Articles | Volume 11, issue 3
Research article
22 Jun 2015
Research article |  | 22 Jun 2015

Circulation, eddies, oxygen, and nutrient changes in the eastern tropical South Pacific Ocean

R. Czeschel, L. Stramma, R. A. Weller, and T. Fischer


Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Short summary
Mean circulation in the eastern tropical South Pacific in 50-600m depth is modified by seasonal variability and eddies on the poleward side of the oxygen minimum zone(OMZ). Floats with parking depth at 400m show westward flow in the equatorial channel, sluggish flow in the northern part of the OMZ, and passage of eddies with oxygen anomalies. Net community production rates were estimated from a float. Oxygen decrease in 50-300m depth since 1976 is related to an increase in nitrate and phosphate.