Spontaneous emission activity of lithosphere and seismoelectromagnetic phenomena
© V.N. Shuman, 2016
New ideas and approaches to description of spontaneous emission of lithosphere are being discussed - seismic, seismoacoustic and
electromagnetic based on analysis of non-stationary processes and metastable conditions in active geomedium. It is accentuated that
these emissions are not only a dynamic but also a spatial-temporal chaos in distributed energy-saturated geo-systems. Attention is
concentrated on a diffusion-relaxation component of lithospheric noise interpreted as a reflection of nonlinear dynamics of non-equilibrium
geomedium, a result of interaction and concordance between mechanisms of its self-organization, which determine the trends of evolutionary
processes development and effects of dynamic relaxation, which reflect the role of fluctuation-dissipative factors. Essential role of criticality
fronts in the processes of their generation is being noted, in particular, of percolation-diffusion ones and of related transitional processes in
non-stationary geo- medium, which are called transitional dispersion. It is considerable that spontaneous emissions as ordered spatial-temporal
structures, which are determined by the properties of geo-system, might be interpreted in terms of self-excited oscillations of relaxation type and,
in particular, auto-structures.
Key words: seismic and electromagnetic emission, models of generation, evolution of geosys- tems, transitional activity, dissipative
structures, metastable conditions, transitional dispersion, auto-structures.