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Environment & Energy

NickB79

(20,406 posts)

4. Until it rots and releases lethal amounts of hydrogen sulfide

Reply to Loki Liesmith (Reply #3)

Wed Jul 10, 2019, 08:14 PM

Jul 2019

https://news.psu.edu/story/211836/2005/02/21/global-warming-led-climatic-hydrogen-sulfide-and-permian-extinction

In the end-Permian, as the levels of atmospheric oxygen fell and the levels of hydrogen sulfide and carbon dioxide rose, the upper levels of the oceans could have become rich in hydrogen sulfide catastrophically. This would kill most the oceanic plants and animals. The hydrogen sulfide dispersing in the atmosphere would kill most terrestrial life.

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Seaweed Could Be Worse Than Ever This Year Thanks to Growing 5,500-Mile Patch of Sargassum [View all] NickB79 Jul 2019 OP

Just curious: is any of this seaweed the kind that is healthy to eat? fierywoman Jul 2019 #1

Wondering if excess CO2 levels are contributing to this growth? NT SWBTATTReg Jul 2019 #2

Hope so Loki Liesmith Jul 2019 #3

Until it rots and releases lethal amounts of hydrogen sulfide NickB79 Jul 2019 #4

A significant fraction of dead sargassum will sink Loki Liesmith Jul 2019 #5