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Title: Response of the Land-Atmosphere System Over North-Central Oklahoma During the 2017 Eclipse

Abstract

Abstract On 21 August 2017, a solar eclipse occurred over the continental United States resulting in a rapid reduction and subsequent increase of solar radiation over a large region of the country. The eclipse's effect on the land‐atmosphere system is documented in unprecedented detail using a unique array of sensors deployed at three sites in north‐central Oklahoma. The observations showed that turbulent fluxes of heat and momentum at the surface responded quickly to the change in solar radiation. The decrease in the sensible heat flux resulted in a decrease in the air temperature below 200 m, and a large decrease in turbulent motions throughout the boundary layer. Furthermore, the turbulent mixing in the boundary layer lagged behind the change in the surface fluxes, and this lag depended on the height above the surface. The turbulent motions increased and the convective boundary layer was reestablished as the sensible heat flux recovered.

Authors:
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [2]; ORCiD logo [3]; ORCiD logo [3]; ORCiD logo [4];  [1]; ORCiD logo [5]
  1. National Oceanic and Atmospheric Administration (NOAA), Boulder, CO (United States)
  2. Univ. of Hohenheim, Stuttgart (Germany)
  3. Univ. of Colorado, Boulder, CO (United States)
  4. Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
  5. Argonne National Lab. (ANL), Argonne, IL (United States)
Publication Date:
Research Org.:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Org.:
National Aeronautics and Space Administration (NASA); National Oceanic and Atmospheric Administration (NOAA) - Office of Oceanic and Atmospheric Research; German Federal Ministry of Education and Research (BMBF); USDOE Office of Science (SC), Biological and Environmental Research (BER)
OSTI Identifier:
1427502
Alternate Identifier(s):
OSTI ID: 1420177
Grant/Contract Number:  
AC02-06CH11357
Resource Type:
Accepted Manuscript
Journal Name:
Geophysical Research Letters
Additional Journal Information:
Journal Volume: 45; Journal Issue: 3; Journal ID: ISSN 0094-8276
Publisher:
American Geophysical Union
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES

Citation Formats

Turner, D. D., Wulfmeyer, V., Behrendt, A., Bonin, T. A., Choukulkar, A., Newsom, R. K., Brewer, W. A., and Cook, D. R. Response of the Land-Atmosphere System Over North-Central Oklahoma During the 2017 Eclipse. United States: N. p., 2018. Web. doi:10.1002/2017GL076908.
Turner, D. D., Wulfmeyer, V., Behrendt, A., Bonin, T. A., Choukulkar, A., Newsom, R. K., Brewer, W. A., & Cook, D. R. Response of the Land-Atmosphere System Over North-Central Oklahoma During the 2017 Eclipse. United States. https://doi.org/10.1002/2017GL076908
Turner, D. D., Wulfmeyer, V., Behrendt, A., Bonin, T. A., Choukulkar, A., Newsom, R. K., Brewer, W. A., and Cook, D. R. Mon . "Response of the Land-Atmosphere System Over North-Central Oklahoma During the 2017 Eclipse". United States. https://doi.org/10.1002/2017GL076908. https://www.osti.gov/servlets/purl/1427502.
@article{osti_1427502,
title = {Response of the Land-Atmosphere System Over North-Central Oklahoma During the 2017 Eclipse},
author = {Turner, D. D. and Wulfmeyer, V. and Behrendt, A. and Bonin, T. A. and Choukulkar, A. and Newsom, R. K. and Brewer, W. A. and Cook, D. R.},
abstractNote = {Abstract On 21 August 2017, a solar eclipse occurred over the continental United States resulting in a rapid reduction and subsequent increase of solar radiation over a large region of the country. The eclipse's effect on the land‐atmosphere system is documented in unprecedented detail using a unique array of sensors deployed at three sites in north‐central Oklahoma. The observations showed that turbulent fluxes of heat and momentum at the surface responded quickly to the change in solar radiation. The decrease in the sensible heat flux resulted in a decrease in the air temperature below 200 m, and a large decrease in turbulent motions throughout the boundary layer. Furthermore, the turbulent mixing in the boundary layer lagged behind the change in the surface fluxes, and this lag depended on the height above the surface. The turbulent motions increased and the convective boundary layer was reestablished as the sensible heat flux recovered.},
doi = {10.1002/2017GL076908},
journal = {Geophysical Research Letters},
number = 3,
volume = 45,
place = {United States},
year = {Mon Feb 05 00:00:00 EST 2018},
month = {Mon Feb 05 00:00:00 EST 2018}
}

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Cited by: 17 works
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Works referencing / citing this record:

Cloudiness and Solar Radiation During the Longest Total Solar Eclipse of the 21st Century at Tianhuangping (Zhejiang), China
journal, December 2018

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Unmanned aerial vehicles reveal the impact of a total solar eclipse on the atmospheric surface layer
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