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Articles 1 - 5 of 5
Full-Text Articles in Meteorology
Mechanisms Of Ice Core Stable Isotope Variability In The Upper Kaskawulsh-Donjek Region, St. Elias Mountains, Yukon, Canada, Erin A. Mcconnell
Mechanisms Of Ice Core Stable Isotope Variability In The Upper Kaskawulsh-Donjek Region, St. Elias Mountains, Yukon, Canada, Erin A. Mcconnell
Electronic Theses and Dissertations
I use instrumental and ice core records to examine drivers of observed isotope variability in the Upper Kaskawulsh-Donjek (UKD) region of the St. Elias Mountains, Yukon, Canada over the time frame of instrument-proxy overlap (mid-1900s to present). One of the drivers of post-depositional isotope signal alteration is the vertical percolation of meltwater from the glacier surface through shallow layers of snow, which causes a reduction in the amplitude of the isotope signal recorded in ice cores. I examine isotope signal preservation in two sites in the St. Elias Mountains: Eclipse Icefield and Icefield Divide. These sites are relatively close (~30 …
Past, Present, And Future Arctic Climate And National/Community Risk Assessment, Jeff Auger
Past, Present, And Future Arctic Climate And National/Community Risk Assessment, Jeff Auger
Electronic Theses and Dissertations
The Arctic is warming at a rate nearly double that of the global average. The enhanced rate of warming impacts weather and climate across the Northern Hemisphere. As the meridional (south to north) thermal gradient weakens, the middle-latitude westerlies are expected to slow and become “wavier” increasing heat and moisture advection to higher latitudes. A quasi-stationary ridge-trough system of the jet stream increases chances for droughts, floods, heatwaves, and cold spells. These impacts have already been observed as North American forest fires and early or extended Great Lake ice out. It is more important than ever to understand how the …
Event Discovery And Classification In Space-Time Series: A Case Study For Storms, Avinash Rude
Event Discovery And Classification In Space-Time Series: A Case Study For Storms, Avinash Rude
Electronic Theses and Dissertations
Recent advancement in sensor technology has enabled the deployment of wireless sensors for surveillance and monitoring of phenomenon in diverse domains such as environment and health. Data generated by these sensors are typically high-dimensional and therefore difficult to analyze and comprehend. Additionally, high level phenomenon that humans commonly recognize, such as storms, fire, traffic jams are often complex and multivariate which individual univariate sensors are incapable of detecting. This thesis describes the Event Oriented approach, which addresses these challenges by providing a way to reduce dimensionality of space-time series and a way to integrate multivariate data over space and/or time …
The Weather Of 1785: An Interdisciplinary Approach To Meteorological Reconstruction Using Forensic Synoptic Analysis, Louis K. Mcnally
The Weather Of 1785: An Interdisciplinary Approach To Meteorological Reconstruction Using Forensic Synoptic Analysis, Louis K. Mcnally
Electronic Theses and Dissertations
The purpose of the work is to discern differences and similarities in synoptic-scale rneteorology by reconstructing the weather of the year 1785 on a daily basis. This is accomplished by compiling data from both homogenous and non-homogenous observational records, and from historical anecdotal evidence as recorded in diaries, archives and contemporary publications. Through this reconstruction, it is possible to infer some characteristics of the global circulation of 1785. With forensic techniques, I develop meteorological parameters from anecdotal evidence. These data are combined with meteorological observational records to produce a database from which semi-diurnal weather maps can be constructed. Sources include …
Temperature Conditions At Orono, Maine, Ernest Claude Drew
Temperature Conditions At Orono, Maine, Ernest Claude Drew
Electronic Theses and Dissertations
This thesis is an outgrowth of a much larger piece of work which the Department of Physics, thru its instructors and major students, has undertaken to complete. The task referred to, is the compilation, arrangement, and summarizing of the various meteorological records taken at the University of Maine for the past forty-four years. These records were begun in the above department by Dr. M. C. Fernald in the year 1869 and were continued by him until 1893. The work was then transferred to the Experiment Station, where observations were made under the direction of Doctors W. H. Jordan and C. …