Digital Commons Network^™

Cal Poly Institute For Advanced Technology And Public Policy Secures $1.2 Million To Build Online Transparency Platform For California Legislature, Public Affairs Office

Press Releases

No abstract provided.

Center Pivot Sprinkler Distribution Uniformity Impacts On The Spatial Variability Of Evapotranspiration, Daniel Howes, Sean Ellenson, Lucas Hoffmann, Franklin Gaudi

BioResource and Agricultural Engineering

Understanding variable evapotranspiration (ET) throughout a field can help maximize yield on a per-acre basis, as well as assist with proper irrigation scheduling. The results from this study indicate that irrigation system distribution uniformity (DU) has a significant effect on the uniformity of ET during water-stressed periods. The study site involved intensely managed forage (alfalfa and winter grain hay) irrigated by center pivots being supplied with reclaimed water near Palmdale, California. During spring and early summer 2007 the center pivots were operating under deficit irrigation. In 2010, after the installation of reservoirs, water was applied to meet full evapotranspiration (ETc) …

Spatial Clustering Of Physical Activity And Obesity In Relation To Built Environment Factors Among Older Women In Three U.S. States, Kosuke Tamura, Robin C. Puett, Jaime E. Hart, Heather A. Starnes, Francine Laden, Philip J. Troped

Kinesiology and Public Health

Background

Identifying spatial clusters of chronic diseases has been conducted over the past several decades. More recently these approaches have been applied to physical activity and obesity. However, few studies have investigated built environment characteristics in relation to these spatial clusters. This study’s aims were to detect spatial clusters of physical activity and obesity, examine whether the geographic distribution of covariates affects clusters, and compare built environment characteristics inside and outside clusters.

Methods

In 2004, Nurses’ Health Study participants from California, Massachusetts, and Pennsylvania completed survey items on physical activity (N = 22,599) and weight-status (N = 19,448). The spatial …

Cal Poly Rose Float Taking Shape In Pasadena, Public Affairs Office

Press Releases

No abstract provided.

Cal Poly's City & Regional Planning Graduate Program Ranked No. 2 In The Nation, Public Affairs Office

Press Releases

No abstract provided.

Cal Poly Faculty Member Appointed To California Architects Board, Public Affairs Office

Press Releases

No abstract provided.

Cal Poly's Kennedy Library Presents 'How To Be A Futurist' With Bryan Alexander, Public Affairs Office

Press Releases

No abstract provided.

Stratified Turbulence In The Nearshore Coastal Ocean: Dynamics And Evolution In The Presence Of Internal Bores, Ryan K. Walter, Michael E. Squibb, C. Brock Woodson, Jeffrey R. Koseff, Stephen G. Monismith

Physics

High-frequency measurements of stratified turbulence throughout the water column were collected over a 2 week period in the nearshore environment of southern Monterey Bay, CA, using a cabled observatory system and an underwater turbulence flux tower. The tower contained a vertical array of acoustic Doppler velocimeters and fast-response conductivity-temperature sensors, providing a nearly continuous data set of turbulent velocity and density fluctuations and a unique look into the stratified turbulence field. The evolution of various turbulence quantities and direct measurements of the vertical turbulent diffusivity is examined in the presence of nearshore internal bores, both in the near-bed region and …

Cal Poly, Professor Earn High Ranks For Research In Accounting Education, Ethics, Public Affairs Office

Press Releases

No abstract provided.

Cal Poly's Horse Judging Team Earns Honors At National Contest, Public Affairs Office

Press Releases

No abstract provided.

Cal Poly Wins Contract To Help Bring Water To Disadvantaged Communities, Public Affairs Office

Press Releases

No abstract provided.

December 10, 2014 Cal Poly Report, Public Affairs Office

Cal Poly Report

No abstract provided.

Cal Poly Student Takes First Place In National Research Symposium Contest, Public Affairs Office

Press Releases

No abstract provided.

Cal Poly University Art Gallery To Feature Graphic Designer Aaron Draplin Jan. 9- Feb.6, Public Affairs Office

Press Releases

No abstract provided.

Pianist W. Terrence Spiller To Perform Jan 9. Benefit Recital At Cal Poly, Public Affairs Office

Press Releases

No abstract provided.

Cal Poly To Continue Printed Electronics And Functional Imaging Online Courses In January, Public Affairs Office

Press Releases

No abstract provided.

Cal Poly Announces Commitment To Help Expand College Access At White House Event, Public Affairs Office

Press Releases

No abstract provided.

December 3, 2014 Cal Poly Report, Public Affairs Office

Cal Poly Report

No abstract provided.

Cal Poly Center For Sustainability Receives Funding From Miossi Charitable Trust, Public Affairs Office

Press Releases

No abstract provided.

Nsf Grant Will Send Cal Poly Students To International Research Collaboration, Public Affairs Office

Press Releases

No abstract provided.

Cal Poly Fall 2014 Commencement Set For December 13, Public Affairs Office

Press Releases

No abstract provided.

Bayesian Estimation Of Asymmetric Jump-Diffusion Processes, Samuel J. Frame, Cyrus A. Ramezani

Statistics

The hypothesis that asset returns are normally distributed has been widely rejected. The literature has shown that empirical a<>set returns are highly skewed and Ieptokurtic. The affine jump-diffusion (AJD) model improves upon the normal specification by adding a jump component to the price process. Two important extensions proposed by Ramezani and Zeng (1998) and Kou (2002) further improve the AJD specification by having two jump components in the price process, resulting in the asymmetric affine jump-diffusion (AAJD) specification. The AAJD specification allows the probability distribution of the returns to be asymmetrical. That is, the tails of the distribution are …

Angiogenic, Neurotrophic, And Inflammatory System Snps Moderate The Association Between Birth Weight And Adhd Symptom Severity, Taylor F. Smith, Arthur D. Anastopoulos, Melanie E. Garrett, Alejandro Arias-Vasquez, Barbara Franke, Robert D. Oades, Edmund Sonuga-Barke, Philip Asherson, Michael Gill, Jan K. Buitelaar, Joseph A. Sergeant, Scott H. Kollins, Stephen V. Faraone, Allison Ashley-Koch, Image Consortium

Psychology and Child Development

Low birth weight is associated with increased risk for Attention-Deficit/Hyperactivity Disorder (ADHD); however, the etiological underpinnings of this relationship remain unclear. This study investigated if genetic variants in angiogenic, dopaminergic, neurotrophic, kynurenine, and cytokine-related biological pathways moderate the relationship between birth weight and ADHD symptom severity. A total of 398 youth from two multi-site, family-based studies of ADHD were included in the analysis. The sample consisted of 360 ADHD probands, 21 affected siblings, and 17 unaffected siblings. A set of 164 SNPs from 31 candidate genes, representing five biological pathways, were included in our analyses. Birth weight and gestational age …

The Trouble With Tourism, Steven J. Hollenhorst, Susan Houge Mackenzie, David M. Ostergren

Recreation, Parks and Tourism Administration

The hegemonic view of tourism is as a global panacea for struggling peoples, environments and economies (Smith and Brent 2001). This article begins by arguing that increasing worldwide risks from human-induced climate change fundamentally alter the veracity of this prediction claim. As one of the world’s largest industries, tourism is also one of the largest emitters of carbon, primarily from air transport. Far from standing apart from our carbon-dependent economy, tourism is quite profoundly a creation of that economy and cannot be an antidote to the very stuff of which it is made. Further, to the extent that tourism functions …

On The Interaction Of A Racing Car Front Wing And Exposed Wheel, S. Diasinos, G. Doig, T.J. Barber

Aerospace Engineering

A numerical investigation of generic open-wheel racing car wing and wheel geometry has been conducted, using original sub-scale experimental data for validation. It was determined that there are three main interactions that may occur, identifiable by the path that the main and secondary wing vortices take around the wheel. Interaction ‘A’ occurs when the main and secondary wing vortices both travel outboard of the wheel; interaction ‘B’ is obtained when only the main wing vortex passes inboard of the wheel; while interaction ‘C’ sees both wing vortices travel inboard of the wheel. The different interactions are achieved when geometric changes …

Flow Compressibility Effects Around An Open-Wheel Racing Car, J. Keogh, G. Doig, S. Diasinos

Aerospace Engineering

A numerical investigation has been conducted into the influence of flow compressibility effects around an open-wheeled racing car. A geometry was created to comply with 2012 F1 regulations. Incompressible and compressible CFD simulations were compared-firstly with models which maintained Reynolds number as Mach number increased, and secondly allowing Mach number and Reynolds number to increase together as they would on track. Results demonstrated significant changes to predicted aerodynamic performance even below Mach 0·15. While the full car coefficients differed by a few percent, individual components (particularly the rear wheels and the floor/ diffuser area) showed discrepancies of over 10% at …

Agricultural Experiences And Factors Of Undergraduates Who Enroll In A College Of Agriculture, Benjamin G. Swan, Ann M. De Lay

Agricultural Education and Communication

Industry partners and College of Agriculture, Food and Environmental Sciences (CAFES) faculty have observed students entering the college possessed fewer agriculture experiences and skills than their predecessors. They have also lamented the increasing pressure to develop industry-ready students, when the gaps are ever wider between their experience and skills entering college and what are required upon graduation. During the 2011 spring quarter, all CAFES students (N = 3,366) were sent an electronic survey that resulted in 911 responses (27% response rate). Three quarters of the students were female and one third were seniors. Prior to enrolling at the university, 34% …

Modernization Of The Walker River Irrigation District Water Gauges, Stuart Styles, Robert C. Bryan, Kenneth C. Spooner

BioResource and Agricultural Engineering

The Irrigation Training and Research Center (ITRC) and Walker River Irrigation District (WRID) collaborated on WRID’s Water Gauge Improvement Project with support from the Bureau of Reclamation, U.S. Department of Interior in Carson City, Nevada. This paper presents a summary of the proposed plan and implementation for improving water gauges in WRID with strategic engineering recommendations for new hardware and control equipment; water management strategies; flow measurement devices; and integration of a new district-wide SCADA system. Field investigations and engineering analyses were carried out by the ITRC in 2009 to inspect existing WRID infrastructure, to review current operational procedures, and …

Coaching Student Teams: Guiding Students Through Team-Based Learning Experiences, Lindsey M. Higgins

Agribusiness

No abstract provided.

Kennedy Library Update, December 2014, Robert E. Kennedy Library

Library Publications and Administrative Reports

No abstract provided.