Title: The development of a portable battery-powered telemetry system for use in water quality investigations
Author: S.P. Halfacree
Document Type: Monograph
Abstract:
In recent years developments in battery-powered microprocessors have provided a means of logging data produced by water quality monitoring instruments. Data loggers are capable of recording large volumes of data which can be subsequently transferred to a computer system for analysis. Continuous monitoring, employing data loggers, has revealed significant episodic water quality events in a variety of situations and is a valuable tool in understanding pollution influences on the aquatic environment. However, in certain applications, the delay, between the acquisition of data by the logger and its availability to the scientist, detracts from the value of continuous monitoring. The use of a telemetry system can eliminate this delay. The transmission of data to a manned location in more or less 'real-time' can be extremely useful by allowing officers to respond whilst an incident is in progress. There are a variety of optiona which might be taken in response to knowledge that a pollution incident is in progress, including a site inspection by a Pollution Control Officer, specialised manual spot sampling, formal sampling, advice to the polluter or, with some telemetry systems, the remote triggering of an automatic sampler. The use of telemetry systems would have a considerable deterrent effect on potential polluters especially if skillfully publicised. The aim of this desk study is to examine the range of telemetry systems available and select one system for field evaluation. Any other systems which might be preferable, in certain specialised applications, will also be highlighted.
Publisher: National Rivers Authority
Publication Date: 1990
Publication Place: Cardiff
Subject Keywords: Water quality; Water quality measurements; Techniques; Telemetry; Batteries
Extent: n.p. [12]
Permalink: http://www.environmentdata.org/archive/ealit:3067
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