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An opto‐electronic sediment detector and its use in the chemical micro‐profiling of lakes
Author(s) -
CUNNINGHAM C. R.,
DAVISON W.
Publication year - 1980
Publication title -
freshwater biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.297
H-Index - 156
eISSN - 1365-2427
pISSN - 0046-5070
DOI - 10.1111/j.1365-2427.1980.tb01216.x
Subject(s) - profiling (computer programming) , sediment , detector , environmental science , remote sensing , optoelectronics , materials science , computer science , geology , telecommunications , geomorphology , operating system
SUMMARY. A device for detecting (with minimum disturbance) the sediment‐water interface in lakes is described. It is based on a commercially available slotted ‘opto‐switch’ incorporating a light emitting diode and a phototransistor. The design of an audible and visual indicator is given. Possible uses are discussed and an example of chemical micro‐profiling near to the sediment with the aid of the device is reported.