NEW DATA ON THE IMPACT OF TECTONIC NODES ON THE STATE OF THE ENVIRONMENT AT THE NORTH OF THE RUSSIAN PLATE
Abstract
Effects of tectonic nodes on environmental components are investigated applying theoretical analysis of materials, digital relief modeling, and monitoring observations to study the quantitative characteristics of abiotic and biogenic processes within tectonic nodes. The structure of vegetation cover, changes in the yield of wild berries, mineral nutrients in soil and berries, physical and mechanical properties of wood, atmospheric pressure, oxygen concentration in the atmosphere, amount of precipitation and frequency of thunderstorms were studied within tectonic node areas. Nodes at the intersection of tectonic disturbances are also sources of induced vortex currents, changing the overall picture of geomagnetic field (a kind of magnetic dipoles) and parameters of the atmospheric pressure field. Combined with the inflow of fluids and deep-earth gases, they create local anomalous areas that affect the environment. Thus, within the tectonic nodes there are areas with abnormal quantitative and qualitative characteristics of environmental parameters. The following phenomena are observed: (1) permanent «deficit» of atmospheric pressure (up to 25 mb) over tectonic nodes; (2) significantly different frequency of rainfall and its amount in the central and peripheral parts of the nodes; (3) earlier snow falls on the periphery of nodes, deeper snow cover and later snow melting compared with the background areas; (4) deep degassing area within the periphery of the nodes, as well as the higher frequency of thunderstorms and forest fires; (5) higher plant diversity within the nodes of tectonic dislocations; (6) fluctuating electrical conductivity of the air indicated by specific structure of clouds over the nodes.
About the Authors
Y. G. Kutinov
N. Laverov Federal Center for Integrated Arctic Research of the Ural Branch of the Russian Academy of Sciences
Russian Federation
Russian Federation
Laboratory of Deep Geological Structure and Dynamics of the Lithosphere, Chief Scientific Researcher, D.Sc. in Geology and Mineralogy
Z. B. Chistova
N. Laverov Federal Center for Integrated Arctic Research of the Ural Branch of the Russian Academy of Sciences
Russian Federation
Russian Federation
Laboratory of Deep Geological Structure and Dynamics of the Lithosphere, Leading Scientific Researcher, Head of Laboratory, PhD. in Geology and Mineralogy
N. A. Neverov
N. Laverov Federal Center for Integrated Arctic Research of the Ural Branch of the Russian Academy of Sciences
Russian Federation
Russian Federation
Laboratory of Deep Geological Structure and Dynamics of the Lithosphere, Senior Scientific Researcher, PhD. in Agricultural Sciences
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Review
For citations:
Kutinov Y.G., Chistova Z.B., Neverov N.A. NEW DATA ON THE IMPACT OF TECTONIC NODES ON THE STATE OF THE ENVIRONMENT AT THE NORTH OF THE RUSSIAN PLATE. Lomonosov Geography Journal. 2020;(5):12-24. (In Russ.)
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