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Fractal features of radiation and geo-heliophysical indicators of habitat environment at Mir station

Keywords:

V.A. Bondarenko - Ph.D. (Eng.), Leading Research Scientist, State Centreof Science of the Russian Federation – Institute of Medical and Biologic Problems of the Russian Academy of Science E-mail:9bondval@imbp.ru A.M. Nosovskii - Dr.Sc. (Biol.), Leading Research Scientist, State Centre of Science of the Russian Federation – Institute of Medical and Biologic Problems of the Russian Academy of Science E-mail: nam@imbp.ru V.V. Tseltin - Dr.Sc. (Eng.) Senior Research Scientist, Head of Laboratory, the State Centre of Science of the Russian Federation – Institute of Medical and Biologic Problems of the Russian Academy of Science E-mail: tsetlin@imbp.ru


Radiation loads of the astronauts, who are being in Earth orbit, depend onsuch of parameters. As protection station, covering thickness, heights, orbit inclinations and from geo-heliophysical parameters: index of a geomagnetic disturbance, variation of amplitude of a magnetic field of ring current, Wolf's numbers, flux of a radio emission of the Sun, flux of charged particles of protons, electrons, ions. Establishment of interrelation with all parameters has difficult character. Identifications of more significant parameters it has been carried out by the factorial analysis and method main a components. Features of fractal characteristics during the disturbance period of RS are revealed. It is shown that Hurst indext of the radiation parameters calculated on average monthly values are characterized by instability, tendency to changes of a trend, aspiration to return to average value. Whereas the calculation for daily measurements [2] executed earlier the geo-heliophysical of parameters has shown mstability trend. The method main a components has revealed actually formation of two groups of the geo-heliophysical parameters correlated among themselves: strongly correlated group: an index of a geomagnetic disturbance, a flux of a radio emission of the Sun, Wolf's number (Ap, F, W) and poorly correlated group: a variation of amplitude of a magnetic field of ring current, the absorbed dose, fluxof protons (Dst, the Dose, J > 90). Seasonal dependence of parameters of a radiation situation at Mir station is also found.
References:

 

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  2. Bondarenko V.A., Cetlin V.V., Mitrikas V.G. Baza dannykh o radiacionnojj obstanovke na stancii «Mir» za period s 08.02.87 po 28.08.99 // GNC RF IMBP. № 2000620017. Oficialnaja registracija v «Rospatent» 27 .01.2000 g.
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