• Real-time Hybrid Experimental-numerical Simulation of Bridge Infrastructure Subject to Cascading Earthquake-tsunami Hazards 

  Simpson, Barbara (2022)

  While real-time hybrid simulation has been utilized for structures subjected to seismic events for decades, its use in fluid-structure interaction problems is still a novel endeavor. Gathering data for cascading seismic ...

• Mt. Bachelor Observatory data for 2020 

  Jaffe, Daniel (2022-05-18)

  Mt. Bachelor Observatory final atmospheric data (v1) for Year 2020.

• gnss-ir derived accumulation history at the GNSS sites LTHW, UTHW, and KHLR maintained by unavco and the polenet team. 

  Hoffman, Andrew; Christianson, Knut (2022-05-17)

  Accumulation time series were determined using GNSS interferometric reflectometry and MCMC inverse methods. Sites include KHLR, LTHW, and UTHW long-term GNSS stations on the Thwaites and Kohler glaciers. Included are the ...

• Projecting Future High Flows on King County Rivers: Phase 2 Results 

  Mauger, G. S.; Won, J. S. (2022-05-08)

  CIG scientists developed estimates of future flooding on the Green, Snoqualmie, and South Fork Skykomish rivers. The aim of this study is to provide King County decision makers with relevant, specific data that will allow ...

• Projected Changes in Streamflow and Water Temperature in Chico Creek, Kitsap County 

  Mauger, G. S.; Won, J. S.; Cristea, N. (2022-05-08)

  The purpose of this study was to provide projections of future streamflows and water temperatures for use in assessing the impacts of climate change on salmonids in the Chico Creek Watershed. This information is intended ...

• Climate Change & Flooding in Snohomish County: New Dynamically-Downscaled Hydrologic Model Projections 

  Mauger, G. S.; Robinson, J.; Mitchell, R. J.; Won, J.; Cristea, N. (2022-05-08)

  We produced new projections of future streamflow, with a particular emphasis on flooding, for the Snohomish and Stillaguamish Rivers. Our results show that peak flows will increase in the future, with increases ranging ...

• UAS IMAGE-BASED POINT CLOUDS TO 3D BRIM: 3D AS-IS BRIDGE MODEL GENERATION 

  Turkan, Yelda; Zu, Yiye (2022)

  U.S. economic growth, as well as the mobility of people and goods across the country, are largely dependent on the health of the country’s transportation systems. Unfortunately, the U.S. infrastructure is aging and has ...

• Coding Manual for: Modeling Child-Nature Interaction in a Forest Preschool 

  Weiss, Thea; Kahn, Peter H, Jr.; Lam, Ling-Wai; Koch, Taylor; Carrington, Kayla; Ling, Honson; Kohring, Peter Kai; Ho, Cassie; Lev, Elizabeth (University of Washington The Human Interaction with Nature and Technological Systems Laboratory Department of Psychology & University of Washington School of Environmental and Forest Sciences, 2022-05-08)

  There is increasing evidence that interaction with nature provides substantial benefits to the mental and physical development of children. While children’s time spent outdoors has declined substantially in recent decades, ...

• The social, cultural & technological impacts of the Covid-19 pandemic in family farming: the case of Washington State 

  Centeno, Matias; Garrido, Maria (Technology & Social Change Group, 2022-04-30)

  The COVID-19 pandemic has accelerated transformations that we were expecting to happen in decades. The so-called "new normal" gave way to a covidianity characterized by structural instability affecting daily life, the ...

• Algebraic Skeleton Transform: A symbolic computation challenge 

  Storti, Duane (2022-05-04)

  We introduce an algebraic formulation for the shape skeleton transform (also known as the medial axis transform) and present a concrete low-degree example. While we can now construct an algorithmic approach and provide a ...

• A CONNECTED-VEHICLE TRAFFIC SIGNAL SYSTEM MODELING PLATFORM 

  Heckendorn, Robert (2022)

  Traffic in the cities of the future will be managed by sophisticated signaling systems working in conjunction with network-connected vehicles that share a wide variety of data. A common configuration for information flow ...

• A HYBRID PLATFORM FOR CONTEXT-AWARE V2X COMMUNICATIONS 

  Hefeida, Mohamed; Sorour, Sameh (2022)

  This report presents a new paradigm for Mobile Edge Learning (“MEL”) that enables the implementation of realistic distributed machine learning (DML) tasks on wireless edge nodes while taking into consideration heterogeneous ...

• MICROMOBILITY PROMISES AND CHALLENGES IN THE PACIFIC NORTHWEST 

  Wang, Haizhong; Hurwitz, David; Belz, Nathan; Chen, Chen; Cadell, Chand (2022)

  This study used a questionnaire survey method to understand how people use micromobility and the opportunities and challenges associated with its adoption in the Pacific Northwest (Alaska, Oregon, Washington, and Idaho). ...

• Dataset for: Seasonal patterns of mixing and arsenic distribution in a shallow urban lake 

  Fung, Samantha; Horner-Devine, Alexander; Neumann, Rebecca; Hull, Erin; Burkart, Kenneth; Gawel, James (2022)

  Arsenic, a neurotoxin and carcinogen, is a legacy contaminant in the sediments of many urban lakes and poses health risks to aquatic ecosystems and lake users. Arsenic uptake into the aquatic food web is enhanced in shallow, ...

• Developing an Embodied Carbon Policy Reduction Calculator - Quantifying the embodied emissions reduction potentials of city policies 

  Benke, Brad; Lewis, Meghan; Carlisle, Stephanie; Huang, Monica; Simonen, Kate (Carbon Leadership Forum, 2022-04)

  In this study, four prototype embodied carbon policy calculators were developed and tested on three different C40 pilot cities including New York City, Portland, and Austin. The intent of the study was to prove the ...

• Travel Behavior Modeling and Emerging Mobility Technologies - Annual Report from the University of Washington To Argonne National Laboratory 

  Tu, Yuanjie (Tukey); Jabbari, Parastoo; Khaloei, Moein; MacKenzie, Don (2021-09-09)

  This report presents work completed at the University of Washington in 2020-21 under contracts with Argonne National Laboratory. Specifically, it includes work completed in the fourth year of the UW’s efforts on the US-China ...

• Highly Sensitive Nonlinear Identification to Track Early Fatigue Signs in Flexible Structures 

  Habtour, Ed M; Di Maio, Dario; Masmeijer, Thijs; Gonzalez, Laura Cordova; Tinga, Tiedo (Journal of Nondestructive Evaluation, Diagnostics and Prognostics of Engineering Systems, 2022-05)

  This study describes a physics-based and data-driven nonlinear system identification (NSI) approach for detecting early fatigue damage due to vibratory loads. The approach also allows for tracking the evolution of damage ...

• Damage precursor detection for structures subjected to rotational base vibration 

  Habtour, Ed M; Cole, Daniel P; Stanton, Samuel C; Sridharan, Raman; Dasgupta, Abhijit (International Journal of Non-Linear Mechanics, 2016-03-04)

  This paper presents a nonlinear dynamic methodology for monitoring precursors of fatigue damage in metallic structures under variable rotational base excitation. The methodology accounts for important nonlinearities due ...

• Quantifying Information without Entropy: Identifying Intermittent Disturbances in Dynamical Systems 

  Montoya, Angela; Habtour, Ed M; Moreu, Fernando (Entropy, 2020-10-23)

  A system’s response to disturbances in an internal or external driving signal can be characterized as performing an implicit computation, where the dynamics of the system are a manifestation of its new state holding some ...

• Structural state awareness through integration of global dynamic and local material behavior 

  Habtour, Ed M; Cole, Daniel P; Kube, Christopher M; Henry, Todd C; Haynes, Robert A; Gardea, Frank; Sano, Tomoko; Tinga, Tiedo (2019)

  Structural health monitoring and nondestructive inspection techniques typically assess the lifecycle and reliability of high- value aerospace, mechanical, and civil systems. Maintenance and inspection intervals are typically ...

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