The OLS Warming Trend at Nuuk, Greenland: A Note

Autor:	G. Robin Edwards, Jamal Munshi
Rok vydání:	2016
Předmět:	Hurst exponent Geography Climatology Global warming Climate change Spurious relationship Rescaled range analysis Fossil fuel emissions
Zdroj:	SSRN Electronic Journal.
ISSN:	1556-5068 1866-2013
DOI:	10.2139/ssrn.2776867
Popis:	The deseasonalized monthly mean surface temperature time series for Nuuk, Greenland in the 148-year sample period 1866-2013 shows a statistically significant OLS warming trend of 0.1C per decade. Rescaled range analysis of the deseasonalized and detrended residuals reveals a high value of the Hurst exponent indicative of memory, dependence, and persistence in the time series. A robust test for trends described in a previous paper (Munshi, 2015) indicates that the observed OLS trend in the Nuuk data is spurious and therefore possibly an artifact of dependence and persistence.
Databáze:	OpenAIRE
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