| DOI: | 10.1002/2016GL069106
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| 论文题名: | Turbulent mixing, restratification, and phytoplankton growth at a submesoscale eddy |
| 作者: | Taylor J.R.
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| 刊名: | Geophysical Research Letters
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| ISSN: | 0094-8972
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| EISSN: | 1944-8703
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| 出版年: | 2016
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| 卷: | 43, 期:11 | | 起始页码: | 5784
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| 结束页码: | 5792
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| 语种: | 英语
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| 英文关键词: | phytoplankton
; submesoscales
; turbulence
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| Scopus关键词: | Heat flux
; Large eddy simulation
; Mixing
; Turbulence
; Constant surface heat fluxes
; Mixed layer depths
; Phytoplankton growth
; Small scale turbulence
; Sub-mesoscale eddies
; Submesoscales
; Turbulent diffusivities
; Turbulent mixing
; Phytoplankton
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| 英文摘要: | High-resolution large-eddy simulations are used to study the influence of submesoscale mixed layer instability and small-scale turbulence on phytoplankton growth in light-limited conditions. Four simulations are considered with small-scale turbulence driven by varying levels of surface cooling. Significant small-scale turbulence is seen even without surface forcing, and the downward mixing of phytoplankton is sufficient to briefly delay the developing bloom. Moderate and strong values of the constant surface heat flux (Q =− 10,−100 W/m2) are sufficient to prevent a bloom. In contrast to the critical depth hypothesis, the growth rate for phytoplankton does not appear to be controlled by the mixed layer depth. Instead, a comparison between the turbulent diffusivity above the compensation depth and a critical value predicted by the critical turbulence hypothesis closely matches the timing and magnitude of phytoplankton growth. ©2016. American Geophysical Union. All Rights Reserved. |
| URL: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-84976873300&doi=10.1002%2f2016GL069106&partnerID=40&md5=784a906485344cfc1336189eb864ecbe
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| Citation statistics: |
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| 资源类型: | 期刊论文
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| 标识符: | http://119.78.100.158/handle/2HF3EXSE/9935
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| Appears in Collections: | 科学计划与规划
气候变化与战略
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作者单位: | Department of Applied Mathematics and Theoretical Physics, University of Cambridge, Cambridge, United Kingdom
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| Recommended Citation: | |
Taylor J.R.. Turbulent mixing, restratification, and phytoplankton growth at a submesoscale eddy[J]. Geophysical Research Letters,2016-01-01,43(11).
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