Thibaut Lachaut

ORCID: 0000-0003-2279-9864
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About
Contact & Profiles
Research Areas
  • Water resources management and optimization
  • Flood Risk Assessment and Management
  • Water-Energy-Food Nexus Studies
  • Transboundary Water Resource Management
  • Hydrology and Watershed Management Studies
  • Hydrology and Drought Analysis
  • Water Systems and Optimization
  • Water Governance and Infrastructure
  • Infrastructure Resilience and Vulnerability Analysis
  • Hydrological Forecasting Using AI
  • Smart Grid Energy Management
  • Child Nutrition and Water Access
  • Simulation Techniques and Applications
  • demographic modeling and climate adaptation

Université Laval
2016-2024

Limited water availability, population growth, and climate change have resulted in freshwater crises many countries. Jordan's situation is emblematic, compounded by conflict-induced shocks. Integrating knowledge across hydrology, climatology, agriculture, political science, geography, economics, we present the Jordan Water Model, a nationwide coupled human-natural-engineered systems model that used to evaluate security under socioeconomic changes. The complex simulates trajectory of system,...

10.1073/pnas.2020431118 article EN cc-by-nc-nd Proceedings of the National Academy of Sciences 2021-03-29

Abstract Scarce and unreliable urban water supply in many countries has caused municipal users to rely on transfers from rural wells via unregulated markets. Assessments of this pervasive re-allocation institution its impacts aquifers, consumer equity affordability are lacking. We present a rigorous coupled human–natural system analysis rural-to-urban tanker market demand Jordan, quintessential example nation relying heavily such markets, fed by predominantly illegal abstractions. Employing...

10.1038/s41893-023-01177-7 article EN cc-by Nature Sustainability 2023-08-14

Unreliable and unequal public water supply already affects around one billion urban residents the world. In many cities, informal markets have emerged to fill gaps by delivering via tanker trucks, depleting scarce rural groundwater sources. A quintessential example of this can be found in highly water-scarce country Jordan. Jordan, intermittent rapid growth led a surge uncontrolled abstractions pervasive illegal markets. Here, we use rigorous coupled human-natural systems model assess range...

10.5194/egusphere-egu24-16397 preprint EN 2024-03-09

Abstract. Several alternatives have been proposed to shift the paradigms of water management under uncertainty from predictive decision-centric. An often mentioned tool is stress-test response surface; mapping system performance a large sample future hydro-climatic conditions. Dividing this exposure space between success and failure requires clear targets. In practice, however, stakeholders decision-makers may be confronted with ambiguous objectives for which there are no clearly-defined...

10.5194/hess-2020-214 article EN cc-by 2020-07-01

Abstract. Several alternatives have been proposed to shift the paradigms of water management under uncertainty from predictive decision-centric. An often-mentioned tool is stress-test response surface, mapping system performance a large sample future hydro-climatic conditions. Dividing this exposure space between acceptable and unacceptable states requires criterion defined by threshold. In practice, however, stakeholders decision-makers may be confronted with ambiguous objectives for which...

10.5194/hess-2020-646 article EN cc-by 2021-01-06

Abstract. Several alternatives have been proposed to shift the paradigms of water management under uncertainty from predictive decision-centric. An often-mentioned tool is response surface mapping system performance with a large sample future hydroclimatic conditions through stress test. Dividing this exposure space between acceptable and unacceptable states requires criterion defined by threshold. In practice, however, stakeholders decision-makers may be confronted ambiguous objectives for...

10.5194/hess-25-6421-2021 article EN cc-by Hydrology and earth system sciences 2021-12-20

We would like to thank the referee for this thorough review."Lachaut and Tilmant introduce concept of "possibilistic surfaces" describe conditions under which success or failure a water resources system is possible, where regions "possibility" are defined in three different ways: 1) using logistic regression defining as predicts C1

10.5194/hess-2020-214-ac2 preprint EN 2020-09-24

This paper develops new approaches for bottom-up decision making considering joint uncertainties in the system response surface and performance target.Three methods are proposed: a fuzzy logistic regression, an analytical approximation, convex hull method.A case study of flood risk Canada is used to illustrate C1 HESSD

10.5194/hess-2020-214-ac1 preprint EN 2020-09-24
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