114 Works

Ploidy and Clonal Membership in Populus Tremuloides from RADseq Data

Benjamin Blonder, James A. Walton & Karen E. Mock

Isotope Summary Data

Andrew Kulmatiski

Crustal Density Variation of the Eastern U.S.

Henglei Zhang, Dhananjay Ravat & Anthony R. Lowry
EarthScope’s USArray Transportable Array (TA) has shortcomings for the purpose of interpreting geologic features of wavelengths less than the 70 km TA station spacing, but these can be overcome by using higher spatial resolution gravity data. In this study, we exploit USArray receiver functions to reduce non-uniqueness in the interpretation of gravity anomalies. We model gravity anomalies from previously-derived density variations of sedimentary basins, crustal Vp/Vs variation, Moho variation, and upper mantle density variation derived...

MEPS Data Assimilation System

Robert W. Schunk & Larry Gardner
For the current funding opportunity we propose to develop a master system that will enhance the user interface to the MEPS model and enable the scientific community to efficiently use the model. Furthermore, we will build and automate validation tools and improve the efficiency and robustness of the MEPS ensemble averaging scheme. Finally, we will explore the nest step toward a major advancement in MEPS b significantly improving the spatial resolution of one of the...

Greenhouse- and field-measured plant-soil feedbacks are not correlated

Andrew Kulmatiski

Cavitation Clusters in Lipid Systems – The Generation of a Bifurcated Streamer and the Dual Collapse of a Bubble Cluster

Silvana Martini, Peter Birkin & Tadd T. Truscott
Over the past decade several studies have reported the use of high intensity ultrasound (HIU) to induce the crystallization of lipids. The effect that HIU has on lipid crystallization is usually attributed to the generation of cavities but acoustic cavitation has never been fully explored in lipids. The dynamics of a particular cavitation cluster next to a piston like emitter in an oil, was investigated in this study. The lipid systems, which are important in...

Incorporating Drones in My Classroom: Survey Data from High School Teachers

Tyson Sorensen, Kelsey Hall, Olivia Horning, Joshua Dallin & David Francis
Survey data collected from 69 High School and middle school teachers. Survey gauges intentions of integrating drone curriculum concepts into the classroom. Dataset includes summary data, raw data and survey instrument.

Aluminum Secondary Electron Yield

JR Dennison & Phillip Lundgreen
Accurate modeling of spacecraft charging is essential to mitigate well-known and all-too-common deleterious and costly effects on spacecraft resulting from charging induced by interactions with the space plasma environment. This paper addresses how limited availability of electron emission and transport properties of spacecraft materials—in particular secondary electron yields—and the wide range measured for such properties pose a critical issue for modeling spacecraft charging. It describes a materials charging database being developed, which when used in...

pnas2019_postdoc_data

David Feldon, Kaylee Litson & Soojeong Jeong
The doctoral advisor, typically the principal investigator (PI), is often characterized as a singular or primary mentor who guides students using a cognitive apprenticeship model. Alternatively, the cascading mentorship model describes the members of laboratories or research groups receiving mentorship from more senior laboratory members and providing it to more junior members (i.e., PIs mentor postdocs, postdocs mentor senior graduate students, senior students mentor junior students, etc.). Here we show that PIs laboratory and mentoring...

Wildfire, National Park Visitation, and Changes in Regional Economic Activity

Man-Keun Kim & Paul M. Jakus

Wasatch Front Preventative Capital Study

Arthur Caplan & Ramjee Acharya
We address the issue of optimal investment in “preventative capital” to mitigate episodic, mobile-source air pollution events in Utah’s Wasatch Front region. We calibrate Berry et al.'s (2015) endogenous-risk model using a unique dataset related to the region’s "red air day" episodes occurring over the past decade. Our analysis demonstrates that, under a wide range of circumstances, the optimal steady-state level of preventative capital stock – raised through the issuance of a municipal “clean air...

London State Database

Mattie Burkert, Will Daland, Emma Hallock, Todd Hugie, Lauren Liebe, Derek Miller, Dustin Olsen & Ben R. Schneider Jr.
Recovered files, and documents and archival data used to revitalize the London Stage Information Bank, which was completed in the 1970s but had become technologically obsolete.

Optical Gas Imaging Survey of Oil and Gas Wells in the Uinta Basin, Utah

Seth Lyman, Tran Trang & Marc L Mansfield
This is a dataset of oil and gas well pads which were surveyed for hydrocarbon emissions with an optical gas imaging camera deployed from the ground at pad edges. The data are described thoroughly in a peer-reviewed paper: Lyman S., Tran, T., Mansfield, M. Ravikumar, A., 2019. Aerial and Ground-Based Optical Gas Imaging Survey of Uinta Basin Oil and Gas Wells. These are example videos collected during a hydrocarbon emissions survey of oil and gas...

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