- Professor, Department of Geography, Portland State University
Post, G. C., H. Chang and D. Banis. The spatial relationship between patterns of disappeared streams and residential development in Portland, Oregon, USA. Journal of Maps DOI: 10.1080/17445647.2022.2035264. (link )
Stoker, P., H. Chang, B. L. Crow-Miller, E. A. Wentz, G. Jehle and M. R. Bonnette. Building water efficient cities: A comparative analysis of how the built environment influences water use in four western U.S. cities. Journal of the American Planning Association
Pallathadka, A., H. Chang and D. Han. 2023. What explains spatial variations of COVID-19 vaccine hesitancy?: A social-ecological-technological systems approach. Environmental Research: Health 1(1):. DOI: 10.1088/2752-5309/ac8ac2. (link )
McPhearson, P. T., E. M. Cook, M. Berbés-Blázquez, C. Cheng, N. B. Grimm, E. Andersson, O. Barbosa, D. G. Chandler, H. Chang, M. V. Chester, D. L. Childers, S. R. Elser, N. Frantzeskaki, Z. J. Grabowski, P. M. Groffman, R. L. Hale, D. M. Iwaniec, N. Kabisch, C. Kennedy, S. A. Markolf, M. Matsler, L. McPhillips, T. R. Miller, T. A. Munoz-Erickson, E. J. Rosi and T. G. Troxler. 2022. A social-ecological-technological systems framework for urban ecosystem services. One Earth 5(5):505-518. DOI: 10.1016/j.oneear.2022.04.007. (link )
Pallathadka, A., J. Sauer, H. Chang and N. B. Grimm. 2022. Urban flood risk and green infrastructure: Who is exposed to risk and who benefits from investment? A case study of three U.S. cities. Landscape and Urban Planning 223(Jul):104417. DOI: 10.1016/j.landurbplan.2022.104417. (link )
Chang, H., A. Baker, O. Starry and J. Chen. 2021. Seasonal variation in hydrologic performance of ecoroofs of multiple depths– a case study in Portland, Oregon, USA. Urban Water Journal 18(2):128-135. DOI: 10.1080/1573062X.2020.1850806. (link )
Chang, H., S. Eom, Y. Makido and D. Bae. 2021. Land use change, extreme precipitation events, and flood damage in South Korea: a spatial approach. Journal of Extreme Events DOI: 10.1142/S2345737621500019. (link )
Chang, H., Y. Makido and E. Foster. 2021. Effects of land use change, wetland fragmentation, and best management practices on total suspended sediment concentrations in an urbanizing Oregon watershed, USA. Journal of Environmental Management 282(March):111962. DOI: 10.1016/j.jenvman.2021.111962. (link )
Chang, H., A. Pallathadka, J. Sauer, N. Grimm, R. Zimmerman, C. Cheng, D. M. Iwaniec, Y. Kim, R. Lloyd, P. T. McPhearson, B. Rosenzweig, T. Troxler, C. Welty, R. Brenner and P. Herreros-Cantis. 2021. Assessment of urban flood vulnerability using the social-ecological-technological systems framework in six US cities. Sustainable Cities and Society 68(May):102786. DOI: 10.1016/j.scs.2021.102786. (link )
Chang, H., D. J. Yu, S. A. Markolf, C. Hong, S. Eom, W. Song and D. Bae. 2021. Understanding Urban Flood Resilience in the Anthropocene: A Social-Ecological-Technological Systems (SETS) Learning Framework. Annals of the American Association of Geographers 111(3):. DOI: 10.1080/24694452.2020.1850230. (link )
Rosenzweig, B., P. Herreros-Cantis, Y. Kim, A. Cohn, K. Grove, J. Brock, J. Yesuf, P. Mistry, C. Welty, P. T. McPhearson, J. Sauer and H. Chang. 2021. The Value of Urban Flood Modeling. Earth’s Future 9(1):e2020EF001739. DOI: 10.1029/2020EF001739. (link )
Cooley, A. and H. Chang. 2020. Detecting change in precipitation indices using observed (1977–2016) and modeled future climate data in Portland, Oregon, USA. Journal of Water and Climate Change DOI: 10.2166/wcc.2020.043. (link )
Hong, C. and H. Chang. 2020. Residents' perception of flood risk and urban stream restoration using multi‐criteria decision analysis. River Research and Applications 36(10):2078-2088. DOI: 10.1002/rra.3728. (link )
Bae, S. and H. Chang. 2019. Urbanization and floods in the Seoul Metropolitan area of South Korea: What old maps tell us. International Journal of Disaster Risk Reduction 37(101186):. DOI: 10.1016/J.IJDRR.2019.101186.
Baker, A., E. Brenneman, H. Chang, L. McPhillips and M. Matsler. 2019. Spatial analysis of landscape and sociodemographic factors associated with green stormwater infrastructure distribution in Baltimore, Maryland and Portland, Oregon. Science of The Total Environment 664:461-473. DOI: 10.1016/J.SCITOTENV.2019.01.417. (link )
Fahy, B. and H. Chang. 2019. Effects of stormwater green infrastructure on watershed outflow: Does spatial distribution matter?. International Journal of Geospatial and Environmental Research 6(1):Art. 5. (link )
Fahy, B., E. Brenneman, H. Chang and V. Shandas. 2019. Spatial analysis of urban flooding and extreme heat hazard potential in Portland, OR. International Journal of Disaster Risk Reduction 39(Oct):101117. DOI: 10.1016/J.IJDRR.2019.101117. (link )
Michelson, K. and H. Chang. 2019. Spatial characteristics and frequency of citizen-observed pluvial flooding events in relation to storm size in Portland, Oregon. Urban Climate 29:100487. DOI: 10.1016/J.UCLIM.2019.100487. (link )
Rosenzweig, B., B. L. Ruddell, L. McPhillips, R. J. Hobbins, P. T. McPhearson, Z. Cheng, H. Chang and Y. Kim. 2019. Developing knowledge systems for urban resilience to cloudburst rain events. Environmental Science & Policy 99(Sep):150-159. DOI: 10.1016/j.envsci.2019.05.020. (link )
Markolf, S. A., M. V. Chester, D. A. Eisenberg, D. M. Iwaniec, C. I. Davidson, R. Zimmerman, T. R. Miller, B. L. Ruddell and H. Chang. 2018. Interdependent Infrastructure as Linked Social, Ecological, and Technological Systems (SETSs) to Address Lock‐in and Enhance Resilience. Earth's Future 6(12):1638-1659. DOI: 10.1029/2018EF000926. (link )
McPhillips, L., H. Chang, M. V. Chester, Y. Depietri, E. Friedman, N. B. Grimm, J. S. Kominoski, P. T. McPhearson, P. Mendez-Lazaro, E. J. Rosi and J. Shafiei Shiva. 2018. Defining extreme events: A cross-disciplinary review. Earth's Future 6(3):441-455. DOI: 10.1002/2017EF000686. (link )
Rosenzweig, B., L. McPhillips, H. Chang, C. Cheng, C. Welty, M. Matsler, D. M. Iwaniec and C. I. Davidson. 2018. Pluvial flood risk and opportunities for resilience. WIREs 5(6):e1302. DOI: 10.1002/wat2.1302. (link )
Chang, H., M. R. Bonnette, P. Stoker, B. Crow-Miller and E. Wentz. 2017. Determinants of single family residential water use across scales in four western US cities. Science of the Total Environment 596-597(Oct):451-464. DOI: 10.1016/j.scitotenv.2017.03.164. (link )
Cho, S. and H. Chang. 2017. Recent research approaches to urban flood vulnerability, 2006–2016. Natural Hazards 1-17. DOI: 10.1007/s11069-017-2869-4. (link )
Cooley, A. and H. Chang. 2017. Precipitation Intensity Trend Detection using Hourly and Daily Observations in Portland, Oregon. Climate 5(1):10. DOI: 10.3390/cli5010010. (link )
Crow-Miller, B., H. Chang, P. Stoker and E. A. Wentz. 2016. Facilitating collaborative urban water management through university-utility cooperation. Sustainable Cities and Society 27(Nov):475-483. DOI: 10.1016/j.scs.2016.06.006. (link )
Lee, S. J., H. Chang and P. Gober. 2015. Space and Time Dynamics of Urban Water Demand in Portland, Oregon and Phoenix, Arizona. Stochastic Environmental Research and Risk Assessment 29(4):1135-1147. DOI: 10.1007/s00477-014-1015-z. (link )
Shandas, V., R. Lehman, K. L. Larson, J. Bunn and H. Chang. 2015. Stressors and strategies for managing urban water security: Perspectives from the field. Water 7(12):6775-6787. (link )
Gober, P., K. L. Larson, R. Quay, C. Polsky, H. Chang and V. Shandas. 2013. Why land planners and water managers don't talk to one another and why they should!. Society and Natural Resources 26(3):356-364. DOI: 10.1080/08941920.2012.713448. (link )
Larson, K. L., C. Polsky, P. Gober, H. Chang and V. Shandas. 2013. Vulnerability of water systems to the effects of climate change and urbanization: A comparison of Phoenix, Arizona and Portland, Oregon (USA). Environmental Management 52(1):179-195. DOI: 10.1007/s00267-013-0072-2. (link )
Gober, P., A. Middel, A. J. Brazel, S. W. Myint, H. Chang, J. D. Duh and L. House-Peters. 2012. Tradeoffs between water conservation and temperature amelioration in Phoenix and Portland: Implications for urban sustainability. Urban Geography 33(7):1030-1054. (link )
Middel, A., A. J. Brazel, P. Gober, S. W. Myint, H. Chang and J. D. Duh. 2012. Land cover, climate, and the summer surface energy balance in Phoenix, AZ and Portland, OR. International Journal of Climatology 32(13):2020-2032. DOI: 10.1002/joc.2408. (link )
Brenneman, E., A. Baker and H. Chang. 2018. Spatial analysis of green streets in the City of Portland, Oregon. Poster presented at the 16th Annual Urban Ecology & Conservation Symposium, February 5, 2018, Portland, OR. (link )
Cho, S. and H. Chang. 2016. Assessment of urban flood vulnerability using and indicator-based approach -- a case study for Portland, Oregon. Poster presented at the 14th Annual Urban Ecology and Conservation Symposium, 8 February 2016, Portland State University, Portland, Oregon. (link )
Middel, A., A. J. Brazel, P. Gober, S. W. Myint, H. Chang and J. D. Duh. 2011. Impacts of weather variability on turbulent heat fluxes in Phoenix, AZ and Portland, OR. Tempe, AZ. Poster presented at the 12-13 January 2011 CAP LTER 13th Annual Poster Symposium and All Scientist Meeting, Global Institute of Sustainability, Arizona State University. (link )
Grimm, N. B., M. Berbés-Blázquez, H. Chang, E. M. Cook, S. R. Elser, D. M. Iwaniec, P. T. McPhearson, A. Pallathadka, J. Sauer and T. G. Troxler. 2020. A SETS approach to understanding urban ecosystem (E) vulnerability and providing nature-based solutions for urban resilience in cities. Presentation at the Harnessing the Ecological Data Revolution, 2020 ESA Annual Meeting, August 3-6, 20202, Virtual. (link )
Chang, H. 2019. Urban flood resilience across the Pacific: Case studies from Seoul, Tokyo, and Portand. Presentation at the American Water Resources Association Annual Conference, November 3-6, 2019, Salt Lake City, UT.
Matsler, M., L. McPhillips, B. Rosenzweig, P. M. Groffman, S. R. Elser, N. B. Grimm, H. Chang and R. Zimmerman. 2019. Green infrastructure implementation and performance: Lessons learned from nine US and Latin American cities in the Urban Resilience to Extremes Sustainability Research Network (UREx SRN). Presentation at the AGU Fall Meeting, December 9-13, 2019, San Francisco, CA. (link )
Brenneman, E., A. Baker, H. Chang and L. McPhillips. 2018. Biophysical and sociodemographic indicators of green infrastructure distribution within Baltimore, Phoenix, and Portland. Presentation at the 3rd Annual UREx SRN All Hands Meeting, March 19-21, 2018, Arizona State University, Tempe, AZ.
Brenneman, E., B. Fahy, A. Baker, H. Chang, L. McPhillips and J. Voelkel. 2018. Comparing flooding potential to socioeconomic and biophysical characteristics in Portland, OR, Baltimore, MD, and Phoenix, AZ. Presentation at the 3rd Annual UREx SRN All Hands Meeting, Phoenix, AZ.
Chang, H., S. Cho, L. Helaire and S. Talke. 2018. Assessment of urban flood vulnerability to climatic extremes. Presentation at the Annual Meeting of the American Association of Geographers, April 10-14, 2018, New Orleans, LA. (link )
Fahy, B. and H. Chang. 2018. Evaluating distribution of stormwater green infrastructure on watershed outflow. Presentation at the Annual Meeting of the American Association of Geographers, April 1-14, 2018, New Orleans, LA. (link )
Michelson, K. and H. Chang. 2018. Spatial characteristics of urban flooding from 2010-2017 through citizen science in Portland, OR. Presentation at the Annual Meeting of the American Association of Geographers, April 10-14, 2018, New Orleans, LA. (link )
Chang, H. 2017. Climate change and urban flood vulnerability. Presentation at the AAG 2017, April 5-9, 2017, Boston, MA. (link )
Chang, H., S. Cho, H. Duong, L. Helaire, S. Talke and J. Caudill. 2017. A transdisciplinary approach to assessing the vulnerability of urban floods to climate change. Presentation at the International Conference on Climate Change Adaptation on Water, 2017, Jeju, Korea.
Chang, H., S. Cho, H. Duong, L. Helaire and S. Talke. 2017. An integrated approach to assessing urban flood risk in a changing climate. Presentation at the 12th Korea-China-Japan Joint Conference in Geography, August 25-26, 2017, Jeju, Korea. (link )
Chang, H., L. Helaire and S. Talke. 2017. Assessing urban flood risk in a changing climate. Presentation at the International Geographic Congress, Isotomino, Russia.
Chang, H. 2016. Climate change and urban flood risk management. Presentation at the Portland Climate Action Collaborative Symposium, Portland, Oregon.
Chang, H. 2016. Climate change, urban development, and floods: Toward flood resilient cities. Presentation at the Department Seminar, Sejong University, Seoul, Korea.
Chang, H. 2016. Dynamics of the coupled human and water systems in urban water resource management. Presentation at the Department of Geosciences, Oregon State University, Corvallis, Oregon.
Chang, H. 2016. Living with uncertainty: Coevolution of human-water systems in urban streams. Presentation at the 2016 American Association of Geographers Annual Meeting, March 29-April 2, 2016, San Francisco, California.
Chang, H. 2016. Living with water: Changing human-water interactions in the Pacific Northwest streams. Presentation at the Department Seminar, University of Nottingham-Ningbo campus, Ningbo, China.
Chang, H. 2016. Water resources management in a changing climate: From impact assessment to adaptation. Presentation at the Lifelong Learning Lecture Series, Cedar Sinai Park, Portland, Oregon.
Chang, H., D. Hue, L. Helaire and S. Talke. 2016. Urban flood risk management in a changing climate. Presentation at the Association of Pacific Coast Geographers Meeting, October 7, 2016, Portland, OR.
Cooley, A. K. and H. Chang. 2016. Trends in hourly precipitation intensity in Portland, Oregon. Presentation at the 2016 American Association of Geographers Annual Meeting, March 29-April 2, 2016, San Francisco, California.
Gober, P., A. Middel, A. J. Brazel, S. W. Myint, H. Chang, J. D. Duh and L. House-Peters. 2011. Tradeoffs between water conservation and temperature amelioration in Phoenix and Portland: Implications for urban sustainability. Presented April 12, 2011 at the 2011 Annual Meeting of the Association of American Geographers, Seattle, WA.