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Hydro-Meteorological Uncertainty Quantification for Water Resources Planning and Management: Advances in Synthetic Forecasting and Stochastic Watershed Models- [electronic resource]
Hydro-Meteorological Uncertainty Quantification for Water Resources Planning and Managemen...
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Hydro-Meteorological Uncertainty Quantification for Water Resources Planning and Management: Advances in Synthetic Forecasting and Stochastic Watershed Models- [electronic resource]
자료유형  
 학위논문파일 국외
최종처리일시  
20240214100117
ISBN  
9798379711382
DDC  
628
저자명  
Brodeur, Zachary Paul.
서명/저자  
Hydro-Meteorological Uncertainty Quantification for Water Resources Planning and Management: Advances in Synthetic Forecasting and Stochastic Watershed Models - [electronic resource]
발행사항  
[S.l.]: : Cornell University., 2023
발행사항  
Ann Arbor : : ProQuest Dissertations & Theses,, 2023
형태사항  
1 online resource(233 p.)
주기사항  
Source: Dissertations Abstracts International, Volume: 84-12, Section: B.
주기사항  
Advisor: Steinschneider, Scott.
학위논문주기  
Thesis (Ph.D.)--Cornell University, 2023.
사용제한주기  
This item must not be sold to any third party vendors.
초록/해제  
요약Accounting for hydro-meteorological uncertainty in water resources systems analysis (WRSA) is fundamental to robust system design and operations. As water resources systems become more stressed due to factors like complex human population demands and climate change, the need for faithful representation of this uncertainty is increasingly more salient. Going forward, the challenge of adapting these systems to new hydro-meteorological regimes further underscores the importance of attempting to understand and model emergent properties of this uncertainty. Moreover, the continued evolution of water resources management and planning strategies make legacy methods of hydro-meteorological uncertainty characterization inadequate. In this study, we develop novel methodologies to address these emerging requirements for uncertainty modeling brought about both by new adaptation strategies (e.g. forecast informed operations) and the need to address anthropogenic non-stationarity in hydro-meteorological errors. We first develop a modeling approach to produce synthetic forecasts, which are emulations of hindcasts produced by computationally demanding meteorological and hydrological forecast models. This computational demand and short period of availability (~1980 to present) severely limit the utility of the native hindcasts for robust system analysis and design. Synthetic forecasts can be generated anywhere observations exist with manageable computational effort allowing for a much richer characterization of forecast uncertainty. We extend this effort to hydrologic ensemble forecasts that underpin current efforts to implement forecast informed reservoir operations (FIRO) in the western U.S. Through operational testing with the latest FIRO operations model, we show that these synthetic forecasts both faithfully replicate operational behaviors of the original hindcasts and elucidate system vulnerabilities. Finally, we address emergent properties of hydro-meteorological uncertainty through an idealized 'model-as-truth' experimental design that shows the effect of climate shifts on hydrologic uncertainty. We then develop a hybrid machine learning-statistical approach that can capture these shifts in uncertainty through model state relationships and propagate it into new simulations through a stochastic watershed model (SWM) architecture. Overall, the methodological advances forwarded in this work provide a rich suite of hydro-meteorological uncertainty modeling tools to address fundamental challenges in the critically important sphere of water resources systems adaptation.
일반주제명  
Environmental engineering.
일반주제명  
Water resources management.
일반주제명  
Hydrologic sciences.
키워드  
Climate change
키워드  
Forecast informed reservoir operations
키워드  
Hydrologic uncertainty
키워드  
Non-stationarity
키워드  
Stochastic watershed models
키워드  
Synthetic forecasts
기타저자  
Cornell University Civil and Environmental Engineering
기본자료저록  
Dissertations Abstracts International. 84-12B.
기본자료저록  
Dissertation Abstract International
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