GSTDTAP  > 气候变化
DOI10.1029/2019GL083736
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
ISSN0094-8276
EISSN1944-8007
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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