News

Publications - Presentations - Grants - In the Media 

 

Spring Newsletter (.pdf)

Fall Newsletter (.pdf)
 

PUBLICATIONS

Andrew Martin contributed as a co-author to a study examining the accuracy of forecasts of the rain-snow transition elevation over California, a critical piece of information used by water managers in planning operations.

Andrew Martin and a team of scientists used NASAs Alpha Jet aircraft to study notoriously difficult-to-observe coastal barrier jets and their impact on rainfall and was published in the Journal of Hydrometeorology

Alida Cantor published a new article, "Hydrosocial hinterlands: An urban political ecology of Southern California’s hydrosocial territory" in Environment and Planning E: Nature and Space.

Andrew Martin joined first author Reuben Demirdjian, a PhD candidate and mentee, and other co-authors to describe the force balance in the atmospheric river low level jet, a feature known to influence heavy precipitation on the US West Coast.

Alida Cantor published "Legal geographies and political ecologies of water allocation in Maui, Hawai‘i." Geoforum (2020). https://doi.org/10.1016/j.geoforum.2020.02.014

Geography department MS alum Dmitri Kalashnikov published a paper with Geography colleagues Paul Loikith and Arielle Catalano on the weather patterns associated with lightning across the Western United States. The work is part of a NASA project in collaboration with researchers at the Jet Propulsion Laboratory.

Heejun Chang, Geography faculty, Elise Granek, Environmental Science and Management faculty, David Ervin, Environmental Science and Management and Economics emeritus faculty, Alan Yeakley, Environmental Science and Management affiliated faculty, Veronica Dujon, Sociology faculty, and Vivek Shandas, Urban Studies and Planning faculty authored a paper titled "A community-engaged approach to transdisciplinary doctoral training in urban ecosystem services" published in Sustainability Science". 

PSU Geography Master's program alum Christina Aragon and Assistant Professor Paul Loikith published an article in the International Journal of Climatology on the large-scale weather patterns associated with high intensity rainfall over Portland.

Heejun Chang, Geography Faculty, and Janardan Mainali, EES doctoral student published a manuscript titled " Putting space into modeling landscape and water quality relationships in the Han River basin, South Korea" published in Computers, Environment, and Urban Systems. The article is available at https://authors.elsevier.com/a/1aUxWjFQgkdsi

Alida Cantor published an article on innovation and regulation in the wastewater treatment sector in the Journal of Environmental Management, with co-authors from UC Berkeley.

Andrew Martin and co-authors published a paper titled "Rapid Cyclogenesis from a Mesoscale Frontal Wave on an Atmospheric River: Impacts on Forecast Skill and Predictability during Atmospheric River Landfall", published in the Journal of Hydrometeorology. The study investigates how interacting weather phenomena led to uncertain forecasts of flooding. doi:10.1175/JHM-D-18-0239.1

Idowu Ajibade, Geography Faculty, authored Planned Retreat in Global South Megacities: disentangling policy, practice, and environmental justice published in Climatic Change 
 

Geography professor Paul Loikith had a paper entitled "Non-Gaussian Cold-Side Temperature Distribution Tails and Associated Synoptic Meteorology". 

Geography M.S. alum Judah Detzer had his thesis work accepted for publication in the International Journal of Climatology. The article is entitled "Characterizing Monthly Temperature Variability States and Associated Meteorology Across Southern South America." Detzer, J, P. C. Loikith, C. R. Mechoso, A. Barkhordarian, and H. Lee, Characterizing Monthly Temperature Variability States and Associated Meteorology Across Southern South America. Int. J. Climatol., DOI: 10.1002/joc.6224.

Paul Loikith is an author on a paper recently accepted for publication in the journal Climate Dynamics. The paper it entitled "Evaluation of CMIP5 Ability to Reproduce 20th Century Regional Trends in Surface Air Temperature and Precipitation over CONUS". Lee, J., H. Lee, K. Kunkel, P. C. Loikith, and D. Waliser, 2019: Evaluation of CMIP5 Ability to Reproduce 20th Century Regional Trends in Surface Air Temperature and Precipitation over CONUS. Clim. Dyn., DOI 10.1007/s00382-019-04875-1.

Andres Holz and grad student Kyla Zaret co-authored a new piece on the impact of climate change-mediated increased in wildfire in temperate rainforests in the Americas. Buma, B. , Batllori, E. , Bisbing, S. , Holz, A. , Saunders, S. C., Bidlack, A. L., Creutzburg, M. K., DellaSala, D. A., Gregovich, D. , Hennon, P. , Krapek, J. , Moritz, M. A. and Zaret, K. (2019), Emergent freeze and fire disturbance dynamics in temperate rainforests. Austral Ecology. doi:10.1111/aec.12751

Andres Holz co-authored a new paper on novel insights to ecological succession from lessons learned at Mt St Helens.  Chang, C., Halpern, C.B., Antos, J.A., Avolio, M.L., Biswas, A., Cook, J.E., del Moral, R., Fischer, D.G., Holz, A., Pabst, R.J., Swanson, M.E., and Zobel, D.B. Testing conceptual models of early plant succession across a disturbance gradient. J Ecol. 2019 2019;107:517–530. https://doi.org/10.1111/1365-2745.13120

Dr. Andrew Martin and co-authors have published a study investigating the impact of ice nucleating particles (INPs) on the clouds in a west-coast atmospheric river (AR). Atwood, S. A., Kreidenweis, S. M., DeMott, P. J., Petters, M. D., Cornwell, G. C., Martin, A. C., and Moore, K. A.: Classification of aerosol population type and cloud condensation nuclei properties in a coastal California littoral environment using an unsupervised cluster model, Atmos. Chem. Phys., 19, 6931-6947, 2019.

Heejun Chang, Geography Faculty, coauthored a paper titled "Urbanization and Floods in the Seoul Metropolitan Area of South Korea: What Old Maps Tell Us" published in International Journal of Disaster Risk Reduction.

Loikith, P. C., L. Albertani-Pampuch, E. Slinskey, J. Detzer, C. R. Mechoso, and A. Barkhordarian: A Climatology of Daily Synoptic Circulation Patterns and Associated Surface Meteorology over Southern South America. Clim. Dyn., DOI:10.1007/s00382-019-04768-3.

Heejun Chang, Geography Faculty, Benjamin Fahy, Emma Brenneman, Geography Graduate Students, published a paper titled "Spatial analysis of urban floods and extreme heat potential in Portland, OR published in International Journal of Disaster Risk Reduction.

Idowu Ajibade, Geography faculty, co-authored an article titled "Planning principles and assessment of transformational adaptation: towards a refined ethical approach". published in Climate and Development

Chang-yu Hong and Heejun Chang, Geography faculty has a paper titled "Comparing the functional recognition of aesthetics, hydrology, and quality in urban stream restoration through the framework of environmental perception" accepted for publication in River Reserach and Applications

Alida Cantor coauthored a paper which considers the trajectory of the (partial) integration of science, law, and resource management policy. Owen, Dave; Cantor, Alida; Green Nylen, Nell; Harter, Thomas; and Kiparsky, Michael. 2019. "California groundwater management, science-policy interfaces, and the legacies of artificial legal distinctions." Environmental Research Letters. 

Heejun Chang, Geography Faculty, coauthored a paper titled "Dreams and Migration in South Korea’s Border Region: Landscape Change and Environmental Impacts" published in Annals of the American Association of Geographers.

Heejun Chang, Geography Faculty, Ashley Baker and Emma Brenneman, Geography graduate students published a paper titled Spatial Analysis of Landscape and Sociodemographic Factors Associated with Green Stormwater Infrastructure Distribution in Baltimore, Maryland and Portland, Oregon published in Science of the Total Environment.

Domke, G., C. A. Williams, R. Birdsey, J. Coulston, A. Finzi, C. Gough, B. Haight, J. Hicke, M. Janowiak, B. de Jong, W. A. Kurz, M. Lucash, S. Ogle, M. Olguín-Álvarez, Y. Pan, M. Skutsch, C. Smyth, C. Swanston, P. Templer, D. Wear, and C. W. Woodall, 2018: Chapter 9: Forests. In Second State of the Carbon Cycle Report (SOCCR2): A Sustained Assessment Report. [Cavallaro, N., G. Shrestha, R. Birdsey, M. A. Mayes, R. G. Najjar, S. C. Reed, P. Romero-Lankao, and Z. Zhu (eds.)]. U.S. Global Change Research Program, Washington, DC, USA, pp. 365-398

Lee, H., Goodman, A., McGibbney, L., Waliser, D. E., Kim, J., Loikith, P. C., Gibson, P. B., and Massoud, E. C.: Regional Climate Model Evaluation System powered by Apache Open Climate Workbench v1.3.0: an enabling tool for facilitating regional climate studies, Geosci. Model Dev., 11, 4435-4449, 2018.

Loikith, P. C., J. David Neelin, J. Meyerson, and J. S. Hunter, 2018: Short warm-side temperature distribution tails drive hotspots of warm temperature extreme increases under near-future warming.  Accepted to J. Climate

Adams, E. A., Juran, L., & Ajibade, I. (2018). ‘Spaces of Exclusion’ in community water governance: A Feminist Political Ecology of gender and participation in Malawi’s Urban Water User Associations. Geoforum, 95, 133-142.

Cantor, Alida and Knuth, S. (2018). Speculations on the postnatural: Restoration, accumulation, and sacrifice at the Salton Sea. Environment and Planning A: Economy and Space. 

Chang, H., Deonie, A., Morse, J., and  Mainali, J. (2018) Sources of contaminated flood sediments in a rural-urban catchment: Johnson Creek, Oregon. Journal of Flood Risk Management 

Chang, H., Bae, S-H., Park, K. (2018) Dreams and Migration in South Korea’s Border Region: Landscape Change and Environmental Impacts. Annals of the American Association of Geographers (accepted) 

Markolf, S., Chester, M., Eisenberg, D., Iwaniec, D., Ruddell, B., Davidson, C., Zimmerman, R., Miller, T., Chang, H. Interdependent Infrastructure as Linked Social, Ecological, and Technological Systems (SETS) to Address Lock-In and Improve Resilience, Earth’s Future (accepted). 

McWethy, D., Pauchard, A., Garcia, R.A., Holz, A., Gonzalez, M.E., Veblen, T.T., and Stahl, J. 2018. Landcover, climate and land-use drive recent fire activity in south-central Chile. PLoS ONE 13(8): e0201195.   

Andreas Sommerfeld, Cornelius Senf, Brian Buma, Anthony D'Amato, Tiphaine Després, Ignacio DíazHormazábal, Shawn Fraver, Lee Frelich, Álvaro Gutiérrez, Sarah Hart, Brian Harvey, Hong He, Tomáš Hlásny, Andrés Holz, et al. (2018) Patterns and drivers of recent disturbances across the temperate forest biome, Nature Communication

Barkhordarian, A., H. von Storch, A. Behrangi, P. C. Loikith, C. R. Mechoso, and J. Detzer, (2018) Simultaneous regional detection of land-use changes and elevated GHG levels: the case of spring precipitation in tropical South America. Geophysical Research Letters 

Serra-Diaz, J.M., Maxwell C., Lucash, M.S., Scheller, R.M., Laflower, D.M., Miller, A.D., Tepley A.J., Epsein, H.E., Anderson-Teixeira, K.J., Thompson, J.R. (2018). Disequilibrium of fire-prone forests sets the stage for a rapid decline in conifer dominance during the 21st century. Scientific Reports 

Lucash, M., Scheller, R., Sturtevant, B., Gustafson, E., Kretchen, A., Foster, J.(2018). More than the sum of its pars: how disturbance interactions shape forest dynamics under climate change. Ecosphere 

Shobe, Hunter. (2018) Graffiti as Communication Language, in Stan Brunn et al. (eds.), Handbook of the Changing World Language Map

 



 

PRESENTATIONS

Andrew Martin presented research on rare weather events and how they modify orographic precipitation, leading to difficult to predict flooding, at the Annual Meeting of the American Meteorological Society in Boston, MA. The study was performed in collaboration with Scripps Institution of Oceanography and funded by the US Army Corps of Engineers.

Valerie Thaler, a graduate student in the Climate Science Lab, presented at the 2020 American Meteorological Society Annual meeting in Boston, Massachusetts.

Arielle Catalano, postdoctoral scholar in the Climate Science Lab, presented at the American Geophysical Union Fall Meeting in December 2019. Her research evaluates the ability of IPCC CMIP6 climate models to capture temperature distribution tail shape.

Shelby Weiss, PhD student, presented her dissertation research at the 2019 AGU Fall Meeting in San Francisco, CA. Her poster included preliminary results from modeling vegetation response to short-interval fires in interior Alaska with LANDIS-II.

Melissa Haeffner, Environmental Science and Management, presented "Managed retreat in a north-south context: From resistance to acceptance" on behalf of the team that includes Idowu (Jola) Ajibade, Geography, and students Erin Upton (ESM), Kyler Speich (GEO), and Meghan Sullivan (GEO) at the American Geophysical Union (AGU) in San Francisco, CA on Dec. 11, 2019.

Dr. Melissa Lucash presented her research at the 2019 AGU Fall Meeting in San Francisco, CA. Her poster focused on simulating soil carbon pools and fluxes in the boreal forests of Alaska.

Dmitri Kalashnikov, a Masters student in the Climate Science Lab of the Geography Department, presented his thesis research at the 2019 AGU Fall Meeting in San Francisco, held from 9-13 December 2019. Dmitri's poster focused on the meteorological conditions necessary for lightning outbreaks in the western United States, gleaned from analyzing 30 years of lightning data.

Paul Loikith presented research on atmospheric rivers at the 2019 American Geophysical Union Fall Meeting in San Francisco, California.

Idowu Ajibade, Geography Faculty, presented “Triple Exposure: Mapping Climatic, Economic and Socio-Spatial Drivers of Risk and Resilience in a Sustainable City. Northwest Climate Conference. Portland, Oregon, Oct 9, 2019.
Idowu Ajibade, Geography Faculty, presented a paper  "Planned retreat and resilience planning in megacities", at the Environmental Justice Conference ˜Transformative Connections". University of East Anglia, Norwich, UK. July 2-4.
 

Heejun Chang, Geography Faculty, gave an invited presentation at the Urban Water Round Table.

Graduate Student Valerie Thaler attended and presented at the European Geosciences Union General Assembly in Vienna, Austria.

Paul Loikith gave a presentation on characterizing synoptic climatology of extratropical South America at the European Geophysical Union General Assembly in Vienna, Austria.

Dr. Melissa Lucash, Research Assistant Professor of Geography, and Shelby Weiss, PhD student in Geography, coauthored "The Predictable, and not so Predictable, Spatial Distribution of Short Interval Fires Across the US West" with Dr. Brian Buma and Katherine Hayes at the U. S. Regional Association of the International Association for Landscape Ecology, Fort Collins, CO. April 2019.

Dr. Lucash gave a presentation entitled "A Glimpse into the Future: Using Spatial Modeling and Virtual Reality to Visualize Forests under Climate Change" at the U. S. Regional Association of the International Association for Landscape Ecology in Fort Collins, CO, April 2019.

Idowu Ajibade, Geography faculty, presented a paper, “Why some cities transform and others remain vulnerable: interrogating enablers and barriers to transformative adaptation in Metro-Manila.” At the American Association of Geographers Conference, Washington, DC, April 7

Alida Cantor presented at the Annual Meeting of the American Association of Geography in Washington, D.C. on her recent research examining recent legal cases to secure instream flows in Maui, Hawaii.
 

Junjie Chen gave a presentation titled "Simulating hydrological response from impacts of climate variability and land use change in the Clackamas River Basin in Oregon using ArcSWAT" at the 2019 AAG Annual Meeting

Alida Cantor presented at the Society for Applied Anthropology on her recent research examining the successful efforts of environmental advocates and Native Hawaiians to challenge water allocation practices in Maui, Hawaii.

Idowu Ajibade, Geography faculty, presented a paper, “The double-edged nature of patronage politics, capital accumulation, and transformative adaptation in the Philippines” at the Society for Applied Anthropology Conference, Portland, Mar. 21.

Emily Slinskey presented on 'The Association Between Atmospheric Rivers and Extreme Precipitation over the Eastern United States' at the American Meteorological Society 99th Annual Meeting 32nd Conference on Climate Variability and Change in Phoenix, Arizona in January.

Idowu Ajibade, Geography faculty, presented a poster titled “Perception vs. reality: Understanding environmental ideologies and influences on sustainable action in Portland” at SPSP Preconference, Portland, Oregon, Feb. 7

Heejun Chang, Geography Faculty, gave a keynote talk titled "Geography in a New Era: Challenges and Opportunities for Geographers" at the Annual Meeting of the Association of Korean Geographers in Chunchun, South Korea, December 1, 2018.

John Rogers gave a talk about his research on future projections of the Stratospheric Polar Vortex in climate model simulations.

Christina Aragon gave a talk titled "Large-scale meteorological patterns associated with precipitation extremes in climate models over Portland's Bull Run Watershed" at the 99th American Meteorological Society Annual Meeting

Arielle Catalano, a postdoctoral scholar in Geography, presented "A Synoptic Approach to Studying Snowfall in Oregon's Clackamas River Watershed in Observations and Climate Models" at the 2019 AMS Annual Meeting in Phoenix, AZ.

Dmitri Kalashnikov, a Masters student in the Climate Science Lab of the Geography Department, presented his initial thesis research at the 2018 AGU Fall Meeting in Washington DC, held from 10-14 December 2018. Dmitri's talk focused on the meteorological conditions necessary for lightning outbreaks in the western United States, gleaned from analyzing 30 years of lightning data.

Paul Loikith presented a talk about the effect of non-Gaussian cold side temperature distribution tails on future change in extreme cold at the American Meteorological Society Annual Meeting in Phoenix, AZ.

Paul Loikith presented a talk on his research on the effects of non-Gaussian cold temperature distribution tails on changes in extreme cold at the AGU Fall Meeting in Washington, DC.

Idowu (Jola) Ajibade, Geography faculty, presented “Sustainable Development Goal on Food Security and Agriculture: A Political Ecology Analysis of Opportunities and Barriers to Progressive Realization” at the 2018 Sustainability and Development Conference, University of Michigan, Ann Arbor, Nov 11.

Association of Fire Ecology and International Association of Wildland Fire: Fire Continuum Conference— Special Organized Session on Fire refugia. Lifehistory traits mediate the impact of climate change and enhanced fire regimes on fire refugia of endemic Tasmanian conifers. Holz, A., Wood, S., Fletcher, M., Hopf, F., Ward, C., Veblen, T.T. & Bowman, D. Portland, OR. Missoula, MT. May, 2018. 

Design and application of a next-generation forest biogeochemistry model, Sortie-BGC Adam Erickson, Robert Scheller, Nikolay Strigul, Melissa Lucash

Climate Science Lab members gave three presentations at the 9th Annual Northwest Climate Conference. 

"Large-Scale Meteorological Patterns Associated with Heavy Precipitation and Storm Water Impacts in Portland, Oregon in Observations and Climate Models", Northwest Climate Conference, Boise, Idaho, October, 2018 (talk presented by Paul Loikith). 

"Characterizing the Drivers of Extreme Changes in Watershed-Scale SWE in the Context of Climate Change," Northwest Climate Conference, Boise, Idaho, October, 2018 (talk presented by Christina Aragon). 

"Towards Understanding the Impact of Climate Change on Water Quality and Quantity in Oregon's Clackamas River Watershed," Northwest Climate Conference, Boise, Idaho, October, 2018 (talk presented by Arielle Catalano). 

Two Geography graduate students gave presentations at The 4th Annual Johnson Creek Science Symposium 

“Hydrologic trends of streamflow and temperature in the Johnson Creek Watershed” by Emma Brenneman 
 
“Precipitation, Discharge, and Turbidity dynamics in Johnson Creek and Clackamas watershed, Oregon” by Junjie Chen 

 




GRANTS

Shelby Weiss has been selected as NEON Early Career Scholar for the 2020 Ecological Society of America (ESA) conference in Salt Lake City, Utah. As a member of the 2020 NEON Early Career Scholar cohort, she will participate in NEON-related workshops and events at ESA, with the opportunity to learn from and interact with NEON scientists and others who are using NEON resources in their research.

Andrew Martin has received a research grant from the NOAA office of Weather and Air Quality to improve observations of the rain-snow transition in mountainous terrain and to study the processes responsible for the downward bending of the rain-snow transition altitude toward terrain. The award will fund Dr. Martin and collaborators at UC San Diego to deploy instrumentation and conduct field research in the Northern Sierra Nevada Mountains through summer 2021.

Idowu Ajibade has been awarded a National Science Foundation-funded Enabling the Next Generation of Hazards and Disasters Researchers Fellowship

Graduate student Laura Platt was awarded a grant for research on effects of wildfire and climate on moist mixed-conifer forests in NE Oregon from Joint Fire Science Program.

Melissa Lucash was awarded a grant by NSF for collaborative research on Quantifying rates of biome shifts under climate change in arctic and boreal ecosystems.


IN THE MEDIA

Alida Cantor and coauthors discussed their new research on innovation and regulation in the wastewater treatment sector on Legal Planet.

Paul Loikith appeard on KGW local news talkshow Straigt Talk.

Sebastian Busby appeared in a research interview during the 2019 Northwest Climate Conference in Portland, OR discussing Severe wildfires transform forest ecosystems in the Cascade mountains. 

Andres Holz was featured on VICE News discussing Kangaroos and Koalas Are Dying in Australia's Hellfires. Wild Brumbies and Feral Cats Are Taking Over. Bushfires in Australia are unprecedented in modern times and will have a long-lasting legacy, including ca. 1.2 billion animals killed and conservation concerns for 113 animal species.

Sebastian Busby, EES PhD student, GEC Lab (Geog Dept) was featured on Yale Climate Connections discussing how severe wildfires transform forest ecosystems in the Cascade mountains

Idowu Ajibade, Geography Faculty, was interview for article titled We Need to Talk About a Planned Retreat from Climate Disaster Zones Now published in VICE.


Alida Cantor co-authored "California groundwater management, science-policy interfaces, and the legacies of artificial legal distinctions". This blog post discusses a recent publication in Environmental Research Letters co-authored by Alida Cantor on the topic of California groundwater management and science-policy interfaces.

Heejun Chang, Geography Faculty, was interviewed by KATU2 for a recent study examining flood and heat hazard potential in Portland.

Jola Ajibade, Geography faculty, appeared in “Rappler” (the Philippines’ largest leftist media) she talked about the Unsung heroes transforming slums in Metro-Manila, April 6.

Barbara Brower was interviewed by KATU News about the Portland Urban Coyote Project.

Andres Holz was quoted in a KATU news story about wildfires.

Melissa Lucash, Research Assistant Professor in Geography, and Terry Marcey, a recent B.S. graduate of the ESM department, were co-authors of a paper that was featured on OPB Earth Fix and NPR Jefferson public radio- “Post-fire management affects species composition but not Douglas-fir regeneration in the Klamath Mountains.” 

Paul Loikith was interviewed in a Willamette Week article on recent climate and fire smoke.