National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Methodology of thematic mapping of environmental phenomena by remote sensing methods
Řeřicha, Jaroslav ; Suchánek, Zdeněk ; Krhovský, Jan
The general methodology of conducting thematic mapping works using remote sensing methods is based on the authors' experience with the task of “Supporting Inventory of Contaminated Sites by Remote Sensing Methods” within the National Stake Inventory Inventory Stage 2 (NIKM2) works. Identification and location of possible sites, resp. objects of interest with probable contamination by distance methods (“contaminated site clues”) represent an important part of the methodology of contaminated sites inventory and fill approximately 50% of the input to the database of sites for inventory. A concrete example of the project (case study) “Mapping the distribution of indications of contaminated sites in the Czech Republic” illustrates the applicability of the developed methodology.
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Methodology of thematic mapping of environmental phenomena by remote sensing methods
Řeřicha, Jaroslav ; Suchánek, Zdeněk ; Krhovský, Jan
The general methodology of conducting thematic mapping works using remote sensing methods is based on the authors' experience with the task of “Supporting Inventory of Contaminated Sites by Remote Sensing Methods” within the National Stake Inventory Inventory Stage 2 (NIKM2) works. Identification and location of possible sites, resp. objects of interest with probable contamination by distance methods (“contaminated site clues”) represent an important part of the methodology of contaminated sites inventory and fill approximately 50% of the input to the database of sites for inventory. A concrete example of the project (case study) “Mapping the distribution of indications of contaminated sites in the Czech Republic” illustrates the applicability of the developed methodology.
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Specification of the methodology for the review of clues of contaminated sites obtained with the use of remote sensing
Suchánek, Zdeněk ; Řeřicha, Jaroslav ; Krhovský, Jan
In the initial phase of the 2nd stage of the National Inventory of Contaminated Sites (NIKM), we are focusing on the collection of clues of contaminated sites using Remote Sensing methods. Looking over the first batch (about 38,7 % of the territory is evaluated) of data recorded in the ORPs ("small districts“), we set the details of the methodology for the 2nd degree of interpretation of the clues, i.e. for the review of the data from the 1st degree of interpretation. Four reviewers (review interpreters) are involved in the review of the clues interpreted by twelve 1st degree evaluators. A simulation of three kinds of approaches to the interpretation was done in one “average” ORP. A considerable part of the clues from the 1st stage of interpretation was eliminated via unification in the case of multiplied clues, or deleted in the case of misinterpretation and/or of their little importance or insignificant interpreted volume. In some cases, retyping was applied. Final selection of clues is considered to be the result of the standardized approach of the reviewers. Comments from the discussion forms a set of recommendations for the review process.
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