Articles | Volume 20, issue 17
https://doi.org/10.5194/acp-20-10477-2020
https://doi.org/10.5194/acp-20-10477-2020
Research article
 | 
09 Sep 2020
Research article |  | 09 Sep 2020

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

Guoyong Wen, Alexander Marshak, Si-Chee Tsay, Jay Herman, Ukkyo Jeong, Nader Abuhassan, Robert Swap, and Dong Wu

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Latest update: 19 May 2024
Short summary
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.
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