Table 3: Abbreviations of ocean nodes.

Abbr. Full name

ATO Atlantic Ocean
PCOPacific Ocean
INOIndian Ocean
AROArctic Ocean
MSOMediterranean Sea
CBOCaribbean Sea
BSOBlack Sea
ABOArabian Sea
BLOBaltic Sea
NOONorwegian Sea
CPOCaspian Sea
ACOAntarctic Ocean
JPOSea of Japan
NSONorth Sea
RSORed Sea
CSOSouth China Sea
BBOBay of Bengal
GMOGulf of Mexico
GTOGulf of Thailand