Heejun Chang
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View article: Characterizing wetland thermoregulation using multivariate water temperature patterns and site-level functional indicators
Characterizing wetland thermoregulation using multivariate water temperature patterns and site-level functional indicators Open
Quantifying how wetlands regulate the magnitude, variability, and responsiveness of water temperature is essential to understanding their ecological functions and informing climate-adaptive management. To investigate the mechanisms underly…
View article: Thermal Regimes of Beaver‐Impacted Stream Reaches in the Tualatin River Basin, Oregon, United States
Thermal Regimes of Beaver‐Impacted Stream Reaches in the Tualatin River Basin, Oregon, United States Open
As beavers are increasingly used in stream restoration, interest in their potential to mitigate stream degradation has grown. However, the impacts of beaver dams on stream temperature remain inconsistent across studies, often due to differ…
View article: The First Thirty Years of Green Stormwater Infrastructure in Portland, Oregon
The First Thirty Years of Green Stormwater Infrastructure in Portland, Oregon Open
Over the past 30 years, the City of Portland, Oregon, USA, has emerged as a national leader in green stormwater infrastructure (GSI). The initial impetus for implementing sustainable stormwater infrastructure in Portland stemmed from conce…
View article: Who Bears the Burden? An Assessment of Vulnerability and Resilience to Consecutive Disasters in the Portland Metro Region
Who Bears the Burden? An Assessment of Vulnerability and Resilience to Consecutive Disasters in the Portland Metro Region Open
Climate-related disasters threaten urban areas worldwide, yet gaps remain in understanding how multiple stressors interact to shape resilience. This study examines exposure, vulnerability, and resilience across three consecutive extreme ev…
View article: Convergence Research for Microplastic Pollution at the Watershed Scale
Convergence Research for Microplastic Pollution at the Watershed Scale Open
Microplastics are found in Earth’s atmosphere, lithosphere, hydrosphere, pedosphere, and ecosphere. While there is a growing interest and need to solve this grand challenge in both the academic and policy realms, few have engaged with acad…
View article: Case study of flood risk and vulnerability in the city of Atlanta – A social, economic, technical, and institutional perspective
Case study of flood risk and vulnerability in the city of Atlanta – A social, economic, technical, and institutional perspective Open
The negative impacts of natural hazards on communities at all scales have been increasing. Floods comprise one such natural hazard that has emerged as one of the most destructive in the US and worldwide. While a lot of damage is estimated …
View article: Predicting Post-Wildfire Stream Temperature and Turbidity: A Machine Learning Approach in Western U.S. Watersheds
Predicting Post-Wildfire Stream Temperature and Turbidity: A Machine Learning Approach in Western U.S. Watersheds Open
Wildfires significantly impact water quality in the Western United States, posing challenges for water resource management. However, limited research quantifies post-wildfire stream temperature and turbidity changes across diverse climatic…
View article: Disaster vulnerability hotspots in the Portland metro-region: Converging indices for equitable resilience
Disaster vulnerability hotspots in the Portland metro-region: Converging indices for equitable resilience Open
As climate-related extreme events intensify across the globe, governments, practitioners, and communities have focused on reducing vulnerability and building resilience. However, debates persist about the validity, differences, and similar…
View article: Advancing Sustainability: Development of an ESG Evaluation Framework for Taiwan's Science Parks
Advancing Sustainability: Development of an ESG Evaluation Framework for Taiwan's Science Parks Open
Research on Taiwan's science parks has frequently concentrated on isolated aspects, often neglecting the interplay between diverse indicators and the multifaceted dynamics influencing the development of these parks. Additionally, existing …
View article: Scales of Connectivity within Stream Temperature Networks of the Clackamas River Basin, Oregon
Scales of Connectivity within Stream Temperature Networks of the Clackamas River Basin, Oregon Open
Water quality varies along the stream network; thus, considering the directional, dendritic nature of stream networks with surrounding landscape variables is essential in explaining spatial variations of water quality. Using a spatially ex…
View article: Climate Change, Urbanization, and Water Resources
Climate Change, Urbanization, and Water Resources Open
This book integrates various water issues compares and contrasts different potential climate impacts and management strategies in a holistic way.
View article: People, place, and planet: Global review of use-inspired research on water-related ecosystem services in urban wetlands
People, place, and planet: Global review of use-inspired research on water-related ecosystem services in urban wetlands Open
With climate change and urbanization, city planners and developers have increasing interest and practice in constructing, restoring, or incorporating wetlands as forms of green infrastructure to maintain water-related ecosystem services (W…
View article: Author comment: People, place, and planet: Global review of use-inspired research on water-related ecosystem services in urban wetlands — R1/PR5
Author comment: People, place, and planet: Global review of use-inspired research on water-related ecosystem services in urban wetlands — R1/PR5 Open
With climate change and urbanization, city planners and developers have increasing interest and practice in constructing, restoring, or incorporating wetlands as forms of green infrastructure to maintain water-related ecosystem services (W…
View article: Relating social, ecological, and technological vulnerability to future flood exposure at two spatial scales in four U.S. cities
Relating social, ecological, and technological vulnerability to future flood exposure at two spatial scales in four U.S. cities Open
© This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/. Deposited by shareyourpaper.org and openaccessbutton.org. We've taken reasonable steps to ensure this content…
View article: Spatial analysis of streamflow trends in burned watersheds across the western contiguous United States
Spatial analysis of streamflow trends in burned watersheds across the western contiguous United States Open
Despite increasing magnitude and frequency of wildfire, understanding hydrological processes contributing to changes in streamflow is not well examined for the entire western contiguous United States (WCONUS). This study provides insight i…
View article: Author comment: People, place, and planet: Global review of use-inspired research on water-related ecosystem services in urban wetlands — R0/PR1
Author comment: People, place, and planet: Global review of use-inspired research on water-related ecosystem services in urban wetlands — R0/PR1 Open
With climate change and urbanization, city planners and developers have increasing interest and practice in constructing, restoring, or incorporating wetlands as forms of green infrastructure to maintain water-related ecosystem services (W…
View article: Effects of Antecedent Precipitation Amount and COVID-19 Lockdown on Water Quality along an Urban Gradient
Effects of Antecedent Precipitation Amount and COVID-19 Lockdown on Water Quality along an Urban Gradient Open
Water quality is affected by multiple spatial and temporal factors, including the surrounding land characteristics, human activities, and antecedent precipitation amounts. However, identifying the relationships between water quality and sp…
View article: Understanding perspectives on climate hazards, water management, and adaptive transformation in an exurban community
Understanding perspectives on climate hazards, water management, and adaptive transformation in an exurban community Open
Climate change and exurban development pose challenges for water resources. This paper examines the perceptions and adaptive responses to those stressors among stakeholders engaging in exurban water management. Drawing on 42 interviews wit…
View article: Event Scale Analysis of Streamflow Response to Wildfire in Oregon, 2020
Event Scale Analysis of Streamflow Response to Wildfire in Oregon, 2020 Open
Wildfire increases the magnitude of runoff in catchments, leading to the degradation of ecosystems, risk to infrastructure, and loss of life. The Labor Day Fires of 2020 provided an opportunity to compare multiple large and severe wildfire…
View article: What explains spatial variations of COVID-19 vaccine hesitancy?: a social-ecological-technological systems approach
What explains spatial variations of COVID-19 vaccine hesitancy?: a social-ecological-technological systems approach Open
While COVID-19 vaccines have been available since December 2020 and efforts have been made to vaccinate the maximum population, a large number of people are continuing to be hesitant, prolonging the pandemic in the US. While most previous …