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Science 16 December 1983:
Vol. 222. no. 4629, pp. 1244 - 1246
DOI: 10.1126/science.222.4629.1244
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Articles

Nitrous Oxide Production in Nearshore Marine Sediments

SYBIL P. SEITZINGER 1, MICHAEL E. Q. PILSON 1, and SCOTT W. NIXON 1

1 Graduate School of Oceanography, University of Rhode Island, Kingston 02881

Coastal marine sediments are shown to be a net source of nitrous oxide. The rates of nitrous oxide flux from sediments in Narragansett Bay, Rhode Island, ranged from 20 to more than 900 nanomoles per square meter per hour. Sediments from a eutrophic area had higher rates of net nitrous oxide production than sediments from relatively unpolluted sites. The benthic, nitrous oxide source exceeds the nitrous oxide source to the bay from sewage treatment plant effluent.

Submitted on July 20, 1981
Accepted on October 6, 1983


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