Vital de Oliveira Begins Rio Grande Elevation 2021

March 17, 2021 (Google Translation) – The Hydrographic Research Ship (NPqHo) “Vital de Oliveira” untied on March 12, after the 14 quarantine days and other security protocols against Covid-19 had been completed, towards the Elevation of Rio Grande (ERG), an important region in the southeastern end of the Blue Amazon. During the commission, two multibeam echo sounders, sub-bottom profiler and…

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