cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Topology studies of hydrodynamics using two particle correlation analysis
Creators: name: Takahashi, J.
name: Tavares, B. M.
name: Qian, W. L.
name: Andrade, R.
name: Grassi, F.
name: Hama, Y.
name: Kodama, T.
name: Xu, N.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: The effects of fluctuating initial conditions are studied in the context of relativistic heavy ion collisions where a rapidly evolving system is formed. Two particle correlation analysis is applied to events generated with the NEXSPHERIO hydrodynamic code, starting with fluctuating non-smooth initial conditions (IC). Results show that the non-smoothness in the IC survives the hydro-evolution and can be seen as topological features of the angular correlation function of the particles emerging from the evolving system. A long range correlation is observed in the longitudinal direction and in the azimuthal direction a double peak structure is observed in the opposite direction to the trigger particle. This analysis provides clear evidence that these are signatures of the combined effect of tubular structures present in the IC and the proceeding collective dynamics of the hot and dense medium.
Infinite operator-sum representation of density operator for a dissipative cavity with Kerr medium derived by virtue of entangled state representation
Creators: name: Hu, Li-yun
name: Fan, Hong-yi
Publisher: name: arXiv
Year: 2009
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: By using the thermo entangled state representation we solve the master equation for a dissipative cavity with Kerr medium to obtain density operators' infinite operator-sum representation}$ρ(t) =\sum_{m,n,l=0}^{\infty}M_{m,n,l}ρ_{0}\mathcal{M}_{m,n,l}^{\dagger}.$ It is noticeable that}$M_{m,n,l}$ is not hermite conjugate to $\mathcal{M}_{m,n,l}^{\dagger}$, nevertheless the normalization}$\sum_{m,n,l=0}^{\infty}\mathcal{M}_{nm,,l}^{\dagger}M_{m,n,l}=1$ still holds}, i.e., they are trace-preserving in a general sense. This example may stimulate further studying if general superoperator theory needs modification.
description: 6 pages, comments welcome
title: Influence of Boat Density Levels on Boaters' Satisfaction at Hyrum Lake, Utah
Creators: name: Powell, Floyd Alma
Publisher: name: Utah State University
Year: 1998

description: The purpose of this study was to evaluate the effects of boat density on boaters' satisfaction at Hyrum Lake State Park, Utah. The study evaluated relationships between boaters' satisfaction with their Hyrum Lake experience and density of boats at different locations on the lake and among participants in different boating activities.
The participants in this study were boaters who used Hyrum Lake between May and September of 1996. An oral, onsite interview survey was randomly given to 282 boaters as they left the lake for the day. The surveys were conducted on high-density days (weekends) and low-density days (weekdays) , which were also randomly selected.
Correlation analysis and analysis of variance (ANOVA) were performed . The study found no significant relationships between density and satisfaction associated with either lake location or activity. Satisfaction did not differ between activities; however, participants in two activities (fishing and water skiing) did report higher satisfaction while using the boat ramp than for other locations on the lake.
When a Welch t' test was performed comparing boating density ≤ 44 with boating density ≥ 45 boats, even though there was no statistically significant difference, a suggested trend did appear . The results indicate a slightly higher satisfaction rating among water skiers when density was 44 or fewer boats. Conversely, personal watercraft (PWC) users indicated that their satisfaction levels were higher when boating density was ≥ 45 boats. This would suggest that PWC users may be satisfied at boat densities much higher than other users could accept.
Although 74% of all the boaters surveyed wanted to set a limit (carrying capacity) on the number of boats allowed on the lake at one time, the carrying capacity will not be immediately implemented, because the data found no statistically significant difference in satisfaction levels with higher boat densities.
Development of Frequency Response Simulation Program for Filter Circuit Design
Creators: name: Nattapong Intarawiset
name: Sugchai Tantiviwat
name: Apirun Chanthong
name: Jessada Konpang
Publisher: name: Rajamangala University of Technology Lanna
Year: 2023
Subjects: Simulation program
Filters
Wireless communications

description: RMUTL Engineering Journal, 8, 2, 12-20
Study of the Temperature Optical Fiber Sensor using OTDR
Creators: name: Supaset Junon
name: Athikom Roeksabutr
Publisher: name: Rajamangala University of Technology Lanna
Year: 2023
Subjects: Optical Fiber
Rayleigh Scattering
OTD

description: RMUTL Engineering Journal, 8, 2, 21-29
title: Morphometric Evaluation of the Whitefish Complex in Bear Lake, Utah/Idaho
Creators: name: Ward, Alan
Publisher: name: Utah State University
Year: 2001

description: Whitefish populations around the world have long been difficult to categorize taxonomically. The whitefish of Bear Lake, Utah/Idaho are no exception. There are three recognized species of Prosopium that are endemic to the lake. Two of these species, Prosopium spilonotus and Prosopium abyssicota, have previously been indistinguishable outside of spawning times. Previous studies have proposed additional taxa within P. spi/onotus to further complicate the identification among these taxa.
Morphological characteristics were quantified on wild whitefish from Bear Lake, as well as from progeny reared in the laboratory from the wild adult fish. The purported taxa were separated in the field using the best characteristics presented in previous studies, and the progeny were reared separately in these groups. Otolith aging was also done on the wild adult fish to understand the age structure of the spawning populations.
Results from otolith aging and morphological analyses on the laboratoryreared fish indicated that there is only one taxonomic group of P. spilonotus. By using scale counts, it was determined that P. spilonotus and P. abyssicola can be distinguished from each other with considerable reliability.
Controlling the dynamics of a coupled atom-cavity system by pure dephasing : basics and potential applications in nanophotonics
Creators: name: Auffèves, A.
name: Gerace, D.
name: Gérard, J. M.
name: Santos, M. Franca
name: Andreani, L. C.
name: Poizat, J. P.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Quantum Physics (quant-ph)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Other Condensed Matter (cond-mat.other)
subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: The influence of pure dephasing on the dynamics of the coupling between a two-level atom and a cavity mode is systematically addressed. We have derived an effective atom-cavity coupling rate that is shown to be a key parameter in the physics of the problem, allowing to generalize the known expression for the Purcell factor to the case of broad emitters, and to define strategies to optimize the performances of broad emitters-based single photon sources. Moreover, pure dephasing is shown to be able to restore lasing in presence of detuning, a further demonstration that decoherence can be seen as a fundamental resource in solid-state cavity quantum electrodynamics, offering appealing perspectives in the context of advanced nano-photonic devices.
description: 10 pages, 7 figures
Automatic Water, Fertilizer and Insecticide Dispenser System for Rose Garden using ESP8266 and Blynk IoT Platform
Creators: name: Natchasit Chukiatkhajorn
name: Chatchawan Takum
name: Pranote Pookkapund
name: Pratch Piyawongwisal
name: Tubkerd, Anan
name: Kwanchai Euaviriyanukul
Publisher: name: Rajamangala University of Technology Lanna
Year: 2023
Subjects: Automatic Plant Watering and Fertilization System
Pesticide Dispenser
Rose Garden
Relay Module
Solenoid Valves
Line Notify
ESP8266
Blynk IoT Platform

description: RMUTL Engineering Journal, 8, 2, 30-41
Additional file 1 of A dual functional Ti-Ga alloy: inhibiting biofilm formation and osteoclastogenesis differentiation via disturbing iron metabolism
Creators: name: Li, Fupeng
name: Huang, Kai
name: Wang, Jinbing
name: Yuan, Kai
name: Yang, Yiqi
name: Liu, Yihao
name: Zhou, Xianhao
name: Kong, Keyu
name: Yang, Tao
name: He, Jian
name: Liu, Chunjie
name: Ao, Haiyong
name: Liu, Fengxiang
name: Liu, Qian
name: Tang, Tingting
name: Yang, Shengbing
Publisher: name: figshare
Year: 2023
Subjects: subject: Space Science
subject: Medicine
subject: Microbiology
subject: FOS: Biological sciences
subject: Pharmacology
subject: Biological Sciences not elsewhere classified
subject: Mathematical Sciences not elsewhere classified
subject: Developmental Biology
subject: Cancer
subject: Hematology
subject: Infectious Diseases
subject: FOS: Health sciences
subject: Virology

description: Supplementary Material 1
Aufstiegsmobilität und -chancen auf dem regionalen Arbeitsmarkt
Creators: name: Benedix, Ulf
Publisher: name: Arbeitnehmerkammer Bremen
Year: 2016
Subjects: subject: Aufstiegschancen
subject: Beruf
subject: Qualifizierung
subject: Fachkräfte
subject: 80

description: Aufstiegsmobilität durch Qualifizierung nutzt Arbeitnehmerinnen und Arbeitnehmern sowie Unternehmen gleichermaßen: Beschäftigte können durch Qualifizierung ihre berufliche Position und ihre Beschäftigungsbedingungen verbessern. Unternehmen können im demografischen Wandel ihren Fachkräftebedarf nachhaltig decken. Ausbau und Nutzung dieser Chancen durch Qualifizierung setzen eine darauf ausgerichtete betriebliche Personalpolitik voraus. In der für Bremen wichtigen Logistikbranche wurden die Qualifizierungswege und Beschäftigungsbedingungen von Speditions- und Schifffahrtskaufleuten, Lagerlogistikerinnen und -logistikern sowie Berufskraftfahrerinnen und -fahrern untersucht. Die Ergebnisse zeigen ein starkes Gefälle zwischen den Qualifizierungschancen in den drei Berufsbereichen und in der Personalentwicklung von Unternehmen. Vor allem bei Berufskraftfahrern und -fahrerinnen sind die Beschäftigungs- und Ausbildungsbedingungen in der Regel besorgniserregend schlecht und auf längere Sicht auch nachteilig für die Unternehmen. Für die untersuchten Berufe werden Empfehlungen zu einer zukunftsgerichteten Gestaltung der Qualifizierung gegeben.
title: The Effects of the Psycho-Social Need for Security on Irrigation Farmers' Behavior and Cognition Related to Water Resources
Creators: name: Geertsen, Dennis Call
Publisher: name: Utah State University
Year: 1969

description: The findings of this study indicated, contrary to expectations, that irrigation farmers who expressed needs for water did not engage in certain types of goal-oriented behavior designed to resolve those needs any more so than did those who did not express these needs. There were four measures of goal-orientation which included: Attendance at meetings about the Bear River Project, actively seeking information about said Project and positive attitude toward development of the Bear River.
There were significant relationships, however, between expressed water needs and worries over the water supply, the experiencing of human problems related to water use and perceived threats associated with the possibility of losing water.
It was discovered that the farmers' belief that surplus water exists in the Bear River was a major factor associated with both their attitude toward development of the Bear River and their perception of benefits of the Project. This would suggest that farmers perceive that development must first be possible by the existence of reserve water in the Bear River.
An incidental yet important finding of the study was that a good portion of the farmers who favored some kind of development felt that the Project as planned would be a hindrance to the water situation in their areas.
Meson Masses and Mixing Angles in 2+1 Flavor Polyakov Quark Meson Sigma Model and Symmetry Restoration Effects
Creators: name: Gupta, Uma Shankar
name: Tiwari, Vivek Kumar
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The meson masses and mixing angles have been calculated for the scalar and pseudoscalar sector in the framework of the generalized 2+1 flavor Polyakov loop augmented quark meson linear sigma model. We have given the results for two different forms of the effective Polyakov loop potential. The comparison of results with the existing calculations in the bare 2+1 quark meson linear sigma model, shows that the restoration of chiral symmetry becomes sharper due to the influence of the Polyakov loop potential. We find that inclusion of the Polyakov loop in quark meson linear sigma model together with the presence of axial anomaly, triggers an early and significant melting of the strange condensate. We have examined how the inclusion of the Polyakov loop qualitatively and quantitatively affects the convergence in the masses of the chiral partners in pseudoscalar ($π$, $η$, $η'$, $K$) and scalar ($σ$, $a_0$, $f_0$,$κ$) meson nonets as the temperature is varied on the reduced temperature scale. The role of $U_A(1)$ anomaly in determining the isoscalar masses and mixing angles for the pseudoscalar ($η$ and $η'$) and scalar ($σ$ and $f_0$)meson complex, has also been investigated in the Polyakov quark meson linear sigma model. The interplay of chiral symmetry restoration effects and the setting up of $U_A(1)$ restoration trend has been discussed and analyzed in the framework of the presented model calculations.
description: 15 pages, 8 figures, 4 tables
A Systematic Approach to the Treatment of Hyponatraemia.
Creators: name: Garrahy, Aoife
Publisher: name: Royal College of Surgeons in Ireland
Year: 2021
Subjects: subject: 110306 Endocrinology
subject: FOS: Clinical medicine

description: The work in this thesis was designed to develop an evidence base for the mainstays of treatment of acute and chronic hyponatraemia, and to contribute to our understanding of the morbidity and mortality associated with hyponatraemia. The work provides the first head to head comparison of bolus and slow infusion of 3% saline in acute syndrome of inappropriate antidiuresis (SIAD), and demonstrates bolus administration of 3% saline is associated with faster initial elevation of plasma sodium concentration and improvement in GCS, thus supporting the switch to bolus treatment of symptomatic acute SIAD. We present the first prospective randomised controlled trial data for fluid restriction in chronic SIAD, using prospective data in a well-defined cohort of patients. The results highlight the suboptimal efficacy of fluid restriction in a significant proportion of patients with chronic SIAD. The thesis also illustrates how improvements in the management approach to hyponatraemia in our hospital have led to a reduction in mortality in patients with severe hyponatraemia over time. While hyponatraemia-treatment rates are higher in elderly patients than their younger counterparts with hyponatraemia, plasma sodium is more often uncorrected at discharge. Hyponatraemia in both age groups is associated with increased mortality compared with eunatraemic controls, but the impact is greater in younger patients. The data produced from these studies emphasise the clinical need for other treatment strategies for chronic SIAD, particularly if a clinically significant reduction in morbidity is to be targeted, both in clinical practice and in future research studies.
title: Hydrogeomorphic Factors Influencing Clonal Recruitment of Cottonwoods in Mountain Valleys
Creators: name: Roberts, Michael D.
Publisher: name: Utah State University
Year: 1999

description: Riparian cottonwoods (populus spp.) are keystone pioneer species that contribute to critical streamside and in-stream habitats, water quality, and aesthetic and recreational value. Land use and river regulation have caused a widespread reduction in the extent and regeneration of this genus. The majority of research on Populus species' reproduction has examined seedling recruitment that dominates in wide alluvial valleys. In contrast, I evaluated reproductive strategies of Populus angustifoliain mountain valleys. Research was conducted in northern Utah on the Little Bear River, a gravel-bedded stream that flows north out of the Bear River Range onto deposits of Ancient Lake Bonneville. I used allozyme electrophoretic data and vegetation mapping to investigate recruitment mechanisms of cottonwoods at two steep, confined mountain valley sites and two wide, alluvial valley sites. Allozyme electrophoretic analysis on samples from sites one through four revealed 60%, 69%, 86%, and 84% clonal recruitment, respectively. The size of cottonwood clones may be on the order of 200-300 m in this system. Vegetation mapping supported allozyme data and suggested that clonal recruitment dominates the system.
I also collected data at four sites containing no cottonwoods to compare hydrogeomorphic influences at non-cottonwood (NC) sites and cottonwood recruitment (CR) sites. CR sites possess a distinctive geomorphic template relative to NC sites and this template may facilitate root disturbance resulting in clonal recruitment. A high frequency of woody debris and mid-channel islands characterizes CR sites. Channels at CR sites are less entrenched, more sinuous, and exhibit larger bankfull channel width and width to depth ratios, and finer grain sizes than channels at NC sites. At CR sites, estimates of bankfull average boundary shear stress and unit stream power are less compared to those at NC sites.
Cottonwood recruitment models that typically describe seedling reproduction in alluvial valley environments do not apply in narrow, steep-gradient environments. I found clonal recruitment of cottonwoods to correlate spatially and temporally with channel and root disturbance associated with rain on snow events on the order of the 25-30-yr flood event.
Using Cow Feces as a Concrete Mix as a Guideline For the Production of Interlocking Bricks
Creators: name: Prachoom Khamput
Publisher: name: Rajamangala University of Technology Lanna
Year: 2023
Subjects: Cow Feces
Concrete
Dairy Farm
Interlocking Bricks

description: RMUTL Engineering Journal, 8, 2, 42-51
Bremen-Nord: Chancen zur Neupositionsierung nutzen!
Creators: name: Andreas, Verena
name: Böhme, René
name: Fortmann, Fabian
name: Nischwitz, Guido
Publisher: name: Arbeitnehmerkammer Bremen
Year: 2016
Subjects: subject: Bremen-Nord
subject: Datenanalyse
subject: Maßnahmen
subject: Positionierung
subject: 330

description: Datenanalyse zur Auswertung und Billanzierung der Maßnahmen und Programme der letzten 20 Jahre in Bremen-Nord. Haerausgerbeitete Ansätze dafür wie sich Bremen-Nord neu positionieren kann.
All-optical pump-and-probe detection of dynamical correlations in a two-dimensional Fermi gas
Creators: name: Dao, Tung-Lam
name: Kollath, Corinna
name: Carusotto, Iacopo
name: Koehl, Michael
Publisher: name: arXiv
Year: 2009
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We propose an all-optical scheme to probe the dynamical correlations of a strongly-interacting gas of ultracold atoms. The proposed technique is based on a pump-and-probe scheme: a coherent light pulse is initially converted into an atomic coherence and later retrieved after a variable storage time. The efficiency of the proposed method to measure the one-particle Green function of the gas is validated by numerical and analytical calculations of the expected signal for the two cases of a normal Fermi gas and a BCS superfluid state. Protocols to extract the superfluid gap and the full quasi-particle dispersions are discussed.
description: 4 pages, 4 figures. To be published in Phys. Rev. A
Mechanical Properties of 3D Printed Parts with Thermal Annealing
Creators: name: Siwasit Pitjamit
name: Kraisorn Wongpoo
name: Parida Jewpanya
name: Pakpoom Jaichompoo
name: Pinit Nuangpirom
Publisher: name: Rajamangala University of Technology Lanna
Year: 2023
Subjects: Design of Experiment
3D Printing
Thermal Annealing
Mechanical Property
Thermal Property

description: RMUTL Engineering Journal, 8, 2, 52-62
title: Effects of Myxobolus cerebralis on the Population Dynamics of Kokanee in Porcupine Reservoir, Utah
Creators: name: Butts, Arthur E.
Publisher: name: Utah State University
Year: 2002

description: This study tracked the chronology and severity of Myxobolus cerebralis infection and related it to survival of age-0 kokanee to determine whether M. cerebralis represented a significant agent of morality in the population. Environmental conditions and losses to predation were identified and linked to age-0 kokanee survival to identify other sources of mortality in the population. We attempted to track survival of age-0 kokanee from the outmigration into the reservoir until the end of the first growing season in September of each year. The number of age-0 kokanee that entered the reservoir was calculated by obtaining estimates of total egg deposition and egg-to-fry survival for the 1999 brood year.
Age-0 kokanee were primarily infected by the parasite after they had entered the reservoir in spring. Prevalence and severity increased rapidly throughout the summer and nearly all age-0 kokanee were infected by August of both years. In total, 495 age-0 kokanee were examined for clinical lesions associated with M. cerebralis in 1999 and 2000, but only one fish displayed a cranial abnormality in 2000. Low survival rates of age-0 kokanee from July through September were observed and coincided with increased prevalence and severity. However, because of high reservoir temperatures, low food levels, predation, and entrainment, evidence for M. cerebralis acting as a direct source of mortality on age-0 kokanee was elusive during our study. In age-1 and older kokanee we did not find any evidence that M. cerebralis had an effect on growth and overall condition of the fish. Infection severity and presence of clinical signs varied between years and were likely more related to limitations of the diagnostic techniques. Any effects that M. cerebralis may have had on kokanee are likely to occur during the first growing season and may impact the host's ability to cope with the other environmental stressors identified at Porcupine Reservoir.
Despite high mortality rates, the kokanee population at Porcupine Reservoir was considered to be overabundant based on estimated densities and length distributions of spawning fish. M cerebralis did not appear to have significant effect on the abundance of the kokanee population but we were unable to determine whether or not the parasite was a source of direct mortality because of other potential sources of mortality.
Perspektive Ausbildung?
Creators: name: Böhme, René
Publisher: name: Arbeitnehmerkammer Bremen
Year: 2016
Subjects: subject: Geflüchtete
subject: Ausbildung
subject: Übergang Schule - Beruf
subject: Ausbildungsqualität
subject: 370

description: Allein im Jahr 2015 erreichten über 10.000 Geflüchtete und circa 2.500 unbegleitete minderjährige Ausländerinnen und Ausländer das Land Bremen. Etwa die Hälfte der Geflüchteten ist jünger als 25 Jahre, also in einem Alter, in dem sich Jugendliche in Deutschland im Übergang zwischen Schule, Ausbildung und Berufsleben bewegen. Im Rahmen eines von der Arbeitnehmerkammer Bremen geförderten Forschungsprojekts wurde nach den Gelingensbedingungen und Hürden am Übergang in Ausbildung gefragt. Die Ergebnisse zeigen, dass mehr Unterstützung organisiert werden muss, um den Ausbildungserfolg von Geflüchteten wahrscheinlich zu machen. Die Ausbildung von jungen Geflüchteten, aber auch von Jugendlichen mit besonderen Schwierigkeiten stellt hohe Anforderungen an die Betriebe und das Ausbildungssystem. Es braucht daher eine hohe Ausbildungsqualität, und zwar sowohl in Hinblick auf betriebliche wie auch schulische Strukturen. Übergänge müssen intensiver begleitet und unterstützt werden. Zudem müssen die Bildungsdiagnostik verbessert, die Schulsozialarbeit ausgeweitet und Einstiegsmöglichkeiten in das Schulsystem für 18- bis 25- Jährige ermöglicht werden. Hierfür braucht es aber die Bereitstellung erheblicher öffentlicher Mittel.
title: Geology of the Northern Part of Wellsville Mountain, Northern Wasatch Range, Utah
Creators: name: Beus, Stanley S.
Publisher: name: Utah State University
Year: 1958

description: Wellsville Mountain forms the extreme northern end of the Wasatch Range in northern Utah. It lies at the western margin of the Middle Rocky Mountain province and is bordered by valleys of the Basin and Range province. Many geologic investigations have been made in this region. Much of the Wasatch Range has been studied and mapped as well as parts of the Bear River Range, east of Cache Valley, and the Malad Range which extends north from Wellsville Mountain; however, the geology of Wellsville Mountain has not been studied or mapped in detail. Some reconnaissance mapping has been done and sections of Cambrian and Pennsylvanian formations have been measured on the western mountain front (Maxey, 1941; Williams, 1943), but little is known about the middle Paleozoic formations and the structural geology of the northern part of the mountain.
title: Seasonal Movements of Fluvial Bonneville Cutthroat Trout in the Thomas Fork of the Bear River, Idaho-Wyoming
Creators: name: Colyer, Warren
Publisher: name: Utah State University
Year: 2002

description: The majority of interior cutthroat trout (Oncorhynchus clarki) subspecies have been extirpated from large rivers by anthropogenic activities that have fragmented habitats and introduced non-native competitors. Selective pressures against migratory behaviors and mainstream river occupation and conservation schemes that isolate genetically pure populations above barriers have restricted gene flow and prevented the expression of fluvial life history traits in many populations. Existing knowledge about the movements and home range requirements of fluvial cutthroat trout is therefore limited. We implanted a total of 55 Bonneville cutthroat trout (BCT) in the Thomas Fork River, Idaho, with radio transmitters and located them weekly or bimonthly from October to April of both 1999/2000 and 2000/2001. Half of these fish were located above a seasonal diversion barrier and half were located below. We found fish to be more mobile than previously reported. Individuals located above the diversion barrier in 2000/2001 occupied significantly larger home ranges (median 3,675 m, range 2,500-8,900 m) and moved more frequently (mean 0.89 movements/contact, range 0.57-1.0) than other fish. Fish occupied habitats in the lower Thomas Fork and Bear River during the winter that were marginal or uninhabitable during other seasons. During the spring of both years we located fish in both upstream and neighboring tributaries up to 84 km away from our study site. Our results document the existence of a fluvial component of BCT in the Bear River and its tributaries and suggest that successful efforts at conservation of these fish will focus on mainstream habitats and the maintenance of seasonal migration corridors.
Deep learning model for ground segmentation using DSM and aerial photographs
Creators: name: Perez, David
Publisher: name: Zenodo
Year: 2023

description: Checkpoint for a deep learning model for ground segmentation using DSM and aerial photographs, trained in the context of the project available on github at https://github.com/davpergan/DTM_DSM_GAN It should be stored in the directory "training_checkpoints/seg/seg_model"
Transplanckian bremsstrahlung and black hole production
Creators: name: Gal'tsov, Dmitri V.
name: Kofinas, Georgios
name: Spirin, Pavel
name: Tomaras, Theodore N.
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Experiment (hep-ex)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Classical gravitational bremsstrahlung in particle collisions at transplanckian energies is studied in ${\mathcal M}_4\times {\mathcal T}^d$. The radiation efficiency $ε\equiv E_{\rm rad}/E_{\rm initial}$ is computed in terms of the Schwarzschild radius $r_S(\sqrt{s})$, the impact parameter $b$ and the Lorentz factor $γ_{\rm cm}$ and found to be $ε=C_d (r_S/b)^{3d+3} γ_{\rm cm}^{2d+1}$, larger than previous estimates by many powers of $γ_{\rm cm}\gg 1$. The result is reliable for impact parameters in the overlap of $r_Sλ_C$, with $b_c$ marking (for $d\neq 0$) the loss of the notion of classical trajectories and $λ_C\equiv \hbar/mc$ the Compton length of the scattered particles. The condition on $s$ and $m$ for extreme radiation damping and (presumably) no black hole production is also derived.
description: 4 pages, revtex 4. The discussion section is changed to better clarify the region of validity of our calculation. The physical conclusions and the abstract are modified accordingly. A few more references added. We just added the preprint number CCTP-2010-18
title: Factors Affecting Spawning and Survival of Bear Lake Bonneville Cutthroat Trout in St. Charles Creek, Idaho
Creators: name: Burnett, Paul
Publisher: name: Utah State University
Year: 2003

description: I described the spawning ecology of the Bear Lake Bonneville cutthroat trout (BLBCT) in St. Charles Creek. I tracked cutthroat trout with used radio telemetry. I conducted redd counts to describe spawning conditions. Most cutthroat trout in the Big Arm strayed into the Bear River. Cutthroat trout migrations in the Little Arm and main fork were very limited (km). Redd distributions showed very similar patterns between 1989, 2000 and 2001 with most redds being built in the lowest kilometer of stream. Artificial fish transportation changed the redd distribution in 2002. More redds were built in the main fork and redds were distributed throughout the stream. Redds built in the main fork were characterized by lower levels of fine sediment and higher water velocities as compared to the redds built on the Little Arm. The results of this research will be used to aid resource managers in developing a management plan for wild BLBCT.
title: Assessing the Effects of Myxobolus cerebralis and Other Environmental Factors on the Dynamics, Abundance, and Distribution of Trout Populations in the Logan River, Utah
Creators: name: de la Hoz Franco, Ernesto A.
Publisher: name: Utah State University
Year: 2003

description: The presence of nonnative trout and the recent introduction of Myxobolus cerebralis in the Logan River drainage pose a threat to the native Bonneville cutthroat trout population (Oncorhynchus clarki Utah). The variability in the response of susceptible trout populations to M. cerebralis, causing agent of whirling disease, suggests that environmental factors may influence the effects of the parasite in infected environments. I investigated the relationship between temperature, discharge, substrate size, nutrient concentration (nitrogen and phosphorus), periphyton (chlorophyll a), and the relative abundance of Tubifex tubifex to the distribution, and prevalence of M. cerebralis in wild salmonid populations and sentinel fish in the mainstem of the Logan River and two of its tributaries. In addition, I investigated the potential influence of biotic (e.g., food availability, M. cerebralis prevalence) and abiotic factors (e.g., temperature) on the distribution abundance, and condition of salmonid fishes.
Differences in mean temperature and discharge across sites explained most (>70%) of the variability in prevalence of M. cerebralis observed along the Logan River. However, the prevalence of the parasite was not related to other factors that can influence its life cycle, such as productivity and substrate composition. The results also indicate that the fish fauna presents a longitudinal change reflected in a zonation pattern. Cutthroat trout dominates the headwaters and high-elevation reaches, while reaches at lower elevations of the mainstem and tributaries were dominated by brown trout. The transition between these species was consistent with changes in environmental characteristics. Cutthroat trout dominates the fish community in mainstream reaches with the lowest average minimum temperature and highest diel temperatures, and where small boulders and small cobbles are the predominant substrate.
This study provides insights of the abiotic and biotic factors that affect the distribution, abundance, and condition of salmonid populations along the Logan River. Identifying these factors is crucial to effectively manage this and other trout streams, where ensuring the conservation of native cutthroat trout populations is a priority. Further, I present baseline information of the potential linkages between environmental factors and M. cerebralis distribution and prevelance, which could be used to develop plans to minimize the potential negative effects of this parasite on wild salmonid populations.
title: An Ecological/Life History Comparison of Two Whitefish Species in Bear Lake, Utah/Idaho
Creators: name: Thompson, Brett W.
Publisher: name: Utah State University
Year: 2003

description: Ecological traits of the endemic Bear Lake whitefish Prosoopium abyssicola and the Bonneville whitefish prosopium silonotus were investigated. Spatial distributions indicated distinctive differences in depth contour preference. Catch per unit effort data indicated that Bonneville whitefish prefer shallow depths and warmer water temperatures, whereas Bear Lake whitefish prefer deep, cold water.
Diet differences between the two species were large. Differences in both age distribution and growth rate patterns were also observed. The Bonneville whitefish population was predominantly composed of juvenile age classes. Very large adults reached ages of 12-14 years. Bear Lake whitefish exhibited a different population structure with few young fish and larger proportions of older age classes. Some of these fish were aged over 35 years old. Both analyses suggest that the population structure of each species is the result of a stable or growing population.
title: The Influence of Predator Exclosures and Livestock Grazing on Duck Production at Bear River Migratory Bird Refuge, Utah
Creators: name: West, Benjamin C.
Publisher: name: Utah State University
Year: 2002

description: Nest predation is a major factor impacting duck production and recruitment on breeding areas in North America. I surveyed waterfowl managers employed by the U.S. Fish and Wildlife Service and U.S. state wildlife agencies to determine their beliefs about nest predation and its management. Over 64% of respondents believed that rates of nest success on their management units averaged
Wildlife managers have argued that periodic disturbance of vegetation should be a component of management on waterfowl breeding areas. Although many techniques are available to manipulate vegetation, grazing by domestic livestock has been controversial. Some researchers have reported that livestock grazing is detrimental to nesting ducks whereas others have argued that it can be beneficial. I evaluated the impact of a short-duration, high-intensity winter livestock grazing program on duck nesting at Bear River Migratory Bird Refuge. Following a winter grazing treatment, I measured visual obstruction on both grazed and ungrazed plots during the spring nesting season. Although visual obstruction readings on grazed plots were lower than those on rested sites early in the nesting season, those differences diminished as the season progressed. Winter grazing may impact early-nesting ducks like mallards (Anas platyrhynchos), but not late-nesting species like cinnamon teal (Anas cyanoptera) and gadwall (Anas strepera). In designing grazing programs to manage nesting cover, managers should consider their waterfowl production goals, the composition of breeding duck populations, type of grazing system, and climatic conditions.
title: Postharvest Degradation of Microalgae: Effect of Temperature and Water Activity
Creators: name: Nelson, Jacob A.
Publisher: name: Utah State University
Year: 2015

description: Though usually a nuisance in swimming pools and ponds, algae has the potential to be a valuable commodity for use as food and fuel. But before algae butter and biofuel become commonplace, issues with harvesting and storing this new crop need to be overcome. Though there has been ample research into how to grow and use algae, scientists have spent little time figuring out what to do after you pull it out of the water and before you eat it (or turn it into biodiesel). Algae, like all food products, starts to spoil as soon as it is harvested.
This study looked at three methods of preserving algae, freezing, drying, and pasteurization. Freezing is a good method for preserving fats and proteins, but it is expensive to freeze tons of algae. Freezing and thawing destroyed the algal cells, producing a soupy mixture that may cause complications for processing into foods or fuels. Drying was able to preserve the fats in algae, but only if it was dried just the right amount, about as dry as cheese or ham. Pasteurization was able to prevent the oils in the algae from going rancid by inactivating a protein in the algae that causes the oil to spoil rapidly.
Overall, this research is an initial step in finding a process to produce a shelf stable algal commodity, opening the door to new and valuable products for human use.
Exploratory study of marriage termination in tribal societies : using a role-analysis approach.
Creators: name: Ornstein, Toby Elaine
Publisher: name: University of British Columbia
Year: 2011

description: Two problems are considered in this thesis. There is an attempt to explore the nature of marriage termination cross-culturally while at the same time investigate the value of basing comparative studies on analyses of systems of roles. Thus the investigation of the two problems is interdependent. Since "marriage" is defined as establishing a series of relationships particularly for the husband and wife, "marriage termination" is seen as creating at least a change in these relationships. The focus of the study then is the point at which the marriage ceases. Six categories of the major redefinitions of roles that must occur at this point were established. The fund of ethnographic data used in this study comes from sixteen tribal societies which were selected from sixty works for their containing information in at least three of the six categories. The relevant data was coded and phrased in terms of the various problems that the husband and wife confront at the termination of their marriage. The solutions to these problems were also coded and presented as the choices made by the couples in each society. A total of sixteen problems and 243 variables were coded. It was hoped that when the variables were tabulated that some connections between the variables could be found, giving rise to principles of marriage termination which, with more research, might produce hypotheses. In fact no relationships between the variables could be drawn. This is seen as primarily due to too small a sample and a lack of crucial data, making accurate comparisons impossible. However this study does delineate the problems in a comparative study of marriage termination and demonstrates the kind of cross-cultural tableau made possible by a role-analysis which, on logical grounds, should facilitate anthropological generalizations.
title: The Effects of Interactive Computer Simulation and Animation on Student Learning of Rigid Body Dynamics: A Mixed Method Study
Creators: name: Ha, Oai
Publisher: name: Utah State University
Year: 2015

description: Engineering Dynamics (ED) courses are known as challenging and demanding for undergraduate students majored in many engineering fields, such as mechanical and aerospace engineering and civil and environmental engineering. The course is built upon the foundation and framework of mathematics and physics and requires students to have strong abstract thinking and reasoning skills. Rigid body dynamics (RBD), the second part of ED, investigates kinematics and kinetics of rigid bodies and is considered as a difficult subject by many undergraduate students because the course requires them to visualize abstract objects in motions. Although there have been many studies reporting the uses of interactive computer simulation and animation (CSA) modules as visual learning tools in RBD instruction, the effectiveness of the CSA modules on student learning of RBD were not rigorously and adequately investigated.
This study employs a mixed method (QUAN – qual) approach and nonequivalent comparison group design to investigate the effectiveness of CSA modules on student learning of RBD, and to explore students’ attitudes towards and experiences with these modules. One hundred and sixty-one students in two recent semesters participated in this study: 74 in one semester participated in the comparison group and 87 in another semester participated in the intervention group. While the intervention group students studied RBD with CSA modules along with traditional lectures, the comparison group students studied RBD with traditional lectures only. Students in both groups were assessed with pretests and posttests using 10 bonus homework assignments developed to address core knowledge areas of RBD. The study uses a set of nonparametric statistical tools to analyze the pretest and posttest scores, mean differences, and magnitudes of the differences in learning gains between the two groups.
Research findings from this study reveal that the intervention group students showed a significant increase in learning gains of overall knowledge, conceptual understanding, and procedural skills with Cliff’s effect sizes of 0.49, 0.41, and 0.47, respectively. CSA modules increased the intervention group students’ confidence, but they did not increase students’ motivation of learning RBD. This study supports the use of CSA modules as an instructional intervention to improve students’ conceptual understanding and procedural skills in learning engineering dynamics.
DTM extraction model using DSM and orthophotographs as input
Creators: name: , David
Publisher: name: Zenodo
Year: 2023

description: Checkpoint for a deep learning DTM extraction model using DSM and orthophotographs as input. It was trained in the context of the project available on github at https://github.com/davpergan/DTM_DSM_GAN It should be stored in the directory "training_checkpoints/rgb_grad_fm" model for ground segmentation using DSM and aerial photographs, trained in the context of the project available on github at https://github.com/davpergan/DTM_DSM_GAN It should be stored in the directory "training_checkpoints/seg/seg_model"
The climate of Myanmar: evidence for effects of the Pacific Decadal Oscillation
Creators: D'Arrigo, Rosanne Dorothy
Ummenhofer, Caroline C.
Publisher: name: Columbia University
Year: 2014
Subjects: Meteorology
Botany
Climatic changes

description: We show evidence for the influence of the Pacific Decadal Oscillation (PDO) on Myanmar's monsoonal hydroclimate using both instrumental and 20th century reanalysis data, and a tree-ring width chronology from Myanmar's central Dry Zone. The ‘regime shifts’ identified in the instrumental PDO for the past century are clearly evident in the Myanmar teak. The teak record and PDO index correlate most significantly and positively during December–May, at r = 0.41 (0.002, n = 109). We generated composite climate anomalies for southern Asia and adjacent ocean areas during negative and positive PDO phases and above/below average teak growth for the May–September wet monsoon season. They show that negative (positive) PDO phases correspond to dry (wet) conditions, due to reduced (enhanced) moisture flux into central Myanmar. Multitaper Method (MTM) and Singular Spectrum Analysis (SSA) spectral analyses reveal considerable multidecadal variability over the past several centuries of the teak chronology, consistent with the PDO.
Geometric Scaling at RHIC and LHC
Creators: name: Boer, Daniel
name: Utermann, Andre
name: Wessels, Erik
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We demonstrate that the RHIC data for hadron production in d-Au collisions for all available rapidities are compatible with geometric scaling. In order to establish the presence of scaling violations expected from small-x evolution a much larger range in transverse momentum and rapidity needs to be probed. We show that the fall-off of the transverse momentum distribution of produced hadrons at LHC is a sensitive probe of small-x evolution.
description: 4 pages, 3 eps figures, uses espcrc2, contributed to proceedings of 14th International QCD Conference (QCD08), July 7-12, 2008, Montpellier
title: Validation of a Noninvasive Technique for the Assessment of Physiological Stress in Coyotes (Canis latrans)
Creators: name: Stevenson, Erika T.
Publisher: name: Utah State University
Year: 2015

description: Quantifying physiological stress may aid in a better understanding of how animals survive various environmental conditions. One noninvasive technique for assessing physiological stress in animals is to extract steroid hormones from fecal samples. This technique has the potential to aid in wildlife conservation by providing a better understanding of behavior and welfare for a variety of species. The objectives of the study were to (1) determine responses in plasma and fecal steroid hormone concentrations for coyotes (Canis latrans), (2) determine which steroid hormone (cortisol or corticosterone) was better for examining physiological stress responses for coyotes, and (3) determine the amount of time steroid hormone metabolites can be found in coyote scats during 2 different seasons. We first conducted an adrenocorticotropic hormone (ACTH) challenge in 16 coyotes and examined both plasma and fecal steroid hormone concentrations. An ACTH challenge is when there is an externally derived hormone (ACTH) injected into a subjects blood stream, which causes an increase in the subject’s circulating steroid hormones associated with physiological stress. We injected 16 treatment animals with ACTH and 16 control animals with a saline solution. We collected blood and fecal samples pre- and post-injection to measure steroid hormone concentrations. Radioimmunoassay, a laboratory method used to measure substances, was used to measure concentrations of steroid hormones in coyote blood and feces. To evaluate if steroid hormone concentrations remained in feces for an extended period of time we collected samples from 6 captive coyotes and left the samples in natural environmental conditions for 13 days. Each day a sub-sample was collected, and hormones were extracted and run through radioimmunoassay. We found increased steroid hormone concentrations after an ACTH challenge in both blood and feces, validating the use of fecal steroid hormone concentrations as a tool to measure physiological stress in coyotes. We also found there were no differences in levels of steroid hormone concentrations over 13 days. Our study provides validation for use of fecal steroid hormone concentrations in coyotes to quantify stress levels and confirms that steroid hormone metabolites are viable up to 13 days post deposition in coyote scat. This noninvasive tool can aid in the evaluation of the abilities of coyotes to adapt and exist in a variety of habitats.