Collaborative Research: Modeling Giant Icebergs and Their Decay

合作研究:模拟巨型冰山及其腐烂

基本信息

  • 批准号:
    1744835
  • 负责人:
  • 金额:
    $ 28.95万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2018
  • 资助国家:
    美国
  • 起止时间:
    2018-07-01 至 2021-06-30
  • 项目状态:
    已结题

项目摘要

Icebergs are a component of the Antarctic climate system, yet a comprehensive representation of their dynamics in climate models has remained elusive. Representing the role of icebergs in global climate models (GCMs) poses a formidable challenge to the scientific community. The most striking shortcoming of current iceberg models is arguably that they do not represent giant tabular icebergs, even though giant icebergs carry most of the freshwater stored in icebergs in the Southern Ocean. This lack of large icebergs in models is mostly due to the difficulties associated with adequately modeling iceberg decay. In particular, fracturing and breakup are not typically considered in iceberg models, despite being dominant iceberg decay processes. Investigators are to address these issues using a hierarchy of iceberg models, ranging from an idealized analytical model to a comprehensive GCM, in concert with recent observational data. The main objective of this study is to develop a new iceberg model that:(i) accounts for iceberg breakup and fracturing processes that have been neglected to date,(ii) improves on the representation of iceberg decay processes that were considered in previous models,(iii) explicitly represents large tabular icebergs.The primary broader impact of the proposed work will be through a K-12 teacher workshop series showcasing this project as an example of how scientists develop physical models. Ongoing changes in the California K-12 science standards will enable the teachers to creatively use this material in their classrooms.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
冰山是南极气候系统的一个组成部分,但在气候模型中对冰山动态的全面描述仍然难以捉摸。冰山在全球气候模型(GCM)中的作用对科学界来说是一个巨大的挑战。当前冰山模型最显著的缺陷可以说是它们并不代表巨大的板状冰山,尽管巨大的冰山携带着南大洋冰山中储存的大部分淡水。模型中没有大型冰山的主要原因是与充分模拟冰山衰变相关的困难。特别是,冰山模型中通常不考虑破裂和破裂,尽管它们是主要的冰山衰变过程。研究人员将使用冰山模型的层次结构来解决这些问题,从理想化的分析模型到综合的GCM,结合最近的观测数据。这项研究的主要目的是开发一个新的冰山模型:(I)解释到目前为止被忽略的冰山破裂和破裂过程,(Ii)改进以前模型中考虑的冰山衰变过程的表示,(Iii)明确地表示大型板状冰山。拟议工作的主要更广泛的影响将通过K-12教师研讨会系列展示作为科学家如何开发物理模型的例子。加州K-12科学标准的持续变化将使教师能够在课堂上创造性地使用这些材料。这一奖项反映了NSF的法定使命,并通过使用基金会的智力优势和更广泛的影响审查标准进行评估,被认为值得支持。

项目成果

期刊论文数量(9)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Localized Plumes Drive Front‐Wide Ocean Melting of A Greenlandic Tidewater Glacier
局部羽流驱动格陵兰潮水冰川的大洋融化
  • DOI:
    10.1029/2018gl080763
  • 发表时间:
    2018
  • 期刊:
  • 影响因子:
    5.2
  • 作者:
    Slater, D. A.;Straneo, F.;Das, S. B.;Richards, C. G.;Wagner, T. J. W.;Nienow, P. W.
  • 通讯作者:
    Nienow, P. W.
Viscous and elastic buoyancy stresses as drivers of ice-shelf calving
  • DOI:
    10.1017/jog.2020.35
  • 发表时间:
    2020-08-01
  • 期刊:
  • 影响因子:
    3.4
  • 作者:
    Mosbeux, Cyrille;Wagner, Till J. W.;Fricker, Helen A.
  • 通讯作者:
    Fricker, Helen A.
Robust Arctic warming caused by projected Antarctic sea ice loss
  • DOI:
    10.1088/1748-9326/abaada
  • 发表时间:
    2020-07
  • 期刊:
  • 影响因子:
    6.7
  • 作者:
    M. England;L. Polvani;Lantao Sun
  • 通讯作者:
    M. England;L. Polvani;Lantao Sun
Large spatial variations in the flux balance along the front of a Greenland tidewater glacier
格陵兰潮水冰川前部通量平衡的巨大空间变化
  • DOI:
    10.5194/tc-13-911-2019
  • 发表时间:
    2019
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Wagner, Till J.;Straneo, Fiamma;Richards, Clark G.;Slater, Donald A.;Stevens, Laura A.;Das, Sarah B.;Singh, Hanumant
  • 通讯作者:
    Singh, Hanumant
Tropical climate responses to projected Arctic and Antarctic sea-ice loss
  • DOI:
    10.1038/s41561-020-0546-9
  • 发表时间:
    2020-03-16
  • 期刊:
  • 影响因子:
    18.3
  • 作者:
    England, Mark R.;Polvani, Lorenzo M.;Deser, Clara
  • 通讯作者:
    Deser, Clara
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Till Wagner其他文献

Extended distally based DMCA flap in combination with autologous amputate skin transplantation as a salvage procedure for ring avulsion injury
  • DOI:
    10.1007/s00238-015-1164-4
  • 发表时间:
    2015-11-14
  • 期刊:
  • 影响因子:
    0.800
  • 作者:
    Till Wagner;Nicholas Slater;Dietmar Ulrich
  • 通讯作者:
    Dietmar Ulrich
Solar radiation can cause clinically relevant burns in breast reconstructed patients even after years- a rare case report
  • DOI:
    10.1016/j.burnso.2024.03.006
  • 发表时间:
    2024-04-01
  • 期刊:
  • 影响因子:
  • 作者:
    Till Wagner;Anne-Sophie Kruit;Marielle Vehmeijer-Heeman;Dietmar Ulrich
  • 通讯作者:
    Dietmar Ulrich
Letter to the Editor: Acute Hyperventilation Syndromes Induced by Sexual Intercourse: Evidence of a Psychophysical Mechanism to Intensify Sexual Experience?
  • DOI:
    10.1023/b:aseb.0000044736.73344.c2
  • 发表时间:
    2004-12-01
  • 期刊:
  • 影响因子:
    2.900
  • 作者:
    Torsten Passie;Till Wagner;Uwe Hartmann;Udo Schneider;Hinderk M. Emrich
  • 通讯作者:
    Hinderk M. Emrich
Effectiveness of dialectic behavioral therapy in routine outpatient care: the Berlin Borderline Study
辩证行为疗法在常规门诊护理中的有效性:柏林边界研究
Increasing multidrug resistance in leech borne infections. Should we adjust antibiotic treatment regime in plastic surgery? A systematic review
  • DOI:
    10.1007/s00238-023-02158-x
  • 发表时间:
    2024-01-25
  • 期刊:
  • 影响因子:
    0.800
  • 作者:
    Till Wagner;Dietmar Ulrich
  • 通讯作者:
    Dietmar Ulrich

Till Wagner的其他文献

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{{ truncateString('Till Wagner', 18)}}的其他基金

Collaborative Research: Prospects and limitations of predicting a potential collapse of the Atlantic meridional overturning circulation
合作研究:预测大西洋经向翻转环流潜在崩溃的前景和局限性
  • 批准号:
    2343203
  • 财政年份:
    2024
  • 资助金额:
    $ 28.95万
  • 项目类别:
    Standard Grant
Wave Erosion at Ice Cliffs
冰崖的波浪侵蚀
  • 批准号:
    2148544
  • 财政年份:
    2022
  • 资助金额:
    $ 28.95万
  • 项目类别:
    Standard Grant

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