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Articles 1 - 30 of 348
Full-Text Articles in Physical Sciences and Mathematics
Cnh: Fine-Scale Dynamics Of Human Adaptation In Coupled Natural And Social Systems: An Integrated Computational Approach Applied To Three Fisheries, James A. Wilson, James Acheson, Robert Steneck, Yong Chen, Teresa R. Johnson
Cnh: Fine-Scale Dynamics Of Human Adaptation In Coupled Natural And Social Systems: An Integrated Computational Approach Applied To Three Fisheries, James A. Wilson, James Acheson, Robert Steneck, Yong Chen, Teresa R. Johnson
University of Maine Office of Research Administration: Grant Reports
The purpose of this project is to gain a better understanding of the way competition between individual fishermen lead to the emergence of private incentives and informal social arrangements that are (or are not) consistent with conservation of the resource. These informal arrangements and incentives are important because they help us understand the extent to which private interests might strengthen or weaken on-going resource management and, consequently, the sustainability of coupled human and natural systems. The broad hypothesis driving the study is that the informal social structure that emerges from competitive interactions among fishermen reflects the particular circumstances of the …
The Ecological Genomic Basis Of Salinity Adaptation In Tunisian Medicago Truncatula, Maren L. Friesen, Eric J.B. Von Wettberg, Mounawer Badri, Ken S. Moriuchi, Fathi Barhoumi, Peter L. Chang, Sonia Cuellar-Ortiz, Matilde A. Cordeiro, Wendy T. Vu, Soumaya Arraouadi, Naceur Djébali, Kais Zribi, Yazid Badri, Stephanie S. Porter, Mohammed Elarbi Aouani, Douglas R. Cook, Sharon Y. Strauss, Sergey V. Nuzhdin
The Ecological Genomic Basis Of Salinity Adaptation In Tunisian Medicago Truncatula, Maren L. Friesen, Eric J.B. Von Wettberg, Mounawer Badri, Ken S. Moriuchi, Fathi Barhoumi, Peter L. Chang, Sonia Cuellar-Ortiz, Matilde A. Cordeiro, Wendy T. Vu, Soumaya Arraouadi, Naceur Djébali, Kais Zribi, Yazid Badri, Stephanie S. Porter, Mohammed Elarbi Aouani, Douglas R. Cook, Sharon Y. Strauss, Sergey V. Nuzhdin
College of Agriculture and Life Sciences Faculty Publications
Background: As our world becomes warmer, agriculture is increasingly impacted by rising soil salinity and understanding plant adaptation to salt stress can help enable effective crop breeding. Salt tolerance is a complex plant phenotype and we know little about the pathways utilized by naturally tolerant plants. Legumes are important species in agricultural and natural ecosystems, since they engage in symbiotic nitrogen-fixation, but are especially vulnerable to salinity stress. Results: Our studies of the model legume Medicago truncatula in field and greenhouse settings demonstrate that Tunisian populations are locally adapted to saline soils at the metapopulation level and that saline origin …
Us Coast And Geodetic Survey Aerial Photos From 1927, 1928, 1932, 1935, 1952 And 1954 Covering South Florida, Peter Harlem
Us Coast And Geodetic Survey Aerial Photos From 1927, 1928, 1932, 1935, 1952 And 1954 Covering South Florida, Peter Harlem
Sea Level Rise Collection
Summary of the Dr. Harold R. Wanless collection of film copies and scanning project.
Mitigating The Effects Of Climate Change With Wind Energy And Gis, Rachael Isphording, Richard Snow, Mary Snow
Mitigating The Effects Of Climate Change With Wind Energy And Gis, Rachael Isphording, Richard Snow, Mary Snow
Publications
The climate is changing, and humans are heavily exacerbating these changes. As the effects of climate change are being felt across the planet, scientists and policy makers are uniting to increase mitigation efforts and are researching renewable, clean energy sources to reduce the amount of greenhouse gas emissions released into the atmosphere during energy production. Of the different renewable energy technologies, wind energy is one of the most researched and implemented. Over the past twenty years, researchers have been applying Geographic Information Systems (GIS) to their climate change studies. GIS allows the user to spatially view, manipulate, and analyze data …
Some Observations On Scientific Epistemology With Applications To Conflict Resolution And Constructive Controversy, Judith Puncochar, Don Faust
Some Observations On Scientific Epistemology With Applications To Conflict Resolution And Constructive Controversy, Judith Puncochar, Don Faust
Other Presentations
An overview, by Judy and Don (published in 2013 in the BULLETIN OF SYMBOLIC LOGIC):
Explorationism is a perspective wherein all of our knowledge is (so far) less than certain, and naturally would come equipped with a base logic entailing machinery for representing and processing evidential knowledge. One such base logic is Evidence Logic, which strives to deal with the phenomenon of the gradational presence of both confirmatory and refutatory evidence. From this perspective, we will address questions surrounding sociological problem areas that we see as deeply infused with substantial epistemological factors. By defining a framework as any theory, …
How The Presence Of Plastic In The North Pacific Gyre Affects The Growth Of Thalassiosira Through Remote Sensing And Laboratory Replication, Jordynn Brennan, Hesham El-Askary
How The Presence Of Plastic In The North Pacific Gyre Affects The Growth Of Thalassiosira Through Remote Sensing And Laboratory Replication, Jordynn Brennan, Hesham El-Askary
Student Scholar Symposium Abstracts and Posters
Through the use of remote sensing, we are able to determine the approximate location of the garbage patch in the North Pacific Gyre. Though remote sensing does not penetrate the surface of the ocean, monthly satellite images can be analyzed to determine the rate of growth or rate of decrease of certain parameters, such as atmospheric gases, phytoplankton, and dissolved organic matter. Over the past decade, data from the Goddard Earth Sciences Data and Information Services Center (Giovanni program) has shown a significant increase in dissolved organic matter and chlorophyll a content in the area of the North Pacific Garbage …
Iranian Nuclear Proliferation And Sanctions, Bailey Nicole Burlingame
Iranian Nuclear Proliferation And Sanctions, Bailey Nicole Burlingame
Student Scholar Symposium Abstracts and Posters
This project will involve the current problem of nuclear development in the nation of Iran. The question involved in the election studies was, “Should we try to stop Iranian Nuclear Development by increasing sanctions, yes or no?” According to the US Department of State website, they are attempting to increase these sanctions against individuals or cooperations who can be proven to have provided aid, information, or mechanical aspects to assist the goal of Iranian nuclear proliferation. The website provides identifying information for the individuals involved. The answer to this question I believe will be determined the amount of news information …
Why Is Sea Level Rising In Hampton Roads?, Larry Atkinson, Science Team, Intergovernmental Planning Pilot Project
Why Is Sea Level Rising In Hampton Roads?, Larry Atkinson, Science Team, Intergovernmental Planning Pilot Project
December 2, 2014: Hampton Roads Climate Preparedness and Resilience Exercise Series
No abstract provided.
Differences In The Diversity Of Frogspecies Between Sierra Lloronaand El Valle, Panama, Kei Okabe Thurber
Differences In The Diversity Of Frogspecies Between Sierra Lloronaand El Valle, Panama, Kei Okabe Thurber
Independent Study Project (ISP) Collection
Panama is home to the greatest diversity of species in all of Central America. It is home to 174 species of frogs, 35 of which are endemic to Panama. Frogs are a vital part of many ecosystems. They maintain insect populations and act as food sources for larger predators. Their job of maintaining insect populations is essential to curbing the spread of diseases. Additionally, scientists have found chemical compounds in the skin of frogs that can be used to treat pain and prevent infections. The main threat to the majority of frogs is the deadly fungus Batrachochytrium dendrobatidis (Bd), or …
Paris Talks: The Art Of Climate Communication, Phaedra Pezzullo
Paris Talks: The Art Of Climate Communication, Phaedra Pezzullo
Sea Level Rise Collection
No abstract provided.
Comparing Disease Prevalence In Hard Corals At Four Different Reefs Near The Island Of Narganá In The Guna Yala Comarca Of Panamá, Connor Hinton
Comparing Disease Prevalence In Hard Corals At Four Different Reefs Near The Island Of Narganá In The Guna Yala Comarca Of Panamá, Connor Hinton
Independent Study Project (ISP) Collection
Coral reefs harbor much of the world’s known marine biodiversity. For a number of reasons, coral reefs are becoming increasingly threatened. Large portions of the world’s reefs have already been lost, and the number of degrading reefs is constantly on the rise. One cause for the destruction of coral reefs are coral diseases, ultimately causing coral mortality. With the death of corals, a key species is lost, endangering the entire reef ecosystem. Documenting the presence of such diseases could be useful in assessing current reef health and ameliorating the growing threat of coral diseases. In this project, 18 40m2 belt …
Evaluating The Progress Of A Mangrove Reforestation Project On Isla Galeta, Colon, Abigail Hope Outterson
Evaluating The Progress Of A Mangrove Reforestation Project On Isla Galeta, Colon, Abigail Hope Outterson
Independent Study Project (ISP) Collection
Just off the Atlantic coast of Panama, a dynamic and self-renewing ecosystem takes advantage of the tropical climate and swampy conditions. Guarding Punta Galeta’s shores since before it was a U.S. navy base in the 1930’s, mangroves that have persisted here for centuries now draw scientists and tourists alike from all over the world to the Smithsonian Tropical Research Center. Once viewed as unproductive, distasteful environments, mangroves are increasingly recognized worldwide as critical habitat for endangered and commercially significant species, as well as for their ecological and aesthetic value. Uniquely adapted to survive in saline environments, mangroves combine methods of …
Virtual Participation Schedule, Old Dominion University
Virtual Participation Schedule, Old Dominion University
December 2, 2014: Hampton Roads Climate Preparedness and Resilience Exercise Series
Agenda for the workshop "Hampton Roads Climate Adaptation, Preparedness, and Resilience Exercise" on December 2, 2014 at the Ted Constant Convocation Center at Old Dominion University.
Out-Brief Slides: Our Children’S Time, Federal Emergency Management Agency
Out-Brief Slides: Our Children’S Time, Federal Emergency Management Agency
December 2, 2014: Hampton Roads Climate Preparedness and Resilience Exercise Series
No abstract provided.
Out-Brief Slides: Municipal Planning Advisory Committee, Federal Emergency Management Agency
Out-Brief Slides: Municipal Planning Advisory Committee, Federal Emergency Management Agency
December 2, 2014: Hampton Roads Climate Preparedness and Resilience Exercise Series
PDF of powerpoint presentation at the "Hampton Roads Climate Adaptation, Preparedness, and Resilience Exercise" on December 2, 2014 at the Ted Constant Convocation Center at Old Dominion University.
Odu Hosts White House-Sponsored Event On Sea Level Rise Preparedness, Mitigation, Public Affairs & News Bureau, Old Dominion University
Odu Hosts White House-Sponsored Event On Sea Level Rise Preparedness, Mitigation, Public Affairs & News Bureau, Old Dominion University
News Items
No abstract provided.
Marshfield Harbor, Rivers, And Waterways Management Plan, Urban Harbors Institute, University Of Massachusetts Boston, Marshfield Waterways Committee
Marshfield Harbor, Rivers, And Waterways Management Plan, Urban Harbors Institute, University Of Massachusetts Boston, Marshfield Waterways Committee
Urban Harbors Institute Publications
This Waterways, Rivers and Harbors Plan is an initiative of the Marshfield Waterways Committee (the Waterways Committee) whose mission is to “recommend procedures, policies and regulations to the Board of Selectmen of the Town of Marshfield on matters affecting the safety, navigation, recreational activities, fishing interests, natural resources and the planning and management of Marshfield's waterways.”
This plan provides recommendations to address safe navigation, natural resource protection, improvements to public access, safe recreational boating, protection of working waterfronts and related infrastructure, improvements to water quality, preparation for impacts from changes in sea level and climate, opportunities for collaboration, and clarification …
A Cross Comparison Of Spatiotemporally Enhanced Springtime Phenological Measurements From Satellites And Ground In A Northern U.S. Mixed Forest, Liang Liang, Mark D. Schwartz, Zhuosen Wang, Feng Gao, Crystal B. Schaaf, Bin Tan, Jeffrey T. Morisette, Xiaoyang Zhang
A Cross Comparison Of Spatiotemporally Enhanced Springtime Phenological Measurements From Satellites And Ground In A Northern U.S. Mixed Forest, Liang Liang, Mark D. Schwartz, Zhuosen Wang, Feng Gao, Crystal B. Schaaf, Bin Tan, Jeffrey T. Morisette, Xiaoyang Zhang
GSCE Faculty Publications
Cross comparison of satellite-derived land surface phenology (LSP) and ground measurements is useful to ensure the relevance of detected seasonal vegetation change to the underlying biophysical processes. While standard 16-day and 250-m Moderate Resolution Imaging Spectroradiometer (MODIS) vegetation index (VI)-based springtime LSP has been evaluated in previous studies, it remains unclear whether LSP with enhanced temporal and spatial resolutions can capture additional details of ground phenology. In this paper, we compared LSP derived from 500-m daily MODIS and 30-m MODIS-Landsat fused VI data with landscape phenology (LP) in a northern U.S. mixed forest. LP was previously developed from intensively observed …
Misalignments: Challenges In Cultivating Science Faculty With Education Specialties In Your Department, Seth D. Bush, Nancy Pelaez, James A. Rudd Ii, Michael T. Stevens, Kimberly D. Tanner, Kathy S. Williams
Misalignments: Challenges In Cultivating Science Faculty With Education Specialties In Your Department, Seth D. Bush, Nancy Pelaez, James A. Rudd Ii, Michael T. Stevens, Kimberly D. Tanner, Kathy S. Williams
PIBERG Publications
Science Faculty with Education Specialties (SFES) are increasingly being hired across the United States. However, little is known about the motivations for SFES hiring or the potential or actual impact of SFES. In the context of a recent national survey of US SFES, we investigated SFES perceptions about these issues. Strikingly, perceptions about reasons for hiring SFES were poorly aligned with perceptions about potential and actual contributions reported by SFES themselves, and the advice they extended to beginning SFES was varied. While preparation of future teachers and departmental teaching needs were common reasons offered for SFES hiring, the potential and …
Anomaly Detection Through Enhanced Sentiment Analysis On Social Media Data, Zhaoxia Wang, Victor Joo, Chuan Tong, Xin Xin, Hoong Chor Chin
Anomaly Detection Through Enhanced Sentiment Analysis On Social Media Data, Zhaoxia Wang, Victor Joo, Chuan Tong, Xin Xin, Hoong Chor Chin
Research Collection School Of Computing and Information Systems
Anomaly detection in sentiment analysis refers to detecting abnormal opinions, sentiment patterns or special temporal aspects of such patterns in a collection of data. The anomalies detected may be due to sudden sentiment changes hidden in large amounts of text. If these anomalies are undetected or poorly managed, the consequences may be severe, e.g. A business whose customers reveal negative sentiments and will no longer support the establishment. Social media platforms, such as Twitter, provide a vast source of information, which includes user feedback, opinion and information on most issues. Many organizations also leverage social media platforms to publish information …
Firm-Level Productivity Spillovers In China’S Chemical Industry: A Spatial Hausman-Taylor Approach, Peter H. Egger, Badi H. Baltagi, Michaela Kesina
Firm-Level Productivity Spillovers In China’S Chemical Industry: A Spatial Hausman-Taylor Approach, Peter H. Egger, Badi H. Baltagi, Michaela Kesina
Center for Policy Research
This paper assesses the role of intra-sectoral spillovers in total factor productivity across Chinese producers in the chemical industry. We use a rich panel data-set of 12,552 firms observed over the period 2004-2006 and model output by the firm as a function of skilled and unskilled labor, capital, materials, and total factor productivity, which is broadly defined. The latter is a composite of observable factors such as export market participation, foreign as well as public ownership, the extent of accumulated intangible assets, and unobservable total factor productivity. Despite the richness of our data-set, it suffers from the lack of time …
Station Exposure And Resulting Bias In Temperature Observations: A Comparison Of He Kentucky Mesonet And Asos Data, James Kyle Thompson
Station Exposure And Resulting Bias In Temperature Observations: A Comparison Of He Kentucky Mesonet And Asos Data, James Kyle Thompson
Masters Theses & Specialist Projects
Station siting, exposure, instrumentation, and time of observations influence longterm climatic records. This thesis compared and analyzed temperature data from four Kentucky Mesonet stations located in Fayette (LXGN), Franklin (LSML), Clark (WNCH), and Bullitt (CRMT) counties to two nearby Automated Surface Observation Systems (ASOS) stations in Kentucky. The ASOS stations are located at Louisville International Airport (Standiford Field - KSDF) and at Lexington Airport (Blue Grass Field - KLEX). The null hypothesis states that there is no significant difference in temperature measurements between the two types of stations. To quantify the differences in temperature measurements, geoprofiles and the following statistical …
Extracting Interest Tags From Twitter User Biographies, Ying Ding, Jing Jiang
Extracting Interest Tags From Twitter User Biographies, Ying Ding, Jing Jiang
Research Collection School Of Computing and Information Systems
Twitter, one of the most popular social media platforms, has been studied from different angles. One of the important sources of information in Twitter is users’ biographies, which are short self-introductions written by users in free form. Biographies often describe users’ background and interests. However, to the best of our knowledge, there has not been much work trying to extract information from Twitter biographies. In this work, we study how to extract information revealing users’ personal interests from Twitter biographies. A sequential labeling model is trained with automatically constructed labeled data. The popular patterns expressing user interests are extracted and …
Hampton Roads Sea Level Rise Preparedness And Resilience Intergovernmental Planning Pilot Project, Ray Toll, David Architzel
Hampton Roads Sea Level Rise Preparedness And Resilience Intergovernmental Planning Pilot Project, Ray Toll, David Architzel
Presentations, Lectures, Posters, Reports
No abstract provided.
Review: The Wilderness Writings Of Howard Zahniser, Jillian M. Slater
Review: The Wilderness Writings Of Howard Zahniser, Jillian M. Slater
Marian Library Faculty Publications
No abstract provided.
Value-Based Land Management Conflict: Alpine Cattle Grazing In Victoria , Matthew Luciani
Value-Based Land Management Conflict: Alpine Cattle Grazing In Victoria , Matthew Luciani
Independent Study Project (ISP) Collection
In Victoria, the practice of cattle grazing in alpine areas has shaped land, culture, and history since the early nineteenth century. Characterized by early gold mining, grazing, and skiing tourism, the Victorian Alps eventually seized the attention of conservationists who understood its ecological significance and need for protection, with beginnings of an Alpine National Park idea in 1969 (Johnson, 1974, p. 180). Not until 1989, however, did the park enter into existence, meeting much resistance from farmers and graziers along the way (Mosley, 1999, p. 80). Today, however, the region remains contested between two very distinct groups of people: environmentalists …
Issues Of Social Data Analytics With A New Method For Sentiment Analysis Of Social Media Data, Zhaoxia Wang, Victor J. C. Tong, David Chan
Issues Of Social Data Analytics With A New Method For Sentiment Analysis Of Social Media Data, Zhaoxia Wang, Victor J. C. Tong, David Chan
Research Collection School of Social Sciences
Social media data consists of feedback, critiques and other comments that are posted online by internet users. Collectively, these comments may reflect sentiments that are sometimes not captured in traditional data collection methods such as administering a survey questionnaire. Thus, social media data offers a rich source of information, which can be adequately analyzed and understood. In this paper, we survey the extant research literature on sentiment analysis and discuss various limitations of the existing analytical methods. A major limitation in the large majority of existing research is the exclusive focus on social media data in the English language. There …
Is The Smartphone Smart In Kathmandu?, Seth Bird
Is The Smartphone Smart In Kathmandu?, Seth Bird
Independent Study Project (ISP) Collection
This is the extensive study of the smartphone in the developing country of Nepal, specifically the Kathmandu valley. Throughout my research I conducted various interviews with businesses, Tibetan refugees, and Nepali millennials (18yrs-33yrs) with the goal of identifying how the smartphone is used and understood. I chose the Kathmandu valley as my main area of research because the usage of smartphones in rural Nepal is extremely limited, and the valley represents the economic hub where progressive thinking flourishes. As a main objective I sought to understand how, if at all, the smartphone is used differently between Nepal and America. All …
Ecosystem Services In The Wet Tropics: A Literature Review And Economic Valuation, Alyson Cheney
Ecosystem Services In The Wet Tropics: A Literature Review And Economic Valuation, Alyson Cheney
Independent Study Project (ISP) Collection
The present study can be broken down into two sections. First, it created a literature review on the current body of knowledge regarding ecosystem services in the Australian Wet Tropics World Heritage Area. The second portion of the study was an economic valuation determining how much residents that live in the Wet Tropics value the benefits provided to them through ecosystem services. The literature review found that there were large gaps in the present body of knowledge. Biophysical studies made up the vast majority of the literature and very few ecosystem service economic valuations have been carried out for the …
Economic Equity In The Annapurna Conservation Area: Effects Of Government And Community-Based Organizations, Hanna Seltz
Economic Equity In The Annapurna Conservation Area: Effects Of Government And Community-Based Organizations, Hanna Seltz
Independent Study Project (ISP) Collection
This research addresses the impact of community-based and government organizations on rural livelihoods in protected areas (PAs) by investigating whether benefits of such organizations involved in conservation and community development reach more marginalized members of communities in the Annapurna Conservation Area (ACA) of Nepal. I conduct a case study focusing on two villages within ACA, Kagbeni and Phalyek, examining how local groups interact with each other and with the government in trying to promote equity through the ACA Project primarily through indepth, unstructured interviews. Locally-created and locally-based groups in these communities appear to be successful in managing local resources and …