Substitution with JGR draft

Substituted Chapter 3 with the two JGR manuscript drafts.
Have not resolved any consistency issues yet
Resolved major inconsistencies

Resolved any major/obvious inconsistencies arised from substituting JGR
drafts directly into Chapter 3 -> 3+4.

Moved all figures from back of chapters to inline.
Corrected Fig 4.1's labeling conflict
Substitution with JGR R4 drafts

Updated manuscript insertions with R4
Edited with inline figures and captions for TOC
Edited for combined abbr+\citep where appropriate
…pending dcn approvals.
Final edit

Pre-submission final edit. It’s done!
Merge branch 'JGR-substitution'