Circulation and Exchange Across the Inner Shelf - The Importance of Surface Gravity Waves and Cross-shelf Wind Stress
内陆架的循环和交换 - 表面重力波和跨陆架风应力的重要性
基本信息
- 批准号:0548961
- 负责人:
- 金额:$ 131.59万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2006
- 资助国家:美国
- 起止时间:2006-01-15 至 2011-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
One of the most important problems in coastal oceanography is determining the mechanisms and pathways of cross-shelf exchange (e.g. Ocean Sciences 2001). Cross-shelf and vertical exchange over the inner shelf has a major impact on a wide range of interdisciplinary processes, including the supply of nutrients to the euphotic zone during coastal upwelling, the movement of organisms between estuarine or inter-tidal waters and the mid shelf during different stages of their life cycles, the on-offshore movement of sediment, the offshore dispersal of pollutants, and the deposition of contaminants such as oil spills onto beaches. Despite the importance of the inner shelf, the dominant mechanisms responsible for exchange across the inner shelf and the associated dynamics remain uncertain. There have been few attempts to bridge the gap between nearshore surfzone studies focusing on wave-driven processes and shelf studies focusing on wind-driven processes (see Lentz et al 2001 for an exception). Consequently, nearshore models generally focus on the surfzone and typically do not consider wind forcing or stratification, while shelf models generally do not include wave forcing (e.g. Austin and Lentz 2002). In this study, researchers at the Woods Hole Oceanographic Institution will examine whether or not the cross-shelf circulation and exchange over a substantial portion of the inner shelf is forced by surface gravity waves and cross-shelf wind stresses. To do so, the scientist will analyze existing observations from coastal observatories and previous inner-shelf studies. A three element cross-innershelf array at the Martha's Vineyard Coastal Observatory (MVCO) will be deployed to obtain density and current profiles to determine the impact of stratification on the cross-shelf circulation. Direct covariance estimates of stress profiles will be made using an existing four-year time series of 2-Hz ADCP data from the MVCO, and a simple analytic model of the wave-driven cross-shelf circulation will be developed. Finally, a two-dimensional primitive-equation numerical model with a turbulence closure scheme will be used to investigate the influence of stratification and surface heat flux on the wind- and wave-driven circulation. The goal of this work is to reach a dynamical understanding of the wind-and wave-driven circulation over the inner shelf. In addition, the research will enhance the three-dimensional numerical modeling capability available to the coastal oceanographic community by providing observationally tested parameterizations of surface-gravity-wave forcing in a primitive-equation numerical model and stress observations for evaluating and refining existing turbulence closure schemes.
沿海海洋学中最重要的问题之一是确定跨大陆架交换的机制和途径(例如海洋科学,2001年)。内大陆架上的跨大陆架和垂直交换对广泛的跨学科过程有重大影响,包括沿海上升流期间真光层营养物的供应、生物在其生命周期的不同阶段在河口或潮间带沃茨与中大陆架之间的移动、沉积物的近海移动、污染物的近海扩散、以及污染物的沉积,如石油泄漏到海滩上。尽管内大陆架很重要,但负责跨内大陆架交换的主导机制和相关动态仍然不确定。很少有人试图弥合侧重于波浪驱动过程的近岸冲浪带研究与侧重于风驱动过程的大陆架研究之间的差距(例外情况见Lentz等人,2001年)。因此,近岸模型通常侧重于冲浪带,通常不考虑风强迫或分层,而大陆架模型通常不包括波浪强迫(例如,Austin和Lentz 2002)。 在这项研究中,伍兹霍尔海洋学研究所的研究人员将研究跨大陆架环流和交换的很大一部分内大陆架是否被迫由表面重力波和跨大陆架风应力。 为了做到这一点,科学家将分析沿海观测站和以前的内大陆架研究的现有观测结果。 将在玛莎葡萄园岛海岸观测站部署一个三要素跨大陆架阵列,以获得密度和海流剖面,以确定层化对跨大陆架环流的影响。 将利用MVCO提供的2赫兹ADCP数据的现有四年时间序列对应力剖面进行直接协方差估计,并将建立一个波浪驱动的跨大陆架环流的简单分析模型。 最后,一个二维湍流方程数值模式与湍流封闭方案将被用来调查层结和表面热通量的影响,风和波浪驱动的环流。 这项工作的目标是达到一个动态的了解风和波浪驱动的环流内架。 此外,这项研究将提高沿海海洋学界可用的三维数值模拟能力,方法是在连续方程数值模型中提供经观测检验的表面重力波强迫参数化,并提供应力观测结果,以评价和改进现有的湍流闭合方案。
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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Steven Lentz其他文献
HTRS2023.P2.2 Mim8 clinical development program: an overview of FRONTIER studies with results from a multiple ascending dose study of Mim8 in patients with severe hemophilia A with or without factor VIII inhibitors
- DOI:
10.1016/j.rpth.2023.100227 - 发表时间:
2023-08-01 - 期刊:
- 影响因子:
- 作者:
Steven Lentz;Stephanie Seremitis;Anne Louise Nielsen;Jerzy Windyga;Vlady Ostrow - 通讯作者:
Vlady Ostrow
Daily versus three times weekly dosing for treatment of iron deficiency nonanemia in NCAA Division 1 female athletes.
NCAA 1 级女运动员缺铁性非贫血治疗的每日给药与每周三次给药比较。
- DOI:
10.1002/pmrj.13172 - 发表时间:
2024 - 期刊:
- 影响因子:2.1
- 作者:
Josh Schulte;Kyle Peterson;Timothy Thomsen;Steven Lentz;Mederic Hall;Tyler Slayman - 通讯作者:
Tyler Slayman
Steven Lentz的其他文献
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{{ truncateString('Steven Lentz', 18)}}的其他基金
Characterizing Current and Wave Drag over Shallow Coral Reefs
浅部珊瑚礁上的海流和波浪阻力特征
- 批准号:
1558343 - 财政年份:2016
- 资助金额:
$ 131.59万 - 项目类别:
Standard Grant
Understanding Annual to Decadal Variations in the Middle Atlantic Bight Cold Pool
了解大西洋中部湾冷池的年度到十年的变化
- 批准号:
1332666 - 财政年份:2013
- 资助金额:
$ 131.59万 - 项目类别:
Standard Grant
2005 Coastal Ocean Circulation Gordon Conference
2005年沿海海洋环流戈登会议
- 批准号:
0451023 - 财政年份:2005
- 资助金额:
$ 131.59万 - 项目类别:
Standard Grant
The Influence of Stratification on Wind-Driven Coastal Upwelling and Downwelling
层结对风力驱动的海岸上升流和下降流的影响
- 批准号:
0241292 - 财政年份:2003
- 资助金额:
$ 131.59万 - 项目类别:
Standard Grant
Seasonal and Interannual Variations of Stratification and Cross-Shelf Density Structure on the Middle Atlantic Bight Shelf
大西洋中部湾陆架层结和跨陆架密度结构的季节和年际变化
- 批准号:
0220773 - 财政年份:2002
- 资助金额:
$ 131.59万 - 项目类别:
Standard Grant
Distribution and Transport of Larvae of Inner-Shelf Benthic Invertebrates
内陆架底栖无脊椎动物幼虫的分布和运输
- 批准号:
9633025 - 财政年份:1996
- 资助金额:
$ 131.59万 - 项目类别:
Standard Grant
Suspension, Cross-Shelf Transport and Deposition of Planktonic Larvae of Inner-Shelf Benthic Invertebrates
内陆架底栖无脊椎动物浮游幼虫的悬浮、跨陆架运输和沉积
- 批准号:
9221615 - 财政年份:1993
- 资助金额:
$ 131.59万 - 项目类别:
Continuing Grant
Analysis of the Shelf Mixed Layer Experiment (SMILE) Data Set
货架混合层实验(SMILE)数据集分析
- 批准号:
9115713 - 财政年份:1991
- 资助金额:
$ 131.59万 - 项目类别:
Continuing Grant
相似国自然基金
Exchange环理论
- 批准号:19801012
- 批准年份:1998
- 资助金额:4.2 万元
- 项目类别:青年科学基金项目
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Interagency Agreement
SusChEM: Understanding and controlling photoinduced self-exchange reactions across sensitized mesoporous thin films to drive multiple-electron-transfer catalysis
SusChEM:理解和控制敏化介孔薄膜上的光诱导自交换反应以驱动多电子转移催化
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An Integrated Study for the Ancient North World across the Tsugaru Channel: Seen from the Material Culture and Spiritual Culture exchange and disruption
津轻海峡古代北方世界的综合研究——从物质文化与精神文化的交流与破坏看
- 批准号:
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Best Brains Exchange: "A coordinated approach to opioid monitoring across the Atlantic provinces" held in Halifax (Nova Scotia) on July 8, 2015.
最佳人才交流会:“大西洋各省阿片类药物监测的协调方法”于 2015 年 7 月 8 日在哈利法克斯(新斯科舍省)举行。
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Best Brains Exchange: "A coordinated approach to opioid monitoring across the Atlantic provinces" held in Halifax (Nova Scotia) on July 8, 2015.
最佳人才交流会:“大西洋各省阿片类药物监测的协调方法”于 2015 年 7 月 8 日在哈利法克斯(新斯科舍省)举行。
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333127 - 财政年份:2015
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Best Brains Exchange: "A coordinated approach to opioid monitoring across the Atlantic provinces" held in Halifax (Nova Scotia) on July 8, 2015
最佳人才交流会:“大西洋各省阿片类药物监测的协调方法”于 2015 年 7 月 8 日在哈利法克斯(新斯科舍省)举行
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334542 - 财政年份:2015
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Best Brains Exchange: "A coordinated approach to opioid monitoring across the Atlantic provinces" hels in Halifax, Nova Scotia on July 8, 2015
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