Skip to content
Home / Projects / Debris-flow risk study for an urban ravine, Taltal
Rivers

Debris-flow risk study for an urban ravine, Taltal

2D debris-flow modelling to assess the exposure of an urban property.

Region
Antofagasta
Year
2026
Services
River hydraulics and hydrology
Sector
Real estate and subdivisions
Debris-flow hazard map for an urban ravine in Taltal
Debris-flow hazard map for an urban ravine in Taltal
Challenge

Assess whether an urban property in Taltal was exposed to debris flows from nearby ravines.

Solution

We built a 1 m digital terrain model, modelled ravine runoff in 2D and classified hazard by flow depth and velocity.

Tools

HEC-RAS 6.6 (2D), QGIS, orthoimagery.

Related projects

2D velocity map of the Llaquepe river at the bridge, 100-year flood
Los Lagos · Rivers · DGA · SEA

Bridge abutment protection and gravel extraction, Llaquepe river

HEC-RAS 1D and 2D modelling to protect bridge abutments and define a gravel extraction area.

 Map of an address with flood zones, sewers and manholes at overflow risk
Los Lagos · Lab · Drainage

Urban flood risk app

An app combining public sources and SWMM modelling to assess the flood risk of an address.

 Drawing of an intake and outfall structure on a stream for a PAS 157 permit
Los Lagos, Los Ríos and Biobío · DGA · SEA · Rivers

Sectoral environmental permits for hatchery assessments

Hydraulic component of PAS 155, 156 and 157 permits for hatchery environmental assessments, alongside environmental consultancies.

Working on something similar?

Tell us the location, type of works and timeline. We will reply with a scope and a proposal.

Message on WhatsApp Use the contact form