Sfclay+gwdo+shysu : starting from PR8#17

Songyou184 wants to merge 2 commits intoNCAR:mainNCAR/MMM-physics:mainfrom

Songyou184:SFCLAY+GWDO+SHYSUSongyou184/MMM-physics:SFCLAY+GWDO+SHYSUCopy head branch name to clipboard