Pour Une Hydrologie Régénérative

Missions

Monitoring of regenerative hydrology experiments applied to pilot sites and deployment on a regional scale

The setec Foundation’s Annual Campaign 2024 focused on the theme: “Water surplus or shortage in relation to climate change”.

The Pour Une Hydrologie Régénérative association, working in 5 pilot communities in France, is the winner of this 4th edition with a project entitled “Monitoring experiments in regenerative hydrology applied to pilot sites and deployment on a regional scale”.

The project

 

Context :

Drought conditions—whether climatic, hydrological, or agricultural—such as those observed in 2022 and 2023, are being significantly accelerated by climate change. However, these phenomena primarily highlight one key issue: the lack of water resilience in territories.

Many water-related issues (droughts, water shortages, floods, wildfires, erosion, etc.) are first and foremost symptoms of a degradation of the water cycles. Their origins can be traced to human activities, management, and land use—both past and present. Drawing on Falkenberg’s distinction, this degradation affects both major types of water: blue water (surface freshwater or groundwater) and green water (water contained in and circulating through soils and vegetation).

Water management challenges are traditionally addressed at the territorial level, often within watersheds that encompass multiple local authorities. In a similar dynamic to Territorial Food Plans, the challenges related to water resilience and climate change could be tackled through Territorial Water Cycle Regeneration Plans (TWCRPs). The ideal scale for implementing these plans lies at the level of municipalities, intercommunal groups, or metropolitan areas—not too small to remain effective, yet not too large for simplified governance.

Project Objective

The project aims to develop Territorial Water Cycle Regeneration Plans (TWCRPs) to contribute to the water resilience of territories. It will support the creation of a publicly accessible methodological guide and provide feedback from pilot experiences, helping any local authority interested in pursuing a water resilience strategy.

The planned actions include:

  • Promoting regenerative hydrology approaches among territorial stakeholders;
  • Defining, proposing, and implementing TWCRPs;
  • Measuring and disseminating the impacts of these initiatives;
  • Collecting and sharing knowledge at all levels.

 

Innovation at the Core of the Project: A Four-Pillar Approach

Each pilot territory will develop a tailored strategy to regenerate the water cycles within its watershed. Four main pillars are proposed to structure these initiatives, forming the foundation of a Territorial Water Cycle Regeneration Plan (TWCRP):

  1. Water Cycle Regeneration Master Plan:
    Conducting a comprehensive territorial assessment, followed by the development of a master plan incorporating hydrological and agroforestry components with a long-term vision.

  2. Territorial Dialogue:
    A process that includes a capacity-building phase and a consultation phase to engage local stakeholders.

  3. Studies and Field Projects:
    Conducting research, providing support, and implementing projects and works in the territory, aligned with the master plan.

  4. Monitoring, Measurement, and Promotion:
    Measuring the impacts of TWCRPs on the water resilience of the territory using dedicated indicators. This pillar also focuses on promoting the initiatives and their effects, facilitating feedback sharing, and encouraging adoption by other territories.

These four pillars aim to establish a coherent and integrated approach to water cycle regeneration, ensuring long-term resilience and sustainability for local water resources.

 

Crédit : PUHR
Crédit : PUHR

Innovation at the Core of the Project: A Four-Pillar Approach

Each pilot territory will develop a tailored strategy to regenerate the water cycles within its watershed. Four main pillars are proposed to structure these initiatives, forming the foundation of a Territorial Water Cycle Regeneration Plan (TWCRP):

  • Water Cycle Regeneration Master Plan:
    Conducting a comprehensive territorial assessment, followed by the development of a master plan incorporating hydrological and agroforestry components with a long-term vision.

  • Territorial Dialogue:
    A process that includes a capacity-building phase and a consultation phase to engage local stakeholders.

  • Studies and Field Projects:
    Conducting research, providing support, and implementing projects and works in the territory, aligned with the master plan.

  • Monitoring, Measurement, and Promotion:
    Measuring the impacts of TWCRPs on the water resilience of the territory using dedicated indicators. This pillar also focuses on promoting the initiatives and their effects, facilitating feedback sharing, and encouraging adoption by other territories.

These four pillars aim to establish a coherent and integrated approach to water cycle regeneration, ensuring long-term resilience and sustainability for local water resources.

Impacts

Environmental Impacts

  • Soil rehydration
  • Improved drought resilience
  • Groundwater recharge
  • Runoff prevention
  • Flood mitigation
  • Biodiversity preservation and development

Instrumentation Objective: Measure these effects to demonstrate the effectiveness of regenerative hydrology in urban environments.

Knowledge Sharing

  • Collecting and sharing feedback to expand practices to other territories.

Social Impacts on a Local Scale

  • Immediate benefits for local communities and farmers through improved hydrological resilience.

Collaboration with Aix-Marseille University: Studying social effects and behavioral change to encourage wider adoption of best practices.

Network of Territories

  • Strengthening the commitment of other territories through shared experiences and joint projects.

The Role of the Setec Foundation

The Setec Foundation is providing financial support of €44,000 for monitoring and measurement activities, including the purchase of sensors and necessary instruments.

Setec employees Clément Minvielle (Setec Ferroviaire) and Constance Laloye (Setec Énergie Environnement) are acting as project ambassadors and will ensure local coordination.

Expertises

Key figures

44 000 euros