Application of thermodesorption mass spectrometry for studying proton water formation in the lunar regolith

In this paper, we report experimental data on the implantation of hydrogen ions of different energies into crystalline quartz samples. It was shown that irradiation with protons with an energy of 20 keV produces an amorphous film on the surface of a quartz sample, and irradiation with 90-keV protons results in the formation of a layer with interstitial defects and an increase in the unit-cell parameter of quartz with preservation of the crystal structure of the disturbed layer. The examination of the samples by thermodesorption mass spectrometry showed that high-energy irradiation resulted also in loosening of the surface layer and considerable expansion of high-potential adsorption sites, which was the reason for the observed peak desorption of gases. The existence of desorption peaks allowed us to calculate the activation energy of surface desorption of gas components. It was also found that an increase in irradiation energy tends to enhance the total degassing of samples.     

The IKFS-2 Infrared Fourier-Transform Spectrometer Operating Onboard the Meteor-M No.2 Satellite

Izvestiya, Atmospheric and Oceanic Physics - The results of the commissioning of the IKFS-2 instrument and its subsequent operation onboard the Meteor-M no. 2 polar orbiting meteorological...     

COMPARATIVE ANALYSIS OF FEATURES ON RADAR IMAGERY AND AERIAL PHOTOGRAPHS IN DESERT AND MOUNTAINOUS LANDSCAPES

The relative information yield of radar imagery and aerial photographs is compared for selected natural and cultural features (mountains, erosional depressions, low and high forest, desert plants and shrubs, reeds, and canals) in a number of desert and mountainous areas. The types of aerial photographic and radar equipment used are discussed and recommendations are made regarding when preference should be given to one or the other type of system. Translated by Edward Torrey, Alexandria, VA 22308 from: Vestnik Leningradskogo Universiteta, seriya 7 (geologiya, geografiya), 1989, No. 2, pp. 106–110.     

RADAR IMAGERY IN THE STUDY OF VEGETATION OF THE CENTRAL TAIGA ZONE

This study is devoted to testing the general applicability of radar imagery in vegetation analysis, and, in particular, to determining the potential of radar images obtained for different seasons. In plains areas intermediate-scale radar images are used to discriminate forests differing in age and stand productivity and to identify sectors where the tree stand has been partially destroyed. They also can be used as supplementary material in studying forest resources and in geological research in forested plains areas. Translated by Edward Torrey, Alexandria, VA 22308 from: Geografiya i prirodnyye resursy, 1989, No. 3, pp. 130–134.