Sunday, June 16, 2013

Tracer Dyes

Dye tracing is tracking and tracing various flows using dye added to the liquid in question. The purpose of tracking may be an analysis of the flow itself, of the transport of something by the flow of the objects that convey the flow. It is an evolution of the ages-known float tracing method, which basically consists of throwing a buoyant object into a waterflow to see where it goes or where it emerges.

Switzerland's Plaine Morte glacier - LINK



50L of Rhodamine WT dye were discharged into the East Point of Darwin Harbour - LINK

Uranine dye moving downstream in Fisher Creek - LINK

Fluorescent dyes being injected into a moulin - LINK

Surface stream on the ice sheet during pilot work - LINK

A researcher at the University of Edinburgh, pours fluorescent dye into waters beside Russell Glacier in western Greenland.Photo credit: Ashley Cooper -  LINK



Injecting Rhodamine-WT into the glacier interior. Photo credit: Karen Heppenstall. - LINK
Tracer dye is used to measure hydrologic flow in North Slope rivers. Photo credit: Bill Schnabel, WERC - LINK


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