Observations of current and mixing around the shelf break in Pribilof Canyon in the Bering Sea
Gespeichert in:
Verfasser / Beitragende:
[T. Tanaka, I. Yasuda, H. Onishi, H. Ueno, M. Masujima]
Ort, Verlag, Jahr:
2015
Enthalten in:
Journal of Oceanography, 71/1(2015-02-01), 1-17
Format:
Artikel (online)
Online Zugang:
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| 024 | 7 | 0 | |a 10.1007/s10872-014-0256-2 |2 doi |
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| 245 | 0 | 0 | |a Observations of current and mixing around the shelf break in Pribilof Canyon in the Bering Sea |h [Elektronische Daten] |c [T. Tanaka, I. Yasuda, H. Onishi, H. Ueno, M. Masujima] |
| 520 | 3 | |a Tide-induced vertical mixing along the shelf break in the eastern Bering Sea is considered one of the main physical processes that sustain local summertime high biological production. However, observations based on microstructure measurements that show enhanced tidal mixing are scarce. In this study, repeated casts of current and turbulence in the vicinity of the shelf break within Pribilof Canyon were conducted over a day in June 2012, enabling us to evaluate the representativeness of the vertical mixing intensity during oneday and to detect the relationship between turbulence and tidal current. The cross-sectional distributions of the one-day averaged vertical diffusivity and the turbulent energy dissipation rate showed that strong vertical mixing occurred at the subsurface within about 15km of the shelf break and near the seabed of the outer shelf. This result agrees with prior observations that were made by us and based on a single profile at each station, which indicated that the observed spatial pattern of turbulence is robust. Diurnal and semidiurnal tidal currents dominated the flow variations off the shelf break, and a statistically significant positive correlation was detected between the vertical shear of the horizontal tidal currents and the turbulent energy dissipation rate. This result suggests that the high turbulent energy dissipation and the enhanced vertical mixing off the shelf break were induced by the strong vertical shear of tidal currents. | |
| 540 | |a The Oceanographic Society of Japan and Springer Japan, 2014 | ||
| 690 | 7 | |a Vertical turbulent mixing |2 nationallicence | |
| 690 | 7 | |a Microstructure observation |2 nationallicence | |
| 690 | 7 | |a Tidal current |2 nationallicence | |
| 690 | 7 | |a Pribilof Canyon |2 nationallicence | |
| 700 | 1 | |a Tanaka |D T. |u Atmosphere and Ocean Research Institute, The University of Tokyo, 5-1-5 Kashiwanoha, 277-8564, Kashiwa, Chiba, Japan |4 aut | |
| 700 | 1 | |a Yasuda |D I. |u Atmosphere and Ocean Research Institute, The University of Tokyo, 5-1-5 Kashiwanoha, 277-8564, Kashiwa, Chiba, Japan |4 aut | |
| 700 | 1 | |a Onishi |D H. |u Faculty of Fisheries Science, Hokkaido University, 3-1-1 Minato-cho, 041-8611, Hakodate, Hokkaido, Japan |4 aut | |
| 700 | 1 | |a Ueno |D H. |u Faculty of Fisheries Science, Hokkaido University, 3-1-1 Minato-cho, 041-8611, Hakodate, Hokkaido, Japan |4 aut | |
| 700 | 1 | |a Masujima |D M. |u National Research Institute of Fisheries Science, Fisheries Research Agency, 2-12-4 Fukuura, Kanazawa, 236-8648, Yokohama, Kanagawa, Japan |4 aut | |
| 773 | 0 | |t Journal of Oceanography |d Springer Japan |g 71/1(2015-02-01), 1-17 |x 0916-8370 |q 71:1<1 |1 2015 |2 71 |o 10872 | |
| 856 | 4 | 0 | |u https://doi.org/10.1007/s10872-014-0256-2 |q text/html |z Onlinezugriff via DOI |
| 898 | |a BK010053 |b XK010053 |c XK010000 | ||
| 900 | 7 | |a Metadata rights reserved |b Springer special CC-BY-NC licence |2 nationallicence | |
| 908 | |D 1 |a research-article |2 jats | ||
| 949 | |B NATIONALLICENCE |F NATIONALLICENCE |b NL-springer | ||
| 950 | |B NATIONALLICENCE |P 856 |E 40 |u https://doi.org/10.1007/s10872-014-0256-2 |q text/html |z Onlinezugriff via DOI | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Tanaka |D T. |u Atmosphere and Ocean Research Institute, The University of Tokyo, 5-1-5 Kashiwanoha, 277-8564, Kashiwa, Chiba, Japan |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Yasuda |D I. |u Atmosphere and Ocean Research Institute, The University of Tokyo, 5-1-5 Kashiwanoha, 277-8564, Kashiwa, Chiba, Japan |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Onishi |D H. |u Faculty of Fisheries Science, Hokkaido University, 3-1-1 Minato-cho, 041-8611, Hakodate, Hokkaido, Japan |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Ueno |D H. |u Faculty of Fisheries Science, Hokkaido University, 3-1-1 Minato-cho, 041-8611, Hakodate, Hokkaido, Japan |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Masujima |D M. |u National Research Institute of Fisheries Science, Fisheries Research Agency, 2-12-4 Fukuura, Kanazawa, 236-8648, Yokohama, Kanagawa, Japan |4 aut | ||
| 950 | |B NATIONALLICENCE |P 773 |E 0- |t Journal of Oceanography |d Springer Japan |g 71/1(2015-02-01), 1-17 |x 0916-8370 |q 71:1<1 |1 2015 |2 71 |o 10872 | ||