Articles | Volume 19, issue 3
https://doi.org/10.5194/hess-19-1169-2015
https://doi.org/10.5194/hess-19-1169-2015
Technical note
 | 
02 Mar 2015
Technical note |  | 02 Mar 2015

Technical Note: Higher-order statistical moments and a procedure that detects potentially anomalous years as two alternative methods describing alterations in continuous environmental data

I. Arismendi, S. L. Johnson, and J. B. Dunham

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Subject: Ecohydrology | Techniques and Approaches: Mathematical applications
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Cited articles

Arismendi, I., Johnson, S. L., Dunham, J. B., Haggerty, R., and Hockman-Wert, D.: The paradox of cooling streams in a warming world: Regional climate trends do not parallel variable local trends in stream temperature in the Pacific continental United States, Geophys. Res. Lett., 39, L10401, https://doi.org/10.1029/2012GL051448, 2012.
Arismendi, I., Johnson, S. L., Dunham J. B., and Haggerty, R.: Descriptors of natural thermal regimes in streams and their responsiveness to change in the Pacific Northwest of North America, Freshwater Biol., 58, 880–894, 2013a.
Arismendi, I., Safeeq, M., Johnson, S. L., Dunham, J. B., and Haggerty, R.: Increasing synchrony of high temperature and low flow in western North American streams: double trouble for coldwater biota? Hydrobiologia, 712, 61–70, 2013b.
Brock, W. A. and Carpenter, S. R.: Early warnings of regime shift when the ecosystem structure is unknown., PLoS ONE, 7, e45586, https://doi.org/10.1371/journal.pone.0045586, 2012.
Bulmer, M. G.: Principles of Statistics, Dover Publications Inc., New York, USA, 252 pp., 1979.
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Short summary
We present tools to assess shifts in the distributional properties of continuous environmental variables and to identify potentially anomalous years. We demonstrate the utility of these tools using stream temperature as an illustrative example. We were able to examine seasonal and annual responses to climate and other human-related influences. These tools will be useful to characterize how regimes of continuous phenomena have changed in the past, or may respond in the future.