Water Resource Management

Quantum fluid dynamics solution to model integrated hydrological cycle and assess impact of climate change.

OWNER

STATUS

Phase 1 – Outline

QUANTUM APPROACH

Linear Systems of Equations and PDEs

SDGs

CONTRIBUTORS

American University of Beirut

Massachusetts Institute of Technology

ORIRGIN OF CONTRIIBUTORS

 

IMPACT/ CONTEXT

Water scarcity affects approximately 500 million people living in semi-arid developing regions, which experience high precipitation events and flood risks during about 120 days of the year, followed by increasing water shortages for the remainder of the year.

 

In many areas worldwide, particularly in the MENA region, groundwater is the primary source of natural freshwater. Water stress and scarcity are expected to worsen due to growing urbanisation, rising demand and the external pressures of climate change. Therefore, effective management and protection of groundwater quality and quantity at the source, such as wells, springs and aquifers, is essential.

 

Meeting these objectives will help reduce contamination-related outbreaks and address inequalities, especially in the Global South, where water shortages are severe and investments to improve water access are limited. It will also support the preservation of life on land, particularly groundwater-dependent ecosystems like wetlands.

 

HOW QUANTUM COULD HELP

Conventional computational techniques for flow and transport simulations in transient mode typically rely on finite difference or finite element methods to solve 3D flow equations. On classical machines, the complexity of these simulations depends on the spatial dimensions of the karst model, as well as the resolution and level of complexity used to represent the karst’s fractal structure at increasingly finer scales. In short, the closer the simulation approaches physical and geological reality, the greater the computational demands become for evaluating the suitability of substructure models, models that are essential for placing quantifiable constraints on aquifer management.

 

As mathematical models grow more sophisticated (for example, using nonlinear Navier-Stokes equations instead of linear advection-diffusion), and as the resolution of the karst model increases, computational demands will escalate significantly. At this point, alternative computational hardware and approaches, such as quantum computing, may become necessary to meet these challenges.

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Description:

The Open Quantum Institute (OQI) is a multilateral governance initiative that promotes global and inclusive access to quantum computing and the development of applications for the benefit of humanity. As a novel science diplomacy instrument, it brings together research, diplomacy, private sector and philanthropy stakeholders. OQI is hosted by CERN during its pilot phase (2024-2026).

 

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Accelerating applications for humanity: Realising the full potential of quantum computing to have the widest possible societal impact by accelerating the development of use cases geared towards achieving the United Nations’ Sustainable Development Goals (SDGs) and succeeding framework , thanks to the combined forces of researchers, developers and entrepreneurs from academia and private sector as well as the United Nations, and large NGOs
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