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To receive email updates about the 2023-2024 seminar series, subscribe to our mailing list. Seminars are free and open to the public. Whenever possible, seminars will be recorded and shared here and on our YouTube channel.

Date, Time, and LocationTitle and Speaker

Wednesday, January 31 | 3:30 PM

S415 Soil Science Building & Zoom

Defining scholarship as a faculty extension specialist: A water quality case study


Laura Christianson 

Wednesday, February 7 | 3:30 PM

S415 Soil Science Building & Zoom

Student Lightning Talks

Wednesday, February 14 | 3:30 PM

S415 Soil Science Building & Zoom

Sources and Mechanisms of Sediment Production in Minnesota Rivers

Satish Gupta

Wednesday, March 13 | 3:30 PM

S415 Soil Science Building & Zoom

Linking the soil to the air: understanding vegetation water stress through hydraulic transport

Xue Feng

Wednesday, March 20 | 3:30 PM

S415 Soil Science Building & Zoom

Mehmet Ozturk and Samikshya Subedi

Wednesday, March 27 | 3:30 PM

S415 Soil Science Building & Zoom

Terrestrial ecosystems in a changing world: how drought, hurricane disturbance and warming is altering biogeochemistry

Christine O'Connell

Wednesday, April 3 | 3:30 PM

S415 Soil Science Building & Zoom

Queer Trans Ecologies Along Rivers.

Cleo Wölfle-Hazard

Wednesday, April 17 | 3:30 PM

S415 Soil Science Building & Zoom

Estimating Vegetation Optical Depth and Soil Permittivity over Snow-covered Boreal Forests and Permafrost using Satellite Data

Ardeshir Ebtehaj

Wednesday, May 1 | 3:30 PM

S415 Soil Science Building & Zoom

Solar-Induced Chlorophyll Fluorescence (SIF): Towards a Better Understanding of Vegetation Dynamics and Carbon Uptake in Arctic-Boreal Ecosystems

Rui Cheng

Wednesday, May 8 | 3:30 PM

S415 Soil Science Building & Zoom

Prioritizing water availability study settings by considering geogenic contaminants, domestic well water use, and other societal factors

Mindy Erickson





Past Seminars

Recordings are available for many past seminars; click the link in the talk title or browse our YouTube channel.

Expand all

Fall 2023

Date, Time, and LocationTitle and Speaker

Wednesday, November 8 | 3:30 PM

S415 Soil Science Building & Zoom

Developing low-cost marine observation systems: Challenges for the Great Lakes and potential blue economic opportunities

Dr. Craig Hill | University of Minnesota Duluth Mechanical and Industrial Engineering 

Wednesday, November 15 | 3:30 PM

S415 Soil Science Building & Zoom

Building Resistance to Changing Climate - Rainfall Intensity

Ken Wacha, Research Hydrologist, Agroecosystems Management Research Unit

Wednesday, November 29 | 3:30 PM

S415 Soil Science Building & Zoom

A Food Company Perspective on Regenerative Agriculture Science and Strategy

Steve Rosenzweig, General Mills

Wednesday, December 6 | 3:30 PM

S415 Soil Science Building & Zoom


Brent Williams | University of Minnesota Department of Soil, Water, and Climate 

Spring 2023

Date, Time, and LocationTitle and Speaker

Wednesday, January 18 | 3:30 PM

S415 Soil Science Building & Zoom

Can we turn weather satellites into carbon monitoring satellites? Progress in hypertemporal remote sensing of the carbon cycle

Dr. Paul Stoy | University of Wisconsin-Madison, Biological Systems Engineering

Wednesday, February 15 | 3:30 PM

S415 Soil Science Building & Zoom

Linking water age and nitrogen cycling in tile-drained agricultural systems 

Zhongjie Yu | Univ. of Illinois Urbana-Champaign, Natural Resources and Environmental Science

Wednesday, March 1 | 3:30 PM

S415 Soil Science Building & Zoom

LAAS Graduate Student Lightning Talks

Irfan Ainuddin, Michelle Bohnen, Maricia Pacheco, Manuel Sabbagh, Bailey Tangen

Wednesday, March 22 | 3:30 PM

S415 Soil Science Building & Zoom

Workspace climate in geosciences

Erika Marin-Spiotta | UW Madison Geography

Wednesday, April 5 | 3:30 PM

S415 Soil Science Building & Zoom

Always something new: Nutrient management software and the intersection of science, policy, and practice

Laura Ward Good | UW Madison Soil Science

Wednesday, April 12 | 3:30 PM

S415 Soil Science Building & Zoom

Environmental changes during the Woolly Mammoth extinction at St. Paul Island

William Daniels | UM Duluth Earth & Environmental Science

Wednesday, April 19 | 3:30 PM

S415 Soil Science Building & Zoom

Hydroclimate extremes and tree rings in California

Daniel Griffin | UMN-TC Geography

Wednesday, April 26 | 3:30 PM

S415 Soil Science Building & Zoom

International soils, water, and climate perspectives 

Renzo Negrini and Azucena Sierra Garcia | UMN SWAC

Wednesday, May 3 | 3:30 PM

S415 Soil Science Building & Zoom

A Buried Bond: The connection between healthy soil and healthy communities

Brenda Hoppe, PhD | Researcher in Soil, Water, and Climate 

Fall 2022

DateSpeaker and Title 

Wednesday, September 14 | 3:30 PM

S415 Soil Science Building & Zoom

Precipitation and landforms as the primary drivers of river baseflow

Dr. Satish Gupta, Professor Emeritus, Department of Soil, Water, and Climate

Wednesday, September 28 | 3:30 PM

S415 Soil Science Building & Zoom

Impacts of racially discriminatory housing policies on resident exposure to intra-urban heat: a comparison of racial covenants and redlining in Minneapolis, MN

Rebecca Walker, PhD Candidate, UMN Humphrey School 

Wednesday, October 5 | 3:30 PM

S415 Soil Science Building & Zoom 
(Speaker will be virtual)

Gross primary productivity: Quantifying the unmeasurable using flux measurements of carbonyl sulfide

Georg Wohlfahrt

Wednesday, October 19 | 3:30 PM

S415 Soil Science Building & Zoom (Speaker will be virtual)

Earth observation for agriculture monitoring

Dr. Ying Sun, Assistant Professor, Cornell University

Wednesday, October 26 | 3:30 PM

S415 Soil Science Building & Zoom

Entering mentoring! Using soil science to train tomorrow's research mentors

Dr. Julie Grossman, University of Minnesota

Wednesday, November 2 | 3:30 PM

S415 Soil Science Building & Zoom

LAAS graduate student lightning talks

Jéssica Barbosa Oliveira, Hava Blair, Jake Kundert, and Stella Woeltjen

Wednesday, November 16 | 3:30 PM

S415 Soil Science Building & Zoom

SWAC faculty lightning talks

Spring 2022

Wednesday, February 9, 2022 | 3:30 PM
Improving tart cherry productivity and profitability through variable-rate precision management: A new multi-state, multi-discipline project
Dr. Grant Cardon, Utah State University
Wednesday, February 16, 2022 | 3:30 PM
SWAC Staff Lightning Talks
Dr. Alexander Frie, Heidi Reitmeier, Dr. Michael Vermeuel
Wednesday, March 2, 2022 | 3:30 PM
Unraveling bacteria-mediated processes in soil through multiscale experiments
Dr. Judy Q. Yang, University of Minnesota
Wednesday, March 23, 2022 | 3:30 PM
LAAS Graduate Student Lightning Talks 
Emma Link, Xueying Yu, Nancy Bohl Bormann
Wednesday, April 6, 2022 | 3:30 PM
Minorities in Agriculture, Natural Resources and Related Sciences (MANRRS)
Ebony Webber, MBA, MANRRS
Wednesday, April 20, 2022 | 3:30 PM 
Advancing soil health assessments for enhanced agronomic performance and ecological function
Dr. Christine Sprunger, Ohio State University

Fall 2021

Wednesday, September 22, 2021 | 4 PM
Getting to the Heart of Science Communication
Faith Kearns, scientist and science communication practitioner
Wednesday, October 13, 2021 | 4 PM
Hydroclimate of the Americas: Land Surface Effects on the Overlying Atmosphere
Francina Dominguez, Associate Professor, Department of Atmospheric Sciences, University of Illinois
Wednesday, October 20, 2021 | 4 PM
Wind climatology at the Rosemount, MN wind energy research field site
Katherine Klink, Associate Professor, Department of Geography, Environment, and Society, University of Minnesota
Wednesday, November 3, 2021 | 4 PM
Advancing diversity and inclusivity within the College of Science and Engineering
Cara Santelli, Associate Professor, Department of Earth and Environmental Sciences, University of Minnesota
Wednesday, November 10, 2021 | 4 PM 
SWAC faculty lightning talks
Kyungsoo Yoo, Professor and Peter Neff, Assistant Research Professor, Department of Soil, Water, and Climate, University of Minnesota 
Wednesday, November 17, 2021 | 4 PM
Phyto-remediation of arsenic in urban agricultural soils
Sarick Matzen, Postdoctoral Associate, Department of Soil, Water, and Climate, University of Minnesota
Wednesday, December 8, 2021 | 4 PM
LAAS graduate student lightning talks 
Andrea Elvir FloresAzucena Sierra Garcia, and Madeline Vogel

Spring 2021

Several speakers addressed themes of environmental justice and diversity in environmental science. Speakers marked with an asterisk (*) spoke broadly on these themes. You can read SWAC's statement on diversity, equity, and inclusion here.

Wednesday, February 10, 2021 | 3:30 PM
SWAC Faculty Lightning Talks: Jess Gutknecht and Dylan Millet
Wednesday, February 24, 2021 | 3:30 PM
*Sally Pusede, Assistant Professor, Dept of Environmental Science, UVA
Wednesday, March 3, 2021 | 3:30 PM
Andrea Basche, Assistant Professor, Dept of Agronomy and Horticulture, UNL
Wednesday, March 17, 2021 | 3:30 PM
*Shalini Gupta, Researcher, Writer, and Environmental Justice Advocate
Wednesday, March 31, 2021 | 3:30 PM
LAAS Graduate Student Lightning Talks: Luis Allen, Jonathan Birkel, and Manny Sabbagh
Wednesday, April 14, 2021 | 3:30 PM
*Claudia Muñoz-Zanzi, Associate Professor, Division of Environmental Health Sciences, UMN
Postponed: Wednesday, April 21, 2021 | 3:30 PM
*Cara Santelli, Associate Professor, Dept of Earth and Environmental Sciences, UMN
Wednesday, May 5, 2021 | 3:30 PM
Tamara Walsky, Graduate Student, UMN Water Resources Science Graduate Program

Fall 2020

Wednesday, September 16 | 3:30 PM
Dr. Melissa Kenney, UMN Institute on the Environment 
Sustainable Human-Environmental System Decisions Given Climate Change
Wednesday, October 7 | 3:30 PM 
SWAC faculty lightning talks
Fabian Fernandez, Jeff Strock, and Melissa Wilson
Wednesday, October 21 | 3:30 PM
Barbara Bekins, USGS
Effectiveness of Natural Attenuation for Petroleum Hydrocarbons in Groundwater
Wednesday, November 4 | 3:30 PM
SWAC graduate student lightning talks
Leanna Leverich, Heidi Reitmeier, and GP Singh
Wednesday, November 11 | 3:30 PM
Isaya Kisekka, UC Davis
Groundwater Issues and Sustainability of Irrigated Agriculture in California’s Central Valley
Wednesday, December 2 | 3:30 PM 
John Bilotta, UMN Water Resources Center
Banking Groundwater: Assessing aquifer storage and recovery (ASR) in Minnesota"
Wednesday, December 9 | 3:30 PM 
Nic Jelinksi, UMN SWAC & Melvin Giles, The Storymobile
Developing Sustainable Community-University Partnerships


Spring 2020

January 29, 2020
LAAS Graduate Student Lightning Talks: Persephone Ma, Jon Alexander, Stella Pey
February 5, 2020
Devin Henry, University Relations
"Speaking with the Media: University Relations Training and Tips"
February 19, 2020
SWAC Faculty Lightning Talks: Satoshi Ishii, Lindsay Pease, Ce Yang
February 26, 2020
Oliver Chadwick, UCSB
"Connections Between Soil Properties and Polynesian Land Use"
March 4, 2020
Abimbola Ojekanmi, USDA – ARS
"Impact of corn stover retention on soil organic carbon and soil quality"
(Additional seminars were canceled due to the COVID-19 pandemic)


Fall 2019

September 18, 2019
"Supporting precision farming with Earth observation technology"
Dr. Jiali Shang, Research Scientist, Agriculture and Agri-Food Canada
October 2, 2019
"Don't call it a comeback: Studying ancient floods to prepare for future hazards"
Dr. Scott St. George, Associate Professor, Department of Geography, Society, and Environment, UMN
October 16, 2019
"Blowin’ in the Wind: Reconstructing upwelling during abrupt North Atlantic cooling events"
Louisa Bradtmiller, Associate Professor of Environmental Studies, Macalaster College
October 30, 2019
"A climate reality story and lessons from an experimental mesocosm facility"
Lee Miller, LAAS Graduate Student, Dept. of Soil, Water, & Climate, UMN
November 13, 2019
"Mechanisms of chromium removal from industrial stormwater via peat sorption"
Brandy Stewart, Postdoctoral Associate, Dept. of Soil, Water, & Climate, UMN
November 20, 2019
"Water meets plants, geochemistry, and people: A journey through vulnerable environments"
Gene-Hua Crystal Ng, Assistant Professor, Dept. of Earth and Environmental Sciences, UMN 
December 4, 2019
"Agriculture's effects on human health via reduced air quality"
Jason Hill, Professor, Bioproducts and Biosystems Engineering, UMN


Spring 2019

February 13, 2019
"Conservation ag at a pace and scale that matters"
Leif Fixen, Agriculture Strategy Manager, The Nature Conservancy
February 27, 2019
"Sustainable management of ecohydrological systems under climate variability"
Xue Feng, Assistant Professor, UMN Department of Civil, Environmental, and Geo- Engineering
March 13, 2019
"Soils as environmental barometers: From the Pleistocene to the Anthropocene"
Mark Bowen, Assistant Professor, Department of Geography, Minnesota State University, Mankato
March 27, 2019
"Flow, transport, and reaction in porous and fractured media: Bridging the gap between scales and processes"
Peter Kang, Assistant Professor, UMN Department of Earth and Environmental Sciences
April 17, 2019
"Soil phosphatases as the ‘bio’ in phosphorus biogeochemistry" (Slides, PDF)
Andrew Margenot, Assistant Professor, Crop Sciences, University of Illinois Urbana-Champaign
April 24, 2019
"Hydrologic influences on solute and sediment chemistry exported from mixed-landuse watersheds"
Diana Karwan, Assistant Professor, UMN Forest Resources Science
May 1, 2019
"Wildfire smoke in your backyard: chemistry and emission"
Lu Hu, Assistant Professor, Atmospheric Chemistry at University of Montana

Fall 2018

September 5, 2018
"Reconstructing climate and vegetation dynamics with pollen and other proxies in the Midwestern US"
Dr. Julie Commerford, Saginaw Valley State University
September 19, 2018
"Mapping Minnesota: New ArcGIS online tools available at the U"
Joel Nelson, Department of Soil, Water, & Climate
October 3, 2018
"Retention and transformation of nitrogen fertilizers"
Dr. Larry Hendrickson, Iowa State University
October 17, 2018
"Unraveling regulation of soil nitrification"
Dr. Florence Sessoms, UMN Department of Horticulture
October 31, 2018
"Irrigation impacts on water quantity in the northern Great Lakes states"
Dr. Mallika Nocco, Department of Soil, Water, & Climate
November 14, 2018
"West River Parkway slope repair"
Mike Haggerty, Barr Engineering Co.
November 28, 2018
"Wisconsin's sand boom: The effects of frac sand mining and reclamation on soil health"
Dr. Holly Dolliver, Chair of Plant and Earth Science Department, University of Wisconsin Riverfalls
December 12, 2018
"The social costs of pollution in Minnesota: Advances and critiques of an ecosystem services approach to environmental policy"
Dr. Bonnie Keeler, UMN Humphrey School of Public Affairs, U of M

Fall 2017

Fall 2017 Flyer (PDF) 

September 11, 2017
Film Screening: "Between Earth & Sky: Climate Change on the Last Frontier
Directors Paul Hunton & Jonathan Seaborn
September 27, 2017
"Modular denitrifying and phosphorus-adsorbing bioreactors"
Andry Ranaivoson, Department of Soil, Water, and Climate 
October 4, 2017
"Arsenic concentration variability in newly constructed drinking water wells in Minnesota"
Dr. Melinda Erickson, USGS
October 11, 2017
"Tillage Erosion: Transforming soil and water conservation" (Slides, PDF)
David Lobb, University of Manitoba
November 8, 2017
"The synoptic controls on the river-ice hydrology of the Peace River Basin"
Luigi Romolo, Minnesota State Climate Office
November 29, 2017
"Variability of surface heat fluxes and its driving forces at different time scales over a large shallow lake in China"
Xiaosong Zhao, Nanjing Institute of Geography & Limnology, Chinese Academy of Sciences
December 6, 2017
"Forty years as a citizen-scientist"
Dr. Mark Seeley, Department of Soil, Water, and Climate 

Spring 2017

January 25, 2017
"'Worming' up the formerly glaciated world"
Adrian Wackett and Dr. Kyungsoo Yoo, Department of Soil, Water, and Climate
February 8, 2017
"Earthworms and Earth history: An introduction to the evolutionary history of earthworms, their ecological functions, and interactions with humans"
Dr. Samuel James, University of Iowa 
February 22, 2017
"Soil lead distributions across scales in the Twin Cities Metropolitan Area"
Dr. Nic Jelinski, Department of Soil, Water, and Climate
March 8, 2017
"North Central United States: Climate, runoff, and flooding" 
Dr. Karen Ryburg, USGS Dakota Water Science Center

March 22, 2017
SWAC Lightning Talks

Watch the five minute talks, followed by questions and answers, on YouTube:

April 5, 2017
"Communicating science" (Slides PDF)
Stacy Nordstrom, Department of Soil, Water, and Climate 
May 3, 2017
"Air pollutants change composition of floral scents and increase insect foraging times"
Dr. Jose D. Fuentes, Pennsylvania State University

Fall 2016

September 21, 2016
"Improving crop nitrogen management by understanding processes in the nitrogen cycle"
Dr. Fabian Fernandez, Department of Soil, Water, and Climate
October 5, 2016
"Managing salt-affected soils and the organisms that inhabit them"
Dr. Heather Dose, USDA-ARS

Unfortunately, there were technical difficulties during the recording of this seminar so a small section of the seminar was not recorded.
Recording Part 1 | Recording Part 2 
October 19, 26, and November 2, 2016
SWAC Faculty Lightning Talks 
Watch all of the videos on YouTube
November 16, 2016
"Utilizing landscape design for continual improvement of bioenergy feedstock supply systems"
Dr. Doug Karlen, USDA-ARS
November 30, 2016
"Conservation and restoration of native freshwater mussels in the Upper Mississippi River: a research synopsis"
Dr. Teresa Newton, USGS Upper Midwest Environmental Sciences Center

Spring 2016

January 20, 2016
"Identifying the key players in N2O production and reduction in soil and water"
Dr. Satoshi Ishii, Department of Soil, Water, and Climate 
February 3, 2016
"Catalyzing water research, extension, and teaching activities at the University of Minnesota"
Dr. Jeffrey Peterson, UMN Water Resources Center 
February 17, 2016
"Linking soil-water dynamics to denitrification and greenhouse gas production in urban wetlands"
Dr. Monica Palta, Arizona State University
March 2, 2016
"Atmospheric chemistry at the air-sea interface"
Dr. Timothy Bertram, University of Wisconsin, Madison
March 30, 2016
"The regional carbon balance during the record harvest year of 2015"
Dr. Jeff Wood, Department of Soil, Water, and Climate
April 27, 2016
"Understanding the long-term dimensions of agricultural system change: A view from Polynesian environmental archaeology"
Dr. Seth Quintus, North Dakota State University
May 4, 2016
"Hydrologic impacts of drainage under corn production systems"
Dr. Jeff Strock, Department of Soil, Water, and Climate

Fall 2015

September 9, 2015
"Glyphosate: Trends in use, environmental behavior, and observations in air and streams"
Dr. Paul Capel, USGS Department of Civil and Environmental Engineering
September 23, 2015
"Fungal and abiotic controls on selenium redox and implications for remediation of contaminated soils"
Dr. Carla Rosenfeld, Department of Earth Sciences
September 30, 2015
"Challenges, accomplishments, and questions: Forty years of community and resource development"
Dr. Tom Halbach, Department of Soil, Water, and Climate
October 7, 2015
"Precision agriculture technologies and machine learning opportunities in Brazil"
Dr. Jose Hernandez, Farmers Edge
October 21, 2015
"Economically motivated adulteration of foods: Environmental and market pressures"
Dr. Karen Everstine, Food Protection and Defense Institute
November 18, 2015
"A perspective of past, present, and future research at the USDA-ARS National Sedimentation Laboratory"
Dr. M J.M. Romkens, Recently Retired Director of the National Sedimentation Laboratory, Oxford, MS
November 19, 2015
"Global climate change effects on crop productivity and water use as determined from Free-Air CO2 Enrichment (FACE) and Temperature Free-Air Controlled Enhancement (T-FACE) experiments"
Dr. Bruce Kimball, USDA-ARS
December 2, 2015
"Nitrous oxide emissions from streams"
Mr. Peter Turner, Department of Soil, Water, and Climate