scholarly journals USING A DYNAMIC APPROACH FOR ZONING THE COAST OF THE SEA OF AZOV

2020 ◽  
Vol 1 (5) ◽  
pp. 207-213
Author(s):  
A.E. Tsygankova ◽  
◽  
L.A. Bespalova ◽  
O.V. Ivlieva ◽  
A.A. Magaeva ◽  
...  
Keyword(s):  
Coastal Zone ◽  
River Flow ◽  
Geological Structure ◽  
Anthropogenic Factors ◽  
Coastal Processes ◽  
Coastal Protection ◽  
Sea Of Azov ◽  
Dynamic Approach ◽  
The Sea Of Azov ◽  
Geological Conditions

The purpose of this work is to comprehensively study the ecological and geological conditions and results of monitoring studies of the coastal territories of the Bay of Taganrog and the Sea of Azov to identify indicators for assessing natural risks. The object of research is a complex system of the coastal zone, consisting of subsystems of land, sea and coast. The subject of the study is the assessment of the risk of loss of territory as a result of various natural factors, both constant over time (geological structure, height of the coastal cliff) and changing (dynamics of the level, waves, wind conditions). Within this framework, we show the use of a dynamic approach for zoning the shores of the Sea of Azov, performed based on a comprehensive analysis of natural and anthropogenic factors that determine the development of dangerous coastal processes (DCP). All factors divided into two groups: those that increase the intensity of coastal processes and those that contribute to reducing their manifestations. It established that hydrodynamic factors in the development of DCP are the determining factors. Anthropogenic impact can be associated with both global and regional impacts, through ecosystem changes, regulation of river flow, environmental pollution, and local – irrational coastal protection, industrial and agricultural activities in the coastal zone, unauthorized removal of beach material, etc.

scholarly journals ACTIVE, PASSIVE AND STABLE SHORES OF THE SEA OF AZOV

2021 ◽  
Vol 1 (6) ◽  
pp. 178-184
Author(s):  
A.E. Tsygankova ◽  
L.A. Bespalova ◽  
A.A. Magaeva ◽  
E.V. Bespalova ◽  
D.A. Podkolzina
Keyword(s):  
Geological Structure ◽  
Coastal Processes ◽  
Type I ◽  
Sea Of Azov ◽  
Natural Factor ◽  
The Sea Of Azov ◽  
Type Iv ◽  
Geological Conditions ◽  
Structure Height ◽  
The Impact

The purpose of this work is to comprehensively study the ecological and geological conditions and the results of monitoring studies of the coastal territories of the Taganrog Bay and the Sea of Azov to identify the degree of manifestation of dangerous coastal processes (DCP). The subject of the study is to assess the degree of manifestation of DCP under the influence of various natural factors, both constant in time (geological structure, height of the coastal cliff), and changing (dynamics of the level, waves, wind regime) and the impact of man-made causes. The performed factor analysis allows us to assert that the main natural factor of the intensification of DCP is the extreme surge levels (adverse end dangerous events: AE and DE). The types of shores are constant, but with different degrees of manifestation of DCP, they change significantly. As a result, according to these studies, maps were constructed for the average long-term (1980), intensive manifestation (2013–2014) and the period with a relatively calm manifestation of the intensity of DCP (2018–2020). According to the activity, the manifestations of DCP are divided into 4 types: type I – with a very high c (>4 m/year), type II – with a high (2–4 m/year), type III – with an average (1–2 m/year), type IV – with a weak rate (<1 m/year) of abrasions, which include subtypes of banks formed by exogenous processes (abrasive, abrasive-landslide, accumulative), indicating the conditions of their formation and the reasons for the isolation of the danger of coastal processes.

scholarly journals BAYESIAN NETWORK FOR RISK ASSESSMENT OF ABRASION PROCESSES IN THE COASTAL AREA OF THE SEA OF AZOV

2021 ◽  
Vol 1 (6) ◽  
pp. 40-46
Author(s):  
V.V. Kulygin ◽  
Keyword(s):  
Risk Assessment ◽  
Bayesian Network ◽  
Coastal Zone ◽  
Probabilistic Method ◽  
Coastal Processes ◽  
Sea Of Azov ◽  
Land Area ◽  
Study Region ◽  
The Sea Of Azov ◽  
Abrasion Rate

The coast of the Sea of Azov is characterized by a high population density and economic development. At the same time, a significant part of the sea coast is subject to abrasion. High coastal cliff retreat rates determine the relevance of assessing possible losses in this region. The aim of the work is to develop a model for assessing the risk of abrasion processes in the coastal zone of the Sea of Azov. Bayesian networks, which are often used to study coastal processes, were selected as a model toolkit. To assess the abrasion hazard in the coastal zone of the Sea of Azov, a network, consisting of two subnets, is proposed. The “Hazard Assessment” subnet describes the effect of exogenous factors on the abrasion rate. The “Risk Assessment” subnet is designed to determine the consequences (the magnitude of expected losses) of the abrasion process. The main attention is paid to the characteristics of the Bayesian network nodes. In the model, the risk from hazardous coastal processes is expressed in natural terms: the lost land area and the number of damaged facilities located on the coast. The Bayesian model is coupled with a geographic information system on base of the geospatial representation of the study region. An example of assessment the lost land area for a part of the Taganrog Bay coast is considered. Comparison of the losses estimates based on Bayesian network and average abrasion rate is given. Proposed probabilistic method provide additional information, enriching the decision-making process.

The Sea of Azov: Recent abrasion processes and problems of coastal protection

2016 ◽  
Vol 471 (2) ◽  
pp. 1269-1272 ◽  
Author(s):  
G. G. Matishov ◽  
L. A. Bespalova ◽  
O. V. Ivlieva ◽  
A. E. Tsygankova ◽  
L. V. Kropyanko
Keyword(s):  
Coastal Protection ◽  
Sea Of Azov ◽  
The Sea Of Azov

scholarly journals MARINE LITTER ON THE COAST OF THE SEA OF AZOV: STRUCTURE AND DISTRIBUTION

2020 ◽  
Vol 1 (5) ◽  
pp. 149-153
Author(s):  
A.V. Kleshchenkov ◽  
◽  
K.S. Sushko ◽  
Keyword(s):  
Economic Development ◽  
Marine Environment ◽  
Marine Debris ◽  
Coastal Processes ◽  
Sea Of Azov ◽  
Marine Litter ◽  
The Sea Of Azov

The article is devoted to one of the most urgent problems of modern Oceanology – marine litter. The purpose of this work was to study the distribution of marine litter on the coast of the sea of Azov. The article presents the results of field expeditions, during which observations were made on an wide network of points covering various parts of the coast, which differ both in the type and direction of coastal processes, as well as in recreational load and economic development. All marine litter was divided into 12 classes and an assessment of the occurrence of various classes was performed. The regularities of the distribution of various classes of marine debris are considered and information about their quantity in different areas is provided. There is a widespread contamination of the coast of the sea of Azov with mounting foam, which is potentially dangerous in the context of microplastic pollution of the marine environment.

scholarly journals ANALYSIS OF SOIL DEGRADATION AND DESERTIFICATION IN SOUTHERN BALKASH DESERT BASED ON GIS

REPORTS ◽  
2020 ◽  
Vol 2 (330) ◽  
pp. 41-48
Author(s):  
A.G. Gabdykadyr ◽  
G.T. Issanova ◽  
Y.Kh. Kakimzhanov ◽  
Long Ma
Keyword(s):  
Remote Sensing ◽  
Land Cover ◽  
River Flow ◽  
Remote Sensing Data ◽  
Geological Structure ◽  
Anthropogenic Factors ◽  
Economic Activities ◽  
Spectral Bands ◽  
Indirect Sign ◽  
Tasseled Cap Transformation

Desertification and degradation provide a clear picture of global environmental and socio-economic issues. Most of Kazakhstan is located in a desert region, including the suburbs of South Balkhash. The reason is that desertification of the region has a strong influence on natural and anthropogenic factors. To consider the geomorphological state of the region and the problem of desertification of the territory, it is necessary to determine the importance of the process of relief of geological structure and relief of tectonics. In recent years, the environmental situation in Balkhash has deteriorated sharply not only as a result of river flow regulation, but also as a result of non-commercial economic activities. Therefore, it is very important to assess the situation of desertification and degradation in the Balkhash region. Desert vegetation has been identified, since information in the spectral range is often insufficient to describe the state of plants, plant indices often develop by combining two or more spectral bands. Land cover index is the percentage of vegetation over a given surface area. Remote sensing information was used to detect the entire land cover. Remote sensing with time and space limitations is widely used to classify vegetation cover. In this work, the proportion of vegetation was estimated by NDVI. The proportion of land cover is based on the relationship between NDVI (NDVIS) and NDVI (NDVIV) in the soil. Using the NDVI index, land cover zones were determined based on satellite images of 2006 and Landsat-5 from 2011. TCT (Tasseled Cap Transformation) coefficients are used in the widest range of problems solved using Earth remote sensing data: from recognition of the coastline of water bodies to determination of forest disturbances. Stressful vegetation may be an indirect sign of the presence of salt in soils. Saline soils are usually characterized by poorly planted areas. A normalized differential salinity index (NDSI) was also determined.

scholarly journals FEATHER-GRASS STEPPES OF THE SEA OF AZOV COASTAL ZONE

2011 ◽  
Vol 1 (1) ◽  
Author(s):  
В. П. Коломійчук ◽  
Д. В. Щербаков ◽  
П. В. Малаков
Keyword(s):  
Coastal Zone ◽  
Sea Of Azov ◽  
The Sea Of Azov ◽  
Feather Grass

scholarly journals Complex coastal protective measures to protect the sandy beach

2020 ◽  
Vol 175 ◽  
pp. 12017
Author(s):  
Yuriy Dreizis ◽  
Vladislav Kostin
Keyword(s):  
Coastal Zone ◽  
The Black Sea ◽  
Coastal Processes ◽  
Coastal Protection ◽  
Western Coast ◽  
Shore Protection ◽  
Wave Impact ◽  
Engineering Project ◽  
Incoming Wave ◽  
Protective Measures

The environmental impact of the engineering project was taken into account when carrying out comprehensive studies of shore protection engineering measures for the Lazurnoye region of the Kherson region of Ukraine on the north-western coast of the Black Sea. The optimal configuration of hydrotechnical structures are choosen to protect the beach in the region of the incoming wave impact. The entire coastline of the Lazurnoye region is about 3000 meters. In the course of modelling and numerical experiments, the transfer of bottom sediments to the coast, the evolution of the coastline and beaches, and other coastal processes were studied. The project of comprehensive coastal protection of the Lazurnoye region, presented on the basis of mathematical and hydraulic modelling, has allowed the development of engineering solutions that meet coastal protection and environmental requirements. The most expedient variant of coastal protective measures was the creation of a system of the beachprotected structures capes from sections of the permeable slope-steps designs with wave damping chambers. The presented research results and the solution of many problems of the dynamics of the coastal zone of the sea can be considered as an attempt to manage coastal processes on rather large and complex sections of the coast with a joint solution to the problems of hydraulic engineering, management of water quality in the coastal zone of the sea, and the choice of optimal options with the least impact on the environment.

scholarly journals Analysis of medical-ecological and socio-demographic factors of development of the coastal zone of the Sea of Azov

2020 ◽  
Vol 26 (3) ◽  
pp. 105-123
Author(s):  
Olga Arkhipova ◽  
Elena Chernogubova ◽  
Tamara Tarasova
Keyword(s):  
Sustainable Development ◽  
Coastal Zone ◽  
Demographic Factors ◽  
Environmental Safety ◽  
Malignant Neoplasms ◽  
Sea Of Azov ◽  
The Sea Of Azov ◽  
Socio Demographic Factors ◽  
Territorial Water ◽  
The Impact

Coastal zones are integral natural and socio-economic territorial-water system, combined by a complex structure of interactions. Coastal geosystems are unique, rich in natural resources, which determines their attractiveness for industrial and residential, recreational, transport and other activities, but also makes them environmentally vulnerable. Sustainable development of the coastal zone is determined by the economic, social, and environmental components. The research area of interest is the coastal zone of the Sea of Azov (Rostov Region). The subject of the study is the state of medical and environmental safety of the territories. The purpose of the study is the analysis of medical-ecological and socio-demographic factors as the basis for sustainable development of the coastal zone of the Sea of Azov. A systematic approach has been implemented to assess the sustainable development of the coastal zone and to develop methods for analyzing and integrating heterogeneous data. Changes in the coastal zone were evaluated based on a comparative analysis of multizone satellite imagery with ground-based studies, data from thematic maps. For the analysis of medical and environmental safety, an author’s technique was used, combining traditional methods and geoinformation technologies based on ArcGis Desktop*. The environmental quality indicator was considered in terms of the impact on human health. Assessment of demographic security was carried out based on the coefficient of demographic well-being / prosperity of the territory. The incidence rate of malignant neoplasms was considered as a highly informative and socially significant indicator of the health status of the population. For analysis, we used the SSC RAS database for 2006-2016. A comprehensive analysis of the development factors of the coastal zone of the Sea of Azov showed significant problems in the studied region. The most attractive areas of the coastal zone of the Sea of Azov from the point of view of infrastructure development are at the same time subject to changes due to dangerous natural phenomena. Analysis of demographic indicators confirmed the presence of adverse demographic processes.

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