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Full-Text Articles in Physical Sciences and Mathematics

Land Use Land Cover Change Effects On Southern Great Plains Precipitation, Alexandra Caruthers Dec 2017

Land Use Land Cover Change Effects On Southern Great Plains Precipitation, Alexandra Caruthers

Department of Earth and Atmospheric Sciences: Dissertations, Theses, and Student Research

Great Plains land use has changed substantially over the last 160 years, altering the properties of the land through increased settlement and advances in irrigation. Changing the interface between the land and atmosphere has implications for the atmospheric boundary layer, the regional circulation, the local surface energy budget and resulting precipitation patterns. Land use land cover (LULC) changes are an important topic for this region due to its heavy dependence on agriculture. This study investigates differences in Southern Great Plains precipitation patterns between four LULC scenarios: the pre-settlement, 1920’s, Dust Bowl and present day eras. Using the Weather Research and …


Weather And Climate Summary And Forecast: December 2017 Report, Gregory V. Jones Dec 2017

Weather And Climate Summary And Forecast: December 2017 Report, Gregory V. Jones

Linfield University Wine Studies Reports

This report provides a summary of the weather and climate forecast for December 2017. It includes forecast information specific to the Pacific Northwest and the western United States, as well as forecast information for other portions of the United States and abroad.


"There Is No Planet B": Frame Disputes Within The Environmental Movement Over Geoengineering, David Russell Zeller Jr. Apr 2017

"There Is No Planet B": Frame Disputes Within The Environmental Movement Over Geoengineering, David Russell Zeller Jr.

USF Tampa Graduate Theses and Dissertations

This dissertation examines frame disputes within the environmental movement over geoengineering proposals. Among other core framing tasks, social movement organizations must evaluate solutions and strategies for the social problems they seek to address. These framings are frequently disputed by those within the movement. Recent controversies regarding a set of climate intervention proposals commonly known as geoengineering offer the opportunity to document the ongoing construction of competing visions of environmental sustainability. The nascent quality of these proposals generate dissonant framings—episodes where organizations within the environmental movement exhibit disagreement about one or more core framing tasks—a situation Goffman referred to as a …


Influence Of Volcanic Eruptions On Tropical Hydroclimate During The Last Millennium, Christopher Colose Jan 2017

Influence Of Volcanic Eruptions On Tropical Hydroclimate During The Last Millennium, Christopher Colose

Legacy Theses & Dissertations (2009 - 2024)

Volcanic eruptions exert the most important radiative forcing on Earth’s climate during the pre-industrial interval of the last millennium. In this thesis, I investigate the role of volcanic eruptions in altering tropical climate, including temperature and rainfall. I primarily use forced transient simulations of the last millennium as a tool to explore how explosive volcanic events project onto the hydrologic cycle, as well as the imprint of water isotopologues (H216O, H218O) associated with rainfall. Attention is given to the South American continent specifically (in chapter 2), and to the entire tropics (in chapter 3).