Economic Economic development of the world's maritime nations, including Georgia, is directly related to the coastal environment and the ongoing natural or anthropogenic processes which determined its sustainability and exploitation opportunities. In the coastal zone are located the urbanized areas, agricultural lands, motorways and recreational complexes. Georgia's Black Sea resorts continue to attract tourists to the resort areas of the coast that required the expansion, restoration of eroded beaches and the development of appropriate infrastructure at international standards. Unfortunately, the prevalence of the parochial bureaucratic interests over environmental issues and ignorance of negative coastal process development, inefficiency of implemented coast protection measures and limited funding for carrying out necessary works, caused Georgian shoreline erosion. In this regard, coast may not be discussed as isolated body because it is part of one natural system and changes caused by natural phenomena or man-made impact will be reflected on the coast of neighboring countries. In whole, human intervention (withdrawal of beach sediments, river channel regulations, dam and reservoirs constructions and port structures assembling in coastal zone) in natural processes not only improved country economic state, but together with current natural events, due to sea level rise, causing storm phenomena activation and land inundation, shore subsiding, provoked the increase of coast erosion tendency, activation of beach disappearance and threatened to located there infrastructure with destruction and huge material losses. The recovery of latter requires several billion U.S. dollars worth of materials and works. In the presented article is discussed the problem of Georgia Black Sea coast erosion and necessary measures for its protection on the basis of conceptual approaches, which also imply the using of new technologies and methods of beach protection. In case of given proposal implementation in practice, the results of planned research can be widely applied both for sandy as well as pebbly-gravel beaches of any sea.
In the presented article the reason of the village Anaklia territory, the site of the planned construction of a deep-sea commercial port� flooding is discussed. It should be noted that the village mainly is located on the sandy shore of the river mouth of river Enguri. In calm, but rainy weather, precipitation practically freely penetrates through the sandy soil without leaving any water holes and flooded land areas after the rain. However, on March 24-25, 2021, in rainy weather and stormy seas, the village was partially inundated by rainy water, due to which the first floors of residential buildings and hotels were flooded, and significant damage was caused to residents of such places. Therefore, this extraordinary case aroused a certain interest in order to develop a preventive measure to exclude a possible recurrence of the noted phenomenon. In our case during the storm, the top of the wave crest was elevated over the mean sea level to 3.5 meters, caused partial blockage of river Enguri runoff, due to which the water level in the river arose and seeped into the sandy layer to the ground. In article, the quantitative data of the theoretical calculations of the wave parameters that led to the development of this phenomenon are presented.
Abstract:The atmosphere, which is one of the main components of the environment, undergone significant changes in recent decades as a result of anthropogenic impact. The rapid pace of technological processes will significantly increase the anthropogenic load on the environment, which leads to climate change and influence on mankind and ecosystems. The article deals with the dynamics of the aerosols and harmful substance's emissions, described by regions and cities of Georgia over the 2001-2010 year period. The dynamics of "Greenhouse Gas" emissions distributed from the transport sector are evaluated separately (apart). By 2010, the industrial emissions of harmful substances, induced by the operating plants, located in Georgia, amounted to 30 134 thous. tons for the year. Among them: the solid pollutants constitute 3 658 thous. tons, the liquids and gases amounted to 26 476 thous. tons. The main polluter regions of Georgia are: Imeretia, Qvemo Qartli, Adjaria and some regions of Shida Qartli. This contributes to 89% of the pollution. The most polluted cities include: Batumi, Tbilisi, Gardabani, Rustavi and Kaspi that contributes to 69% of aerosol emission. The most pollutant sources in Georgia include: transportation (44.4%), agriculture (27.4%), energy sector (24.3%) and industry (3.86%). The influence of meteorological conditions on atmospheric pollution is assessed (both, in warm and cold periods). The correlation exists in meteorological elements and atmospheric pollutant ingredients, also between this ingredient only, that plays an important role in the aerosol accumulation process in the atmosphere. The complex physical-geographical (high mountains, closed valleys, rich water resources) as well as meteorological (synoptic processes, inversion, isothermal) conditions in Georgia facilitate aerosol accumulation in soil, because of which, changes in microclimate are possible.
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