well the article indicates that many of the observed locations date to over a thousand years old. The take away questions for me, since I am not buying the pape

well the article indicates that many of the observed locations date to over a thousand years old. The take away questions for me, since I am not buying the paper are. What are the changes in sea temperature in the shallow areas the seeps were found? Do we have good measurements across a great many years? How much of a temperature increase is needed to start seepage and how much is needed to stop it once started? It is likely we simply stumbled on something that has been but simply not observed. Not all of the surface is under constant observation and obviously far less of the ocean is