Physics of auroral phenomena : proceedings of the 35th Annual seminar, Apatity, 28 Februaru – 02 March, 2012 / [ed. board: A. G. Yahnin, A. A. Mochalov]. - Апатиты : Издательство Кольского научного центра РАН, 2012. - 187 с. : ил., табл.

RESEARCH OF GEOPHYSICAL AND METEOROLOGICAL FACTORS INFLUENCING A FUNCTIONAL STATE OF CARDIOVASCULAR SYSTEM OF A HUMAN BEING V.I. Manykina1, S.N. Samsonov1, N.G. Skryabin1, A.M. Palshina2 lYu.G. Shafer Institute o f Cosmophysical Research and Aeronomy o f SB RAS, Yakutsk, Russia 2Medical institute ofM .K. Ammosov North-Eastern Federal University, Yakutsk, Russia Abstract. Within the framework of research project the biophysical monitoring experiment with the purpose to study the effect of environment factors (magnetic disturbances, a change of meteorological parameters, etc.) on a health of people. In order to achieve the mentioned goal synchronous measurements of a state of cardiovascular system of volunteers at two points of observations (the Yakutsk, Tixie) with the device "Fazagraph" were carried out during the period of October - December 2009. The analysis of experimental project data has shown that a steady coincidence of geomagnetic disturbance variations with changes of the cardiovascular system index of half of volunteers and a partial coincidence with another half of examined ones who took part in the experiment was found. A similarity between the electrocardiogram indices of examined people and geomagnetic disturbance even at very low values of the geomagnetic disturbance level has been revealed. Introduction Changes in space weather affects all the shells of the Earth including the atmosphere and biosphere, mainly through two main channels through changes of short - wave radiation, as well as through changes in the solar wind. From the indicated channels just the change of solar wind parameters (geomagnetic activity) is a biotropic factor that has the greatest effect on the human being [Martynyuk V.S. et al., 2008]. The main target of human exposure is a cardio­ vascular system [Breus Т.К. et al, 2003], as the most reactive system. It is the first system which joins in the process of adaptation to the extreme conditions [V.I. Rusanov, 1973] and it is manifested by changes in the system of blood circulation, in particular, by the change of vascular wall tension, rheological blood properties and disturbances of relationship of coagulative and anticoagulative systems [N. A. Agadzhanyan, 2001]. The question of nature of the influence of heliogeophysical factors on the human organism, on the physical agent enduring such effect, and on real contribution of external factors into the processes of occurrence and exacerbation of diseases remains open. Therefore, the research of space weather parameters that affect the cardiovascular system of a human being is urgent and timely. The purpose of this work is to study the relationship of heliogeophysical parameters to a condition of cardiovascular system of a human being. Experimental data and methods o f registration To implement the above-mentioned aims of study the experiment with the participation of three groups of volunteers aimed to identify the connection of functional state of cardiovascular system of a human being with the changes of geomagnetic activity and meteorological parameters was carried out. The data of the first lead electrocardiograms of the volunteers with the subsequent calculation of T-wave symmetry characterizing the functional state of cardiovascular system of a person as an experimental material were used. As an index of geomagnetic activity the Kp-index was used, and meteoparameters were represented by the ground atmospheric pressure, wind speed, humidity and temperature. Information on the geomagnetic activity (Kp-index) was obtained from the following site: http://www.wdcb.rssi.ru/stp/data/geomagni.ind/kp_ap/2009.V10. The data of meteorological parameters (humidity, temperature, atmospheric pressure, wind speed) round st.Yakutsk were obtained from the following site: http://meteocenter.net/UEEE_current.htm, the mentioned data round st. Tixie - from http://meteocenter.net/forecast/ all.php. Medical data were obtained during the process of synchronous biophysical experiment at three observation points. The measurements were carried out daily in Yakutsk (62° 2' 0"of northern latitude) at two points: at Yu. G. Shafer Institute of Cosmophysical Research and Aeronomy of SB RAS (IKFIA) and Medical Institute of М. K. Ammosov North-Eastern Federal University (MI), as well as at the observatory of IKFIA in Tixie (71° 38' 12.61" of “P h y sics o f A uroral P h en om en a", Proc. XXXV A nnual Sem inar, A p a tity, p p . 1 7 2 - 1 7 5 , 2 0 1 2 © Kola Science Centre, Russian Academy of Science, 2012 Polar Geophysical Institute 172