Arctic Council The Northern Forum Arctic Environmental Atlas Interactive map NOAA Arctic Theme Page Daily Arctic Ocean Rawinsonde Data from Soviet Drifting
ఏర్పడిన మేఘాల వలన కూడా ఏర్పడవచ్చును. NGDC - NOAA. "Volcanic Lightning". National Geophysical Data Center - NOAA. Munoz, Rene (2003). "Factsheet: Lightning"
దినం మెరైన్ బయాలజీ పెలాజిక్ జోన్ దక్షిణ మహాసముద్రం https://oceanservice.noaa.gov/facts/howmanyoceans.html "Ocean Archived 2007-03-03 at the Wayback Machine"
Wayback Machine from Geography.About.com NOAA In-situ Ocean Data Viewer Plot and download ocean observations NOAA FAQ about the number of oceans 70°S 150°W