Formation of coherent spatial structures in the reaction-diffusion atmospheric system under the action of a planetary wave

Куликов, Михаил

doi:10.1007/s11141-005-0003-z

Cited by 5 publications

(2 citation statements)

References 19 publications

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“…The other studies (e.g., Kulikov, 2004, 2007; Kulikov & Feigin, 2004, 2005; Kulikov & Gashturi, 2006; Sonnemann, 2001; Sonnemann et al, 1999; Sonnemann & Feigin, 1999; Sonnemann & Grygalashvyly, 2005) concerned the influence of different types of mesospheric transport (diffusion and winds in the vertical and horizontal directions and quasi‐2‐day atmospheric waves). In particular, Sonnemann and Feigin (1999) and Sonnemann et al (1999) analyzed the influence of the vertical eddy diffusion and found that in most cases only the first nontrivial mode of behavior (oscillations with periods of 2 days) can survive at the real values of the diffusion coefficient.…”

Section: Introductionmentioning

confidence: 99%

Analytical Investigation of the Reaction‐Diffusion Waves in the Mesopause Photochemistry

2020

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The mechanism of the generation of reaction-diffusion waves in the mesopause region (80-90 km) has been studied analytically. These waves are the propagating phase fronts arising in the oscillations of O, O 3 , H, OH, and HO 2 concentrations. They appear in the presence of horizontal eddy diffusion in zonal direction when mesospheric photochemistry responds subharmonically (with a period of 2 days) to diurnal variations of solar radiation. The photochemical system in the mesopause region is a nonlinear oscillator which can be roughly described by a system of two differential nonautonomous equations with power law nonlinearity which was derived in our earlier papers. To model the wave propagation, we have considered a continuous chain of oscillators with diffusion coupling and with the phase of external periodic forcing depending linearly on spatial coordinates. It was found that the reaction-diffusion waves are caused by specific "wind" type transport appearing in the equations for the amplitudes of 2-day photochemical oscillations of O and H concentrations due to the zonal inhomogeneity of the external forcing. The obtained expression for the wave propagation velocity fully confirmed the earlier numerical results that the magnitude of the velocity is proportional to the diffusion coefficient and the gradient of the external forcing phase. The wave propagation direction is determined by the definite phase relations specified by internal parameters of the system only.

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confidence: 99%

Analytical Investigation of the Reaction‐Diffusion Waves in the Mesopause Photochemistry

2020

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“…These waves were studied analytically by Kulikov et al (2020). With the use of 1-D and two-dimensional (2-D) models, Kulikov (2004Kulikov ( , 2007 investigated the influence of a quasi-2-day atmospheric wave on the 2DPO and revealed the possibility of spatial synchronization between the wave and the 2DPO phase distribution. It can be important from the point of view of the feedback effect of mesospheric photochemistry to wave excitation via the corresponding modulation of air photochemical heating.…”

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The 2‐Day Photochemical Oscillations in the Mesopause Region: The First Experimental Evidence?

Куликов

Belikovich

Feǐgin

2021

Geophysical Research Letters

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Bayesian strategy of accuracy estimation for characteristics retrieved from experimental data using base dynamic models of atmospheric photochemical systems

Куликов

Mukhin

Feǐgin

2009

Radiophys Quantum El

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We develop a general approach for statistical estimation of accuracy of the characteristics of atmospheric photochemical systems retrieved from noisy time series of experimental data using base dynamic models. The practical value of such an approach was demonstrated by the example of retrieval of the spatio-temporal evolution of mesospheric photochemistry from satelliteborne measurements of ozone and hydroxyl concentrations. This made it possible, in particular, to determine the vertical profile of water-vapor concentration in this region of the atmosphere.

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Formation of coherent spatial structures in the reaction-diffusion atmospheric system under the action of a planetary wave

Cited by 5 publications

References 19 publications

Analytical Investigation of the Reaction‐Diffusion Waves in the Mesopause Photochemistry

Analytical Investigation of the Reaction‐Diffusion Waves in the Mesopause Photochemistry

The 2‐Day Photochemical Oscillations in the Mesopause Region: The First Experimental Evidence?

Bayesian strategy of accuracy estimation for characteristics retrieved from experimental data using base dynamic models of atmospheric photochemical systems

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