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Articles 1 - 16 of 16
Full-Text Articles in Urban Studies and Planning
Spatial Configuration And Time Of Day Impact The Magnitude Of Urban Tree Canopy Cooling, Miguel Alonzo, Matthew Baker, Yuemeng Gao, Vivek Shandas
Spatial Configuration And Time Of Day Impact The Magnitude Of Urban Tree Canopy Cooling, Miguel Alonzo, Matthew Baker, Yuemeng Gao, Vivek Shandas
Urban Studies and Planning Faculty Publications and Presentations
Tree cover is generally associated with cooler air temperatures in urban environments but the roles of canopy configuration, spatial context, and time of day are not well understood. The ability to examine spatiotemporal relationships between trees and urban climate has been hindered by lack of appropriate air temperature data and, perhaps, by overreliance on a single ‘tree canopy’ class, obscuring the mechanisms by which canopy cools. Here, we use >70 000 air temperature measurements collected by car throughout Washington, DC, USA in predawn (pd), afternoon (aft), and evening (eve) campaigns on a hot summer day. We subdivided tree canopy into …
Pedestrian Pedagogy Of Place: Nurturing An Ecological Consciousness Through Slow Explorations Of The Public Realm, Kevin M. Pozzi
Pedestrian Pedagogy Of Place: Nurturing An Ecological Consciousness Through Slow Explorations Of The Public Realm, Kevin M. Pozzi
Leadership for Sustainability Education Comprehensive Papers
As increasing institutional paralysis and polarization demonstrate, citizens are not engaged or motivated by ecological challenges because they struggle to identify with our catastrophic relationship to nature in this urban, anthropocentric, and climactically-fraught modern era. Rather than focus solely on natural areas as a pathway to ecological consciousness and action, educators can inspire citizens through a “Pedestrian Pedagogy of Place” that brings wonder and enchantment into our urban public realm. Using the principles of sustainability education and place-based education as a framework, this pedagogy recognizes the sidewalk and pedestrian experience as a shared classroom through sensory, awareness-based learning modalities.
Stacking Functions: Identifying Motivational Frames Guiding Urban Agriculture Organizations And Businesses In The United States And Canada, Nathan Mcclintock, Michael Simpson
Stacking Functions: Identifying Motivational Frames Guiding Urban Agriculture Organizations And Businesses In The United States And Canada, Nathan Mcclintock, Michael Simpson
Urban Studies and Planning Faculty Publications and Presentations
While a growing body of scholarship identifies urban agriculture's broad suite of benefits and drivers, it remains unclear how motivations to engage in urban agriculture (UA) interrelate or how they differ across cities and types of organizations. In this paper, we draw on survey responses collected from more than 250 UA organizations and businesses from 84 cities across the United States and Canada. Synthesizing the results of our quantitative analysis of responses (including principal components analysis), qualitative analysis of textual data excerpted from open-ended responses, and a review of existing literature, we describe six motivational frames that appear to guide …
Revisiting Critical Gis, Jim Thatcher, Luke Bergmann, Britta Ricker, Reuben Rose-Redwood, Daniel O'Sullivan, Trevor J. Barnes, Luke R. Barnesmoore, Laura Beltz Imaoka, Ryan Burns, Jonathan Cinnamon, Craig M. Dalton, Clinton Davis, Stuart Dunn, Francis Harvey, Jin-Kyu Jung, Elen Kersten, Ladona Knigge, Nick Lally, Wen Lin, Dillon Mahmoudi, Michael Martin, Will Payne, Amir Sheikh, Taylor Shelton, Eric Sheppard, Chris W. Strother, Alexander Tarr, Matthew W. Wilson, Jason C. Young
Revisiting Critical Gis, Jim Thatcher, Luke Bergmann, Britta Ricker, Reuben Rose-Redwood, Daniel O'Sullivan, Trevor J. Barnes, Luke R. Barnesmoore, Laura Beltz Imaoka, Ryan Burns, Jonathan Cinnamon, Craig M. Dalton, Clinton Davis, Stuart Dunn, Francis Harvey, Jin-Kyu Jung, Elen Kersten, Ladona Knigge, Nick Lally, Wen Lin, Dillon Mahmoudi, Michael Martin, Will Payne, Amir Sheikh, Taylor Shelton, Eric Sheppard, Chris W. Strother, Alexander Tarr, Matthew W. Wilson, Jason C. Young
Urban Studies and Planning Faculty Publications and Presentations
The article looks into the critical geographic information science (GIS) in approaching questions both emerging and enduring around the intersection of the spatial and the digital. It offers trading zones for discussion of issues, for building alliances and interrogating tensions, and for a constant dialectical process of critique and renewal. One tension running through critical GIS is the contradictory role it has played in addressing questions of social justice.
Delivering Green Streets: An Exploration Of Changing Perceptions And Behaviours Over Time Around Bioswales In Portland, Oregon, Glyn Everett, Jessica Lamond, Anita T. Morzillo, Annie Marissa Matsler, Faith Ka Shun Chan
Delivering Green Streets: An Exploration Of Changing Perceptions And Behaviours Over Time Around Bioswales In Portland, Oregon, Glyn Everett, Jessica Lamond, Anita T. Morzillo, Annie Marissa Matsler, Faith Ka Shun Chan
Urban Studies and Planning Faculty Publications and Presentations
Green Infrastructure (GI) is an increasingly popular means of dealing with flooding and water quality issues worldwide. This study examines public perceptions of, and behaviour around, bioswales, which are a popular GI facility in the United States. Bioswales are highly visible interventions requiring support from residents and policy-makers to be implemented and maintained appropriately. To understand how the residents’ perceptions and attitudes might develop over time, we interviewed residents of Portland, Oregon, living near bioswales installed 1–2, 4–5 and 8–9 years ago, to determine awareness, understanding, and opinions about the devices. We found no consistent patterns across time periods, but …
A Critical Physical Geography Of Urban Soil Contamination, Nathan Mcclintock
A Critical Physical Geography Of Urban Soil Contamination, Nathan Mcclintock
Urban Studies and Planning Faculty Publications and Presentations
Anthropogenic lead (Pb) is widespread in urban soils given its widespread deposition over the course of the 19th and 20th centuries via a range of point- and non-point sources, including industrial waste and pollution, leaded paint, and automobile exhaust. While soil scientists and urban ecologists have documented soil Pb contamination in cities around the world, such analyses rarely move beyond proximal mechanisms to focus on more distal factors, notably the social processes mediating Pb accumulation in particular places. In this paper, I articulate a critical physical geography of urban soil Pb contamination that considers the dialectical coproduction of soil and …
Overcoming Uncertainty And Barriers To Adoption Of Blue-Green Infrastructure For Urban Flood Risk Management, Colin R. Thorne, E. C. Lawson, Connie P. Ozawa, Samantha Hamlin, Leonard A. Smith
Overcoming Uncertainty And Barriers To Adoption Of Blue-Green Infrastructure For Urban Flood Risk Management, Colin R. Thorne, E. C. Lawson, Connie P. Ozawa, Samantha Hamlin, Leonard A. Smith
Urban Studies and Planning Faculty Publications and Presentations
Blue-Green Infrastructure (BGI) and Sustainable Drainage Systems (SuDS) are increasingly recognised as vital components of urban flood risk management. However, uncertainty regarding their hydrologic performance and lack of confidence concerning their public acceptability create concerns and challenges that limit their widespread adoption. This paper investigates barriers to implementation of BGI in Portland, Oregon, using the Relevant Dominant Uncertainty (RDU) approach. Two types of RDU are identified: scientific RDUs related to physical processes that affect infrastructure performance and service provision, and socio-political RDUs that reflect a lack of confidence in socio-political structures and public preferences for BGI. We find that socio-political …
Development Of Future Land Cover Change Scenarios In The Metropolitan Fringe, Oregon, U.S., With Stakeholder Involvement, Heejun Chang, Roberrt W. Hoyer
Development Of Future Land Cover Change Scenarios In The Metropolitan Fringe, Oregon, U.S., With Stakeholder Involvement, Heejun Chang, Roberrt W. Hoyer
Geography Faculty Publications and Presentations
We describe a future land cover scenario construction process developed under consultation with a group of stakeholders from our study area. We developed a simple geographic information system (GIS) method to modify a land cover dataset and then used qualitative data extracted from the stakeholder storyline to modify it. These identified variables related to our study area’s land use regulation system as the major driver in the placement of new urban growth on the landscape; and the accommodation of new population as the determinant of its growth rate. The outcome was a series of three scenario maps depicting a gradient …
Future Flooding Impacts On Transportation Infrastructure And Traffic Patterns Resulting From Climate Change, Heejun Chang, Martin Lafrenz, Il-Won Jung, Miguel A. Figliozzi, Rolando Melgoza, David Ruelas, Deena Platman, Cindy Pederson
Future Flooding Impacts On Transportation Infrastructure And Traffic Patterns Resulting From Climate Change, Heejun Chang, Martin Lafrenz, Il-Won Jung, Miguel A. Figliozzi, Rolando Melgoza, David Ruelas, Deena Platman, Cindy Pederson
Geography Faculty Publications and Presentations
This study investigated potential impacts of climate change on travel disruption resulting from road closures in two urban watersheds in the Portland metropolitan area. We used ensemble climate change scenarios, a hydrologic model, stream channel survey, a hydraulic model, and a travel forecast model to develop an integrated impact assessment method. High-resolution climate change scenarios are based on the combinations of two emission scenarios and eight general circulation models. The Precipitation-Runoff Modeling System was calibrated and validated for the period 1988-2006, and simulated for determining the probability of floods from 2020-2049. We surveyed stream cross sections at five road crossings …
The American Community Survey And The 2010 Census, Robert Lycan, Charles Rynerson
The American Community Survey And The 2010 Census, Robert Lycan, Charles Rynerson
Publications, Reports and Presentations
A presentation focusing on the 2010 Census redistricting data, the American Community Survey (ACS), analysis and use of census data. Describes the differences between the ACS and the census, and explains where and how this information may be accessed. The presentation also discusses imputation errors present in the census.
Building And Maintaining A Statewide Transportation Framework, Kenneth Dueker, Paul Bender
Building And Maintaining A Statewide Transportation Framework, Kenneth Dueker, Paul Bender
Center for Urban Studies Publications and Reports
Creating and maintaining up-to-date sharable Geographic Information SystemsTransportation (GIS-T) data is challenging. Many states are working on Transportation Framework efforts to build a complete, consistent, and current transportation data layer in conjunction with the NSDI and Geospatial One-Stop efforts. This paper summarizes an effort that systematically re-examined transportation data sharing issues as part of the development of a Transportation Framework for the State of Washington. Business needs were assessed in terms of spatial and temporal accuracy needs of stakeholders and users of a state-wide Transportation Framework. A conceptual model was developed for a Transportation Framework with emphasis on data flows …
Vanport Interpretive Signage Project, Portland State University
Vanport Interpretive Signage Project, Portland State University
Asset Mapping: Community Geography Project
Students participating in two senior capstone courses (spring and summer, 1999) did historical research, the conceptualization, and graphic design of four Vanport interpretive signs that were to be located at the historic site of Vanport at today’s Heron Lakes Golf Course.
Geographic Information Systems: Research Issues, Kenneth Dueker
Geographic Information Systems: Research Issues, Kenneth Dueker
Center for Urban Studies Publications and Reports
GIS research has evolved by trial and error. We need to think more systematically about GIS research. New technology and societal needs are important determinants of issues that govern GIS research strategies. URISA has a stake in fostering GIS research, particularly research that is appliications driven.
Modeling Location For Cadastral Maps Using An Object-Oriented Computer Language, Daniel Kjerne
Modeling Location For Cadastral Maps Using An Object-Oriented Computer Language, Daniel Kjerne
Center for Urban Studies Publications and Reports
The challenge to designers of multipurpose computer-aided land information systems is to capture enough of the "deep structure" of the problem domain to enable a system to answer user questions and requests in a satisfactory way. Criteria defining "satisfactory" in each case must include considerations of accuracy, completeness, timeliness, and cost. These considerations, when applied to the location in space of parcel boundaries and property corners, present unusual difficulties. This is in large measure due to the fact that important elements of the field measurement process, and the determination of location based on what are essentially logical {legal) abstractions, are …
Report On Feasibility Of A Geographic Information System For The Central City Citizen Planning Committees, Kenneth Dueker, George Mason
Report On Feasibility Of A Geographic Information System For The Central City Citizen Planning Committees, Kenneth Dueker, George Mason
Center for Urban Studies Publications and Reports
In September 1984 PSU was contracted to demonstrate the utility of an interactive graphic database system. A project was done using LANDTRAK* to determine which records from the tax roll were inside the Central City Planning Area. This information provides a starting point for o parcel based information system for the Central City Planning Project. This report consists of a design for a geographic information system for the Central City Planning Area that may serve as a prototype for a broader geographic information system for the City.
"The Urban Enigma: America's Urban Alternatives", Christopher L. Salter
"The Urban Enigma: America's Urban Alternatives", Christopher L. Salter
Special Collections: Oregon Public Speakers
Presented with Brown, Harrison Scott, "Energy Resources."