The Infrared Radiative Impact of Antarctic Clouds
南极云的红外辐射影响
基本信息
- 批准号:1543236
- 负责人:
- 金额:$ 18.59万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2016
- 资助国家:美国
- 起止时间:2016-02-15 至 2020-01-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Despite their importance to radiative transfer, the amount of supercooled liquid water in polar clouds may be uncertain. This underestimation in turn results in significant radiation biases at the surface and TOA (top of the atmosphere) and misrepresentation of polar aerosol-cloud interactions. Recent work involving tuning a climate model to match mixed phase cloud distributions with observations resulted in an increase in net cloud radiative effects over Antarctica. A crucial component of understanding Antarctic climate, therefore, is a more accurate representation of the abundance of supercooled liquid in clouds and of corresponding cloud-radiative interactions.Leveraging down-welling radiance measurement data previously collected with FT-IR instruments (Atmospheric Emitted Radiance Interferometers; AERIs) at South Pole Station - (2000) , Dome C - (2003) and to be made at McMurdo Station (planned for Nov. 2015-Nov. 2016) will be used to assess the seasonal dependence of cloud properties and cloud impacts on the local surface radiative budget. Two hypotheses will be considered:1) The Antarctic radiation budget is highly sensitive to cloud properties, particularly thermodynamic phase.2) The radiative impact of supercooled liquid in Antarctic clouds is significantly influenced by the temperature dependence of the complex refractive index of water (CRI)
尽管它们对辐射传输很重要,但极地云中过冷液态水的数量可能是不确定的。这种低估反过来又导致了地面和TOA(大气层顶部)的显著辐射偏差以及极地气溶胶-云相互作用的错误描述。最近的工作涉及调整气候模式,使混合相云分布与观测结果相匹配,结果增加了南极上空的净云辐射效应。因此,了解南极气候的一个关键组成部分是更准确地表示云中过冷液体的丰度以及相应的云-辐射相互作用。大气辐射干涉仪南极站的AERI)-(2000年),圆顶C -(2003年),将在麦默多站建造(计划于2015年11月至2016年11月)将用于评估云特性的季节依赖性和云对当地地表辐射收支的影响。本文提出了两个假设:1)南极辐射收支对云的性质,特别是热力学相的变化非常敏感; 2)水的复折射率(CRI)的温度依赖性对南极云中过冷液体的辐射影响有显著影响。
项目成果
期刊论文数量(3)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Toward autonomous surface-based infrared remote sensing of polar clouds: cloud-height retrievals
- DOI:10.5194/amt-9-3641-2016
- 发表时间:2016-08
- 期刊:
- 影响因子:3.8
- 作者:P. Rowe;C. Cox;V. Walden
- 通讯作者:P. Rowe;C. Cox;V. Walden
Toward autonomous surface-based infrared remote sensing of polar clouds: retrievals of cloud optical and microphysical properties
极地云的自主地表红外遥感:云光学和微物理特性的检索
- DOI:10.5194/amt-12-5071-2019
- 发表时间:2019
- 期刊:
- 影响因子:3.8
- 作者:Rowe, Penny M.;Cox, Christopher J.;Neshyba, Steven;Walden, Von P.
- 通讯作者:Walden, Von P.
Intercomparison of atmospheric water vapour measurements at a Canadian High Arctic site
加拿大高北极地点大气水蒸气测量值的相互比较
- DOI:10.5194/amt-10-2851-2017
- 发表时间:2017
- 期刊:
- 影响因子:3.8
- 作者:Weaver, Dan;Strong, Kimberly;Schneider, Matthias;Rowe, Penny M.;Sioris, Chris;Walker, Kaley A.;Mariani, Zen;Uttal, Taneil;McElroy, C. Thomas;Vömel, Holger
- 通讯作者:Vömel, Holger
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Penny Rowe其他文献
Extending the CW3E Atmospheric River Scale to the Polar Regions
将CW3E大气河规模扩展到极地
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
Zhenhai Zhang;F. M. Ralph;Xun Zou;B. Kawzenuk;Minghua Zheng;I. Gorodetskaya;Penny Rowe;D. Bromwich - 通讯作者:
D. Bromwich
Penny Rowe的其他文献
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{{ truncateString('Penny Rowe', 18)}}的其他基金
Collaborative Research: Cloud Radiative Impact on the Surface Energy Budget of the Antarctic Peninsula
合作研究:云辐射对南极半岛表面能量收支的影响
- 批准号:
2127632 - 财政年份:2021
- 资助金额:
$ 18.59万 - 项目类别:
Standard Grant
Collaborative Research: Polar (NSF 19-601): RUI: Computational Polar ENgagement through GUided INquiry (Computational PENGUIN)
合作研究:极地 (NSF 19-601):RUI:通过引导查询进行计算极地参与(计算企鹅)
- 批准号:
2021429 - 财政年份:2020
- 资助金额:
$ 18.59万 - 项目类别:
Standard Grant
Polar (DCL- 16-119): Collaborative Research: Computational Guided Inquiry for Incorporating Polar Research into Undergraduate Curricula
极地(DCL-16-119):协作研究:将极地研究纳入本科课程的计算引导查询
- 批准号:
1712354 - 财政年份:2017
- 资助金额:
$ 18.59万 - 项目类别:
Standard Grant
Development of the Autonomous Arctic Infrared Observer (AAIRO)
自主北极红外观测仪(AAIRO)的开发
- 批准号:
1108451 - 财政年份:2011
- 资助金额:
$ 18.59万 - 项目类别:
Standard Grant
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Estimating the Impact of the Radiative Feedback from Atmospheric Methane on Climate Sensitivity
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