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Author

Christian Opp

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2 papers indexed here

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Open access Sep 2026

Chemical Mass Fluxes and Water Quality Assessment of the Transboundary Shu River, Central Asia

This study presents long-term background concentration estimates for hydrochemical parameters in the Shu River at the Kaynar transboundary section for 2002–2025 and assesses chemical mass transport across this section. Annual mean values for 31 hydrochemical parameters were analyzed; 533 annual values were processed, a...

A. Musakulkyzy, A. Madibekov, Christian Opp et al. · 0 citations
Open access Sep 2026

The Integrated Spatial Ecological Risk Assessment of Heavy-Metal Contamination in Arid Mining-Influenced Region in Central Asia

The spatial distributions of the potential ecological risk index (RI) and the geoaccumulation index (Igeo) in soils of the Zhetysu region (Kazakhstan) were examined. The enrichment factor ranged from 39.4 for cadmium to 21,481 for nickel. There are few non-ferrous metal enterprises and mineral deposits located in the r...

A. Madibekov, A. Karimov, L. Ismukhanova et al. · 0 citations

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