automatic release instrument with underwater buoy for marking of field equipment

In practical fieldwork one often encounters the problem of marking registration instruments placed below the water surface. Marking buoys can for various reasons disappear if they are placed visibly, valuable equipment and data thus being lost. In this paper a new technique and a new instrument for...

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Veröffentlicht in:	Water resources research 1976-01, Vol.12 (2), p.309-312
Hauptverfasser:	Hakanson, L, Edlund, L, Uhrberg, R
Format:	Artikel
Sprache:	eng
Schlagworte:	water management water resources
Online-Zugang:	Volltext
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