Seawater Chemistry from the North Pole Environmental
Observatory, 2000-2005 This data set includes diverse
measurements of seawater chemistry along with supplementary
conductivity, temperature, depth (CTD); pressure; salinity;
potential temperature; and density data from the Arctic Ocean
near the North Pole. Measurements were taken from sea ice
platforms each April or May from 2000-2005. Investigators used a
CTD-O2 system to measure seawater conductivity, temperature,
depth, and dissolved oxygen content, and collected Niskin bottle
samples for measurements of salinity, oxygen isotope
composition, and concentrations of phosphate, silicic acid,
nitrate, nitrite, ammonium, and barium. The available in situ
dissolved oxygen measurements were collected beginning in 2002.
The North Pole Environmental Observatory (NPEO) is a year-round,
automated scientific observatory, deploying various instruments
each April in order to learn how the world's northernmost sea
helps regulate global climate. It consists of a set of u