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Wintertime Weather-Climate Variability And Its Links To Early Spring Ice-Out In Maine Lakes, Mussie Beyene, Shaleen Jain
Wintertime Weather-Climate Variability And Its Links To Early Spring Ice-Out In Maine Lakes, Mussie Beyene, Shaleen Jain
Publications
In recent decades, Maine lakes have recorded their earliest ice-out dates in over a century. In temperate regions, seasonal lake ice-cover is a critical phenomenon linking climate, aquatic ecosystem and society. And the lengthening of the ice-free period due to warmer climate has been linked to increased algal growth and declining lake water quality, warming of water temperatures leading to alterations in aquatic biodiversity, and the shortening of ice-fishing period and other traditional winter activities over lakes. In this study, historical record of eight lakes and six benchmarked meteorological stations in Maine for the period 1950–2010 were analyzed to (1) …
Nonstationarity In Seasonality Of Extreme Precipitation: A Nonparametric Circular Statistical Approach And Its Application., Nirajan Dhakal, Shaleen Jain, Alexander Gray, Michael Dandy, Esperanza Stancioff
Nonstationarity In Seasonality Of Extreme Precipitation: A Nonparametric Circular Statistical Approach And Its Application., Nirajan Dhakal, Shaleen Jain, Alexander Gray, Michael Dandy, Esperanza Stancioff
Publications
Changes in seasonality of extreme storms have important implications for public safety, storm water infrastructure, and, in general, adaptation strategies in a changing climate. While past research on this topic offers some approaches to characterize seasonality, the methods are somewhat limited in their ability to discern the diversity of distributional types for extreme precipitation dates. Herein, we present a comprehensive approach for assessment of temporal changes in the calendar dates for extreme precipitation within a circular statistics framework which entails: (a) three measures to summarize circular random variables (traditional approach), (b) four nonparametric statistical tests, and (c) a new nonparametric …