Monitoring of Rivers in the Amazon Gets Boost with Uiara Vessel, Combining Hydrological Technology, Sustainable Management, Naval Innovation, and National Water Security

Written by Rodrigo Souza

Published on 13/10/2025 at 15:15

O monitoramento dos rios na Amazônia entra em uma nova fase com a chegada da embarcação Uiara, a primeira do tipo criada pela Agência Nacional de Águas e Saneamento Básico (ANA) Foto: SGB

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The New Vessel Uiara Expands River Monitoring in the Amazon, Strengthening Hydrological Research, Sustainable Management, and Technological Innovation in Protecting the Water Resources of the Northern Region

The monitoring of rivers in the Amazon enters a new phase with the arrival of the Uiara vessel, the first of its kind created by the National Water and Basic Sanitation Agency (ANA), according to an article published

The project, operated by the Geological Survey of Brazil (SGB) with support from the 9th Naval District of the Navy, integrates the National Hydrometeorological Network (RHN) and represents an important leap in data collection on flow, water quality, and sediment transport.

This information is essential for planning and integrated management of the water resources of the largest river basin on the planet.

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Hydrological Technology and Efficiency in River Monitoring in the Amazon

Designed for monitoring rivers in the Amazon, the Uiara is equipped with advanced hydrological technology, capable of making precise measurements of flow and water quality parameters.

The structure of the vessel has been adapted to facilitate the use of scientific equipment, providing stability during data collection and safety for field teams.

According to Arthur Moreira de Abreu, head of the Basic Hydrology Division (DIHIBA), the new boat enhances “the quality, safety, and efficiency of campaigns in the Amazon region.”

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Previously, teams had to rent vessels for expeditions that could last more than 20 days. With the Uiara, there will be a reduction in the duration of campaigns and greater reliability in operations.

The project also includes an ongoing partnership with the Brazilian Navy, which provides a crew made up of military personnel, preventive maintenance, and guardianship of the vessel when not in use.

Designed for monitoring rivers in the Amazon, the Uiara is equipped with advanced hydrological technology, capable of making precise measurements of flow and water quality parameters (Photo: SGB)

Sustainable Management and Naval Innovation Strengthen National Water Security

The initiative reinforces the sustainable management of water resources and boosts Brazilian naval innovation, promoting operational efficiency and environmental sustainability.

The Uiara has an equipped kitchen, four double cabins, and an air-conditioned workroom, items that ensure comfort and productivity during long scientific expeditions.

The SGB has also begun construction of the Jaci vessel, with delivery scheduled for 2026 and operation in the Regional Superintendence of Belém (PA).

According to Andrea Germano, head of the Hydrology Department of the SGB, the new unit “represents another important step in strengthening water monitoring infrastructure in Northern Brazil.”

With 12% of the planet’s surface freshwater concentrated in the Amazon, strengthening river monitoring in the Amazon is crucial to enhance national water security, protect ecosystems, and support public policies aimed at environmental preservation.

Monitoring of Rivers in the Amazon Gets Boost with Uiara Vessel, Combining Hydrological Technology, Sustainable Management, Naval Innovation, and National Water Security

The New Vessel Uiara Expands River Monitoring in the Amazon, Strengthening Hydrological Research, Sustainable Management, and Technological Innovation in Protecting the Water Resources of the Northern Region

Hydrological Technology and Efficiency in River Monitoring in the Amazon

Sustainable Management and Naval Innovation Strengthen National Water Security

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Monitoring of Rivers in the Amazon Gets Boost with Uiara Vessel, Combining Hydrological Technology, Sustainable Management, Naval Innovation, and National Water Security

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