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Atmospheric and Offshore Forcing of Temperature Variability at the Shelf Break Observations from the OOI Pioneer Array

机译:OOI先驱阵列在架子断裂观测时的大气和近海强迫温度变化

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摘要

Knowledge of heat balance and associated temperature variability in the Northwest Atlantic coastal ocean is important for understanding impacts of climate change such as how ocean warming will affect the management of fisheries. Heat balances are particularly complicated near the edge of the continental shelf, where the cross-shelf temperature gradients within the shelf-break front complicate the competing influences of air-sea flux anomalies versus ocean advection. We review the atmospheric and oceanic processes associated with heat balance over the Northwest Atlantic continental shelf and slope, with an emphasis on the scale-dependent nature of the heat balance. We then use data from the Ocean Observatories Initiative (OOI) Pioneer Array to demonstrate heat balance scale dependence at the southern New England shelf break, and the capability of the array to capture multiscale ocean processes. Comparison of the cumulative effects of air-sea heat fluxes measured at the OOI Pioneer Array from May 2015 to April 2016 with the actual temperature change shows the importance of advective processes in overall heat balance near the shelf break.
机译:了解西北大西洋沿岸海洋的热平衡和相关的温度变化对于了解气候变化的影响(例如海洋变暖将如何影响渔业管理)非常重要。在大陆架边缘附近,热量平衡尤其复杂,在大陆架断裂锋面内的跨架温度梯度使气海通量异常对海洋平流的竞争影响变得复杂。我们回顾了与西北大西洋大陆架和斜坡上的热量平衡相关的大气和海洋过程,并着重于热量平衡的尺度依赖性。然后,我们使用来自海洋观测倡议组织(OOI)先锋阵列的数据来证明新英格兰南部陆架断裂带的热平衡尺度依赖性,以及该阵列捕获多尺度海洋过程的能力。将2015年5月至2016年4月在OOI先驱阵列上测得的海气通量的累积效应与实际温度变化进行比较,表明平流过程对架子破裂附近总体热平衡的重要性。

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  • 来源
    《Oceanography》 |2018年第1期|72-79|共8页
  • 作者单位

    Woods Hole Oceanog Inst, Dept Phys Oceanog, Woods Hole, MA 02543 USA;

    Woods Hole Oceanog Inst, Dept Phys Oceanog, Woods Hole, MA 02543 USA;

    Woods Hole Oceanog Inst, Dept Phys Oceanog, Woods Hole, MA 02543 USA;

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