Tonga’s volcanic eruption may harm environment for years, scientists say

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AsiaOne has launched EarthOne, a new section dedicated to environmental issues — because we love the planet and we believe science. Find articles like this there. Tonga's massive underwater volcanic eruption could deliver long-lasting damage to coral reefs, erode coastlines and disrupt fisheries, say scientists studying satellite images and looking to the past to project the future of the remote...

Tonga's massive underwater volcanic eruption could deliver long-lasting damage to coral reefs, erode coastlines and disrupt fisheries, say scientists studying satellite images and looking to the past to project the future of the remote region:Since the initial eruption, the volcano has been releasing sulfur dioxide and nitrogen oxide - two gases that create acid rain when they interact with water and oxygen in the atmosphere.

Satellite imagery shows the plume spreading westward, which means Tonga could be spared some of this acid rain though Fiji could then be in its path. Inevitably, the eruption has made the situation worse. Murky, ash-filled water near the volcano will deprive fish of food and wipe out spawning beds. Even before the eruption, Tonga's reefs were threatened by disease outbreaks and the effects of climate change including coral bleaching and increasingly strong cyclones.

 

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