Acidification of surface waters has been recognised as the major water quality problem in the UK uplands. The adverse effects of conifer afforestation on streamwater chemistry and ecology are well documented in acid-sensitive catchments and have mainly been attributed to the enhanced deposition of atmospheric pollutants onto conifer canopies (the “scavenging effect”). Currently, international and national policies promote the expansion of native broadleaf woodland in the UK. Pollutant deposition onto broadleaf canopies is considered less than onto the more aerodynamically rough conifers, but there is concern that largescale broadleaf planting could delay the recovery of acidified waters or lead to further acidification in most sensitive areas. However, there has been limited investigation of the influence of broadleaf woodland cover on streamwater chemistry in the UK. To investigate the effect of woodland cover 14 catchments with different (0-78%) percentages of broadleaf woodland cover were identified in representative acidsensitive areas in north-western and central Scotland (Glen Arnisdale and Loch Katrine area) and northern and south-western England (Ullswater area and Devon) using spatial datasets in a GIS. Streamwater was sampled at high flow from the catchment outlets in winter and spring 2005 and 2006 and was analysed for major cations, anions and trace metals using standard methods. The number of samples ranged from two in the Glen Arnisdale catchments to 10 in the Loch Katrine area catchments which were sampled more intensively. Significant positive correlations were found between percentage broadleaf woodland cover and streamwater NO3 (rs = 0.51) and soluble Al (rs = 0.64) concentrations. The greater NO3 leaching to streamwater in the three most forested catchments (> 50%) was probably due to enhanced N deposition onto woodland canopies and nitrification by alder in the Ullswater area forested catchments. Streamwater NO3 concentrations equalled or exceeded non-marine SO4 in the above catchments indicating that NO3 was the principal excess acidifying ion in catchments with greater woodland cover. The woodland effect on streamwater chemistry in the study catchments was masked to some extent by variability in acid deposition climate and soil type composition. Seasalt inputs were found to be a more important control than woodland cover for streamwater chemistry in the maritime Glen Arnisdale catchments. A risk assessment of acid-sensitivity in the study catchments was conducted by calculating streamwater critical load exceedances using the Steady-State Water Chemistry (SSWC) and First-order Acidity Balance (FAB) models and modelled pollutant deposition for 1995-97 and 2002. Critical loads were exceeded by 0.01 to 1.74 keq H ha-1 yr-1 in two catchments which had woodland covers > 50% and in the Devon control catchment. The remaining 11 study catchments were assessed to be not at risk of acidification, probably due to significantly reduced non-marine S deposition from 1986 to 2001, but seasalt inputs to the Glen Arnisdale catchments might cause acidic streamwater episodes. Acid-sensitivity was also assessed using macroinvertebrates sampled in 11 of the study catchments and the results generally agreed with the critical load assessments. More detailed estimates of the enhancement of dry S and N deposition onto birchwoods in the Loch Katrine area catchments using calculated roughness length within FRAME showed that it posed no risk for streamwater acidification in these catchments because of the high rainfall environment. However, in acid-sensitive areas of the UK with lower rainfall and closer to major pollution sources, enhanced pollutant scavenging by broadleaf woodland canopies could pose a greater risk of acidification to freshwaters. The finding that almost all study catchments with woodland covers less than 30% are well protected from acidification suggests that this is a sensible threshold value for use in risk assessments of the effects of broadleaf woodland planting conducted within the Forests and Water Guidelines. The results of a sensitivity analysis of the Guidelines’ methodology, conducted using parameters such as numbers and timing of streamwater sampling, different runoff estimates and critical acid neutralising capacity values, showed that the Guidelines should be able to protect sensitive freshwaters from acidification in areas where broadleaf woodland is expanding.

No abstract available

Recent meetings and publications have discussed what geoscience undergraduates should learn for professional success, and among other items, have identified several quantitative skills and habits of mind as being necessary for geoscience students; many of these items are commonly associated with Quantitative Literacy (QL). The Computational Geology course in the geology department has been evolving at USF for 20 years. The course teaches QL in a geologic setting independent of specific core geology topics. This course has long preceded the national acknowledgment of the need for what it teaches within the field. As the first of a series of related studies intended to find the effect and role of this course within the geoscience community, this thesis study begins as a qualitative narrative inquiry of course and program alumni. In the study reported here ten USF Geology alumni from a variety of career paths who took GLY 4866 between 1997 to 2013 underwent semi-structured interviews recounting their memories of the course, discussing the benefits to them of the course in their careers, and outlining their views of what students should gain from this course for professional success. The interview results illuminate trends that can be usefully grouped by job/career category. Regulators (3) had the shortest overall interview time, remembered the least in terms of specific events from the course, and had limited (but consistent) suggestions for student learning. Their memories and suggestions were also rarely unique. Consultants (3) were the median group in length, and showed overlap in the content of their interviews to regulators, with additional details added. Academics (4) had the longest interview times, the most detailed memories from the course, and the most suggestions, possibly due to these interviewees using similar methods in their later careers as course instructors. Consultants and academics related large blocks of story text that were unique while also relating common statements. Narratives from professionally successful alumni were sought to gain greater detail on the likely impact of Computational Geology than surveys are likely to give. The responses of selected, successful alumni were also sought to help refine questions that are to be used later in surveys of a larger sample population of alumni and to a larger national audience of geoscientists regarding their undergraduate programs and how those programs prepared them with quantitative skills. The information that interview subjects provided about the educational needs for successful entry-level geology professionals were shaped into a series of suggestions for course and program improvement. Course and program improvement suggestions and questions for a proposed survey have been assembled both to improve the GLY 4866 offering at USF for broader dissemination and to contribute to broader discussion of strategies for improving the quantitative skills and learning of geoscientists.

Geotourism is becoming more popular and can play a critical role in creating literacy in communities. Moreover, the Big Ideas of the Earth Science Literacy Initiative can be used within signage to address literacy. Because all citizens should have a basic knowledge of Earth Science in order to make informed decisions that relate to Earth Science, geotourism can be used as a way to increase Earth Science knowledge, along with other positive outcomes related to communities' increased well-being. A careful investigation of N=59 geosites reveals that signage can be used to increase this knowledge but that there is a deficit in the number and quality of the signage present at some of these sites. A gap has been uncovered regarding the efforts to teach Earth Science

Presently, scientific communities are confronting Earth’s foremost environmental issues using best management practices. However, an increase for need in the synthesis of socio-ecological principles using a multi- and trans-disciplinary approach is required for solutions that benefit both nature and humans. To examine whether a community perceives stormwater runoff as both a local resource and threat to coastal water quality, an online survey of the Ventura River watershed community probed local residents’ understanding of watershed knowledge, beliefs, and behavior with regards to their local environment as it pertained to water resources, especially as affected by human activity. Analysis of 144 participants’ responses and their self-reported water activity, water activity frequency, and perceptions of Ventura River’s discharge and stormwater runoff reveals the community’s behavior regarding exposure to poor water quality in a local coastal environment and, ultimately, the survey participants’ level of geoliteracy concerning their local watershed. A statistical analysis between categorical variables of the survey questions examines relationships between self-reported waterborne illness symptoms and the water activities that participants enjoy regularly and/or perform for work. The survey responses demonstrated common themes in water knowledge that exist throughout this particular coastal community. Additionally, through the use of an optical and historical classification system, the Ventura River’s sediment discharge was examined both remotely and in situ. Multispectral ocean color satellite sensors have been useful in monitoring the water quality of Case 2 waters. Particularly, after severe storm events contaminants can be carried along with storm runoff from urban storm drains and Mediterranean river mouths which then enter coastal and recreationally trafficked water. Earth scientists have observed poor water quality occurring offshore in Case 2 waters near major river mouths and urban areas causing the coastal water column to deteriorate in quality.

No description available.

Orientador: Celso Dal Ré Carneiro / Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Geociências / Made available in DSpace on 2018-08-22T19:04:17Z (GMT). No. of bitstreams: 1 Lima_AlineTrombiniFerreira_M.pdf: 4204801 bytes, checksum: ec856472df36eaa853a0acfd3a680a26 (MD5) Previous issue date: 2013 / Resumo: A pesquisa busca discutir a importância do (re) conhecimento do local, mediante uma abordagem de temas geocientíficos, em contexto socioambiental, como estratégia para transformar a relação dos estudantes com o lugar em que vivem. A pesquisa focaliza especificamente o município de Cajamar, situado na região metropolitana de São Paulo, que apresenta aparente relação de não pertencimento e desvalorização por muitos jovens estudantes. Ao se investigar a complexa relação que eles mantêm com a cidade, produziu-se e aplicou-se um projeto de educação socioambiental com ênfase em Geociências, na disciplina Geografia, submetido a alunos do Ensino Médio. A pesquisa parte da hipótese inicial de que a contribuição das Geociências pode ser feita desde a vizinhança mais imediata do estudante, e pode ser essencial para formar pessoas comprometidas com o próximo e com o planeta. A concepção e o desenvolvimento do projeto educacional, com suporte em computador, compõem um módulo do Projeto Geo-Escola, cuja finalidade é produzir material de apoio didático em ambiente virtual que ajuda a disseminar conceitos e conteúdos de Geociências com ênfase em aspectos regionais e locais. Procurou-se atribuir e recuperar valores objetivos e subjetivos, a partir da ênfase no conhecimento local. A aplicação da unidade de ensino foi feita junto a aproximadamente 80 alunos da única escola participante (ETEC Gino Rezaghi). Os trabalhos envolveram atividades em salas de aula e uma visita de campo. Dois aspectos específicos de Cajamar acabaram sendo amplamente tratados: a importância da mineração de calcário para o desenvolvimento socioeconômico da região e do município, e o problema do chamado "Buraco de Cajamar", uma dolina cujo colapso ocorrera em 12 de agosto de 1986, no bairro Lavrinhas. Foram abordadas tanto as causas do fenômeno como as consequências para a população residente no local. Investigou-se tanto a adequação quanto a pertinência dessa estratégia para induzir nova relação entre os estudantes e o lugar onde vivem. O material de apoio didático e os resultados do projeto foram disponibilizados, via web, para a comunidade escolar desse e de outros municípios. A principal conclusão é a de que, ao se elaborar propostas de desenvolvimento de ações locais, as Geociências exercem papel relevante, como meio de se construir estratégias de valorização do lugar perante a comunidade escolar, na condição de um exercício de cidadania em busca da transformação da realidade socioambiental / Abstract: The research discusses the importance of awareness about a place as a strategy to transform the relationship of students to the place where they live. This has been done by an approach of geoscientific issues in a socio-environmental context. The research focuses specifically on the municipality of Cajamar, located in the metropolitan region of São Paulo. Evidence that many young students do not feel as belonging to that place and do not appreciate the city was collected there. By investigating the complex relationship they have with the city, an education project for high school students in the geography discipline, focusing on Environmental Geosciences, was produced and applied. The research starts from the initial hypothesis that the contribution of Geosciences can be made from the more immediate vicinity of the student, and may be essential to get people more involved with others and with the planet. The design and development of the educational project, with computer support, compose a module of the Geo-School Project, whose purpose is to produce didactic material in a virtual environment that helps disseminate concepts and contents of Geosciences with emphasis on regional and local aspects. It was expected to assign and retrieve values, both objective and subjective, from the emphasis on local knowledge. Therefore, the application of the teaching unit involved up to 80 students from one participating school (ETEC Gino Rezaghi), both in classrooms and during a field trip. Two specific aspects of Cajamar have been widely treated: the importance of limestone mining for the socioeconomic development of the region and the municipality, and the problem of the so-called "Cajamar Hole", a doline which collapsed on August 12, 1986, in the Lavrinhas district. Not only were the causes of the phenomenon but also the consequences for the population living on site addressed. The investigation refers both to the suitability and the relevance of this strategy to induce a new relationship between students and the city where they live. The didactic material and project results are disseminated by the web for communities of other municipalities. The main conclusion is that, when preparing development proposals on local actions, the Geosciences play an essential role as a means of building strategies for appreciation of the place. It has also provided an exercise of citizenship in a search of changing the environmental reality / Mestrado / Ensino e Historia de Ciencias da Terra / Mestra em Ensino e História de Ciências da Terra

Master of Science / Department of Geology / Iris M. Totten / Problem-based learning in the sciences has been demonstrated to be a successful educational approach to engage students and increase content knowledge. However, the power of collaborative learning to engage students, increase content knowledge and develop problem-solving skills in the sciences has not yet been fully researched. Collaborative learning has an enormous potential not only to foster student learning, but also to increase interest in the sciences and promote cutting-edge education strategies worldwide. Collaborative learning tactics in this study take place within the virtual learning environment entitled “GeoWorlds.” GeoWorlds is an online educational gaming program within the Second Life 3-D Teen Grid. The curriculum was developed as a collaborative, investigative and engaging program to promote learning of Earth science content. The program allows students to be submersed-in and explore different geologic time periods; enabling them to observe species and geological structures while interacting with one another to complete tasks. This study investigates the educational impact, emotional response and overall feedback of the GeoWorlds virtual learning environment on Midwest ninth graders.

Geoscience attracts few African American and Hispanic/Latino students to the major and has historically not retained women at the same rate as men. Many factors have been proposed to explain these disparities but no quantitative study addressed geoscience diversity at the undergraduate level. To examine potential barriers to recruitment and retention, we interviewed geoscience majors from two large public universities in the U.S. and gathered 'critical incidents,' or life experiences that affected choice of a geoscience major. Critical incidents were classified by time period (when they occurred), grouped by outcome, sorted into categories, and compared by race/ethnicity and gender. Three manuscripts -- each involving different analyses of the critical incident dataset -- comprise this dissertation. Among many findings, our study showed that that white, Hispanic/Latino, and African American students reported different types of experiences affecting major choice while growing up. For instance, 81% of white students reported outdoor experiences (e.g., camping, hiking) as children, whereas Hispanics (33%) and African Americans (22%) reported significantly fewer outdoor experiences from the same time period. Men and women geoscience majors also reported differences. In one example, men (92%) reported at least one positive experience involving career and economics factors; far fewer women (50%) reported the same. Our results can inform recruiting and retention practices. Geoscience programs can provide field trips for all prospective majors, target on-campus advertising towards diverse student groups, meet with academic advisors of incoming freshmen to encourage African American and Hispanic students to enroll in introductory geology courses, and provide major and career information to parents of prospective majors. To better recruit and retain women, geoscience programs can emphasize other, non-economic factors when advertising the degree, promoting internships, and developing field and academic experiences.

<p>All of the work described in this dissertation involves the use of Indigenous research frameworks to design research projects, to facilitate communication with Indigenous communities that I have collaborated with, and also to teach and mentor undergraduate and graduate students. Indigenous research frameworks emphasize the importance of place in relation to the integrity of cultural values espoused by many Indigenous communities. This entails a respect for the spirituality component of Indigenous people because this is often directly tied to relationships between the land, animals, and plants of their local environments.</p> <p>While some research has been conducted to help understand Indigenous people’s understandings of geoscience, less emphasis has been placed on recognizing and leveraging common connections Indigenous students make between their Traditional cultures and Western science. Thus, the research presented in this dissertation identifies connections Indigenous learners make between geology concepts and their everyday lives and cultural traditions in both formal and informal settings. Some of these connections have been integrated into place-based geoscience education modules that were implemented within an introductory environmental science course. </p> <p>Qualitative analysis, using a socioTransformative constructivism theoretical lens, of semi-structured interviews after implementation of a Sharing/Learning program for an Acoma pilot project, implemented informally, and for a series of geoscience education modules at a private university provides evidence that elements reflective of the use of sociotransformative constructivism (e.g. connections between global and localized environmental issues) were acknowledged by the participants as particularly impactful to their experience during implementation of the geoscience-focused activities. In addition to the socioTransformative theoretical perspective, Indigenous research frameworks (i.e. Tribal Critical Race Theory) were used to contextualize the educational interventions for two different Indigenous communities, Acoma Pueblo and the Confederated Tribes and Bands of the Yakama Nation. Tribal Critical Race Theory was not used to analyze the semi-structured interviews. Instead the Indigenous research frameworks were used to ensure that the research practices undertaken within these Indigenous communities were respectful of the Indigenous community’s cultural values, that Indigenous data sovereignty was paramount, and so that the research objectives were transparent. In addition, permission to publish the results of this research was sought from the governing entities of both Tribal Councils of Acoma Pueblo and the Yakama Nation.</p> <p>The research presented in this dissertation provides evidence that academic research can be undertaken in respectful ways that benefit Indigenous communities. The connections that participants in the Acoma Sharing/Learning program could potentially be used to create more culturally relevant educational materials for the Acoma Pueblo community, if that is what the governing entities of the Acoma Pueblo community desire. The modules implemented more formally at a private university could potentially, with permission from the governing entities of the Yakama Nation, be integrated into geoscience programs at a broader level creating opportunities for contemporary Indigenous perspectives to be valued alongside Western modern science. Moving forward, this could potentially increase interest among Indigenous community members in pursuing academic pathways within geoscience disciplines.</p> <p>The research pursued in this dissertation is only a beginning. Approaches to research that promote the agency of local communities in the types of research questions asked and how that research is conducted should be a priority for Western scientists to maintain a respectful relationship with the many communities, Indigenous and non-Indigenous, in which they work. It is my intention to be part of this revolution in how academic researchers interact with contemporary Indigenous communities as well as the next generation of scientists. In the future, my research will continue to serve and benefit Indigenous communities, but I will also begin asking research questions that will help increase the use of diverse and equitable practices within academia. In this way, I hope to bridge the two worlds of Indigenous Knowledge systems and Western science with the primary purpose of maintaining respect among these two communities. In the future, my research will focus on how these respectful practices can move beyond academic research and pedagogy into the realms of professional development, mentoring, and community revitalization.</p>