Full metadata record
DC Field | Value | Language |
---|---|---|
dc.contributor.author | 현정호 | - |
dc.date.accessioned | 2019-05-22T01:49:47Z | - |
dc.date.available | 2019-05-22T01:49:47Z | - |
dc.date.issued | 2018-03 | - |
dc.identifier.citation | LIMNOLOGY AND OCEANOGRAPHY, v. 63, No. S1, Page. 410-424 | en_US |
dc.identifier.issn | 0024-3590 | - |
dc.identifier.uri | https://aslopubs.onlinelibrary.wiley.com/doi/full/10.1002/lno.10750 | - |
dc.identifier.uri | https://repository.hanyang.ac.kr/handle/20.500.11754/105419 | - |
dc.description.abstract | Experimental determinations of nitrogen cycling in deep-sea sediments are strongly underrepresented in the databases. To investigate the total N2 production rates and relative contribution of denitrification and anaerobic ammonium oxidation (anammox) to benthic fixed-N removal processes, we conducted 15N isotope-labeling incubation experiments in whole cores and slurries at nine stations across the continental margin from the shelf (˂ 200 m) and into the deep (˃ 2000 m) Ulleung Basin (UB) in the East Sea. The total N2 production rates (anammox plus denitrification) in the center of the UB (8.4 ± 0.2 μmol N m−2 h−1) were high compared to most other deep-sea sediments at similar water depths. Denitrification rates decreased from the shelf (7.6 ± 0.6 μmol N m−2 h−1) to the basin (3.2 ± 0.4 μmol N m−2 h−1), in proportion to benthic oxygen consumption, whereas anammox rates remained relatively constant or even increased slightly (1.3–4.1 μmol N m−2 h−1). The contribution of anammox to the total N2 production (ra) increased with increasing water depth from the shelf (ca. 17%) to the basin (ca. 56%). The enhanced ra in the center of the UB was associated with an increased availability of nitrite for anammox, which was likely a result of the competitive suppression of denitrification by manganese reduction under MnO2-rich conditions. Our results emphasize the importance of anammox as a sink for reactive nitrogen in deep-sea sediments and contribute toward a mechanistic understanding of the factors controlling benthic reactive nitrogen loss in the ocean. | en_US |
dc.description.sponsorship | We thank the crew on board the R/V Onnuri, the R/V Haeyang 2000, the R/V Tamyang, and the R/V Ieodo. We also thank Laura Bristow for help with IRMS analysis and J. S. Hwang for helpful comments to improve this manuscript. This research was a part of the project titled "Korean Long-term Marine Ecological Research (K-LTMER)" and "Deep Water Circulation and Material Cycling in the East Sea" funded by the Ministry of Oceans and Fisheries, Korea. Overall process on the experimental design for N<INF>2</INF> production measurements, analysis data interpretation were performed as a part of international collaborative research program between National Research Foundation of Korea (NRF-2012-013- 2012S1A2A1A01030760) and projects funded by the Danish National Research Foundation (DNRF53) and the Danish Council for Independent Research. | en_US |
dc.language.iso | en_US | en_US |
dc.publisher | WILEY | en_US |
dc.subject | ANAEROBIC AMMONIUM OXIDATION | en_US |
dc.subject | ORGANIC-CARBON OXIDATION | en_US |
dc.subject | INTACT SEDIMENT CORES | en_US |
dc.subject | OXYGEN MINIMUM ZONE | en_US |
dc.subject | MARINE-SEDIMENTS | en_US |
dc.subject | SULFATE REDUCTION | en_US |
dc.subject | EAST/JAPAN SEA | en_US |
dc.subject | BENTHIC DENITRIFICATION | en_US |
dc.subject | ESTUARINE SEDIMENT | en_US |
dc.subject | SURFACE SEDIMENTS | en_US |
dc.title | N2 production through denitrification and anammox across the continental margin (shelf–slope–rise) of the Ulleung Basin, East Sea | en_US |
dc.type | Article | en_US |
dc.relation.no | S1 | - |
dc.relation.volume | 63 | - |
dc.identifier.doi | 10.1002/lno.10750 | - |
dc.relation.page | 410-424 | - |
dc.relation.journal | LIMNOLOGY AND OCEANOGRAPHY | - |
dc.contributor.googleauthor | Na, Taehee | - |
dc.contributor.googleauthor | Thamdrup, Bo | - |
dc.contributor.googleauthor | Kim, Bomina | - |
dc.contributor.googleauthor | Kim, Sung-Han | - |
dc.contributor.googleauthor | Vandieken, Verona | - |
dc.contributor.googleauthor | Kang, Dong-Jin | - |
dc.contributor.googleauthor | Hyun, Jung-Ho | - |
dc.relation.code | 2018002165 | - |
dc.sector.campus | E | - |
dc.sector.daehak | COLLEGE OF SCIENCE AND CONVERGENCE TECHNOLOGY[E] | - |
dc.sector.department | DEPARTMENT OF MARINE SCIENCE AND CONVERGENCE ENGINEERING | - |
dc.identifier.pid | hyunjh | - |
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