Collaborative Research: Air-Sea Fluxes at High Wind Speeds with Application to Tropical Cyclone Intensity Prediction

合作研究:高风速下的海气通量及其在热带气旋强度预测中的应用

基本信息

  • 批准号:
    0001039
  • 负责人:
  • 金额:
    $ 25.5万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2000
  • 资助国家:
    美国
  • 起止时间:
    2000-02-01 至 2003-01-31
  • 项目状态:
    已结题

项目摘要

Theory and numerical experiments demonstrate that the intensity achieved by tropical cyclones is sensitive to the relative importance of surface fluxes of momentum and enthalpy in the storm core, yet very little is known about such fluxes in extremely high wind speeds. Extrapolation to high winds of the functional form of surface exchange coefficients deduced from observations at moderate wind speeds leads to the prediction that storms of greater than nominal tropical storm strength should never be observed. It is hypothesized that this paradox can be resolved by a proper account of the physical processes affecting surface fluxes at high wind speeds. Attacking this problem requires a multi-disciplinary program of theoretical, numerical and laboratory work in order to address several crucial physical processes that are neglected or poorly handled in present tropical cyclone models. Accordingly, Principal Investigators from four institutions (Woods Hole Oceanographic Institution, University of Rhode Island, Massachusetts Institute of Technology and the Cold Regions Research and Engineering Laboratory) have formed a research team to perform this research. Specifically, the Principal Investigators will: 1. Investigate the effect of re-entrant sea spray on air-sea enthalpy exchange through theoretical analysis and laboratory experiments:2. Conduct a program of theoretical and experimental research designed to yield quantitative estimates of air-sea heat exchange by bubbles; and3. Produce better estimates of the effect of waves on air-sea momentum exchange.This research should lead to better formulations of surface fluxes in very high wind speeds. These formulations will be implemented in numerical weather prediction models to improve the accuracy of tropical cyclone intensity prediction.
理论和数值实验表明,热带气旋的强度对风暴核心表面动量和焓通量的相对重要性很敏感,但对极高风速下的动量和焓通量知之甚少。从中等风速下的观测推导出的地表交换系数的函数形式外推到大风,可以预测永远不会观测到大于名义热带风暴强度的风暴。据推测,这种矛盾可以通过适当地解释影响高风速下地表通量的物理过程来解决。要解决这个问题,需要一个多学科的理论、数值和实验室工作计划,以解决目前热带气旋模型中被忽视或处理不善的几个关键物理过程。因此,来自四个机构(伍兹霍尔海洋研究所、罗德岛大学、麻省理工学院和寒冷地区研究与工程实验室)的首席研究员组成了一个研究小组来进行这项研究。具体来说,主要研究者将:1。通过理论分析和室内实验研究了再入海喷淋对海气焓交换的影响。实施一项理论和实验研究计划,旨在定量估计气泡对空气-海洋热交换的影响;说谎。更好地估计海浪对海气动量交换的影响。这项研究将导致在非常高的风速下更好的地表通量公式。这些公式将应用于数值天气预报模式,以提高热带气旋强度预报的准确性。

项目成果

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Kerry Emanuel其他文献

Multifaceted aerosol effects on precipitation
气溶胶对降水的多方面影响
  • DOI:
    10.1038/s41561-024-01482-6
  • 发表时间:
    2024-08-09
  • 期刊:
  • 影响因子:
    16.100
  • 作者:
    Philip Stier;Susan C. van den Heever;Matthew W. Christensen;Edward Gryspeerdt;Guy Dagan;Stephen M. Saleeby;Massimo Bollasina;Leo Donner;Kerry Emanuel;Annica M. L. Ekman;Graham Feingold;Paul Field;Piers Forster;Jim Haywood;Ralph Kahn;Ilan Koren;Christian Kummerow;Tristan L’Ecuyer;Ulrike Lohmann;Yi Ming;Gunnar Myhre;Johannes Quaas;Daniel Rosenfeld;Bjorn Samset;Axel Seifert;Graeme Stephens;Wei-Kuo Tao
  • 通讯作者:
    Wei-Kuo Tao
Why the lower stratosphere cools when the troposphere warms
为什么对流层变暖时平流层下部会变冷
Broad threat to humanity from cumulative climate hazards intensified by greenhouse gas emissions
温室气体排放加剧的累积气候危害对人类构成广泛威胁
  • DOI:
    10.1038/s41558-018-0315-6
  • 发表时间:
    2018-11-19
  • 期刊:
  • 影响因子:
    27.100
  • 作者:
    Camilo Mora;Daniele Spirandelli;Erik C. Franklin;John Lynham;Michael B. Kantar;Wendy Miles;Charlotte Z. Smith;Kelle Freel;Jade Moy;Leo V. Louis;Evan W. Barba;Keith Bettinger;Abby G. Frazier;John F. Colburn IX;Naota Hanasaki;Ed Hawkins;Yukiko Hirabayashi;Wolfgang Knorr;Christopher M. Little;Kerry Emanuel;Justin Sheffield;Jonathan A. Patz;Cynthia L. Hunter
  • 通讯作者:
    Cynthia L. Hunter
Cyclone Jasper’s rains in the context of climate change
气候变化背景下的气旋贾斯珀带来的降雨
Limitations of reanalyses for detecting tropical cyclone trends
重新分析检测热带气旋趋势的局限性
  • DOI:
  • 发表时间:
    2023
  • 期刊:
  • 影响因子:
    30.7
  • 作者:
    Kerry Emanuel
  • 通讯作者:
    Kerry Emanuel

Kerry Emanuel的其他文献

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{{ truncateString('Kerry Emanuel', 18)}}的其他基金

Collaborative Research: P2C2--Assessing Climate and Stochastic Forcing of North Atlantic Tropical Cyclone Activity over the Past Millennium
合作研究:P2C2——评估过去千年北大西洋热带气旋活动的气候和随机强迫
  • 批准号:
    2202785
  • 财政年份:
    2022
  • 资助金额:
    $ 25.5万
  • 项目类别:
    Standard Grant
Collaborative Research: Physics of and Climate Regulation by Convective Aggregation
合作研究:对流聚集的物理学和气候调节
  • 批准号:
    1906768
  • 财政年份:
    2019
  • 资助金额:
    $ 25.5万
  • 项目类别:
    Standard Grant
PREEVENTS Track 2: Collaborative Research: Predicting Hurricane Risk along the United States East Coast in a Changing Climate
预防事件轨道 2:合作研究:预测气候变化中美国东海岸的飓风风险
  • 批准号:
    1854929
  • 财政年份:
    2019
  • 资助金额:
    $ 25.5万
  • 项目类别:
    Continuing Grant
Trends and Variability of Temperatures near the Tropical Tropopause Layer and Implications for Tropical Cyclones
热带对流层顶层附近温度的趋势和变化以及对热带气旋的影响
  • 批准号:
    1461517
  • 财政年份:
    2015
  • 资助金额:
    $ 25.5万
  • 项目类别:
    Standard Grant
Collaborative Research: Self-Aggregation of Moist Convection, Radiative-Convective Instability, and the Regulation of Tropical Climate
合作研究:湿对流的自聚集、辐射对流不稳定性以及热带气候的调节
  • 批准号:
    1418508
  • 财政年份:
    2014
  • 资助金额:
    $ 25.5万
  • 项目类别:
    Standard Grant
Trends and Variability of Temperatures Near the Tropical Tropopause Layer and Implications for Tropical Cyclones
热带对流层顶层附近温度的趋势和变化以及对热带气旋的影响
  • 批准号:
    1342810
  • 财政年份:
    2013
  • 资助金额:
    $ 25.5万
  • 项目类别:
    Standard Grant
Collaborative Research: The Effect of Near-Equatorial Islands on Climate
合作研究:近赤道岛屿对气候的影响
  • 批准号:
    1136480
  • 财政年份:
    2011
  • 资助金额:
    $ 25.5万
  • 项目类别:
    Standard Grant
Collaborative Research: Convective Organization and Climate
合作研究:对流组织与气候
  • 批准号:
    1032244
  • 财政年份:
    2010
  • 资助金额:
    $ 25.5万
  • 项目类别:
    Continuing Grant
Collaborative Research: Environmental Control of Tropical Cyclone Activity
合作研究:热带气旋活动的环境控制
  • 批准号:
    0850639
  • 财政年份:
    2009
  • 资助金额:
    $ 25.5万
  • 项目类别:
    Standard Grant
Collaborative Research: Global Aspects of Tropical Cyclogenesis
合作研究:热带气旋发生的全球方面
  • 批准号:
    0630690
  • 财政年份:
    2006
  • 资助金额:
    $ 25.5万
  • 项目类别:
    Standard Grant

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