Data Repository for U of M (DRUM)
Persistent link for this collectionhttps://hdl.handle.net/11299/166578
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Item GRAVITY AND AEROMAGNETIC DATA GRIDS OF MINNESOTA(Minnesota Geological Survey, 2004) Chandler, V.W.; Lively, R.S.; Wahl, T.E.These data represent over 40 years of gravity surveying in the state of Minnesota. This release is the first significant revision of the Minnesota gravity database since the compilation by Chandler and Schaap (1991), that the reader is referred to for information on the older data. Since that compilation, approximately 2000 stations have been added from data used to support a variety of projects for the Minnesota Geological Survey (MGS). Additionally, archival data not available for the earlier compilation are now included.Item 2003 Rock Properties Database: Density, Magnetic Susceptibility, and Natural Remanent Magnetization of Rocks in Minnesota(Minnesota Geological Survey, 2010-08-06) Chandler, V.W; Lively, R.S; mgs@umn.edu; Minnesota Geological SurveyGeologic interpretation of gravity and magnetic anomaly data in a given area is greatly enhanced if density, magnetic susceptibility and natural remanent magnetization (NRM) data are available for representative rock-types. Along with outcrop and drill-hole information, rock property data help relate geophysical anomaly signatures to probable rock types, and provide constraints on the use of anomaly data as a tool for mapping and for modeling geology at depth. Most of the density and magnetization data contained in this database were acquired over the last two decades by the Minnesota Geological Survey (MGS) as part of an on-going program to collect rock properties. A group of Paleozoic samples were collected from Iowa and included in the database because they provide a representative suite of data for rocks present, but not widely exposed in Minnesota. Additional data were derived from studies by the U. S. Geological Survey (Bath, 1962; Beck, 1970; Beck and Lindsley, 1969; Books, 1972; Jahren, 1965), The University of Minnesota (Bleifuss, 1952, Mooney and Bleifuss, 1952), The University of Western Ontario (Palmer, 1970), and the Geological Survey of Canada (Dubois, 1962).Item State of Sustainability Practices among Minnesota Tourism Businesses, 2007-2013(2013-10-29) Qian, Xinyi; Schneider, Ingrid E.; qianx@umn.edu; Qian, XinyiThe dataset was used in three major ways. First, using data collected in 2013, we documented the current attitude towards sustainability practices among tourism businesses in Minnesota, particularly how they perceive the benefits and difficulties of implementing these practices. We also documented the extent of implementation of six types of sustainability practices, including energy efficiency, waste minimization, environmental purchasing, air quality, water conservation, and landscaping/wildlife. Second, we assessed whether attitude towards sustainability practices and the extent of implementing various practices changed over time (i.e., across the three surveys). Lastly, we benchmarked current level of knowledge of invasive species among Minnesota tourism businesses using data from the 2013 survey. This is the first time that the survey includes questions that assess knowledge of invasive species, providing a benchmarking opportunity. We want to release this dataset, because there is little research that documents the extent to which different types of sustainability practices are implemented among tourism businesses in the state of Minnesota. The tourism industry makes significant contributions to the state's economy, at the same time, relying on the many natural assets that the state has to continue attracting visitors. Therefore, it is important that the tourism industry contributes to, rather than deters, the progress of sustainability practices. We believe that releasing this dataset will help increase public awareness of and interest in the trend of implementing sustainability practices among tourism businesses in Minnesota.Item Data from the Obstetrics and Periodontal Therapy (OPT) Study, a Randomized Trial of Periodontal Therapy to Prevent Pre-term Birth(2013-11-22) Hodges, James S; Michalowicz, Bryan S; hodge003@umn.edu; Hodges, James S.The OPT Study was a multi-center randomized, single-blind (examiners) controlled clinical trial testing whether mechanical periodontal therapy (scaling and planing) in pregnant women at risk for premature birth reduced the extent or severity of premature birth. OPT found that periodontal therapy does not reduce the number or timing of premature births. Data include birth outcomes (including gestational age, birthweight, presence of congenital anomalies, and 1 and 5 minute APGAR scores), baseline characteristics (including previous pregnancy outcomes), periodontal therapy and essential dental care delivered as part of the study, maternal conditions during pregnancy, and the following items for three visits between the end of the first trimester and delivery: clinical periodontal measurements (pocket depth, attachment loss, and bleeding on probing at 6 sites per tooth; site-specific data and several common person-level summaries), medications, dental plaque levels of 8 bacterial species, levels of serum antibodies for the same 8 bacterial species, and serum levels of 8 inflammatory markers or mediators. The OPT Study's Manual of Procedures (Version 1) is available as part of this package. Version changes during the course of the study were rare and affected very few data items (mostly the data describing study periodontal therapy). The OPT Study team published the main paper in 2006 in the New England Journal of Medicine and has published 8 secondary papers.Item 1958 Twin Cities Land Use Map from the Twin Cities Metropolitan Planning Commission, GIS Data Files(2013-11-22) Chen, Wei; Levinson, David M; dlevinson@umn.edu; Levinson, David M.High-quality GIS land use maps for the Twin Cities Metropolitan Area for 1958 that were developed from paper maps (no GIS version existed previously).Item Triclosan, Chlorinated Triclosan Derivative, and Dioxin Levels in Minnesota Lakes(2013-12-02) Anger, Cale T; Sueper, Charles; Blumentritt, Dylan J; Mcneill, Kristopher; Engstrom, Daniel R; Arnold, William A; arnol032@umn.edu; Arnold, William AThe data were collected and generated during the period of 2010-2012 by collecting sediment cores from lakes in Minnesota, dating the years the sediment was deposited as a function of depth, and extracting sections of the cores with solvent to determine the levels of triclosan (TCS), chlorinated triclosan derivatives (CTD), and dioxins in the sediment (PCDD). Dating was performed at the St. Croix Watershed Research Station, triclosan and chlorinated triclosan derivative measurements at the University of Minnesota Department of Civil Engineering, and dioxin analysis by Pace Analytical. The data consists of eight Excel files that include the following tabs 1) accumulation rate and focus corrected accumulation rate of the target contaminants as function of time (FF_Flux), 2) the concentrations of the target contaminants and function of time, 3) the calibration curves of the instruments for triclosan and chlorinated triclosan derivatives, and 4) various statistical analyses (ANOVA). Note that the further back in time, the deeper the sediment that the sample was derived from.Item 1968 Twin Cities Land Use Map from the Twin Cities Metropolitan Planning Commission, GIS Data Files(2014-03-03) Levinson, David M; Chen, Wei; dlevinson@umn.edu; Levinson, David M.High-quality GIS land use maps for the Twin Cities Metropolitan Area for 1968 that were developed from paper maps (no GIS version existed previously).Item 1978 Twin Cities Land Use Map from the Twin Cities Metropolitan Planning Commission, GIS Data Files(2014-03-03) Levinson, David M; Chen, Wei; dlevinson@umn.edu; Levinson, David M.High-quality GIS land use maps for the Twin Cities Metropolitan Area for 1978 that were developed from paper maps (no GIS version existed previously).Item Data from: Exploring Video Abstracts in Science Journals(2014-03-05) Spicer, Scott; spic0016@umn.edu; Spicer, ScottData from a study exploring the emerging role of video abstracts in science scholarship, with implications for library based publishers and other services.Item 1920-1995 Twin Cities State Highway Network(2014-03-21) Chen, Wei; Levinson, David M; dlevinson@umn.edu; Levinson, David M.Illustrates the development of the highway network in the Twin Cities metropolitan region. GIS maps of the state highway network were created for 1920-1995 (these were not previously digitized). These were used to build Markov Chain Cellular Automata models of land use change and network growth.Item Home range overlap indices implemented using kernel density estimators with plug-in smoothing parameters and Program R(2014-04-18) Fieberg, John R; jfieberg@umn.edu; Fieberg, John RThis collection contains R code to implement the home range overlap indices evaluated by Fieberg and Kochanny (2005). These indices have been incorporated into the adehabitat package of Program R. However, the adehabitat package does not currently (as of April 2014) allow calculation of home ranges using the 'plug-in' method for choosing smoothing parameters when estimating home ranges using kernel density estimates. In addition, the code here allows one to use two separate smoothing parameters rather than a single parameter (as in the current version of adehabitat). An illustrative example is included that makes use wild boar location data contained in the adehabitat package. For references, see README.txt.Item Great Lakes Coastal Diatoms(2014-06-13) Reavie, Euan D; Brady, Valerie; akireta@nrri.umn.edu; Kireta, Amy R; Natural Resource Research Institute, University of Minnesota DuluthA Great Lakes Environmental Indicators (GLEI) project. Diatom community data were collected from periphytic substrates at approximately 0.5-3.0 m depths along two different land-use transects from more than 200 wetlands, bays, and high energy sites on the U.S. side of the Great Lakes coastline. Collections included four within-site replicates and approx. 10 percent re-sampling over a three year period. Additionally, approximately 25 offshore, open water samples were collected from surface sediment at depths up to 30 m. The data link with other GLEI datasets to provide water chemistry, site, and landscape information. This study represents the most extensive synoptic diatom dataset of the Great Lakes and includes both undescribed species and species that have not been previously identified in the Great Lakes. The major goal of this GLEI subproject was to develop diatom ecological indicators, and these indicators are presented in a number of publications. The diatom data in this database include the complete raw counts from all samples that were enumerated under the GLEI program, as well as corresponding (condensed) environmental data that were used to develop the indicators.Item Growth Rates and Variances of Unexploited Wolf Populations in Dynamic Equilibria: Data, R Code, and Supporting Results(2014-07-18) Fieberg, John R; Mech, David; jfieberg@umn.edu; Fieberg, John RThese files contain data and R code (along with associated output from running the code) supporting all results reported in: Mech, D. and J. Fieberg. 2014. Growth Rates and Variances of Unexploited Wolf Populations in Dynamic Equilibria. Wildlife Society Bulletin. In Mech and Fieberg (2014), we analyzed natural, long-term, wolf-population-density trajectories totaling 130 years of data from three areas: Isle Royale National Park in Lake Superior, Michigan; the east-central Superior National Forest in northeastern Minnesota; and Denali National Park, Alaska. We fit density-independent and Ricker models to each time series, allowing for 3 different assumptions regarding observation error (no error, Poisson or Log-normal observation error). We suggest estimates of the population-dynamic parameters can serve as benchmarks for comparison with those calculated from other wolf populations repopulating other areas.Item "Laundry Soap" from the Ojibwe Conversations Archives Project(2014-10-06) Tainter, Rose; Kingbird-Porter, Margaret; Hermes, Mary; mhermes@umn.edu; Hermes, MaryTwo first speakers of Ojibwe discuss and debate laundry soap in a video recorded in Hayward WI in March 2009.Item Catalog and Raw Data from the Analysis of the Source of the Douix and Other Gallo-Roman Sanctuaries in Eastern France(2014-11-20) Erdman, Katherine M; erdma084@umn.edu; Erdman, KatherineExamining human behaviors in the past, particularly ritual activity, can provide insight into ritual practices and religious beliefs today. Erdman's project, under the guidance of Dr. Peter Wells, examines the role of ritual offerings as devices for communicating with the supernatural world through their deposition into sacred watery places in the Gallo-Roman Period (50 BC - AD 450). A freshwater spring, known as the Source of the Douix, in Châtillon-sur-Seine, France was used as a focus for comparison to other sites. The quantities of recovered votive offerings and the near continuous use of the site over two thousand years contain data that can help to answer the following questions: How are the objects deposited in sacred spaces, particularly those in water, used as communicative devices? Do the types of objects change over time, and if so, how can these changes be explained using archaeological evidence? Evidence from the Douix was then used for multiple levels of comparative analyses, such as comparison to other local sanctuaries, regional watery sites (other springs, rivers and lakes), and regional sanctuaries associated with mother goddesses. Detailed presence/absence analysis records the types of objects at each location, the materials or media represented, and the types of deities at each location. Through detailed comparisons of such data, it is possible to recognize patterns of offerings from place to place, and such patterns will help illuminate the purpose of the offerings.Item Data and visualizations of air quality impacts of conventional and alternative light-duty transportation in the United States(2014-11-25) Tessum, Christopher W; Hill, Jason D; Marshall, Julian D; julian@umn.edu; Marshall, Julian D.This is the supporting information for an article entitled "Life cycle air quality impacts of conventional and alternative light-duty transportation in the United States", published in the Proceedings of the National Academy of Sciences of the United States (dx.doi.org/10.1073/pnas.1406853111). The study assesses the life cycle air quality impacts on human health of 10 alternatives to conventional gasoline vehicles, including vehicles powered by diesel, natural gas, ethanol, and electricity. This supporting information is comprised of 1) A Microsoft Excel file containing emissions amounts disaggregated by life cycle stage for each scenario; 2) maps of ground-level concentrations of 13 different air pollutants attributable to each scenario; and 3) videos showing temporal variation in ground-level fine particulate matter (PM2.5) and ozone (O3) concentrations attributable to each scenario. The data here were generated using state-of-the-science air pollutant emission and transport models.Item Access Across America: Transit 2014 Data(2014-12-05) Owen, Andrew; Levinson, David M; aowen@umn.edu; Owen, Andrew; University of Minnesota Center for Transportation Studies, Accessibility ObservatoryThis data was created as part of a study that examined the accessibility to jobs by transit in 46 of the 50 largest (by population) metropolitan areas in the United States. It is the most detailed evaluation to date of access to jobs by transit, and it allows for a direct comparison of the transit accessibility performance of America's largest metropolitan areas.Item Signature Wood Modifications that Reveal Decomposer Community History(2015-02-13) Schilling, Jonathan; schillin@umn.edu; Schilling, JonathanCorrelating plant litter decay rates with initial tissue traits (e.g. C, N contents) is common practice, but in woody litter, predictive relationships are often weak. Variability in predicting wood decomposition is partially due to territorial competition among fungal decomposers that, in turn, have a range of nutritional strategies (rot types) and consequences on residues. Given this biotic influence, researchers are increasingly using culture-independent tools in an attempt to link variability more directly to decomposer groups. Our goal was to complement these tools by using certain wood modifications as 'signatures' that provide more functional information about decomposer dominance than density loss. Specifically, we used dilute alkali solubility (DAS; higher for brown rot) and lignin:density loss (L:D; higher for white rot) to infer rot type (binary) and fungal nutritional mode (gradient), respectively. We first determined strength of pattern among 29 fungi of known rot type by correlating DAS and L:D with mass loss in birch and pine. Having shown robust relationships for both techniques above a density loss threshold, we then demonstrated and resolved two issues relevant to species consortia and field trials, 1) spatial patchiness creating gravimetric bias (density bias), and 2) brown rot imprints prior or subsequent to white rot replacement (legacy effects). Finally, we field-tested our methods in a New Zealand Pinus radiata plantation in a paired-plot comparison. Overall, results validate these lowcost techniques that measure the collective histories of decomposer dominance in wood. The L:D measure also showed clear potential in classifying 'rot type' along a spectrum rather than as a traditional binary type (brown versus white rot), as it places the nutritional strategies of wood-degrading fungi on a scale (L:D=0-5, in this case). These information-rich measures of consequence can provide insight into their biological causes, strengthening the links between traits, structure, and function during wood decomposition.Item Data of Hunger Promotes Acquisition of Nonfood Objects(2015-02-23) Xu, Alison Jing; Schwarz, Norbert; Wyer, Robert S. Jr.; alisonxu@umn.edu; Xu, Alison JingThis is the supporting information for an article titled "Hunger promotes acquisition of nonfood objects", published in the Proceedings of the National Academy of Sciences of the United States of America (www.pnas.org/cgi/doi/10.1073/pnas.1417712112). This research shows that hunger's influence extends beyond food consumption to the acquisition of nonfood items that cannot satisfy the underlying need. This supporting information includes SPSS data files for five experiments reported in the paper.Item Small UAV Position and Attitude, Raw Sensor, and Aerial Imagery Data Collected over Farm Field with Surveyed Markers(2015-02-25) Mokhtarzadeh, Hamid; Colten, Todd; mokh0006@umn.edu; Mokhtarzadeh, HamidImagery and sensor data from a commercial small Uninhabited Aerial Vehicle flown over an agriculture field on the morning of October 22, 2014 have been logged and documented. The field includes 16 surveyed ground control points laid out in a 4x4 square serving as known ground control points. This data set serves to study both challenges and opportunities of UAV-based remote sensing for precision agriculture applications. The raw sensor data can be used for navigation system design and analysis. The imagery and logged aircraft state can be used for image processing as well as remote sensing analysis. It is being shared to served as a documented data set for testing new concepts and ideas.