I found this article[1] much easier to understand, it was linked as related to OP's article. [1] https://academic.oup.com/gji/article/180/2/858/690652?login=fa

I found this article[1] much easier to understand, it was linked as related to OP's article. [1] https://academic.oup.com/gji/article/180/2/858/690652?login=false https://academic.oup.com/gji/article/180/2/858/690652?login=...