Publication Abstracts

Carlson et al. 2019

Carlson, B., A. Lacis, C. Colose, A. Marshak, W. Su, and S. Lorentz, 2019: Spectral signature of the biosphere: NISTAR finds it in our solar system from the Lagrangian L-1 point. Geophys. Res. Lett., 46, no. 17-18, 10679-10686, doi:10.1029/2019GL083736.

NISTAR, aboard the DSCOVR spacecraft, is one of NASA'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 ?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.

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BibTeX Citation

@article{ca01720l,
  author={Carlson, B. and Lacis, A. and Colose, C. and Marshak, A. and Su, W. and Lorentz, S.},
  title={Spectral signature of the biosphere: NISTAR finds it in our solar system from the Lagrangian L-1 point},
  year={2019},
  journal={Geophys. Res. Lett.},
  volume={46},
  number={17-18},
  pages={10679--10686},
  doi={10.1029/2019GL083736},
}

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RIS Citation

TY  - JOUR
ID  - ca01720l
AU  - Carlson, B.
AU  - Lacis, A.
AU  - Colose, C.
AU  - Marshak, A.
AU  - Su, W.
AU  - Lorentz, S.
PY  - 2019
TI  - Spectral signature of the biosphere: NISTAR finds it in our solar system from the Lagrangian L-1 point
JA  - Geophys. Res. Lett.
VL  - 46
IS  - 17-18
SP  - 10679
EP  - 10686
DO  - 10.1029/2019GL083736
ER  -

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