Bulletin of the American Physical Society
17th Annual Meeting of the APS Northwest Section
Volume 61, Number 7
Thursday–Saturday, May 12–14, 2016; Penticton, British Columbia, Canada
Session C2: Condensed Matter II |
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Chair: Joshua Folk, University of British Columbia Room: PC 122 |
Friday, May 13, 2016 3:30PM - 3:42PM |
C2.00001: Implications of Uncertainties in Quake Locations on Mars' Seismicity-Geology Correlation Arvin Karpiah, Catherine Johnson Quakes are not exclusive to Earth. Moonquakes have been observed and surface imaging of faults, together with thermal models for Mars' evolution suggests that it is very likely that Mars has seismic events too. However, there have been no in-situ measurements of marsquakes. Images and elevation maps of the martian surface by different satellite missions have revealed faults in some detail but no evidence for plate tectonics, suggesting that marsquakes might be governed by local and regional-scale tectonism and/or volcanism. Several studies have been done to estimate present day seismicity on Mars. Catalogues of martian fault locations and ages, together with measured seismicity levels on the Moon and in intraplate regions on Earth, have been used to estimate bounds on martian seismicity levels. These estimates suggest that Mars might be seismically active today. NASA's InSight mission is a project underway to deploy a modern seismometer and a heat probe on Mars to study the structure of Mars's deep interior. This would be the first ground based seismic measurement on Mars. We built probability distribution functions for likely marsquake locations based on fault data, InSight's seismometer location and anticipated measurement uncertainties. We use this probability function and surface geology maps of Mars to quantitatively assess correlations that might be inferred between seismic events and the different geological features on Mars. [Preview Abstract] |
Friday, May 13, 2016 3:42PM - 3:54PM |
C2.00002: Analysis of the Isotopic Composition of Molybdenum in Water Samples Along the Athabasca River Henriette Lund, William Shotyk, Michael Wieser The Athabasca bituminous sands, located in the northeastern region of Alberta, are sources of bitumen from which oil and other petroleum products are produced. The extraction of bitumen from the bituminous sands raises concerns that environmentally harmful byproducts may leak into the Athabasca River. The objective of this project was to investigate the concentrations and isotopic compositions of molybdenum in the Athabasca River, which is typically found in elevated amounts in bitumen, relative to the continental crust. ~Water samples were collected along the river upstream and downstream from Fort McMurray and in the vicinity of oil sand operations. Relative isotopic compositions of $^{\mathrm{98}}$Mo:$^{\mathrm{95}}$Mo were measured and reported as delta values. The Mo isotopic compositions ranged between 1.50 - 1.79 per mill along the river. Mo concentrations were found to range between (0.2703 -- 0.7038)*10$^{\mathrm{-6}}$ g Mo/L. These are significant variations in both isotopic composition and concentration and indicate that the sources of Mo change along the Athabasca River. Based on these results, a much more extensive study is underway to identify possible sources of Mo to the river. [Preview Abstract] |
Friday, May 13, 2016 3:54PM - 4:06PM |
C2.00003: A Brief Report On Time-integrated Spectrum Measurements From W X-PINCH With 1 KA/NS Current Rate In The Energy Range From 10 TO 20 KEV. Roman Shapovalov, Rick Spielman A unique, compact {\&} portable x-pinch driver was recently fabricated and tested at the Idaho State University [1]. The new driver can supply of about 200-kA peak current into a low inductance x-pinch load with about 1 kA/ns current rate of rise. In this report we present a first time-integrated spectrum measurements from tungsten x-pinches comprised of 2x30-um wires installed in anode-cathode gap with separation distance of about 1.3 cm. The simulation shows that spectrum can be fitted by exponential low with a temperature of about 2.5 keV in the energy range from 10 to 20 keV. 1. R. Shapovalov and R. Spielman, ``Shirt-Circuit test data of a new 2-LTD-Brick x-pinch driver at the Idaho Accelerator Center,'' in Proc. Pulsed Power Conference (PPC), 2015 IEEE. [Preview Abstract] |
Friday, May 13, 2016 4:06PM - 4:18PM |
C2.00004: Campus as an applied renewable energy laboratory: Sustainable infrastructures and communities E.J. Zita How can institutions meet ambitious goals to reduce energy use and carbon during economically tight times? How can 20th century faculty at colleges and universities prepare students for a 21st century workforce? How can infrastructures function more sustainably, with moderate resources? We describe a collaborative model in which students and campus operations serve as resources for each other's development. An unusual event motivated a new model for classroom-based research at The Evergreen State College. Student teams collaborate with physics faculty, sustainability and facilities staff, and administrators to apply their academic research to the potential for renewable energy production and other sustainability initiatives on campus. Challenges such as aging buildings, energy and carbon costs, low insolation and wind, limited financial resources, and communication are addressed in a series of studies. Our campus-as-a-learning-laboratory focus produces a sustainable research community, improved communication infrastructure, concrete proposals for specific projects, and a framework for robust future work. We describe solar thermal, geothermal, building management systems, and food systems as priority projects, identifying funding sources and partners. We discuss strategies for addressing outstanding challenges, and creating opportunities. [Preview Abstract] |
Friday, May 13, 2016 4:18PM - 4:30PM |
C2.00005: From Quantum Criticality to Technocultures Tb-Lukman Djajadikusuma-Zoehri,SSos Instead `` Materials tuned to the neighbourhood of a zero temperature phase transition often show the emergence of novel quantum phenomena'', in SE Rowley, {et.al}: {``Quantum Criticality in Ferroelectrics ``, } stated ``Ferroelectric crystals provide a very different type of quantum criticality that arises purely from the crystalline lattice''. In coincidences to ``krustallos `` in Greece {\&} the Crystal of Knowledge granted by HE. Prof. Dr.der.Soz GUMILAR RUSLIWA SOMANTRI, 2007, Simon Cooper ever wrotes {``Technoculture {\&} Critical Theory'', in theservice of the machine.} They were then wholefully relates neology {\&} technoscience through Joshua Raulerson:{''Singularities: technoculture, transhumanism {\&} Science Fiction in 21}$^{\mathrm{\mathbf{st}}}${ Century'',}Dissertation, from information society to virtual life provides by HE. Mr. Dr.rer.nat. Martarizal's virtuous efforts. [Preview Abstract] |
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