Published in Hydroécologie Appliquée
The ecological equilibrium of water reservoirs may differ from that of natural lakes. We questioned this difference by analysing the sediments of a small oligotrophic Alpine lake, whose management was modified for hydroelectric production since 1976. Corne Lake is formed by a shallow depression connected to a deep depression. The hydropower managem...
Published in Journal of Volcanology and Seismology
AbstractThis paper presents results of multidisciplinary geochronologic, paleoseismic, and tectonophysical studies for local structures in the Sloboda tectono-dynamic intersection that is a segment of the junction between major tectonic structures in the East European Platform. These studies were conducted in the area of the Vitebsk–Surazh fault in...
Published in Izvestiya, Atmospheric and Oceanic Physics
AbstractA field study of sections of loose deposits in the western part of the Lake Sevan basin (Armenia) is conducted to investigate geoecological and paleogeographic features of existence and development of high-mountain lakes. The typical lithological patterns of significant lake transgressions are revealed and stratigraphic layers with numerous...
Published in Eurasian Soil Science
The origin, structure, composition, and properties of soil humus horizons in functional zones of St. Petersburg have been studied. The radiocarbon age of organic matter in the humus horizons varies from 500 to 2700 years, which attests to the natural origin of humus. The structure of microbiomes in the humus horizons of soils under different plant ...
Published in Eurasian Soil Science
In the profiles of cryozems (Oxyaquic Turbic Cryosols) developing in tundra of northern Yakutia under conditions of shallow active layer, suprapermafrost horizons of the accumulation of raw organic matter are formed. Taking into account their genesis, stable and regular position in the soil profile, paragenetic links with the overlying horizons and...
Published in Moscow University Geology Bulletin
The article contains materials on the study of landslide deposits in the upper reaches of the Mzymta river basin. The results of 14C analysis showed that the youngest landslides are common on the southern slope of the Psekhako Ridge and date back to less than 200 and 390 ± 90, 400 ± 70 cal. years BP and more than 770 ± 150 cal. years BP. The most a...
Published in Seismic Instruments
Archeoseismological studies of the Kurmenty settlement have proved the seismogenic origin of the deformation in the walls at this site. The radiocarbon age of the first seismic event damaged the walls of the settlement is 7th century AD. The second seismic event occurred a few centuries later, probably in the late Middle Ages. The strongest seismic...
Published in Seismic Instruments
In the territory of Northwestern China (Eastern Tien Shan), a potential seismic source with Mmax = 8.0 allocated by an extraregional seismotectonic method in the 1990s is studied using the geological-geomorphologic and paleoseismic methods. Based on implemented field studies, this potential seismic source is related to the source of the high-magnit...
Peatlands are soil environments that store carbon and large amounts of water, due to their composition (90 % water), low hydraulic conductivity and a sponge-like behavior. It is estimated that peat bogs cover approximately 4.2 % of the Earth's surface and stock 28.4 % of the soil carbon of the planet. Approximately 612 000 ha of peatlands have been...
Published in Geosciences Journal
The volcanic activity of Ulleung Island generated considerable amount of pyroclastic materials composed of volcanic ash, lapilli tuff, pumice, and breccia, during the period ranging from the Pleistocene to the Holocene. The Nari Formation exposed in the southern part of the Nari caldera can be divided into four units; Nari-I, Nari-II, Nari-III and ...
