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Environmental Sciences Europe
Fig. 3 | Environmental Sciences Europe

Fig. 3

From: Qualitative hydrology: a review of the last quarter century and a glimpse into the future from the perspective of the Division G of the Federal Institute of Hydrology

Fig. 3

Screenshot of the NTSPortal web interface showing the use of the search box to search and prioritize non-target-features of a specific mass range in SPM. The time series shows the change in peak area (relative to internal standard (IS)) from 2005 to 2018 at different measurement stations across Germany

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