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Technical judgement on water and territory

What we learn measuring rivers, marshes and wetlands, written for those who must decide.

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Clear river running over stones

Environmental flow: the limit that defines a project’s viability

How much water can be abstracted from a river without compromising the ecosystem? Why calculating it precisely determines the approval — and the operation — of a project.

Latest articles

Concrete hydraulic structure over a watercourse

Hydraulics

Modelling in 1D, 2D or 3D: choosing without over-sizing the study

The dimension of the model is not a technical preference: it depends on the decision to be supported and on the data available.

Riparian vegetation on a tropical body of water

Environment and risk

Environmental incidents: the first 72 hours define the evidence

What to measure, where and how often when an unplanned discharge reaches a body of water.

Aerial view of a territory crossed by watercourses

Territory

Incomplete series: how to fill data gaps without inventing information

Cleaning, infilling and validating rainfall and flow series, and when a gap makes field measurement unavoidable.

Panoramic view of a wetland with floating vegetation

Sediment

Bridge scour: why the structure fails and not the design

Sediment transport explains most damage to structures over active watercourses. How to anticipate it.

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