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  • Author: Nicoleta Iurist Dumitrașcu x
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Nicoleta Iurist (Dumitraşcu), Florian Stătescu and Iustina Lateş


Earth observation and space analysis of land areas, oceanic and atmospheric phenomena is a necessity nowadays.

European Space Agency (ESA) is developing a new family of satellites, called Sentinel, in order to perform the operational needs of the environmental monitoring program, Copernicus. Since 2014 until now ESA have successfully launched four satellites, which have a proven track record.

This paper contains information about Sentinel constellation, features of the satellite images and also the applications of Sentinel satellite images. This paper also describes how to purchase satellite data and the software that can be used to view and analysis data are named.

The aim of this paper is to analyze the changes of land cover and land use of study area, in two different periods, based on Sentinel satellite images.

Open access

Iustina Lateș, Mihail Luca, Ștefania Chirica and Nicoleta Iurist Dumitrașcu


The development of a GIS model that includes both information on real estate cadaster and water supply networks is an efficient one. The paper presents the stages of making such a model, starting from field measurements, to structuring the database and custom layouts. Today’s large volume of data requires information to be centralized into tables that are then attached to graphical entities. In the analysis it was considered that the main components of the real estate cadaster system are the field, the parcel, the owner, and for the water supply network distribution networks, hydrants and manhole. GIS programs aim to specifying properties on custom layouts on structural and functional areas. Autocad and ArcMap software allow you to get themed maps on specific system domains. The study model can be simple to complex and can be generalized for any hydro-urban system (urban localities, rural localities, industrial areas, etc.).