve showing the extreme nature of precipitation.
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