Carbon Dioxide Near Infrared Absorption Line Shapes for Atmospheric Remote Sensing
用于大气遥感的二氧化碳近红外吸收线形状
基本信息
- 批准号:0338475
- 负责人:
- 金额:$ 35.01万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2003
- 资助国家:美国
- 起止时间:2003-08-01 至 2006-07-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This award supports measurements of spectroscopic properties of carbon dioxide (CO2), the principal anthropogenic greenhouse gas. The results of this work will improve the precision of remote sensing techniques for CO2, which will be used in the near future to quantify its spatial and temporal variations. Our ability to forecast long-term climate changes depends on a detailed understanding of the carbon budget and accurate predictions of future atmospheric concentrations of CO2. Near infrared spectroscopic techniques provide excellent opportunities for measuring CO2 with the required precision; however, measurements at this level of precision require knowledge of the temperature-dependent spectroscopic line shape and pressure shift parameters with unprecedented accuracy. These parameters will be determined from a multi-spectrum analysis of high-resolution spectra recorded at the Kitt Peak National Solar Observatory. Investigators from the College of William and Mary, in collaboration with the NASA Jet Propulsion Laboratory (JPL) and the Kitt Peak National Solar Observatory, will carry out this work. They will demonstrate the retrieval of column CO2 with a precision of 0.3% using high-resolution solar spectra from the Table Mountain Facility Fourier-Transform Ultraviolet Spectrometer (FTUVS), combined with a new parameterization of CO2 near infrared line shapes and pressure shifts. This award will support undergraduate students at the College of William and Mary and provide them with training in state-of-the-art spectroscopic techniques, as well as an appreciation of issues in global climate change.
该奖项支持测量二氧化碳(CO2)的光谱特性,二氧化碳是主要的人为温室气体。这项工作的结果将提高二氧化碳遥感技术的精度,在不久的将来将用于量化其空间和时间变化。我们预测长期气候变化的能力取决于对碳收支的详细了解和对未来大气中二氧化碳浓度的准确预测。 近红外光谱技术提供了极好的机会,测量二氧化碳所需的精度;然而,在这种精度水平的测量需要的知识的温度依赖的光谱线的形状和压力变化参数,以前所未有的精度。这些参数将通过对基特峰国家太阳观测站记录的高分辨率光谱进行多光谱分析来确定。 威廉和玛丽学院的研究人员将与美国宇航局喷气推进实验室(JPL)和基特峰国家太阳观测站合作开展这项工作。他们将使用桌山设施傅里叶变换紫外光谱仪(FTUVS)的高分辨率太阳光谱,结合CO2近红外线形状和压力变化的新参数化,以0.3%的精度证明CO2柱的检索。 该奖项将支持威廉与玛丽学院的本科生,并为他们提供最先进的光谱技术培训,以及对全球气候变化问题的认识。
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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D. Chris Benner其他文献
Line positions and intensities of the phosphine (PH<sub>3</sub>) Pentad near 4.5 μm
- DOI:
10.1016/j.jms.2014.01.013 - 发表时间:
2014-04-01 - 期刊:
- 影响因子:
- 作者:
V. Malathy Devi;Isabelle Kleiner;Robert L. Sams;Linda R. Brown;D. Chris Benner;Leigh N. Fletcher - 通讯作者:
Leigh N. Fletcher
Multispectrum analysis of <sup>12</sup>CH<sub>4</sub> from 4100 to 4635 cm<sup>−1</sup>: 1. Self-broadening coefficients (widths and shifts)
- DOI:
10.1016/j.jms.2005.04.007 - 发表时间:
2005-08-01 - 期刊:
- 影响因子:
- 作者:
Adriana Predoi-Cross;Linda R. Brown;V. Malathy Devi;M. Brawley-Tremblay;D. Chris Benner - 通讯作者:
D. Chris Benner
Self-broadened widths and shifts of <sup>12</sup>C<sup>16</sup>O<sub>2</sub>: 4750–7000 cm<sup>−1</sup>
- DOI:
10.1016/j.jms.2006.08.003 - 发表时间:
2006-10-01 - 期刊:
- 影响因子:
- 作者:
R.A. Toth;L.R. Brown;C.E. Miller;V. Malathy Devi;D. Chris Benner - 通讯作者:
D. Chris Benner
Line parameters for CO<sub>2</sub> broadening in the ν<sub>2</sub> band of HD<sup>16</sup>O
- DOI:
10.1016/j.jqsrt.2016.10.004 - 发表时间:
2017-01-01 - 期刊:
- 影响因子:
- 作者:
V. Malathy Devi;D. Chris Benner;Keeyoon Sung;Timothy J. Crawford;Robert R. Gamache;Candice L. Renaud;Mary Ann H. Smith;Arlan W. Mantz;Geronimo L. Villanueva - 通讯作者:
Geronimo L. Villanueva
Measurements and theoretical calculations of self-broadening and self-shift coefficients in the <em>ν</em><sub>2</sub> band of CH<sub>3</sub>D
- DOI:
10.1016/j.jms.2005.08.005 - 发表时间:
2005-11-01 - 期刊:
- 影响因子:
- 作者:
Adriana Predoi-Cross;Kyle Hambrook;Marco Brawley-Tremblay;Jean-Pierre Bouanich;V. Malathy Devi;D. Chris Benner;Linda R. Brown - 通讯作者:
Linda R. Brown
D. Chris Benner的其他文献
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