Internal Tides and Inertial Oscillations: Analysis of Observations in the Gulf Stream South of New England
内潮汐和惯性振荡:新英格兰南部墨西哥湾流的观测分析
基本信息
- 批准号:0453681
- 负责人:
- 金额:$ 17.43万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2005
- 资助国家:美国
- 起止时间:2005-03-15 至 2009-02-28
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
ABSTRACTOCE-0453681 WattsThe goal of this project is to understand the impact of the Gulf Stream on the horizontal and vertical distributions of internal tides and inertial oscillations in the region south of New England. An existing dataset from the Synoptic Ocean Prediction (SYNOP) experiment (1988-1990) will be reanalyzed. The Central Array of the SYNOP experiment comprised 24 inverted echo sounders and 13 tall current meter moorings collecting currents at 4 levels, plus 3 with Acoustic Doppler Current Profilers. The SYNOP experiment was highly successful, improving the physical understanding of the mesoscale meandering of the Gulf Stream. However, the high-frequency band signals (inertial to semi-diurnal frequencies) of these data have not yet been analyzed and reported upon. The reanalysis of the SYNOP dataset provides a cost-effective opportunity to achieve the goal.The mean and shorter term distribution of internal tides and inertial oscillations will be related to the observed circulation and compare to predicted propagation paths in the Gulf Stream. Exciting preliminary evidence that internal tides, generated by strong cross-slope tidal currents associated with the Bay of Fundy tides, are blocked from crossing the Gulf Stream, and that near-inertial oscillations may be concentrated by the vorticity of the Gulf Stream, will be investigated.Broader impact. The energy available for ocean mixing by internal tides and near-inertial oscillations are variable in space and time. The understanding gained from this study will validate model and theoretical concepts regarding the process by which they interact with currents and can be trapped or focused.
摘要:本项目旨在了解墨西哥湾流对新英格兰南部地区内潮和惯性振荡水平和垂直分布的影响。将重新分析天气海洋预报(SYNOP)实验(1988-1990)的现有数据集。SYNOP实验的中央阵列包括24个反向回声测深仪和13个高电流计系泊装置,用于收集4个级别的电流,另外还有3个多普勒电流分析器。SYNOP实验非常成功,提高了对墨西哥湾流中尺度蜿蜒的物理认识。然而,这些数据的高频波段信号(惯性到半昼夜频率)尚未被分析和报道。对SYNOP数据集的重新分析为实现这一目标提供了一个经济有效的机会。内部潮汐和惯性振荡的平均和短期分布将与观测到的环流有关,并与预测的墨西哥湾流传播路径进行比较。令人兴奋的初步证据表明,内部潮汐是由与芬迪湾潮汐相关的强大的跨坡潮汐流产生的,它被阻止穿过墨西哥湾流,而墨西哥湾流的涡度可能集中了近惯性振荡,这些证据将被调查。更广泛的影响。可用于海洋混合的内部潮汐和近惯性振荡的能量在空间和时间上是可变的。从这项研究中获得的理解将验证关于它们与电流相互作用并可以被捕获或聚焦的过程的模型和理论概念。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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D. Randolph Watts其他文献
D. Randolph Watts的其他文献
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{{ truncateString('D. Randolph Watts', 18)}}的其他基金
Collaborative Research: Vertical seafloor geodesy to accurately image slow slip events in a noisy ocean environment
合作研究:垂直海底大地测量以准确成像嘈杂海洋环境中的慢滑事件
- 批准号:
2140658 - 财政年份:2022
- 资助金额:
$ 17.43万 - 项目类别:
Continuing Grant
Cross-Frontal Fluxes in the Antarctic Circumpolar Current near Udintsev Fracture Zone
乌金采夫断裂带附近南极绕极流的锋面通量
- 批准号:
1358470 - 财政年份:2014
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$ 17.43万 - 项目类别:
Standard Grant
Collaborative Research: Kuroshio Extension System Study (KESS) Analysis - Mesoscale Processes
合作研究:黑潮扩展系统研究 (KESS) 分析 - 中尺度过程
- 批准号:
0851246 - 财政年份:2009
- 资助金额:
$ 17.43万 - 项目类别:
Standard Grant
Collaborative Research: Kuroshio Extension System Study
合作研究:黑潮扩展系统研究
- 批准号:
0221008 - 财政年份:2002
- 资助金额:
$ 17.43万 - 项目类别:
Continuing Grant
Collaborative Research: Aghulas-South Atlantic Thermohaline Transport Experiment (ASTTEX)
合作研究:阿古拉斯-南大西洋温盐输运实验(ASTTEX)
- 批准号:
0095572 - 财政年份:2001
- 资助金额:
$ 17.43万 - 项目类别:
Continuing Grant
The Sub-Antarctic Flux and Dynamics Experiment: Renewal Proposal for Data Analysis and Model Experiments
亚南极通量和动力学实验:数据分析和模型实验的更新建议
- 批准号:
9912320 - 财政年份:2000
- 资助金额:
$ 17.43万 - 项目类别:
Standard Grant
The Structure, Energetics, and Dynamics of Gulf Stream Meandering
墨西哥湾流蜿蜒的结构、能量和动力学
- 批准号:
9314581 - 财政年份:1994
- 资助金额:
$ 17.43万 - 项目类别:
Continuing Grant
US-Australia Cooperative Study of the Northern Branch of theAntarctic Circumpolar Current
美澳合作研究南极绕极流北支
- 批准号:
9204041 - 财政年份:1994
- 资助金额:
$ 17.43万 - 项目类别:
Continuing Grant
Inverted Echo Sounders at the WOCE/JGOFS Hawaiian Timeseries Station
WOCE/JGOFS 夏威夷时间序列站的倒置回声测深仪
- 批准号:
9103365 - 财政年份:1991
- 资助金额:
$ 17.43万 - 项目类别:
Standard Grant
The Structure, Energetics and Dynamics of Gulf Stream Variability
湾流变率的结构、能量和动力学
- 批准号:
8717144 - 财政年份:1988
- 资助金额:
$ 17.43万 - 项目类别:
Continuing Grant
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