Drying-up of Aculeo Lake (Chile)

The SERTIT team, member of the Theia ‘Mapping and Monitoring of Water Bodiess’ SEC used Sentinel-2 data to document the gradual disappearance of Lake Aculeo, near Santiago, Chile, between February 2016 and March 2019.

The 12 km2 lake, which was 12 km2 deep and 6 m deep in 2011, rapidly declined under the combined pressure of a long drought, tourism and real estate development on its shores and over-consumption of water from its tributaries by large agro-industrial plantations.

The lake level has been at zero since May 2018.

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Publications

World Water Quality: a portal developed for UNESCO, based on a demonstrator on Lake Chad

Theia Colours of the Continental Waters SEC has produced with Magellium a demonstrator based on data from the Lake Chad portal on the quality of continental waters.

02.12.2021

Publications

GEOV2-AVHRR: 2020 data now available

The GEOV2-AVHRR product has been updated for the year 2020. There are now 39 years of global vegetation change data available. 

24.11.2021

Publications

Monitoring of Land Soil Sealing by Remote-Sensing

Discover the work on soil sealing carried out by the TETIS team within Theia Urban SEC. And in particular the new product broadcast on Theia: “Buildings footprint”.

02.11.2021

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