Precipitation extremes and depth-duration-frequency under internal climate variability

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dc.contributor.author Bhatia, Udit
dc.contributor.author Ganguly, Auroop Ratan
dc.date.accessioned 2019-06-29T06:04:56Z
dc.date.available 2019-06-29T06:04:56Z
dc.date.issued 2019-06
dc.identifier.citation Bhatia, Udit and Ganguly, Auroop Ratan, "Precipitation extremes and depth-duration-frequency under internal climate variability", Scientific Reports, DOI: 10.1038/s41598-019-45673-3, vol. 9, no. 1, Jun. 2019. en_US
dc.identifier.issn 2045-2322
dc.identifier.uri https://doi.org/10.1038/s41598-019-45673-3
dc.identifier.uri https://repository.iitgn.ac.in/handle/123456789/4572
dc.description.abstract Natural climate variability, captured through multiple initial condition ensembles, may be comparable to the variability caused by knowledge gaps in future emissions trajectories and in the physical science basis, especially at adaptation-relevant scales and projection horizons. The relations to chaos theory, including sensitivity to initial conditions, have caused the resulting variability in projections to be viewed as the irreducible uncertainty component of climate. The multiplier effect of ensembles from emissions-trajectories, multiple-models and initial-conditions contribute to the challenge. We show that ignoring this variability results in underestimation of precipitation extremes return periods leading to maladaptation. However, we show that concatenating initial-condition ensembles results in reduction of hydroclimate uncertainty. We show how this reduced uncertainty in precipitation extremes percolates to adaptation-relevant-Depth-Duration Frequency curves. Hence, generation of additional initial condition ensembles therefore no longer needs to be viewed as an uncertainty explosion problem but as a solution that can lead to uncertainty reduction in assessment of extremes.
dc.description.statementofresponsibility by Udit Bhatia and Auroop Ratan Ganguly
dc.format.extent vol. 9, no. 1
dc.language.iso en en_US
dc.publisher Springer Nature Publishing en_US
dc.title Precipitation extremes and depth-duration-frequency under internal climate variability en_US
dc.type Article en_US
dc.relation.journal Scientific Reports


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