National Repository of Grey Literature 5 records found  Search took 0.00 seconds. 
Distribution of identified clues of contaminated sites in the Czech Republic
Suchánek, Zdeněk ; Řeřicha, Jaroslav ; Krhovský, Jan
The project of Phase 2 of the National Inventory of Contaminated Sites (NIKM 2) includes the preparation of geographical data. The initial and main task of this part of the project is to acquire the finding database using remote sensing methods. During the first 16 months of the NIKM 2 project, a thematic layer of 14 different types of contaminated site (CS) clues (indicia), respectively of potentially contaminated sites (PCS) clues, was created by interpreting photomaps and other geographical data. The works of 12 CENIA interpreters were carried out in the environment of the geographic information system QGIS. Interpretation of remote sensing data revealed 34,666 clues in the first phase of interpretation. The primary finding database was further revised in order to objectify and standardize its content. The number of valid clues was thus reduced by about half. Thematic classification of the indices enabled a subsequent statistical evaluation, which serves as a basis for the optimization of the field survey, i.e. for the planning of the area inventory taking into account the character of the territory. From the evaluation of the collected data we can also consider the effectiveness of regulations and measures of local authorities and the link to the socio-economic, resp. demographic indicators, etc. The graphical and tabular outputs document the spatial links of the identified contaminated site indications and are the basis for the next phases of providing geographical support for the inventory work of the NIKM 2 project in 2019-2021.Uh
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Actual state of contaminated sites collection based on remote sense methods in launched NIKM 2 project
Suchánek, Zdeněk ; Řeřicha, Jaroslav
In the first year of implementation of the National Inventory of Contaminated Sites (NIKM 2) project (2018-2021), the task of interpretation of the indications of contaminated sites by Remote Sensing is addressed. The methodology was developed in NIKM 1 project (2009-2012). A total of 12 CENIA´s specialists systematically pass through the territory of the Czech Republic and record the indications (signs) of contaminated sites by interpreting raster data (orthophotomaps, topographic maps, digital relief model - DMR5 etc.). The first step was to complete the knowledge base of expressions of interest objects and to refine their typology (14 types of indicia) in the form of an interpretation key (manual). The task is solved in the QGIS sw tool (freeware). For the team, a single interactive map composition has been created including the possibility of adding additional cartographic works according to current and individual needs. Workflow monitoring allows iterations of methodological knowledge to manage next work phases and statistics of interpretation results. On the basis of already performed interpretation works on an area of about 6000 km2 in 19 municipalities with extended competence, the types and numbers of indications with the knowledge from NIKM stage 1 are compared and data for the continuation of works are obtained. On the basis of the initial experience, an interpretation methodology was slightly modified. The finer differentiation of some types of interest objects and the inclusion of new map data are intended to create a better and more informative basis for field surveys. Compared to the results of the interpretation of the indices in the test areas of the first stage of NIKM, the number of indications in the majority of previously only sporadically detected types of indications increased unequivocally.
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Land use GIS of Jinačovice municipality
Kelblová, Kristýna ; Opatřilová, Irena (referee) ; Bartoněk, Dalibor (advisor)
This master thesis focuses on the development of the GIS in the Jinačovice municipality, particularly on the land use. The core data used for the research has been gathered by aerial photography since 1950. Other data sources include other types of maps, especially Cadastral map, ZABAGED data and statistical data. An analysis of the Land use has been carried out as well as additional analyses of the area. The research has been conducted specifically for the Jinačovice municipality.

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