Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2019GL083736 |
Spectral Signature of the Biosphere: NISTAR Finds It in Our Solar System From the Lagrangian L-1 Point | |
Carlson, Barbara1; Lacis, Andrew1; Colose, Christopher1; Marshak, Alexander2; Su, Wenying3; Lorentz, Steven4 | |
2019-09-12 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS
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ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2019 |
文章类型 | Article;Early Access |
语种 | 英语 |
国家 | USA |
英文摘要 | NISTAR, aboard the DSCOVR spacecraft, is one of the National Aeronautics and Space Administration's energy budget instruments designed to measure the seasonal changes in Earth's total outgoing radiation from a unique vantage point at the Lagrangian L-1 point a million miles from Earth. Global radiation energy balance measurements are important constraints for climate models, but are difficult measurements to quantify. CERES data offer the best current observational constraints, but need extensive modeling to get global energy. NISTAR observes the entire dayside hemisphere of the Earth as a single pixel, splitting the shortwave radiation into broadband visible and near-infrared components (analogous to the narrowband spectral ratios used to define vegetation indices). This spectral partitioning at the 0.7-mu m vegetation red edge offers unique constraints on climate model spectral treatment of cloud and surface albedos. Moreover, NISTAR's unique viewing geometry amounts to observing the Earth as an exoplanet, which opens a new perspective on exoplanet observations. |
英文关键词 | global energy budget satellite data remote sensing climate model validation diurnal cycle exoplanet studies |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000486330000001 |
WOS关键词 | LIFE ; TOP |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/187019 |
专题 | 气候变化 |
作者单位 | 1.NASA, Goddard Inst Space Studies, New York, NY 10025 USA; 2.Goddard Space Flight Ctr, Greenbelt, MD USA; 3.NASA, Langley Res Ctr, Hampton, VA 23665 USA; 4.L1 Stand & Technol Inc, Manassas, VA USA |
推荐引用方式 GB/T 7714 | Carlson, Barbara,Lacis, Andrew,Colose, Christopher,et al. Spectral Signature of the Biosphere: NISTAR Finds It in Our Solar System From the Lagrangian L-1 Point[J]. GEOPHYSICAL RESEARCH LETTERS,2019. |
APA | Carlson, Barbara,Lacis, Andrew,Colose, Christopher,Marshak, Alexander,Su, Wenying,&Lorentz, Steven.(2019).Spectral Signature of the Biosphere: NISTAR Finds It in Our Solar System From the Lagrangian L-1 Point.GEOPHYSICAL RESEARCH LETTERS. |
MLA | Carlson, Barbara,et al."Spectral Signature of the Biosphere: NISTAR Finds It in Our Solar System From the Lagrangian L-1 Point".GEOPHYSICAL RESEARCH LETTERS (2019). |
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