0,global,WO
1,northern_hemisphere,NH
2,southern_hemisphere,SH
3,Atlantic_Ocean,AO
4,North_Atlantic,NA
5,South_Atlantic,SA
6,Pacific_Ocean,PO
7,North_Pacific,NP
8,South_Pacific,SP
9,Indian_Ocean,IO
10,North_Indian,NI
11,South_Indian,SI