### Abstract

The effect of the finite outer Rossby radius on two-dimensional isotropic turbulence in a single-layered fluid is investigated using the modified cumulant expansion method. This type of turbulence may be considered as a model of geostrophic turbulence in the atmosphere. The beta effect is neglected in order to avoid extra complexity. It is found that turbulent motions with scale larger than the Rossby radius are strongly suppressed and consequently the inverse cascade of the energy is remarkably reduced.

Original language | English |
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Pages (from-to) | 2513-2520 |

Number of pages | 8 |

Journal | Journal of the Physical Society of Japan |

Volume | 53 |

Issue number | 8 |

Publication status | Published - Aug 1984 |

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### ASJC Scopus subject areas

- Physics and Astronomy(all)

### Cite this

*Journal of the Physical Society of Japan*,

*53*(8), 2513-2520.

**EFFECT OF THE FINITE ROSSBY RADIUS ON TWO-DIMENSIONAL ISOTROPIC TURBULENCE.** / Yanase, Shinichiro; Yamada, Michio.

Research output: Contribution to journal › Article

*Journal of the Physical Society of Japan*, vol. 53, no. 8, pp. 2513-2520.

}

TY - JOUR

T1 - EFFECT OF THE FINITE ROSSBY RADIUS ON TWO-DIMENSIONAL ISOTROPIC TURBULENCE.

AU - Yanase, Shinichiro

AU - Yamada, Michio

PY - 1984/8

Y1 - 1984/8

N2 - The effect of the finite outer Rossby radius on two-dimensional isotropic turbulence in a single-layered fluid is investigated using the modified cumulant expansion method. This type of turbulence may be considered as a model of geostrophic turbulence in the atmosphere. The beta effect is neglected in order to avoid extra complexity. It is found that turbulent motions with scale larger than the Rossby radius are strongly suppressed and consequently the inverse cascade of the energy is remarkably reduced.

AB - The effect of the finite outer Rossby radius on two-dimensional isotropic turbulence in a single-layered fluid is investigated using the modified cumulant expansion method. This type of turbulence may be considered as a model of geostrophic turbulence in the atmosphere. The beta effect is neglected in order to avoid extra complexity. It is found that turbulent motions with scale larger than the Rossby radius are strongly suppressed and consequently the inverse cascade of the energy is remarkably reduced.

UR - http://www.scopus.com/inward/record.url?scp=0021477103&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0021477103&partnerID=8YFLogxK

M3 - Article

AN - SCOPUS:0021477103

VL - 53

SP - 2513

EP - 2520

JO - Journal of the Physical Society of Japan

JF - Journal of the Physical Society of Japan

SN - 0031-9015

IS - 8

ER -