Abstract: This note updates the temperature trend study of the contiguous 48 United States by Lund et al. for data observed during the 4-yr period 1997?2000. A parsimonious changepoint parameterization is now used, and the methods ...

Abstract: This paper estimates return levels of extreme snow water equivalents (SWE) in the northern Great Plains region, containing North and South Dakota, Iowa, Minnesota, and Nebraska. The return levels are estimated from ...

Abstract: This review article enumerates, categorizes, and compares many of the methods that have been proposed to detect undocumented changepoints in climate data series. The methods examined include the standard normal homogeneity ...

Abstract: Undocumented changepoints (inhomogeneities) are ubiquitous features of climatic time series. Level shifts in time series caused by changepoints confound many inference problems and are very important data features. Tests ...