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NODC SD2 files must have their extensions changed from ".TXT" to ".sd2".
The Best Data Files
The Arctic and Northern Polar Oceans
Cleaned versions of some of the finest World Ocean vertical section CTD and
bottle data yet obtained, for education and research use. WHP-Basin Scale
World Ocean Atlas (Levitus) Data
Temperature, salinity, oxygen, and nutrient data extracted from the Levitus
et al. WOA averaged property fields; on sub-grids and on vertical sections.
WOA line sections
A library of more than 2000 oceanographic sections developed from the
cruises used in the well-known Reid/Mantyla pre-WOCE (pre-1990s) data
Pre-1990s sections for examining basin-scale ocean water properties, a
collection of Arctic and Nordic Sea data, and a few custom-made data
Access the DPO JOA Examples data files page organized by chapter, also
available in the DPO JOA Examples tab.