Abstract
The term “geochemical barrier” (GCB) has been widely used in the Russian geochemical literature as a key concept of the distribution of elements and substances theory (incl. pollutions)although in the world research practice this term is not particularly represented. The assessment of the functional role of the geochemical barriers in relation to the properties and evolution of the geochemical systems (GCS)is demonstrated.The foundations of Haken synergy, the foundations of self-organization of systems and non-equilibrium (non-linear) thermodynamics of I. Prigogine and his school are used as a methodological framework. From the authors’ point of view, GCB are considered as self-organizing components of GCS, in which physical and chemical processes are activated, leading to the transformation of atomic and molecular structures, chemical associations and individual chemical elements under the impact of active media (processes). They can be the defining phenomenon of the emergence and evolution of GCS. The concept of geochemical barriers is the foundation for technologies that are actively implemented for cleaning and protecting soils, groundwater and surface water, and the geological environment in general.
Highlights
GCBs are the most important components of geochemical systems (GCS)
According to the Great Encyclopedic Dictionary, GCB are the zones of a sharp decrease in the migration ability of any chemical elements, and this process is accompanied by their sedimentation from the solution and leads to their increased concentration, including industrial ones
Taking into account the above shown gaps in descriptions of barriers, we suggest a new definition: GCB is a dynamic element of GCS, which regulates the flow of energy and matter portions; borders are a necessary structural element of open self-organizing systems
Summary
GCBs are the most important components of GCS. The definition of the term “barrier” as applied to rocks, soils and landscapes, their typology, functional features and ecological significance are formulated by the Russian scholar A.I. Micro-GCB are “born” and “die” on GCB to create more stable forms or structures - this is another function of GCB Given this goal, the research is aimed at the identification of chemicals or their atomicmolecular bonds (AMS) of mass flows, representative to identify evolutionary pathways of systems development and interpretation of the processes leading to this development. Taking into account the above shown gaps in descriptions of barriers, we suggest a new definition: GCB is a dynamic element of GCS, which regulates the flow of energy and matter portions; borders (barriers) are a necessary structural element of open self-organizing systems. From modern positions GCB are considered as self-organizing components of GCS, in which activation of physical and chemical processes occurs, leading to the transformation of atomic and molecular structures and associations of chemical substances and individual chemical elements under the action of active media (processes) [7]. A schematic diagram of this evolution of GCS is presented in fig. 2
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