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Origin And Provenance Of Spherules And Magnetic Grains At The Younger Dryas Boundary, Yingzhe Wu, Mukul Sharma, Malcom A. Lecompte, Mark N. Demitroff, Joshua D. Landis

Dartmouth Scholarship

One or more bolide impacts are hypothesized to have triggered the Younger Dryas cooling at ∼12.9 ka. In support of this hypothesis, varying peak abundances of magnetic grains with iridium and magnetic microspherules have been reported at the Younger Dryas boundary (YDB). We show that bulk sediment and/or magnetic grains/microspherules collected from the YDB sites in Arizona, Michigan, New Mexico, New Jersey, and Ohio have (187)Os/(188)Os ratios ≥1.0, similar to average upper continental crust (= 1.3), indicating a terrestrial origin of osmium (Os) in these samples. In contrast, bulk sediments from YDB sites in Belgium and Pennsylvania exhibit (187)Os/(188)Os ratios <<1.0 and at face value suggest mixing with extraterrestrial Os with (187)Os/(188)Os of ∼0.13. However, the Os concentration in bulk sample and magnetic grains from Belgium is 2.8 pg/g and 15 pg/g, respectively, much lower than that in average upper continental crust (=31 pg/g), indicating no meteoritic contribution. The YDB site in Pennsylvania is remarkable in yielding 2- to 5-mm diameter spherules containing minerals such as suessite (Fe-Ni silicide) that form at temperatures in excess of 2000 °C. Gross texture, mineralogy, and age of the spherules appear consistent with their formation as ejecta from an impact 12.9 ka ago. The (187)Os/(188)Os ratios of the spherules and their leachates are often low, but Os in these objects is likely terrestrially derived. The rare earth element patterns and Sr and Nd isotopes of the spherules indicate that their source lies in 1.5-Ga Quebecia terrain in the Grenville Province of northeastern North America.

Azúcar Negra: (Re) Envisioning Race, Representation, And Resistance In The Afrofeminista Imaginary, Kiley Jeanelle Guyton Acosta

Spanish and Portuguese ETDs

In this dissertation, I locate contemporary articulations of afrofeminismo in manifold modes of cultural production including literature, music, visual displays of the body, and digital media. As a point of departure, I examine the development of afrofeminismo in relation to colonial sexual violence in sugar-based economies to explain how colonial dynamics inflect ideologies of blanqueamiento/embranquecimento (racial whitening) and pseudo-scientific racial determinism. In this context, I address representations of the mujer negra (black woman) and the mulata (mulatto woman) in Caribbean and Brazilian cultural discourse. Specifically, I analyze how the discourses around, as well as by, these figures contribute(d) to the …

Synoptic-Scale Precursors, Characteristics And Typing Of Nocturnal Mesoscale Convective Complexes In The Great Plains, Shawn M. Milrad, Cailee M. Kelly

Publications

Mesoscale convective complexes (MCCs) occur frequently during the warm season in the central U.S. and can produce flooding rains, hail and tornadoes. Previous work has found that the synoptic-scale environment can greatly affect, and be affected by, the development and maintenance of MCCs. Ninetytwo MCC cases from 2006–2011 are manually identified using infrared satellite imagery and partitioned into three types (upstream trough, zonal and ridge) using a unique manual synoptic typing based on 500- hPa height patterns. Upstream trough cases feature an amplified longwave 500-hPa trough upstream of the MCC genesis region (GR), while the 500-hPa flow is relatively flat …

The Foreign Ear: Elizabeth Bishop's Proliferal Wit & The Chances Of Change, Kelly Barrett Brown

All Theses and Dissertations (ETDs)

Abstract

The Foreign Ear: Elizabeth Bishop's Proliferal Wit & the Chances of Change

Elizabeth Bishop has been widely celebrated as a painterly or photographic poet, a naturalist and geographer, and yet she was a subtly exquisite musician of wordplay attuned to subvocal effects. This dissertation examines a network of Bishop's affinities and aesthetic commitments, including her wish to "say the most difficult things" and "be funny, if possible." One surprising claim regarding the poet's variously called "All Eye," "the famous eye," etc., is that her sense of the spiritual is rather antithetical to an ocular regime: even those extremely fluid, …

'A Moment Of Magic': Coyote, Tricksterism, And The Role Of The Shaman In Rudolfo Anaya's Sonny Baca Novels, Roy Turner

English Language and Literature ETDs

In Rudolfo Anayas Zia Summer, Rio Grande Fall, Shaman Winter, and Jemez Spring, the protagonist—Sonny Baca—undertakes a murder investigation that ultimately leads him to confront Raven, a mysterious figure whose acts of violence threaten the social fabric of Albuquerque, the American Southwest, and the entire world. In battling Raven, Sonny comes to realize that both he and his foe have the ability to access a spiritual power that takes root in the myths and belief systems of various cultures, including Sonny's Chicano community, Native American peoples of the region, and ancient civilizations throughout the world, from which Sonny draws power …

Above-Ground Biomass And Structure Of 260 African Tropical Forests, Simon L. Lewis, Bonaventure Sonké, Terry Sunderland, Serge K. Begne, Gabriela Lopez-Gonzalez, Der Heijden Gmf Van, Oliver L. Phillips, Kofi Affum-Baffoe, Timothy R. Baker, Lindsay Banin, Jean François Bastin, Hans Beeckman, Pascal Boeckx, Jan Bogaert, Cannière C De, Eric Chezeaux, Connie J. Clark, Murray Collins, Gloria Djagbletey, Marie Noël K. Djuikouo, Vincent Droissart, Jean Louis Doucet, Cornielle E.N. Ewango, Sophie Fauset, Ted R. Feldpausch, Ernest G. Foli, Jean François Gillet, Alan C. Hamilton, David J. Harris, Terese B. Hart, Haulleville T De, Annette Hladik, Koen Hufkens, Dries Huygens, Philippe Jeanmart, Kathryn J. Jeffery, Elizabeth Kearsley, Miguel E. Leal, Jon Lloyd, Jon C. Lovett, Jean Remy Makana, Yadvinder Malhi, Andrew R. Marshall, Lucas Ojo, Kelvin S.H. Peh, Georgia Pickavance, John R. Poulsen, Jan M. Reitsma, Douglas Sheil, Murielle Simo, Kathy Steppe, Hermann E. Taedoumg, Joey Talbot, James R.D. Taplin, David Taylor, Sean C. Thomas, Benjamin Toirambe, Hans Verbeeck, Jason Vleminckx, Lee J.T. White, Simon Willcock, Hannsjorg Woell, Lise Zemagho

School of Geography, Earth and Environmental Sciences

We report above-ground biomass (AGB), basal area, stem density and wood mass density estimates from 260 sample plots (mean size: 1.2 ha) in intact closed-canopy tropical forests across 12 African countries. Mean AGB is 395.7 Mg dry mass ha −1 (95% CI: 14.3), substantially higher than Amazonian values, with the Congo Basin and contiguous forest region attaining AGB values (429 Mg ha −1 ) similar to those of Bornean forests, and significantly greater than East or West African forests. AGB therefore appears generally higher in palaeo- compared with neotropical forests. However, mean stem density is low (426 ± 11 stems …

Prospectus, September 4, 2013, Ted Sutterlund, Matthew Jackson, Alex Wallner, Mace Mackiewicz

Prospectus 2013

CARPOOL PARKING: EASY ALTERNATIVE FOR DRIVERS?; The right reasons to pick a college; 200 years very Grimm trivia; CAS a good resource for students; Before the missiles fly against Syria; Down with the patent trolls; Cobra volleyball continues hot start; Parkland Art Gallery features new fall exhibits

Uncertainty Analysis Of The Large Zone Economic Module (Lzem) Of The Se3m Model Of Land Use And Transportation, Alex Norr, Dr. Michael Clay

Journal of Undergraduate Research

Integrated land use and transportation forecasting models are used to assist decision makers in the policy analysis and infrastructure capital improvements selection process (1, 2, and 3). These models are typically given precise, point-estimate inputs that are mathematically linked, through a series of submodels, to forecasted model outputs (4 and 5). These point-estimate inputs represent an unrealistic level of precision and a growing body of research is focusing on statistical techniques to model uncertainty in model inputs and parameters and tracking the effects of this uncertainty through the various submodels to the model outputs (see 4, 6, and 7 and …

September 4, 2013 General Faculty Minutes, University Of South Carolina

Faculty Senate

No abstract provided.

Dendroarcheology: William Hawk’S Cabin And The Human History Of Utah, J. Joseph Naylor, Dr. Matthew Bekker

Journal of Undergraduate Research

Dendrochronology is the process by which tree rings are measured and compared with others to determine the age and growth rates of trees. It has a variety of emphasis that allow for the extensive use of tree rings in studying many different fields. Some of these include; dendroclimatology, the study of climate patterns, dendromorphology, the study of natural hazard events (earthquakes, avalanches, mass movements), and dendroarcheology, the study of old wooden structures to determine cutting dates and construction practices.

Examining Links Between The Lds Faith And Cervical Cancer Mortality Rates Of The American West, Austin Parker, Dr. Ruth Kerry

Journal of Undergraduate Research

Several medical geography studies have identified Utah as an outlier in terms of various illnesses with far lower rates than other states in the country. Gooaverts (2009) noticed small clusters of low cervical cancer rates in Utah compared to other states, although he wasn’t specifically studying the heavy LDS influence on Utah’s population. Lower cervical cancer rates in Utah could be attributed to the LDS “Law of Chastity”, which discourages sexual relationships outside of marriage as up to 99% of cases of cervical cancer have been linked to the human papilloma virus, a sexually transmitted disease (http://www.cancerrecovery.org.uk/cervical-cancer). A goal of …

A Propane Oven For The Uros Islands, Jeffrey Perry, Dr. Randy Lewis

Journal of Undergraduate Research

High in the Andes Mountains lives a group of Peruvians who spend their lives on the Uros Islands of Lake Titicaca. To purchase supplies at the nearest city, Puno, islanders must take a 20 minute motorboat trip and 10 minute taxi ride. Because trips to the city are infrequent, islanders rarely have the opportunity throughout the week to eat fresh baked breads, meats and desserts. The oven building team from the Global Engineering Outreach Class (GEO) at Brigham Young University decided to design, build and implement a portable oven, heated by propane that could be easily used and manufactured by …

Juvenile King Scallop, Pecten Maximus, Is Potentially Tolerant To Low Levels Of Ocean Acidification When Food Is Unrestricted, Mb Sanders, Tp Bean, Th Hutchinson, Quesne Wjf Le

School of Geography, Earth and Environmental Sciences

No abstract provided.

Assessing Uncertainty In Volunteered Geographic Information For Emergency Response, Michael Camponovo

Geography ETDs

This research project examines data produced by volunteers through the Ushahidi web platform in response to the earthquake that struck Haiti in January 2010. Volunteers translated messages submitted by victims in Haiti, categorized each message based on its content, and georeferenced each message on a dynamic web based map. When categorizing the data, volunteers were able to assign up to 8 main and 42 subcategories to each message. Initial inspection of the attribute data produced by the volunteers indicated a strong discrepancy between the contents of the messages submitted by the victims and the corresponding attributes assigned to those messages …

Winthrop’S Common Book Inspires Global Programming This Fall, Winthrop University

Winthrop News 2013

• Issues from the book highlight Common Book-related programming throughout the fall semester, beginning Sept. 10.
• All events are free, approved cultural events and open to the public.

Spatially Explicit Data: Stewardship And Ethical Challenges In Science, Joel N. Hartter, Sadie J. Ryan, Catrina A. Mackenzie, John N. Parker, Carly A. Strasser

Geography

Scholarly communication is at an unprecedented turning point created in part by the increasing saliency of data stewardship and data sharing. Formal data management plans represent a new emphasis in research, enabling access to data at higher volumes and more quickly, and the potential for replication and augmentation of existing research. Data sharing has recently transformed the practice, scope, content, and applicability of research in several disciplines, in particular in relation to spatially specific data. This lends exciting potentiality, but the most effective ways in which to implement such changes, particularly for disciplines involving human subjects and other sensitive information, …

De Kwakel B.V. V. Hajaj, Hanan Melcer, Salim Joubran, Elyakim Rubinstein

Translated Opinions

[This abstract is not part of the Court's opinion and is provided for the reader's convenience. It has been translated from a Hebrew version prepared by Nevo Press Ltd. and is used with its kind permission.]

This is an appeal on a judgment of the Tel Aviv District Court, in which the appellants’ action for a permanent injunction against the respondents, which would prohibit them from utilizing (within the meaning of this term in the Plant Breeders’ Rights Law, 1973) protected varieties of “gerbera” seedlings and flowers (hereinafter: “the protected varieties”), the registered rights in which are held by the …

Correlation Of Hyperspectral Bands From Remotely Sensed Imagery And Urban Leaf Area Index, Derek Farnes, Dr. Ryan Jensen

Journal of Undergraduate Research

As the world’s urban population continues to grow, more and more attention is being given to the environment in which humans live – urban areas. Unfortunately, urban expansion often leads to considerable loss of urban forest and its associated amenities. When studying the urban forest, a critical biophysical variable to consider is leaf area index (LAI) which is defined as the ratio of leaf surface area divided by ground area. Due to the importance of this variable, efficient methods have been sought for estimating LAI in urban areas. Potential has been found in measuring LAI with a hyperspectral sensor using …

The Daily Egyptian, September 03, 2013, Daily Egyptian Staff

September 2013

No abstract provided.

Raziskovalna Produktivnost In Ustvarjanje Znanja V Slovenskih Ekonomsko-Poslovnih Šolah, Simon Čadež, Vlado Dimovski, Katja Okorn

Economic and Business Review

The article analyses research productivity and knowledge creation at three leading Slovenian business schools in the period from 2000 to 2011. Research productivity, content and quality of new knowledge created are measured using the bibliometric method, and research productivity is also compared between schools and between individual researchers. The main findings of the study are: (1) research productivity over the period studied tends to increase, (2) much of the knowledge created is not in the field of economics and business, (3) the quality of new knowledge created is relatively low, and the creation of cutting-edge knowledge is low, (4) research …

Restraurant Regions : An Ecological Community Based Model Of Restaurant Chain Distribution In The United States, Stephen Griego

Geography ETDs

The scope of this paper is an exercise in regional identification within the geography of the United States. This paper applied a hierarchical clustering methodology to analyze the distribution of restaurants in the landscape. The clustering model utilized in this study is commonly used in analysis of ecological communities. Each restaurant chain was treated as an individual biological species, and the clustering software analyzed it as such. The individual restaurant chain locations were treated as individual samples in the environment. Wards (1963) algorithm was used to group the individual restaurant chain locations into related clusters using simple correlation as the …

Development Of A Chemical Source Apportionment Decision Support Framework For Catchment Management., Sean D.W. Comber, Russell Smith, Peter Daldorph, Michael J. Gardner, Carlos Constantino, Brian Ellor

School of Geography, Earth and Environmental Sciences

EU legislation, including the Water Framework Directive, has led to the application of increasingly stringent quality standards for a wide range of chemical contaminants in surface waters. This has raised the question of how to determine and to quantify the sources of such substances so that measures can be taken to address breaches of these quality standards using the polluter pays principle. Contaminants enter surface waters via a number of diffuse and point sources. Decision support tools are required to assess the relative magnitudes of these sources and to estimate the impacts of any programmes of measures. This work describes …

Development Of A Chemical Source Apportionment Decision Support Framework For Catchment Management, Sdw Comber, R Smith, P Daldorph, Et Al

School of Geography, Earth and Environmental Sciences

EU legislation, including the Water Framework Directive, has led to the application of increasingly stringent quality standards for a wide range of chemical contaminants in surface waters. This has raised the question of how to determine and to quantify the sources of such substances so that measures can be taken to address breaches of these quality standards using the polluter pays principle. Contaminants enter surface waters via a number of diffuse and point sources. Decision support tools are required to assess the relative magnitudes of these sources and to estimate the impacts of any programmes of measures. This work describes …

Evaluation Of Hydraulic Roughness Routines And Properties In The Presence Of Vegetation, Abdou Harissou Ouro Bang'na Nassam

Civil Engineering ETDs

Hydraulic roughness in the presence of vegetation is notoriously difficult to predict. However, reliable methods for predicting flow resistance in vegetated channels and floodplains are needed in order to address the needs of modern river engineering. To this end, the objectives of this research were: (1) to evaluate methods for determining hydraulic roughness within open channels in the presence of vegetation, and (2) to advance understanding of the influence of vegetation on the turbulence characteristics of the flow field. Three major activities were completed in order to address these objectives. First, a roughness calculator spreadsheet was developed based on a …

Telran Communications, Ltd. V. Charlton, Ltd., Zvi Zylbertal, Isaac Amit, Elyakim Rubinstein

Translated Opinions

[This abstract is not part of the Court's opinion and is provided for the reader's convenience. It has been translated from a Hebrew version prepared by Nevo Press Ltd. and is used with its kind permission.]

Facts: The Respondent and Cross-Petitioner (hereinafter: Charlton) acquired the exclusive right to broadcast the summer 2006 FIFA World Cup in the State of Israel. The Petitioner and Cross-Respondent (hereinafter: Telran) sold decryption cards (hereinafter: cards) that enabled the decryption of encrypted satellite broadcasts of foreign broadcast networks. The foreign networks broadcasted the World Cup games by encrypted satellite broadcast. The broadcasts …

The College, Career, And Civic Life (C3) Framework For Social Studies State Standards: Guidance For Enhancing The Rigor Of K-12 Civics, Economics, Geography, And History, Kathy Swan, Keith C. Barton, Stephen Buckles, Flannery Burke, Jim Charkins, S. G. Grant, Susan W. Hardwick, John Lee, Peter Levine, Meira Levinson, Anand Marri, Chauncey Monte-Sano, Robert Morrill, Karen Thomas-Brown, Cynthia Tyson, Bruce Vansledright, Merry Wiesner-Hanks

Curriculum and Instruction Reports

No abstract provided.

Faculty Senate Committee Book (September 2013), Csusb Faculty Senate

CSUSB Faculty Senate records

No abstract provided.

Review Of Computer-Aided Numerical Simulation In Wind Energy, Aaron Miller, Byungik Chang, Roy Issa, Gerald Chen

Civil Engineering Faculty Publications

Many advances have been made during the last decade in the development and application of computational fluid dynamics (CFD), finite element analysis (FEA), numerical weather modeling, and other numerical methods as applied to the wind energy industry. The current information about this area of study may help researchers gage research efforts. Specifically, micro-siting, wind modeling and prediction, blade optimization and modeling, high resolution turbine flow modeling, support structure analysis, and noise prediction have been the main focuses of recent research. The advances in this area of research are enabling better designs and greater efficiencies than were possible previously. The trends …

Requests Of Brown By Lc Classification: September 2013, Ruth E.. Souto

HELIN Monthly Loan Statistics

Requests of Brown from other HELIN libraries -September 2013

Cross Country And Track Media Guide 2013-2014, Wofford College. Department Of Athletics

Media Guides

No abstract provided.