Earth from Space: Uruguay River Wetlands

©ESA

Earth from Space: Uruguay River Wetlands.

The Copernicus Sentinel-2B satellite takes us along the lower reaches of the brown, sediment-rich Uruguay River.

Here, the river forms the border between Argentina and Uruguay and is the site of the Esteros de Farrapos e Islas del RĂ­o Uruguay wetlands.

Composed of lagoons, swamps and 24 islets, the Esteros are a haven for wildlife, protected as a national park and included on the List of Wetlands of International Importance of the Ramsar Convention.

This wetland system is home to 130 species of fish, 14 species of amphibian, 104 species of bird - a quarter of all birds found in Uruguay - and 15 species of mammal, including the maned wolf, the largest canid (meaning dog-like) species in South America.

A tourist attraction and a waterway for transport, the Esteros also play an important role in regulating flood levels and maintaining water quality, as well as safeguarding the banks of the Uruguay River from erosion.

Visible to the lower left - its built structures shown in grey-white - is the Argentinian town of GualeguaychĂș. On the eastern shore of the Uruguay River is the Uruguayan city of Fray Bentos, an important national harbour, famous for a plant that once exported corned beef around the world. Now inactive, this sprawling industrial complex has become a World Heritage Site.

The dark green area to the east of the Esteros is devoted to forestry, an important industry for the region. A pulp mill is located close to Fray Bentos.

Sentinel-2 is a two-satellite mission to supply the coverage and data delivery needed for Europe's Copernicus environmental monitoring programme. The mission's main instrument has 13 spectral bands, and is designed to provide images that can be used to distinguish different types of vegetation and monitor plant growth.

This image, acquired on 17 August 2018, is also featured on the Earth from Space video programme.

- Download the full high-resolution image.

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