Technical specifications of low-frequency radio identification bedload tracking from field experiments: Differences in antennas, tags and operators
- Arnaud, F.
- Piegay, H.
- Vaudor, L.
- Bultingaire, L.
- Fantino, G.
DOIAbstract
International audienceLow-frequency passive integrated transponders (PIT tags) have been increasingly used for tracking bedload transport in gravel-bed rivers. Prior studies have reported high recovery rates in small streams, while recovery rates remained much lower in large systems, in large part because of the limited reading distance of the tags (<1 m). Some laboratory tests have identified controlling factors for detection ranges (tag and antenna size, tag orientation, burial, submergence, etc.). Beyond these tests, improving our understanding of PIT tag functioning, using different equipment within different environments, is still needed in order to select the most suitable device for each geomorphic context. We address this knowledge ...
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