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HydroloGIS

HydroloGIS specifies, ranks and prioritises natural solutions to water problems such as drought, flooding and pollution.

March 2021
July 2025

HydroloGIS

HydroloGIS specifies, ranks and prioritises natural solutions to water problems such as drought, flooding and pollution.

  • World Alliance Member
  • Featured Solution
  • Labelled Solution
Label Date July 16, 2025
From United Kingdom
Maturity stage TRL 9 / CRI 3-4 - Commercial Scale Up / Multiple commercial Applications

The Solution identifies, ranks and prioritises all potential nature-based solutions to flooding, diffuse pollution, erosion/siltation and drought (water replenishment). Outputs can be integrated with other objectives, such as carbon sequestration or biodiversity enhancement, to deliver a full systems approach from mountains to cities and coasts. HydroloGIS added value is unique in the fact that its results cannot be created using standard GIS or hydrological methods because these cannot identify what type of interventions to create; they cannot prioritise or rank solutions; and they often suggest spending resources in inefficient locations. HydroloGIS is a ranking system and so is highly robust to data inputs, meaning it can be applied worldwide, even in data-poor regions.

The Environmental Benefits

  • HydroloGIS is extremely effective at solving water problems through nature restoration: drought, flooding, water pollution. It can do this for a single field or an entire country.
  • HydroloGIS outputs are perfect for participatory design, so reduce consultation times and objections by up to 2 years. It also helps people make their own, informed decisions about what happens in their community or area.
  • HydroloGIS prevents underperformance of nature-based projects by up to 50% compared to other planning systems. This stops money being wasted and ensures the problems at hand are solved as well as possible.
  • Nature-based Solutions can save 95% carbon emissions of hard engineered solutions to achieve same protection
  • Using nature to solve water problems can reduce carbon emissions by 1,000s tons per project
  • Using nature to solve water problems can help reverse the biodiversity crisis. HydroloGIS has identified over 50,000sqkm of natural interventions to solve local water problems
  • Intelligent use of natural solutions crowds-in funding for nature through securing good returns on investment, potentially unlocking $billions worldwide

The Financial Benefits

  • The £10/sqkm HydroloGIS base price makes it highly affordable for small organisations and NGOs. Standard hydrological and hydraulic methods can be over 10 times as expensive.
  • HydroloGIS stops the up to 50% failure of nature-based projects for water that standard design techniques deliver
  • HydroloGIS outputs are simple to understand and require no specific training or expertise to use, which is often not the case for alternatives
  • HydroloGIS-designed projects can deliver a cost:benefit ration of 1:30, even when considering direct benefits alone

Target client profile

Activity Region

  • Headquarters
  • Activity

Company Profile

Viridian

Sophisticated modelling to maximize the benefits we get from nature: climate resilience, water, carbon and wellbeing.

Headquarters Coppice Rd, Horsham RH12 4JP, UK
Type Company
View company profile Solution website

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The information set out above, is solely for the purposes of information and the Solar Impulse Foundation does not provide any guarantee as to its authenticity, completeness or accuracy. This information does not constitute investment advice or a recommendation to buy into, transact or to enter into any agreement with any of the parties or persons mentioned above. Potential investors or interested parties are solely responsible for their investment or business decisions and for performing any due diligence required by the circumstances. The innovator Viridian has asserted ownership of the intellectual property rights for images, videos, and content showcased above, affirming full and unrestricted usage rights, and has provided explicit permission for the Solar Impulse Foundation to publish such information designated as "public" in the application form.