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- Creator:
- Kort, Eric and Plant, Genevieve
- Description:
- The Measurement of Agriculture Illuminating farm-Zone Emissions of N2O (MAIZE) project collected airborne measurements of nitrous oxide (N2O) around intensive agricultural regions in Iowa and Nebraska during the early growing seasons of 2021 and 2022. Datasets in this collection include the airborne measurement data for each year, as well as optimized posterior fluxes for each Iowa flight day derived from the aircraft observations. The airborne platform (Mooney, ChampionX) included an Aerodyne Research, Inc. TILDAS Compact Single Laser N2O Analyzer in 2021 and a Los Gatos Research (LGR) N2O/CO analyzer (Model 916-0015) in 2022. GPS antennae, mounted on the Mooney aircraft, recorded latitude, longitude, altitude, aircraft heading, zonal speed, and meridional speed. Horizontal winds are calculated following Conley et al (2014). Temperature (C) and humidity (%) were collected with the Vaisala HMP60 probe. Aircraft speeds averaged around 70 meters per second. Related publications: Gvakharia A, Kort EA, Smith M, Conley S, (2018) Testing and evaluation of a new airborne system for continuous N2O, CO2, CO, and H2O measurements: the Frequent Calibration High-performance Airborne Observation System (FCHAOS), Atmos. Meas. Tech. 11, 6059-6074, https://doi.org/10.5194/amt-11-6059-2018 Conley S, Faloona I.C, Lenschow D.H, Karion A, Sweeney S, (2014) A low-cost system for measuring horizontal winds from single-engine aircraft, Journal of Atmospheric and Oceanic Technology, 31(6), 1312-1320, https://doi.org/10.1175/JTECH-D-13-00143.1
- Keyword:
- Iowa, soil, agriculture, and greenhouse gases
- Discipline:
- Science
3Works -
Jordan pterosaur CT scans & 3D models
User Collection- Creator:
- Wilson Mantilla, Jeffrey A.
- Description:
- This collection includes computed tomography (CT) scans and 3D models of humeral remains from two Late Cretaceous pterosaurs from Jordan: Inabtanin alarabia (YUPC-INAB-6-001–010) and Arambourgiania philadelphiae (YUPC-RUSEIFA-1). Both specimens are accessioned to Yarmouk University, in the Hashemite Kingdom of Jordan. For inquiries about access, please contact Jeff Wilson Mantilla ( wilsonja@umich.edu) or Iyad Zalmout ( izalmout@ksu.edu.sa). Casts of selected elements of Inabtanin and Arambourgiania are available at the University of Michigan Museum of Paleontology. and The Jordanian pterosaurs were described in: Rosenbach, K. L., D. M. Goodvin, M. G. Albshysh, H. A. Azzam, A. A. Smadi, H. A. Mustafa, I. S. A. Zalmout, and J. A. Wilson Mantilla. [in press] New pterosaur remains from the Late Cretaceous of Afro-Arabia provide insight into flight capacity of large pterosaurs. Journal of Vertebrate Paleontology.
- Keyword:
- Jordan pterosaur cretaceous vertebrate gondwana afro-arabia paleontology
- Discipline:
- Science
5Works -
Invertebrate Paleontology
User Collection- Creator:
- paleo-museum@umich.edu
- Description:
- TBD
- Discipline:
- Science
0Works -
Vertebrate Paleontology
User Collection- Creator:
- paleo-museum@umich.edu
- Description:
- TBD
- Discipline:
- Science
2Sub-collections32Works -
University of Michigan Museum of Paleontology
User Collection- Creator:
- paleo-museum@umich.edu
- Description:
- TBD
- Discipline:
- Science
2Sub-collections0Works -
Estimates of the water balance of the Laurentian Great Lakes using the Large Lakes Statistical Water Balance Model (L2SWBM)
User Collection- Creator:
- Smith, Joeseph P., Fry, Lauren M., Do, Hong X., and Gronewold, Andrew D.
- Description:
- This collection contains estimates of the water balance of the Laurentian Great Lakes that were produced by the Large Lakes Statistical Water Balance Model (L2SWBM). Each data set has a different configuration and was used as the supplementary for a published peer-reviewed article (see "Citations to related material" section in the metadata of individual data sets). The key variables that were estimated by the L2SWBM are (1) over-lake precipitation, (2) over-lake evaporation, (3) lateral runoff, (4) connecting-channel outflows, (5) diversions, and (6) predictive changes in lake storage. and Contact: Andrew Gronewold Office: 4040 Dana Phone: (734) 764-6286 Email: drewgron@umich.edu
- Keyword:
- Great Lakes water levels, statistical inference, water balance, data assimilation, Great Lakes, Laurentian, Machine learning, Bayesian, and Network
- Citation to related publication:
- Smith, J. P., & Gronewold, A. D. (2017). Development and analysis of a Bayesian water balance model for large lake systems. arXiv preprint arXiv:1710.10161., Gronewold, A. D., Smith, J. P., Read, L., & Crooks, J. L. (2020). Reconciling the water balance of large lake systems. Advances in Water Resources, 103505., and Do, H.X., Smith, J., Fry, L.M., and Gronewold, A.D., Seventy-year long record of monthly water balance estimates for Earth’s largest lake system (under revision)
- Discipline:
- Science and Engineering
5Works -
Biologically Inspired Robotics and Dynamical Systems (BIRDS) Lab
User Collection- Creator:
- Revzen, Shai
- Description:
- Professor Revzen and his team at the Biologically Inspired Robotics and Dynamical Systems (BIRDS) Lab are working on discovering, modeling, and reproducing the strategies animals use when interacting with physical objects. This work consists of collaboration with biomechanists to analyze experimental data, developing new mathematical tools for modeling and estimation of model parameters, and construction of robots which employ the new principles.
- Discipline:
- Science
7Works -
Site Data
User Collection- Creator:
- Galaty, Michael
- Description:
- This sub-collection includes Photographs and Photologs of the sites, a Site Database with information collected and observed about the site and Site documentation. Documentation consists of PDFs of scans of miscellaneous documents related to a particular site, including maps, wall drawings, original notes, etc. Data are organized according to site number: S001, S002, etc. There are 17 sites in total.
- Keyword:
- archaeology
- Discipline:
- Science
3Works -
Gajtan
User Collection- Creator:
- Galaty, Michael
- Description:
- The following works contain the databases, field notebooks, unit and profile drawings, photographs, photo descriptions, radiocarbon dates, and geophysical survey data related to the Gajtan settlement excavation.
- Keyword:
- archaeology
- Discipline:
- Science and Humanities
5Works -
- Creator:
- Towne, Aaron
- Description:
- This database contains six datasets intended to aid in the conception, training, demonstration, evaluation, and comparison of reduced-complexity models for fluid mechanics. The six datasets are: large-eddy-simulation data for a turbulent jet, direct-numerical-simulation data for a zero-pressure-gradient turbulent boundary layer, particle-image-velocimetry data for the same boundary layer, direct-numerical-simulation data for laminar stationary and pitching flat-plate airfoils, particle-image-velocimetry and force data for an airfoil encountering a gust, and large-eddy-simulation data for the separated, turbulent flow over an airfoil. All data are stored within hdf5 files, and each dataset additionally contains a README file and a Matlab script showing how the data can be read and manipulated. Since all datafiles use the hdf5 format, they can alternatively be read within virtually any other programing environment. An example.zip file included for each dataset provides an entry point for users. The database is an initiative of the AIAA Discussion Group on Reduced-Complexity Modeling and is detailed in the paper listed below. For each dataset, the paper introduces the flow setup and computational or experimental methods, describes the available data, and provide an example of how these data can be used for reduced-complexity modeling. All users should cite this paper as well as appropriate primary sources contained therein. Towne, A., Dawson, S., Brès, G. A., Lozano-Durán, A., Saxton-Fox, T., Parthasarthy, A., Biler, H., Jones, A. R., Yeh, C.-A., Patel, H., Taira, K. (2022). A database for reduced-complexity modeling of fluid flows. AIAA Journal 61(7): 2867-2892.
- Keyword:
- fluid dynamics, reduced-complexity models, and data-driven models
- Discipline:
- Engineering and Science
6Works -
Division of Reptiles and Amphibians
User Collection- Creator:
- University of Michigan Museum of Zoology
- Description:
- The Division of Reptiles and Amphibians maintains a collection that is worldwide in scope. The research collections contain over 200,000 catalogued lots representing approximately 435,000 individual specimens.
- Discipline:
- Science
13Works -
Sanajeh indicus micro Computed Tomography (CT) data
User Collection- Creator:
- Wilson Mantilla, Jeffrey A.
- Description:
- This collection includes computed tomography (CT) scans of the cranial remains of Sanajeh indicus, a Late Cretaceous snake from Gujarat, India. In addition to the holotype (described by Wilson et al., 2010), a referred specimen (Zaher et al., 2022) has been collected from Dholi Dungri. The holotype includes a 'cranial block' (GSI/GC/2903) and the referred specimen also includes a partial skull (GSI/GC/DD4). Both holotypic and referred specimens are housed in Geological Survey of India Palaeontology Division, Central Region in Nagpur, India. For assistance with access, please contact Dhananjay Mohabey ( dinomohabey@yahoo.com) or Bandana Samant ( bandanabhu@gmail.com). Casts of selected elements of Sanajeh indicus are available at the University of Michigan Museum of Paleontology.
- Discipline:
- Science
3Works -
Division of Birds
User Collection- Creator:
- University of Michigan Museum of Zoology
- Description:
- University of Michigan Museum of Zoology Division of Birds
- Discipline:
- Science
1Works -
Division of Fishes
User Collection- Creator:
- University of Michigan Museum of Zoology
- Description:
- Division of Fishes
- Discipline:
- Science
48Works -
Division of Mammals
User Collection- Creator:
- University of Michigan Museum of Zoology
- Description:
- The Division of Mammals at the Museum of Zoology was established in 1837, and has grown steadily to its current size, with over 150,000 specimens. An important feature of the mammal collection at the Museum of Zoology is our emphasis on non-traditional specimens.
- Discipline:
- Science
304Works -
University of Michigan Museum of Zoology
User Collection- Creator:
- University of Michigan Museum of Zoology
- Description:
- The University of Michigan Museum of Zoology (UMMZ) is the center for the study of animal diversity on campus, focusing on the evolutionary origins of the planet’s animal species, the genetic information they contain and the communities and ecosystems they help form. Now an integral part of the Department of Ecology and Evolutionary Biology (EEB), the UMMZ houses world-class collections, containing more than 15 million specimens, span almost 200 years of regional and global biodiversity studies and that support a multi-faceted Departmental research and teaching program.
- Discipline:
- Science
4Sub-collections0Works -
CT Data of UMMP VP 68409, Plesiadapis gingerichi (holotype)
User Collection- Creator:
- University of Michigan Museum of Paleontology and CTEES
- Description:
- Five CT scans of dental elements (see metadata for individual scans for additional information)
- Discipline:
- Science
5Works -
Projekti Arkeologjik i Shkodrës (PASH)
User Collection- Creator:
- Galaty, Michael
- Description:
- The data presented here were collected in the course of archaeological survey and excavation in the region of Shkodër in northern Albania, carried out between 2010 and 2014, with a follow-up visit in 2016. The Projekti Arkeologjik i Shkodrës (PASH) was co-directed by Michael L. Galaty (University of Michigan) and Lorenc Bejko (University of Tirana) and was sponsored by the United States National Science Foundation (NSF BCS1220016), The University of Tirana, Millsaps College, Mississippi State University, and the University of Michigan. The data presented here accompany a two-volume research report, published by the University of Michigan Museum of Anthropological Archaeology Press (Galaty and Bejko 2023) - Volume 1 ( https://doi.org/10.3998/mpub.12201317) and Volume 2 ( https://doi.org/10.3998/mpub.12208577)., The county (Alb. qarqe) of Shkodër is located in northern Albania. It is bordered to the south by the Adriatic Sea and to the northwest by the country of Montenegro. The counties of Lezhë and Kukës are situated to the south and east, respectively. Shkodër Lake is situated along the border with Montenegro. It is the largest freshwater lake in the Balkans. The city of Shkodër is the fifth largest in Albania. It was founded in the Bronze Age and became a Roman colony in 168 BC, following the Illyrian Wars. Several major rivers intersect at Shkodër, including the Buna, which exits Shkodër Lake, the Drin, and the Kir. The latter two rivers flow from the Bjeshkët e Nemuna, the Albanian Alps, and provide access across the mountains, to the Balkan interior, including metal-rich Kosovo. Several very important ancient sites are located to the south of Shkodër, close to the Adriatic coast: Lezhë (ancient Lissus), Apollonia, and Durrës (ancient Epidamnus, Dyrrachium under the Romans). The latter two cities were Greek colonies, founded during the Archaic period. All three became Roman colonies., and PASH was designed to investigate shifts, through time, in Shkodër towards increased social stratification and hierarchy. These shifts commenced during prehistory and are marked by two dramatic changes in the regional landscape: new settlement in defensible “hillforts” and burial in rock and earth mounds. We wondered what factors – environment, settlement, status, conflict, subsistence, trade, migration – might have allowed or encouraged these changes.
- Keyword:
- archaeology
- Discipline:
- Science and Humanities
5Sub-collections1Works -
Resources for Training Machine Learning Algorithms Using CAM6 Simple Physics Packages
User Collection- Creator:
- Limon, Garrett
- Description:
- The collection contains the code and the data used to train machine learning algorithms to emulate simplified physical parameterizations within the Community Atmosphere Model (CAM6). CAM6 is the atmospheric general circulation model (GCM) within the Community Earth System Model (CESM) framework, developed by the National Center for Atmospheric Research (NCAR). GCMs are made up of a dynamical core, responsible for the geophysical fluid flow calculations, and physical parameterization schemes, which estimate various unresolved processes. Simple physics schemes were used to train both random forests and neural networks in the interest of exploring the feasibility of machine learning techniques being used in conjunction with the dynamical core for improved efficiency of future climate and weather models. The results of the research show that various physical forcing tendencies and precipitation rates can be effectively emulated by the machine learning models.
- Keyword:
- Machine Learning, Climate Modeling, and Physics Emulators
- Discipline:
- Science and Engineering
2Works -
Realm 3: Tumulus Excavations
User Collection- Creator:
- Galaty, Michael
- Description:
- The PASH Data Collection is comprised of Five data “realms”: 1) Survey and site data, 2) Settlement excavations, 3) Tumulus (burial mound) survey and excavations, 4) Artifact analysis, and 5) Geological data. All databases, field notebooks, unit and profile drawings, photographs, photo descriptions, radiocarbon dates, and geophysical survey data related to the tumuli excavations have been made available in PASH Deep Blue Data Realm 3., Total size of all files: approximately 2 gigabytes Chapter(s) linked to: Eight Abbreviations: “T” = tumulus, as in T099; “S” = site, as in S006, The excavation methods employed by PASH at tumuli replicate those employed at settlements. Natural stratigraphy was followed where possible, and arbitrary stratigraphic levels were defined when necessary. Arbitrary stratigraphic levels at tumuli often exceeded the 10 cm interval used at settlements, due to the large number of large rocks that needed to be removed. Due to the numerous rocks, not all mound fill was screened; rather, we screened every third bucket through quarter-inch mesh. By contrast, all soil from features was screened. Soil was sampled for flotation and water screening from every level and feature, but unlike samples from settlements, it has not been processed and analyzed. Each tumulus, being roughly circular, was divided into quadrants along the cardinal directions, and 1-m baulks between quadrants were defined. Quadrants were excavated separately by level. Sometimes quadrants were excavated concurrently. Tumulus unit/level/feature designations are therefore preceded by tumulus (T000) and quadrant (Q000) numbers. Artifact provenience was recorded down to levels and features, with important in situ artifacts sometimes being mapped into level/feature drawings along x-y-z axes. Strata and artifacts were measured cm below surface using a dumpy level. All levels and features were drawn and photographed, individually and by quadrant. , In each mound we followed natural stratigraphy whenever and wherever possible. However, given the steep downward curves of many strata, following the slopes of mound surfaces, this was not always possible. Thus, it is likely that some levels combine artifacts from different mound strata. To control partially for this difficulty, quadrant levels were often subdivided into separate units on the interior or the exterior of mounds (designated “collections units” or CUs). Mound and grave architecture, when present, was left in place until fully defined and documented and then removed if necessary. Baulks were drawn in profile and photographed and removed en masse at the end of each excavation., and Prior to excavation, all mounds surveyed in Shtoj and Shkrel were mapped and fully documented. The state of preservation (present day and projected into the future) of each mound was recorded (from poor to excellent, and from fully safe to critically endangered). Given that so many mounds in both regions were already damaged or had been destroyed, or were actively threatened, we decided to excavate mounds that were (1) already completely removed (T-085), (2) damaged by agricultural activities (T-052), (3) going to be removed by a landowner (despite legal prohibitions) (T-088), and (4) previously looted or excavated (T-099). We did not want to excavate seemingly intact, undamaged mounds. Our tumulus excavations can therefore be aptly described as “rescue” excavations.
- Keyword:
- archaeology
- Discipline:
- Science and Humanities
5Works