Highly Integrated and Mobile Sensor System for Dissolved Organic Matter in Stream Ecosystems

Highly Integrated and Mobile Sensor System for Dissolved Organic Matter in Stream Ecosystems

The impact of agricultural land use on the composition of dissolved organic matter (DOM) and its effects on the aquatic carbon cycle are still largely unknown. A sensor for dissolved DOM in stream ecosystems based on fluorescence measurement was developed. It’s an easy to use handheld optical system...

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Veröffentlicht in:Proceedings 2018-12, Vol.2 (13), p.1507
Hauptverfasser: Thomas Posnicek, Gabriele Weigelhofer, Alexander Eder, Martin Brandl
Format: Artikel
Sprache:eng
Schlagworte:
agriculture
BIX
DOM
FIX
fluorescence index
fluorescence sensor
freshness index
stream ecosystems
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Beschreibung
Zusammenfassung:The impact of agricultural land use on the composition of dissolved organic matter (DOM) and its effects on the aquatic carbon cycle are still largely unknown. A sensor for dissolved DOM in stream ecosystems based on fluorescence measurement was developed. It’s an easy to use handheld optical system for online monitoring of DOM under field-conditions. For the determination of DOM two indices are used, namely the freshness index (BIX) and the fluorescence index (FIX).
ISSN:2504-3900
DOI:10.3390/proceedings2131507