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Title: High nitrite levels off northern Peru: A signal of instability in the marine denitrification rate
Authors: Codispoti, L. A.
Friederich, G. E.
Packard, T. T. 
Glover, H. E.
Kelly, P. J.
Spinrad, R. W.
Barber, R. T.
Elkins, J. W.
Ward, B. B.
Lipschultz, F.
Lostaunau, N.
UNESCO Clasification: 251001 Oceanografía biológica
Issue Date: 1986
Publisher: 0036-8075
Journal: Science 
Abstract: During February and March 1985, nitrite levels along the northern (approximately 7° to 10°S) Peruvian coast were unusually high. These accumulations occurred in oxygen-deficient waters, suggesting intensified denitrification. In a shallow offshore nitrite maximum, concentrations were as high as 23 micromoles per liter (a record high). Causes for the unusual conditions may include a cold anomaly that followed the 1982-83 El Niño. The removal of combined nitrogen (approximately 3 to 10 trillion grams of nitrogen per year) within zones of new or enhanced denitrification observed between 7° to 16°S suggests a significant increase in oceanic denitrification.
ISSN: 0036-8075
DOI: 10.1126/science.233.4769.1200
Source: Science [ISSN 0036-8075], v. 233, p. 1200-1202
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