Comparison of HOMER and ACMANT homogenization methods using a central Pyrenees temperature dataset

Pérez-Zanón, N.; Sigró, J.; Domonkos, P.; Ashcroft, L.

The aim of this research is to compare the results of two modern multiple break point homogenization methods, namely ACMANT and HOMER, over a Pyrenees temperature dataset in order to detect differences between their outputs which can affect future studies. Both methods are applied to a dataset of 44 monthly maximum and minimum temperature series placed around central Pyrenees and covering the 1910–2013 period. The results indicate that the automatic method ACMANT produces credible results. While HOMER detects more breaks supported by metadata, this method is also more dependent on the user skill and thus sensitive to subjective errors.

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Pérez-Zanón, N. / Sigró, J. / Domonkos, P. / et al: Comparison of HOMER and ACMANT homogenization methods using a central Pyrenees temperature dataset. 2015. Copernicus Publications.

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