Rossbyn.

Brit.

/ˈrɒsbi/, U.S.

/ˈrɔsˌbi/,

/ˈrɑsˌbi/

Origin: From a proper name. Etymon: proper name Rossby.

Etymology: < the name of Carl-Gustaf Arvid Rossby (1898–1957), Swedish meteorologist.

Physics and Meteorology.

1. Used attributively with reference to Rossby's work in the fields of fluid flow and meteorology.

ΚΠ

1935 Science 1 Feb. 115/1 The daily soundings by airplane are analyzed with the aid of tephigram, Rossby diagram and vertical cross-sections of the atmosphere.

1967 R. W. Fairbridge Encycl. Atmospheric Sci. & Astrogeol. 840/1 The present terrestrial circulation..is now described as a Rossby Regime.

1992 S. P. Maran Astron. & Astrophysics Encycl. 511/2 L_D is called the Rossby radius of deformation and represents the characteristic horizontal scale for geostrophic baroclinic motion.

2004 Jrnl. Computational & Appl. Math. 166 283 ψ is the stream function, β is the Rossby parameter, W is the curl of the wind stress, and r is the friction parameter.

2. Rossby wave n. a long-wavelength fluctuation of a current in a fluid system having no divergence and subject to a Coriolis force; esp. a lateral fluctuation of a jet stream, with wavelength comparable with the radius of the earth.Rossby first described such waves in 1939 ( Jrnl. Marine Res. 2 38–55).

ΘΚΠ

the world > the earth > water > flow or flowing > current > [noun] > specific wave-length fluctuation

Rossby wave1951

the world > the earth > weather and the atmosphere > movements and pressure conditions > [noun] > jet stream > long lateral fluctuation

Rossby wave1951

the world > matter > physics > mechanics > types of motion > [noun] > wave > types of wave

long wave1792

internal wave1804

stationary wave1833

solitary wave1838

standing wave1845

travelling wave1845

pressure wave1871

ripple1871

surface wave1887

sine wave1893

Rayleigh wave1903

shock wave1907

spherical wave1907

Love wave1924

bow shock1938

Rossby wave1951

soliton1965

1944 H. R. Byers Gen. Meteorol. xvii. 407 (caption) Nomogram for the Rossby wave formula.

1949 Jrnl. Meteorol. 6 109/2 Thus we see that Rossby's and Haurwitz' waves are the slowly progressive or retrograding long waves.]

1951 R. Fjørtoft in T. F. Malone Compend. Meteorol. (Amer. Meteorol. Soc.) 461/2 In the special case of a flow pattern, as for instance for Rossby waves [etc.].

1960 Geogr. Rev. 50 358 (caption) Waves of this number are long Rossby waves and move only slowly.

1974 Earth-Sci. Rev. 10 203 Planetary or Rossby waves..are of interest to earth scientists in general, because of their pervasive role in the general circulation of oceans and atmospheres.

2004 Guardian 19 Aug. i. 20/5 A Rossby wave generated by the 1982–83 El Niño is believed to have disrupted the Kuroshio Current.

3. Rossby number n. the ratio of the inertial force to the Coriolis force for a particular fluid flow.

ΘΚΠ

the world > the earth > weather and the atmosphere > movements and pressure conditions > [noun] > jet stream > long lateral fluctuation > specific ratio

Rossby number1951

1951 D. Fultz in Jrnl. Meteorol. 8 262 A number expressing the influence of rotation, which it is proposed to name the ‘Rossby number’.

1985 Deep-sea Res. 32 a. 557 With increasing Rossby number the anticyclonic circulations in the subtropical Atlantic and Indian Ocean parts of the two-ocean domain become more and more isolated from each other.

2006 M. J. P. Cullen Math. Theory Large-scale Atmosphere/Ocean Flow ii. 17 The Rossby number is small for horizontal scales much greater than 100km.

This entry has been updated (OED Third Edition, November 2010; most recently modified version published online March 2022).

单词	rossby
释义	Rossbyn. Brit. /ˈrɒsbi/, U.S. /ˈrɔsˌbi/, /ˈrɑsˌbi/ Origin: From a proper name. Etymon: proper name Rossby. Etymology: < the name of Carl-Gustaf Arvid Rossby (1898–1957), Swedish meteorologist. Physics and Meteorology. 1. Used attributively with reference to Rossby's work in the fields of fluid flow and meteorology. ΚΠ 1935 Science 1 Feb. 115/1 The daily soundings by airplane are analyzed with the aid of tephigram, Rossby diagram and vertical cross-sections of the atmosphere. 1967 R. W. Fairbridge Encycl. Atmospheric Sci. & Astrogeol. 840/1 The present terrestrial circulation..is now described as a Rossby Regime. 1992 S. P. Maran Astron. & Astrophysics Encycl. 511/2 L_D is called the Rossby radius of deformation and represents the characteristic horizontal scale for geostrophic baroclinic motion. 2004 Jrnl. Computational & Appl. Math. 166 283 ψ is the stream function, β is the Rossby parameter, W is the curl of the wind stress, and r is the friction parameter. 2. Rossby wave n. a long-wavelength fluctuation of a current in a fluid system having no divergence and subject to a Coriolis force; esp. a lateral fluctuation of a jet stream, with wavelength comparable with the radius of the earth.Rossby first described such waves in 1939 ( Jrnl. Marine Res. 2 38–55). ΘΚΠ the world > the earth > water > flow or flowing > current > [noun] > specific wave-length fluctuation Rossby wave1951 the world > the earth > weather and the atmosphere > movements and pressure conditions > [noun] > jet stream > long lateral fluctuation Rossby wave1951 the world > matter > physics > mechanics > types of motion > [noun] > wave > types of wave long wave1792 internal wave1804 stationary wave1833 solitary wave1838 standing wave1845 travelling wave1845 pressure wave1871 ripple1871 surface wave1887 sine wave1893 Rayleigh wave1903 shock wave1907 spherical wave1907 Love wave1924 bow shock1938 Rossby wave1951 soliton1965 1944 H. R. Byers Gen. Meteorol. xvii. 407 (caption) Nomogram for the Rossby wave formula. 1949 Jrnl. Meteorol. 6 109/2 Thus we see that Rossby's and Haurwitz' waves are the slowly progressive or retrograding long waves.] 1951 R. Fjørtoft in T. F. Malone Compend. Meteorol. (Amer. Meteorol. Soc.) 461/2 In the special case of a flow pattern, as for instance for Rossby waves [etc.]. 1960 Geogr. Rev. 50 358 (caption) Waves of this number are long Rossby waves and move only slowly. 1974 Earth-Sci. Rev. 10 203 Planetary or Rossby waves..are of interest to earth scientists in general, because of their pervasive role in the general circulation of oceans and atmospheres. 2004 Guardian 19 Aug. i. 20/5 A Rossby wave generated by the 1982–83 El Niño is believed to have disrupted the Kuroshio Current. 3. Rossby number n. the ratio of the inertial force to the Coriolis force for a particular fluid flow. ΘΚΠ the world > the earth > weather and the atmosphere > movements and pressure conditions > [noun] > jet stream > long lateral fluctuation > specific ratio Rossby number1951 1951 D. Fultz in Jrnl. Meteorol. 8 262 A number expressing the influence of rotation, which it is proposed to name the ‘Rossby number’. 1985 Deep-sea Res. 32 a. 557 With increasing Rossby number the anticyclonic circulations in the subtropical Atlantic and Indian Ocean parts of the two-ocean domain become more and more isolated from each other. 2006 M. J. P. Cullen Math. Theory Large-scale Atmosphere/Ocean Flow ii. 17 The Rossby number is small for horizontal scales much greater than 100km. This entry has been updated (OED Third Edition, November 2010; most recently modified version published online March 2022). < n.1935
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