At the end of a flowing route that exceeds 2,860 km, through an impressive catchment area that covers more than 80% of Europe, the Danube, the second largest river in Europe, intersects the Black Sea forming the delta which is known as one of the great wetlands of the planet. The stretches of water and land formed here offer good living conditions to many species of plants and animals. The purpose of this study was to create several maps that present these aspects of the Danube Delta wetland using a set of GIS technologies. Since the GIS technology is an important tool in the analysis of geographic areas, we managed to obtain the following maps: hypsometric, slope, slope orientation and flood direction. Since September 1990, the Danube Delta Biosphere Reserve has been recognised internationally as a wetland; specifically, the Danube Delta Biosphere Reserve has been recognised internationally as a wetland, especially for water birds habitat. The value of the World Heritage Site of the Danube Delta Biosphere Reserve was recognised in December 1990 by including more than half of its surface into the World Cultural and Natural Heritage List.   Keywords: Danube Delta, flood accumulation, natural heritage, slope, wetlands.

The Danube Delta is recognition as natural international capital in Romania. In 1991 it was designated as Ramsar site and World Natural Heritage Site for a surface of 50% of its area. Also, in 1992 it is recognized as a Biosphere Reserve. The Danube Delta is a large protected area at international level, but at national level certain areas of the Danube Delta are only natural reserves. The Danube Delta is recognized as a Natural Biosphere Reserve by Government Decision 248/1994. In 1994, a GEF (Global Environment Facility) project was set and Park Administration implements the management plan. The Danube Delta has so far been the only protected area with its own administration. At national level, will be provided support for the establishment and strengthening of the necessary institutional framework, for the adoption of the laws on protected areas and strengthening legislative framework. Also, for preparation human resource which is a public participation component of popularization the idea of nature conservation and protected areas. The purpose of this article consisted of choosing Danube Delta area where the possible floods occur due to different weather phenomenon. To do this using ArcMap 10.5 programs were conducted a simulation map of flooding in the area under study.

Geographic information systems (GIS) are increasingly being applied on a large scale. In the last decade, the technologies of processing the GIS have been successfully used worldwide in vineyards. GIS applications have as a final result the improvement of the wine production, improving not only the quantity but also the quality of wine. The purpose of the article is to provide a current overview of the role of geospatial technologies associated with viticulture. We analyzed Dealu Mare vineyard: six locations of the site, adequacy analysis and identification of vineyard land use. The research was carried out using the digital model (DEM) with a resolution of 30 m. The research focused on obtaining within the studied wine area the following maps: hypsometric, slopes, geology, land use and soils maps, with the program ArcMap 10.5. Geospatial techniques allow the study of natural spatial variability and winegrowers and enologists should also understand why these vineyards are unique in the studied geographical area thanks to the close link between altitude, slope and the soil type.

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