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Radiative effects of daily cycle of cloud frequency in past and future climates

Publication ,  Journal Article
Yin, J; Porporato, A
Published in: Climate Dynamics
February 1, 2020

The daily cloud cycle or diurnal cloud cycle (DCC) and its response to global warming are critical to the Earth’s energy budget, but their radiative effects have not been systematically quantified. Toward this goal, here we analyze the radiation at the top of the atmosphere and propose a measure of the DCC radiative effect (DCCRE) as the difference between the total radiative fluxes with the full cloud cycle and its uniformly distributed cloud counterpart. When applied to the frequency of cloud occurrence, DCCRE is linked to the covariance between DCC and cloud radiative effects. Satellite observations show that the daily cloud cycle is strongly linked to pacific decadal oscillation (PDO) and climate hiatus, revealing its potential role in controlling climate variability. Climate model outputs show large inter-model spreads of DCCRE, accounting for approximately 20% inter-model spread of the cloud radiative effects. Climate models also suggest that while DCCRE is not sensitive to rising temperatures at the global scale, it can be important in certain regions. Such a framework can be used to conduct a more systematic evaluation of the DCC in climate models and observations with the goal to understand climate variability and reduce uncertainty in climate projections.

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Published In

Climate Dynamics

DOI

EISSN

1432-0894

ISSN

0930-7575

Publication Date

February 1, 2020

Volume

54

Issue

3-4

Start / End Page

1625 / 1637

Related Subject Headings

  • Meteorology & Atmospheric Sciences
  • 3708 Oceanography
  • 3702 Climate change science
  • 3701 Atmospheric sciences
  • 0406 Physical Geography and Environmental Geoscience
  • 0405 Oceanography
  • 0401 Atmospheric Sciences
 

Citation

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Yin, J., & Porporato, A. (2020). Radiative effects of daily cycle of cloud frequency in past and future climates. Climate Dynamics, 54(3–4), 1625–1637. https://doi.org/10.1007/s00382-019-05077-5
Yin, J., and A. Porporato. “Radiative effects of daily cycle of cloud frequency in past and future climates.” Climate Dynamics 54, no. 3–4 (February 1, 2020): 1625–37. https://doi.org/10.1007/s00382-019-05077-5.
Yin J, Porporato A. Radiative effects of daily cycle of cloud frequency in past and future climates. Climate Dynamics. 2020 Feb 1;54(3–4):1625–37.
Yin, J., and A. Porporato. “Radiative effects of daily cycle of cloud frequency in past and future climates.” Climate Dynamics, vol. 54, no. 3–4, Feb. 2020, pp. 1625–37. Scopus, doi:10.1007/s00382-019-05077-5.
Yin J, Porporato A. Radiative effects of daily cycle of cloud frequency in past and future climates. Climate Dynamics. 2020 Feb 1;54(3–4):1625–1637.
Journal cover image

Published In

Climate Dynamics

DOI

EISSN

1432-0894

ISSN

0930-7575

Publication Date

February 1, 2020

Volume

54

Issue

3-4

Start / End Page

1625 / 1637

Related Subject Headings

  • Meteorology & Atmospheric Sciences
  • 3708 Oceanography
  • 3702 Climate change science
  • 3701 Atmospheric sciences
  • 0406 Physical Geography and Environmental Geoscience
  • 0405 Oceanography
  • 0401 Atmospheric Sciences