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129 search results for: ais

1

Bilge Dumping? Busted Using Satellite Images and AIS Data

Remember that 92-mile-long bilge dump off Congo and Angola that caught our attention back in April? Envisat ASAR satellite radar image showing bilge-dump slick (long dark streak) off Angola on April 6, 2012. Image courtesy European Space Agency. The bright spot at the left end of the slick is likely the vessel that caused it.  […]

2

Monitoring the tailings dam failure of the Córrego do Feijão mine

On Friday, January 25th, the tailings dam to the Córrego do Feijão mine burst near Brumadinho, State of Minas Gerais, Brazil (the moment of failure was captured on video). Operated by Brazilian mining company Vale S.A., this incident recalls the collapse of Vale’s Samarco Mine in 2015 which unleashed 62 million cubic meters of toxic […]

3

Possible Bilge-dumping Offshore Indonesia

Near the northern tip of Indonesia’s Bangka Belitung Islands (located directly below the yellow box within the inset map of image 1), I spotted a slick that resembles clock hands pointing to the hours 4 and 11. Captured by radar satellite, Sentinel-1, on the evening of January 8, 2019 (22:40 GMT), the slick stretches at […]

5

Taylor Energy Oil Spill: This Is How Change Happens

Recently a front-page article ran in The Washington Post, describing the ongoing, 14-year-long leak of crude oil from hurricane-damaged wells at the former location of an oil platform in the Gulf of Mexico, operated by a company called Taylor Energy.  The article stated that — based on the latest scientific estimates of the leak rate […]