Members of the FEWS Lab
Dr. Hyunwoo Kang (Post-doctoral Scholar)

My research focuses on characterizing soil moisture regimes in burned and unburned forests and quantifying their sensitivity to post-fire drought based on hydrological modeling. Previously, my research projects were to evaluate climate change impacts on drought and food security in many watersheds in the world based on soil moisture estimation from some hydrological models. I have studied various hydrologic model applications, remote sensing products, climate change impacts on hydrologic extreme, and drought assessment throughout my academic career.

In collaboration with Cameron Naficy (USFS) and Meg Krawchuk (OSU)

Dr. Lorrayne Miralha (Post-doctoral Scholar)

My research intersects hydrological concepts and spatiotemporal modeling approaches to improve understanding of watershed processes and ecosystem health. Currently, I have been working on understanding the effectiveness of riparian practices on stream ecosystems. Specifically, I am investigating how different forest management practices associated with riparian areas influence water quantity, quality, and stream metabolism in headwater streams in Northern California. Throughout my academic career, I have investigated spatial patterns associated with water quality variables, explored environmental concerns linked to excess nutrients from highly agricultural regions, and developed Deep Learning approaches able to map agricultural sources of pollution in the United States. My skills involve hydrological modeling, spatial-temporal analysis, machine learning, remote sensing, and GIS. My goal is to use my research outcomes to guide environmental policymakers and modelers to implement solutions that result in optimal sustainable outcomes.

In collaboration with Catalina Segura (OSU)

Dr. Dave Roon (Post-doctoral Scholar)

My research explores the ecology of freshwater systems with a focus on the processes that link aquatic ecosystems, forests, and watersheds. I use this research to better understand how terrestrial disturbances that change forest conditions can influence aquatic ecosystems. My previous research projects have evaluated the spread of invasive species in riparian forests on salmonid food webs in Alaska and the effects of riparian forest restoration on stream ecosystems in the redwoods of northern California. My current research models the effects of wildfire and shifting fire regimes on aquatic ecosystems in the Pacific Northwest. All my work is designed to directly inform natural resource management. Through my research I have worked with a wide range of managers including municipal, state, and federal agencies, national parks, and private timber companies.

In collaboration with Becky Flitcroft (USFS PNW Research Station) and Joe Ebersole (US EPA)

Katherine McCool (Ph.D. Candidate)

Katherine's research investigates the influences of post-fire restoration practices on soil and hydraulic functions. She recently earned her M.S. at Oregon State, where she researched post-fire soil carbon and erosion. Her PhD research will focus on understanding how different post-fire management strategies influence soil water availability, organic matter content and character, and vegetation reestablishment.

Katie Wampler (Ph.D. Candidate)

Katie's research is focused on measuring and modeling the effects of wildfire on streamflow and water quality (e.g., DOM, turbidity) in the North Santiam and McKenzie River Basins, which were both impacted by the 2020 Labor Day Fires in Oregon. Her research will provide important insights into the downstream impacts of fire on water supply.

In collaboration with Allison Myers-Pigg (PNNL) and Tim Scheibe (PNNL)

Jansen Ivie (M.S. Candidate)

I received my B.S. from Texas Tech University in 2021. While there, I conducted a research project examining predator-prey relationships between non-native Brown trout and several native fish species in the Jemez River Basin in the Santa Fe National Forest, NM. My research at OSU is focused on assessing the effects of the 2020 Archie Creek Wildfire on water qualiyt, fish habitat, and native fish populations in Hinkle Creek near Roseburg, OR. In addition, we have historical data from our study watersheds that will enable us to compare the effects from wildfire to forest harvesting. You can read more about the original Hinkle Creek Paired Watershed study here.

Co-supervised by Dana Warren (OSU)

Kate McCredie (M.S. Candidate)

My research aims to understand the effects of wildfire on nutrient and sediment transport in headwater streams by using field-based observations within western Oregon. Leveraging long-term datasets from the original Hinkle Creek Watershed Study (2001-2009), we are revisiting historic study sites impacted by the 2020 Archie Creek Fire to investigate the impact of forest harvesting, wildfire, and post-fire land management across a stream network. To help us better understand post-fire relationships between the terrestrial and aquatic environment, I am also investigating riparian soil characteristics (infiltration, hydraulic conductivity) and nutrient concentrations (nitrate, potentially mineralizable nitrogen, active carbon) across the watershed. This research will help to disentangle the effects of compound disturbances, informing land-use decisions and modeling-based approaches. I received my B.S. in Environmental Studies from Southern Oregon University in 2015. Before starting my current degree at OSU, I worked for the US Forest Service, the Oregon Dept. of Fish and Wildlife, Americorps, and the Student Conservation Association.

Co-supervised by Thomas H. DeLuca (OSU)

Cedric Pimont (M.S. Candidate)

My research...

Alessandra Bertucci (Hydrometric Technician)

Alessandra is an important member of our lab group, assisting faculty and graduate students with research, while gaining field and laboratory knowledge in forest hydrology.

Brenna Cody (Hydrometric Technician)

Brenna is an important member of our lab group, assisting faculty and graduate students with research, while gaining field and laboratory knowledge in forest hydrology.

India Gerhardt (Hydrometric Technician)

India is an important member of our lab group, assisting faculty and graduate students with research, while gaining field and laboratory knowledge in forest hydrology.


I'm always interested in hearing from highly motivated, enthusiastic students who are quantitatively minded, field oriented, and able to develop and conduct independent scientific research. Please send me an e-mail if you're interested in joining our group.

Lab Alumni - Where Are They Now?

Dr. Sharon Bywater-Reyes (Post-doc 2015-2017): Assistant Professor, University of Northern Colorado, Greeley, CO

Dr. Nicholas A. Cook (Post-doc 2015-2016): Consultant, Otak Engineering, Portland, OR

Ryan P. Cole (M.S. 2018-2020): US Forest Service

Dr. Ryan A. Hill (Faculty Research Associate 2019): Watershed Ecologist, United States Environmental Protection Agency, Corvallis, OR

Dr. Karla Jarecke (Ph.D. 2015-2021): Post-doctoral scholar, Oregon State University, Corvallis, OR

Noah Kanzig (Hydrometric Technician, B.S. 2016-2018): US Forest Service, Wallowa-Whitman National Forest, OR

Cameron Minson (Hydrometric Data Analyst, B.S. 2016-2017): Centro Experimental Forestal (CEFOR), Valdivia, Chile

Jonah Nicholas (M.S. 2020-2022): Albany, OR

Adam Pate (M.S. 2017-2019): USDA NRCS Snow Survey Team, Boulder, CO

Kira Puntenney (M.S. 2014-2017): Stream Tracker Project Manager, Colorado State University, Fort Collins, CO

Aaron Rachels (M.S. 2016-2018): Engineering Geologist, California Central Valley Regional Water Quality Control Board, Sacramento, CA

Danica Ruud (Undergraduate Honors 2018-2019): Geotechnical Engineer, Landslide Technology, Portland, OR

Jerry Risk (Hydrometric Technician, B.S. 2017-2018): Roseburg Forest Products, Roseburg, OR

Dr. Marcia Snyder (Faculty Research Associate 2020): US Forest Service Pacific Northwest Research Station, Corvallis, OR

Casey Steadman (M.S. 2015-2017): Corban University, Salem, OR

Austin Wissler (M.S. 2018-2020): Stream Restoration Specialist, Portland Bureau of Environmental Services, Portland, OR