First International Conference on MOLDAVIAN RISKS – FROM ...

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<strong>First</strong> <strong>International</strong> <strong>Conference</strong> on MOLDAVIAN RISKS - FROM GLOBAL TO LOCAL SCALE 16-19 May 2012, Bacau, Romania GEOLOGICAL AND PALEONTOLOGICAL MONUMENTS IN REPUBLIC OF MOLDOVA (CASE STUDY VILLAGE NASLAVCEA, DISTRICT OCNIŢA) Cristina Mogorici, Igor Nicoara Academy of Sciences of Moldova, Institute of Geology and Seismology Corresponding author: Cristina MOGORICI, cristinamogorici@gmail.com Abstract: At present in Republic of Moldova, there are 87 geological monuments with total size 2682 hectares. That are protected by “Law on Natural Areas Protected by the State (1998)”. These protected areas have different management and land use destination (forest agency “Moldsilva”, local authority and other). The chaotic retrocession of land areas in 1990-s to private owners, without any concern on the existing protected areas, raised new and great difficulties in conservation in protected areas. Under such circumstances, it is not surprising that the deterioration of the geological monuments prevails on their protection and conservancy. We selected small village for this study named Naslavcea. It situated in northern part of the Republic of Moldova and it is extrimaly northern point of our contry. This locality is in canyon valley of the rivulet Chisărău right tributary of the Dniester River. Five geological monuments are known from village Naslvcea: “Outcrops of drainage silica”, valley “Rudii Iar”, valley “Karpov Iar”, “Tectonic steep slope of the Dniester River near Naslavcea village” and “Outcrops with Badenian sands”. Assessment of geological monuments in the Republic of Moldova was conducted of the UNDP project “Improving coverage and management effectiveness of the Protected Area System in Moldova”. The aim of this work is to evaluate geological monuments (revision of GPS coordinate, administration of areas, revision of stratigraphy and taxa list of remains). The sustainable development of geological and paleontological monuments are requires interdepartamental coherent strategies, wich must include buessnes plan of turism development in this areas. Key words: Geoconservation, Republic of Moldova, geological monuments, Naslavcea. 42
<strong>First</strong> <strong>International</strong> <strong>Conference</strong> on MOLDAVIAN RISKS - FROM GLOBAL TO LOCAL SCALE 16-19 May 2012, Bacau, Romania INVESTIGATION OF THE POTENTIAL HAZARDS GENERATORS IN THE VICINITY OF THE MUNICIPAL LANDFILLS Bogdan Stanescu, Marinela Petrescu, Gheorghe Batrinescu National Research and Development Institute for Industrial Ecology - ECOIND, Department for Environmental Pollution Assessment and Monitoring Corresponding author: Bogdan Stanescu, evmt@incdecoind.ro Abstract: Areas situated in the proximity to landfills have several features of great importance in further, as some of these areas can get changing in the future to residential destinations. It is therefore important to determine the quality of environmental components in these areas and to identify all hazards that may create risks for the area analyzed. Complex investigations carried out in the proximity to landfills will have as a final risk estimation, one of which shows the importance induced by the emissions of methane that may migrate into soil / subsoil in the vicinity of the deposit. This paper presents a methodology for assessing risks with the following steps: the documentary stage involves collecting relevant information on the landfill site, site history, and the date on geomorphology, geology and hydrogeology of the area. In the subsequent stages, it identifies the potential sources of the gaseous emissions in soil / subsoil and the potential migration pathways and receptors proceed to investigate complex area. As a case study was chosen site of a landfill in Bucharest, which was crossed methodology of investigation: they made wells and the gas collection were measured in situ the concentrations of gases (CH4, O2, CO2, CO and H2S) with a portable analyzer, were made boreholes to determine the groundwater flow conditions and analytical investigations on the environmental quality of components (soil, groundwater, surface water) in the proximity of the landfill. In terms of the methodology, the risk estimation is based on the identification and the expression of two categories of factors, including the likelihood and effects on receptors that highlight risk levels resulting in a scale with five levels of risk, at a very low risk to high risk levels. The risk can be quantified by the indicator "Gas Screening Value", which is the product of the maximum concentration measured in gas borehole and the measured flow. Applying the methodology for the selected location as a case study allowed the identification of hazards and risk generating, the risk assessment, elements necessary to development the measures of protection required are taken in case the future of location will be for the residential. Key words: biogas, landfill, waste, methane, risk, assessment. 43
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