User blog comment:SpaceF/The Terrafarmers, jump in !/@comment-37144291-20181009113900

https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/1999JE900010

https://www.sciencedirect.com/science/article/pii/S0273117702006580

https://www.sciencedirect.com/science/article/pii/S0094576515004294

Have a look at it !!