HBCU-Excellence in Research: Long-term Trends in Data from Hampton University (HU)-led Satellite Experiments
HBCU-卓越研究:汉普顿大学 (HU) 主导的卫星实验数据的长期趋势
基本信息
- 批准号:1901126
- 负责人:
- 金额:$ 50万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2019
- 资助国家:美国
- 起止时间:2019-07-15 至 2023-06-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The two major research objectives of this EIS award are to study through the application of comprehensive analysis approaches a merged satellite data base of temperatures within the mesosphere and lower thermosphere (MLT)region extending over 27 years to detect possible long-term cooling trends and also to assess possible solar cycle dependence. Two potential processes driving the long-term variability: (1) dynamical forcing and (2) direct solar forcing, would be examined by comparisons with results obtained using a state-of-the-art general global circulation model - the Whole Atmosphere Community Climate Model(WACCM. The satellite data to be used for this study includes MLT temperature observations from HALOE, SABER, MLS and SOFIE that would be merged to generate the extended database. The award would also include support of research aimed at achieving a theoretical understanding of long-term trends and solar cycle variations in the MLT region by using WACCM to compare with and to help diagnose the observed trends and solar cycle variations in the satellite data. Because of the possible anthropogenic and solar origin of the decadal changes in the MLT temperatures, the funded research would include a comprehensive modeling analysis of sources from which trends and solar cycle variations might originate, e.g., ozone chemistry, radiative cooling and lower atmosphere wave forcing and related MLT dynamics. This research would help enhance the assessment of changes in the upper atmosphere relative to the WACCM model predictions. The findings obtained in this research are expected to help inform policy decisions on orbital lifetimes and potential debris mitigation strategies. In addition to these benefits to society, this award would also support the research of a graduate student at a HBCU institution as well as introducing six undergraduates (over three years) to research activities. This award would support the first comprehensive study of long-term MLT temperature trends using a 27-year global scale data record constructed from the combined measurements made by four satellite instruments on different platforms. This merger would be accompanied with a validation analysis that would test the success of the merger of these separate databases. The achievements of the award research objectives would significantly advance knowledge of mesosphere decadal changes driven by possible anthropogenic greenhouse gas increases as well as solar irradiance variability and lower atmosphere dynamical forcing. These results would form a base supporting the development of a much better understanding of the variability and structure of the MLT region and a better capability to predict the future mesosphere state. The outcome of funding this award research would provide clarity as to whether the increasing concentration of carbon dioxide (CO2) within the Earth's atmosphere would eventually lead to a substantial global cooling of the ionosphere-thermosphere-mesosphere (ITM) region by 10 to 50 K for doubled CO2 concentrations from pre-industrial times. The implications of this cooling go far beyond the substantial modification of the Earth's upper atmosphere. A significant MLT cooling trend is known to indicate corresponding thermosphere density decrease at orbital altitudes, reducing aerodynamic drag on all orbiting assets, from the International Space Station to orbital debris, and thus leads to higher probabilities of collisions over time, given the proliferation of orbital assets and especially orbital debris.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.
该环境影响报告书的两个主要研究目标是通过应用综合分析方法研究27年来中间层和低热层区域内温度的合并卫星数据库,以探测可能的长期冷却趋势,并评估可能的太阳周期依赖性。 驱动长期变率的两个潜在过程:(1)动力强迫和(2)直接太阳强迫,将通过与使用最先进的全球环流模式-全大气社区气候模式(WACCM)获得的结果进行比较来检查。用于这项研究的卫星数据包括来自HALOE、SABER、MLS和SOFIE的MLT温度观测数据,这些数据将被合并以生成扩展数据库。该奖项还将包括支持旨在实现对MLT区域长期趋势和太阳周期变化的理论理解的研究,方法是利用WACCM与卫星数据中观察到的趋势和太阳周期变化进行比较并帮助诊断。由于MLT温度十年变化的可能人为和太阳起源,资助的研究将包括对趋势和太阳周期变化可能起源的来源进行全面的建模分析,例如,臭氧化学、辐射冷却和低层大气波强迫以及相关的MLT动力学。这项研究将有助于加强对高层大气相对于WACCM模式预测的变化的评估。预计这项研究的结果将有助于就轨道寿命和可能的碎片缓减战略作出知情的政策决定。除了这些对社会的好处,该奖项还将支持在HBCU机构的研究生的研究,以及介绍六个本科生(三年以上)的研究活动。该奖项将支持使用27年全球规模的数据记录对MLT长期温度趋势进行首次全面研究,该数据记录是由四个卫星仪器在不同平台上进行的综合测量构建的。在合并的同时,将进行验证分析,以检验这些单独的数据库合并是否成功。该奖项研究目标的实现将大大增进对可能的人为温室气体增加以及太阳辐照度变异和低层大气动力强迫所驱动的中间层十年变化的认识。这些结果将形成一个基础,支持更好地了解MLT区域的变化和结构,并更好地预测未来中间层状态的能力。资助这项研究的结果将提供明确的二氧化碳(CO2)在地球大气层中的浓度增加是否最终会导致电离层-热层-中间层(ITM)区域的大幅全球冷却10至50 K,使CO2浓度从工业化前时代增加一倍。这种冷却的影响远远超出了地球高层大气的实质性改变。 已知一个显著的MLT冷却趋势表明轨道高度的热层密度相应降低,减少了从国际空间站到轨道碎片的所有轨道资产的空气动力阻力,从而导致随着时间的推移发生碰撞的可能性增加,考虑到轨道资产特别是轨道碎片的扩散,该奖项反映了NSF的法定使命,并通过使用基金会的学术价值和更广泛的影响审查标准。
项目成果
期刊论文数量(4)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Long-term trend and solar cycle in the middle atmosphere temperature revealed from merged HALOE and SABER datasets
- DOI:10.1016/j.jastp.2020.105506
- 发表时间:2021
- 期刊:
- 影响因子:1.9
- 作者:Tao Li;J. Yue;J. Russell;Xi Zhang
- 通讯作者:Tao Li;J. Yue;J. Russell;Xi Zhang
Variability of Water Vapor in the Tropical Middle Atmosphere Observed From Satellites and Interpreted Using SD‐WACCM Simulations
从卫星观测到的热带中层大气中水蒸气的变化并使用 SD–WACCM 模拟进行解释
- DOI:10.1029/2022jd036714
- 发表时间:2022
- 期刊:
- 影响因子:0
- 作者:Yu, Wandi;Garcia, Rolando;Yue, Jia;Russell, James;Mlynczak, Martin
- 通讯作者:Mlynczak, Martin
Middle Atmosphere Temperature Trends in the Twentieth and Twenty‐First Centuries Simulated With the Whole Atmosphere Community Climate Model (WACCM)
- DOI:10.1029/2019ja026909
- 发表时间:2019-10
- 期刊:
- 影响因子:0
- 作者:R. Garcia;J. Yue;J. Russell
- 通讯作者:R. Garcia;J. Yue;J. Russell
Increasing Water Vapor in the Stratosphere and Mesosphere After 2002
- DOI:10.1029/2019gl084973
- 发表时间:2019-11
- 期刊:
- 影响因子:5.2
- 作者:J. Yue;J. Russell;Q. Gan;Tao Wang;P. Rong;R. Garcia;M. Mlynczak
- 通讯作者:J. Yue;J. Russell;Q. Gan;Tao Wang;P. Rong;R. Garcia;M. Mlynczak
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James Russell其他文献
Population trends of house mice during tussock mast seeding on Auckland Island
奥克兰岛草丛肥大播种期间家鼠的种群趋势
- DOI:
10.20417/nzjecol.47.3497 - 发表时间:
2022 - 期刊:
- 影响因子:1.6
- 作者:
R. Sagar;Finlay Cox;S. Horn;James Russell - 通讯作者:
James Russell
Source Identification of brGDGTs in the Surface Sediments of the East China Sea
东海表层沉积物中brGDGTs的来源鉴定
- DOI:
10.3389/feart.2021.796539 - 发表时间:
2022-01 - 期刊:
- 影响因子:2.9
- 作者:
Yipeng Wang;Jialei Yang;Guichen Wang;Yinyi Zhang;Rui Zhang;Tiegang Li;James Russell;Jiayue Wang;Xinling Wang;Fan Zhang;Yuehua Song;Xiaoxiao Yu;Junjie Hu;Zhiyong Liu;Minglei Guan;Qi Han - 通讯作者:
Qi Han
Obese Patients Have Decreased Mortality and Express a Lower Inflammatory Cytokine Profile During Septic Shock
- DOI:
10.1378/chest.1389940 - 发表时间:
2012-10-01 - 期刊:
- 影响因子:
- 作者:
Petch Wacharasint;John Boyd;James Russell;Keith Walley - 通讯作者:
Keith Walley
Highland forest dynamics across equatorial East Africa during the end of the African humid period
- DOI:
10.1016/j.quaint.2024.10.007 - 发表时间:
2024-12-15 - 期刊:
- 影响因子:
- 作者:
Sarah J. Ivory;Elizabeth MacDougal;Andrea Mason;Eleanor Pereboom;Sloane Garelick;Katherine Ficken;Matthew J. Wooller;Bob R. Nakileza;James Russell - 通讯作者:
James Russell
The use of symnose for the quantitative assessment of lip symmetry following repair of complete bilateral cleft lip and palate
- DOI:
10.1016/j.ijsu.2013.06.024 - 发表时间:
2013-10-01 - 期刊:
- 影响因子:
- 作者:
James Russell;Harriet Kiddy;Nigel Mercer - 通讯作者:
Nigel Mercer
James Russell的其他文献
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{{ truncateString('James Russell', 18)}}的其他基金
Collaborative Research: BoCP-Implementation: The impact of climate change on functional biodiversity across spatiotemporal scales at Lake Tanganyika, Africa
合作研究:BoCP-实施:气候变化对非洲坦噶尼喀湖跨时空尺度功能性生物多样性的影响
- 批准号:
2224890 - 财政年份:2022
- 资助金额:
$ 50万 - 项目类别:
Continuing Grant
Collaborative Research: Fire, ecosystem, and landscape dynamics in Afroalpine environments in a warmer world
合作研究:温暖世界中非洲高山环境中的火灾、生态系统和景观动态
- 批准号:
2048669 - 财政年份:2021
- 资助金额:
$ 50万 - 项目类别:
Standard Grant
A one-million record of orbital-scale changes in temperature and precipitation from the Indo-Pacific Warm Pool
印度太平洋暖池轨道尺度温度和降水变化的一百万条记录
- 批准号:
2102856 - 财政年份:2021
- 资助金额:
$ 50万 - 项目类别:
Standard Grant
Collaborative Research: Are Amazonian and Andean ecosystems close to a tipping point?
合作研究:亚马逊和安第斯生态系统是否已接近临界点?
- 批准号:
2029614 - 财政年份:2021
- 资助金额:
$ 50万 - 项目类别:
Standard Grant
Developing the Lake Tanganyika Drilling Project
开发坦噶尼喀湖钻探项目
- 批准号:
1912709 - 财政年份:2019
- 资助金额:
$ 50万 - 项目类别:
Standard Grant
Collaborative Research: Constraining African Climate Since the Last Glacial Maximum via Integrated Climate and Proxy System Modeling
合作研究:通过综合气候和代理系统建模限制末次盛冰期以来的非洲气候
- 批准号:
1903348 - 财政年份:2019
- 资助金额:
$ 50万 - 项目类别:
Standard Grant
A 750,000-yr Leaf Wax Biomarker Record to Assess Environmental Change Across the Plio-Pleistocene Boundary in Tropical East Africa
750,000 年叶蜡生物标记记录可评估热带东非上里欧-更新世边界的环境变化
- 批准号:
1826938 - 财政年份:2018
- 资助金额:
$ 50万 - 项目类别:
Standard Grant
Collaborative Research: Modeling of Secondary and Tertiary Gravity Waves from Orographic Gravity Wave Forcing and Comparison with Satellite Observations
合作研究:地形重力波强迫的二次和三次重力波建模以及与卫星观测的比较
- 批准号:
1834222 - 财政年份:2018
- 资助金额:
$ 50万 - 项目类别:
Standard Grant
Collaborative Research: Assessing the response of tropical temperature to global forcings since the Last Glacial Maximum
合作研究:评估末次盛冰期以来热带温度对全球强迫的响应
- 批准号:
1702293 - 财政年份:2017
- 资助金额:
$ 50万 - 项目类别:
Continuing Grant
International Conference: The Towuti Drilling Project: Paleoenvironments, Biological Evolution, and Geomicrobiology of a Tropical Western Pacific Lake
国际会议:陶乌提钻探项目:热带西太平洋湖泊的古环境、生物进化和地球微生物学
- 批准号:
1745739 - 财政年份:2017
- 资助金额:
$ 50万 - 项目类别:
Standard Grant
相似海外基金
Conference: HBCU Excellence in Research and EPSCoR Regional Outreach Workshop at Alabama State University (HERO-ASU)
会议:阿拉巴马州立大学 HBCU 卓越研究和 EPSCoR 区域外展研讨会 (HERO-ASU)
- 批准号:
2404231 - 财政年份:2023
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CTSA R25 Program at University of Utah: Biomedical Research Inclusion & Diversity to Grow Excellence in science Undergraduate Program for HBCUs (BRIDGE UP–HBCU)
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10622148 - 财政年份:2023
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- 批准号:
2302437 - 财政年份:2023
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Biomedical Research Inclusion & Diversity to Grow Excellence in Science - Undergraduate Program in Pathology for HBCUs (BRIDGE-UP HBCU)
生物医学研究包容性
- 批准号:
10487779 - 财政年份:2022
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Collaborative Research: HBCU-Excellence in Research--Planetary Boundary Layer Processes from an Incipient Surface/Upper Air Mesonet Network in the Baltimore-Washington Region
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