BERLIN—A European satellite designed to monitor environmental changes will also be able to provide early warnings of possible migrant flows at a time when governments on the continent are grappling with an unprecedented influx of people fleeing conflict and poverty elsewhere in the world.
The Sentinel-3A satellite was lifted into orbit by a Russian rocket Tuesday. It is the third of more than a dozen “eyes in the sky” that make up the Copernicus program, which the European Space Agency describes as the most sophisticated Earth observation system ever launched.
Two satellites already in orbit are equipped with radar and high-resolution cameras, to which Sentinel-3A will add instruments for measuring sea and surface temperatures, among other things, said Josef Aschbacher, who oversees the Earth observation program.
Aschbacher said the Copernicus system could also identify areas where people may be gathering to cross the Mediterranean to Europe, though other satellites or drones with greater resolution would be needed to get detailed images and confirm boat-sized objects.
Finding ways to slow the influx of migrants and prevent mass drownings at sea has become a priority for Europe, which last year saw more than a million people arrive on its shores. Some of the migrants were fleeing war and persecution in countries such as Syria and Iraq, while others sought to escape poverty at home.
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