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ACP | Articles | Volume 20, issue 17
Atmos. Chem. Phys., 20, 10477–10491, 2020
https://doi.org/10.5194/acp-20-10477-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Atmos. Chem. Phys., 20, 10477–10491, 2020
https://doi.org/10.5194/acp-20-10477-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 09 Sep 2020

Research article | 09 Sep 2020

Changes in the surface broadband shortwave radiation budget during the 2017 eclipse

Guoyong Wen et al.

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Cited articles

Baum, B. A., Menzel, W. P., Frey, R. A., Tobin, D., Holz, R. E., Ackerman, S. A., Heidinger, A. K., and Yang, P.: MODIS Cloud-Top Properties Refinements for Collection 6, J. Appl. Meteorol. Clim., 51, 1145–1163, 2012. 
Baum, B. A., Yang, P., Heymsfield, A. J., Platnick, S., King, M. D., Hu, Y.-X., and Bedka, S. T.: Bulk scattering models for the remote sensing of ice clouds. Part 2: Narrowband models, J. Appl. Meteorol., 44, 1896–1911, 2005. 
Bernhard, G. and Petkov, B.: Measurements of spectral irradiance during the solar eclipse of 21 August 2017: reassessment of the effect of solar limb darkening and of changes in total ozone, Atmos. Chem. Phys., 19, 4703–4719, https://doi.org/10.5194/acp-19-4703-2019, 2019. 
Calamas, D. M., Nutter, C., and Guajardo, D. N.: Effect of 21 August 2017 solar eclipse on surface-level irradiance and ambient temperature, International Journal of Energy and Environmental Engineering, 10, 147–156, https://doi.org/10.1007/s40095-018-0290-8, 2019. 
Cescatti, A.: Indirect estimates of canopy gap fraction based on the linear conversion of hemispherical photographs: Methodology and comparison with standard thresholding techniques, Agr. Forest Meteorol., 143, 1–12, 2007. 
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We combine the ground-based observations and radiative transfer model to quantify the impact of the 2017 solar eclipse on surface shortwave irradiation reduction. We find that the eclipse caused local reductions of time-averaged surface flux of about 379 W m-2 (50 %) and 329 W m-2 (46 %) during the ~ 3 h course of the eclipse at the Casper and Columbia sites, respectively. We estimate that the Moon’s shadow caused a reduction of approximately 7 %–8 % in global average surface broadband SW radiation.
We combine the ground-based observations and radiative transfer model to quantify the impact of...
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