Estimating the influence of fracture-block structures on the distribution of radionuclides in bottom sediments with the use of space images

2000 ◽  
Vol 6 (2-3) ◽  
pp. 31-38
Author(s):  
V.I. Lyalko ◽  
L.A. Sirenko ◽  
O.D. Fedorovskyi ◽  
A.Y. Khodorovsky ◽  
V.M. Shestopalov ◽  
...  
Keyword(s):  
Bottom Sediments ◽  
Space Images ◽  
Use Of Space ◽  
Block Structures

scholarly journals Study of mapping features of preconditions for formation of hydrocarbon deposits on the continental slope of the Western Black Sea basin

2021 ◽  
pp. 39-45
Author(s):  
I. D. Bahrii ◽  
V. G. Semeniuk ◽  
A. A. Loktiev ◽  
V. S. Loktiev ◽  
N. S. Dovbysh ◽  
...  
Keyword(s):  
Continental Slope ◽  
Black Sea ◽  
Bottom Sediments ◽  
Oil And Gas ◽  
Water Layer ◽  
Cost Effective ◽  
Bottom Layer ◽  
Gas Content ◽  
Space Images ◽  
Structural Investigations

The integral thermo-atmogeochemical structural investigations (TAGSI) have been carried out at the continental slope of the Western Black Sea Depression for the first time. The technique of TAGSI as non-traditional and cost-effective exploration technology is originally developed at Institute of Geological Sciences. It consists of phased geo-structural researches and analysis of fault tectonics, morphological analysis and neotectonic interpretation of space images, thermal and atmo-geochemical surveying, lab measurements and processing of the data acquired to build thematic map using GIS technologies. Field data acquisition stage includes thermometric, emanation and gas surveying (Rn/Tn, He, CO2, H2, free hydrocarbons) in petroleum-prone onshore areas and bottom sediments (up to 2 m below the surface) thermometry, Rn-metering and measurements of gas content in the near-bottom layer offshore.To conduct the surveying there was developed a special instrument with some modifications designed to work onshore and offshore respectively. This technology is tested in different regions of Ukraine over known oil and gas fields. The results of TAGSI are considered in the paper. The geostructural analysis, interpretation of space images, atmogeochemical survey of the near-­bottom water layer (radon, helium, carbon dioxide, hydrogen, free hydrocarbons), thermic and lithogeochemical examination of bottom sediments enable to outline the petroleum-promising areas. Morphological, structural, tectonic, stratigraphic features of the continental slope’s structure are characterized. It has been found that potential petroleum-bearing structures occur in the region, which are genetically similar to the productive Mesozoic and Cenozoic stratons of the northwestern shelf and other areas of the Crimean – Caucasian Region. The results of the carried out studies show that it is purposeful to use TAGSI for local forecast of promising targets at the early search stages, for rational location of drillholes, prospecting and recovery of hydrocarbons.

Diatoms in bottom sediments of thermokarst lakes of the Pechora Delta

2019 ◽  
pp. 285-290
Author(s):  
Elvira A. Zinnatova, Larisa A. Frolova ◽  
Larisa A. Frolova
Keyword(s):  
Bottom Sediments ◽  
Environmental Conditions ◽  
Sources Of Information ◽  
Thermokarst Lakes ◽  
Thermokarst Lake ◽  
Fouling Organisms ◽  
Diatom Complexes

The Northern lakes are good objects for paleoclimatic reconstructions. One of the sources of information about changes in the ecosystems of lakes are diatoms. The study of diatom complexes revealed 133 taxa belonging to 49 genera, 24 families, 13 orders and 3 classes in the bottom sediments of the thermokarst lake of the Pechora Delta. Dominated by the Holarctic representatives of benthic and fouling organisms giving preference to the alkaline environmental conditions.

Paleoecological study of bottom sediments of the lake Goluboye (Karelian Isthmus) according to the results of diatom analysis

2019 ◽  
pp. 265-269
Author(s):  
Angelina E. Shatalova ◽  
Uriy A. Kublitsky ◽  
Dmitry A. Subetto ◽  
Anna V. Ludikova ◽  
Alar Rosentau ◽  
...  
Keyword(s):  
Baltic Sea ◽  
Bottom Sediments ◽  
Modern Science ◽  
Karelian Isthmus ◽  
The Baltic Sea ◽  
Diatom Analysis ◽  
North West ◽  
The North ◽  
Important Direction ◽  
The Baltic

The study of paleogeography of lakes is an actual and important direction in modern science. As part of the study of lakes in the North-West of the Karelian Isthmus, this analysis will establish the dynamics of salinity of objects, which will allow to reconstruct changes in the level of the Baltic Sea in the Holocene.

HEAVY METAL SPECIATION IN BOTTOM SEDIMENTS OF THE VYSHNEVOLOTSKY RESERVOIR

2018 ◽  
pp. 46-54
Author(s):  
O. A. Lipatnikova
Keyword(s):  
Heavy Metal ◽  
Organic Matter ◽  
Bottom Sediments ◽  
Metal Speciation ◽  
Organic Matter Content ◽  
Water Reservoir ◽  
Matter Content ◽  
Heavy Metal Speciation ◽  
Mobile Forms ◽  
Manganese Hydroxides

The study of heavy metal speciation in bottom sediments of the Vyshnevolotsky water reservoir is presented in this paper. Sequential selective procedure was used to determine the heavy metal speciation in bottom sediments and thermodynamic calculation — to determine ones in interstitial water. It has been shown that Mn are mainly presented in exchangeable and carbonate forms; for Fe, Zn, Pb и Co the forms are related to iron and manganese hydroxides is played an important role; and Cu and Ni are mainly associated with organic matter. In interstitial waters the main forms of heavy metal speciation are free ions for Zn, Ni, Co and Cd, carbonate complexes for Pb, fulvate complexes for Cu. Effects of particle size and organic matter content in sediments on distribution of mobile and potentially mobile forms of toxic elements have been revealed.

The Hebridean Blackhouse on the Isle of Barra

2000 ◽  
Vol 22 (1) ◽  
pp. 1-16 ◽  
Author(s):  
KEITH BRANIGAN ◽  
COLIN MERRONY
Keyword(s):  
Nineteenth Century ◽  
Internal Space ◽  
Use Of Space ◽  
Large Families ◽  
Human Use

The Hebridean blackhouse is a well-known part of the eighteenth and nineteenth century landscape of the Western Isles, described by numerous early travellers and preserved for posterity at Arnol in Lewis. Survey and excavation of blackhouses on the Isle of Barra, however, suggests that here at least, the majority of blackhouses did not conform to the 'norm' of a long building with accommodation shared by animals and humans. Despite the large families of the Catholic population of Barra, the houses are shorter and provide less internal space than blackhouses further north in the island chain. Animals were more often housed in separate byres. Similarly, the human use of space in the Barra blackhouses shows some variations from the pattern described by nineteenth century sources. As to the origins of the blackhouse, unexcavated sites on Barra suggest two possible future routes of enquiry.

Actual problems of agrarian land resources control and ways of their solution with the use of space surveys data

2004 ◽  
Vol 10 (5-6) ◽  
pp. 187-189
Author(s):  
V.I. Voloshin ◽  
◽  
Ye.I. Bushuev ◽  
O.I. Parshina ◽  
A.Y. Pankratov ◽  
...  
Keyword(s):  
Land Resources ◽  
Use Of Space
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