Publications by authors named "Heejun Chang"

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Watershed management may overcome effects of climate change on stream water quality in the Portland metropolitan area.
Jason Sauer, Heejun Chang

J Environ Manage· September 2025

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Convergence research for sustainable regional systems.
Heejun Chang, Brian Roe, Murat Erkoc, Josiah Heyman, Katherine Foo

iScience· August 2025

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Effects of climate change on stream temperature and salmonid habitats in a Cascades river basin.
Michael Krochta, Kara Anlauf-Dunn, Dave Bugni, Heejun Chang

J Environ Manage· July 2025

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Effects of landscape characteristics, anthropogenic factors, and seasonality on water quality in Portland, Oregon.
Katherine Gelsey, Heejun Chang, Daniel Ramirez

Environ Monit Assess· December 2022

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Evaluation of the Quality of Information Available on the Internet Regarding Chronic Ankle Instability.
Sung-Joon Yoon, Jun-Bum Kim, Ki-Jin Jung, Hee-Jun Chang, Yong-Cheol Hong, Chang-Hwa Hong

Medicina (Kaunas)· September 2022

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Spatial and temporal variations of microplastic concentrations in Portland's freshwater ecosystems.
Rebecca Talbot, Elise Granek, Heejun Chang, Rosemary Wood, Susanne Brander

Sci Total Environ· August 2022

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Microplastics in freshwater: A global review of factors affecting spatial and temporal variations.
Rebecca Talbot, Heejun Chang

Environ Pollut· January 2022

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Using GIS-based spatial analysis to determine urban greenspace accessibility for different racial groups in the backdrop of COVID-19: a case study of four US cities.
Arun Pallathadka, Laxmi Pallathadka, Sneha Rao, Heejun Chang, Dorn Van Dommelen

GeoJournal· November 2021

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Staged Joint Arthrodesis in the Treatment of Severe Septic Ankle Arthritis Sequelae: A Case Report.
Yong-Cheol Hong, Ki-Jin Jung, Hee-Jun Chang, Eui-Dong Yeo, Hong-Seop Lee

Int J Environ Res Public Health· November 2021

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Effects of land use change, wetland fragmentation, and best management practices on total suspended sediment concentrations in an urbanizing Oregon watershed, USA.
Heejun Chang, Yasuyo Makido, Eugene Foster

J Environ Manage· March 2021

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Spatial analysis of landscape and sociodemographic factors associated with green stormwater infrastructure distribution in Baltimore, Maryland and Portland, Oregon.
Ashley Baker, Emma Brenneman, Heejun Chang, Lauren McPhillips, Marissa Matsler

Sci Total Environ· May 2019

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Finding water scarcity amid abundance using human-natural system models.
William K Jaeger, Adell Amos, Daniel P Bigelow, Heejun Chang, David R Conklin

Proc Natl Acad Sci U S A· November 2017

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Determinants of single family residential water use across scales in four western US cities.
Heejun Chang, Matthew Ryan Bonnette, Philip Stoker, Britt Crow-Miller, Elizabeth Wentz

Sci Total Environ· October 2017

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Using spatially explicit indicators to investigate watershed characteristics and stream temperature relationships.
Zbigniew J Grabowski, Eric Watson, Heejun Chang

Sci Total Environ· May 2016

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Local landscape predictors of maximum stream temperature and thermal sensitivity in the Columbia River Basin, USA.
Heejun Chang, Mike Psaris

Sci Total Environ· September 2013

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Vulnerability of water systems to the effects of climate change and urbanization: a comparison of Phoenix, Arizona and Portland, Oregon (USA).
Kelli L Larson, Colin Polsky, Patricia Gober, Heejun Chang, Vivek Shandas

Environ Manage· July 2013

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Effects of land cover, topography, and built structure on seasonal water quality at multiple spatial scales.
Bethany Pratt, Heejun Chang

J Hazard Mater· March 2012

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Valuing ecological systems and services.
Robert Costanza, Ida Kubiszewski, David Ervin, Randy Bluffstone, James Boyd, Heejun Chang

F1000 Biol Rep· November 2011

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Rates of urbanisation and the resiliency of air and water quality.
Jiunn-Der Duh, Vivek Shandas, Heejun Chang, Linda A George

Sci Total Environ· August 2008

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Spatial analysis of water quality trends in the Han River basin, South Korea.
Heejun Chang

Water Res· July 2008

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Multi-scale analysis of oxygen demand trends in an urbanizing Oregon watershed, USA.
Mike Boeder, Heejun Chang

J Environ Manage· June 2008

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