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On the importance of very long-term water quality records.

Burt, T.P. and Howden, N.J.K. and Worrall, F. (2014) 'On the importance of very long-term water quality records.', Wiley interdisciplinary reviews : water., 1 (1). pp. 41-48.

Abstract

This overview is concerned with the value of long-term records of water quality in river basin management. In a world where change rather than stasis is increasingly the norm, monitoring is an essential way to discover whether there are significant undesirable changes taking place in the natural environment. The regular collection and processing of information involves systematic and purposeful observation, a deliberate plan of action in which the data have considerable value given the knowledge of their context in time and space. Long-term data reveal important patterns, which allow trends, cycles, and rare events to be identified. This is particularly important for complex systems where signals may be subtle and slow to emerge. Moreover, very long data sets are essential to test hypotheses undreamt of at the time the measurements were started. This overview includes long time series from UK rivers showing how water quality has changed over time—and continues to change. An important conclusion is the long time frame of system recovery, well beyond the normal lifetime of individual governments. At a time of increasing hydroclimatic variability, long time series of water quality observations remain critically important; continuity of observations is critical at key benchmark sites.

Item Type:Article
Full text:(AM) Accepted Manuscript
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Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1002/wat2.1001
Publisher statement:This is the accepted version of the following article: Burt, T.P., Howden, N.J.K. and Worrall, F. (2014), On the importance of very long-term water quality records. Wiley Interdisciplinary Reviews: Water, 1 (1): 41–48, which has been published in final form at http://dx.doi.org/10.1002/wat2.1001. This article may be used for non-commercial purposes in accordance With Wiley Terms and Conditions for self-archiving.
Date accepted:29 July 2013
Date deposited:24 March 2015
Date of first online publication:January 2014
Date first made open access:No date available

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