Statistically optimal grouping using combined cluster and discriminant analysis (CCDA) on a geochemical database of thermal karst waters in Budapest

Kovacs, J [Kovács, József (Földtudomány), szerző] Általános és Alkalmazott Földtani Tanszék (ELTE / TTK / Ft_K); Eross, A [Erőss, Anita (Hidrogeológia), szerző] Általános és Alkalmazott Földtani Tanszék (ELTE / TTK / Ft_K)

Angol nyelvű Szakcikk (Folyóiratcikk) Tudományos
Megjelent: APPLIED GEOCHEMISTRY 0883-2927 1872-9134 84 pp. 76-86 2017
  • SJR Scopus - Pollution: Q1
  • Föld- és kapcsolódó környezettudományok
  • Kémiai tudományok
Budapest, the capital of Hungary, is famous for its abundant thermal waters. The monitoring network of the thermal karst waters of Budapest consists of 27 sampling locations, from which data for six geochemical parameters and temperature were available for the period 1960-2010. Based on this data, the optimal grouping for the sampling locations was sought using combined cluster and discriminant analysis. Furthermore, the homogeneity of the obtained groups, as well as temporal changes in the overall monitoring system were investigated. The seven groups found are in accordance with the previously established hydrogeological conditions, i.e. the grouping can be considered as optimal. The results obtained using combined cluster and discriminant analysis on the geochemical and temperature database of Budapest have important practical implications, since the thermal waters are an intensely used resource. Any artificial intervention will influence locations belonging to the same group, and therefore the optimal grouping of sampling locations will help in the planning of further activities, This case study might serve as an example in other settings where multiple measurements at multiple sampling locations from a monitoring network are available. (C) 2017 Elsevier Ltd. All rights reserved.
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2022-12-09 07:45