I have conducted research with over 60 undergraduate students at Temple University. I don’t have photos of everyone, but if you have a photo when you were a student, please send it to me!
SPRING/FALL 2025
Lucas Oberholtzer Hess: Lucas is analyzing stream temperature data and doing some geophysical monitoring
SUMMER/FALL 2024/ SPRING 2025
Lucas Vito, Ryan Frederiks (postdoc), Katie Alexandrenko, and me sampling a spring in Pennypack Park
Lucas is working on the I95 project, and Katie has been sampling for the Urban Critical zone project and completing chemical analysis for the area watersheds associated with a William Penn Foundation grant and a Velay Summer Fellowship.
SUMMER 2023
Bri Radke: Sediment and turbidity monitoring at Pennypack Creek USGS stations
SUMMER 2022
Emilie Tannert-Schmidt: Microplastics and sediment filtering (working with grad student Ashleigh Kirker)
Jeremy Eland: Stream sampling for Critical Zone Network (working with grad student Bojan Milinic)
Francesca Navarro: GIS mapping of karst data sets (working with grad student Michael Jones at the University of Arkansas)
Erin Spross Long term nitrate variation in karst springs
Erin and me at an Arkansas cave; Emilie and grad student Ashleigh working on roof dust samples
SUMMER 2019
Chris Kobol Understanding thermal signatures in urban watersheds using drones and GIS
Kate Lyons Nutrient and sediment concentrations in urban storm basin runoff: understanding green stormwater infrastructure efficiency (Francis Velay Scholar program)
SUMMER 2018
Leanne Wiskemann, Origin of sediment-bound phosphorus in an urban stream (Francis Velay Scholar program)
Ashlynn Young, water quality and quantify upstream and downstream of a retention basin
Oliva D’Oliveria, water quality before and after retrofit of a retention basin
Ashlynn Young discussing filtered samples
SUMMER 2017
Arnetia Carroll, stormwater monitoring in karst springs
Hayley Dashnaw, nutrients in urban stream sediments
Trevor Murray, temperature monitoring of groundwater-surface water interaction
Tyler Wong (with Dr Nyquist), geophysical monitoring of stormwater tracer tests
Tyler Wong and Haley Dashnaw assisting grad student research
Arnetia Carroll presenting a poster with her grad student mentor Jim Berglund
SUMMER 2016:
Marley Chertok, turbidity monitoring in Wissahickon Creek
Rachel Crowley, karst spring sampling (Francis Velay Scholar program)
Paul O’Neill (with Dr Nyquist), geophysical monitoring of infiltration

Marley Chertok measuring streamflow with Postdoc Sarah Ledford
2011-2015
Grzegorz Czapla, Matthew Jirinec, Gavin McBrien, Ethan Hults, Derek Lichtner (with Dr. Nyquist), Vanessa Colon, Viet Nguyen, Juan Huertas-Fernandez (with Justin Shi), Sarah Sakson, Mark Dolan (with Justin Shi), Tom Clark, Ashley Newman, Jessica Welkey, Malory Pinkowski, Chris Witzigman
Ashley Newman and Viet Nguyen downloading data from campus stormwater basins
Mark Dolan discussing a phone app for stream monitoring, Matt Jirinec downloading weather data from rooftop on campus
2006-2010
Nick Papacostas, Jesse Bilger, Mark Kaufmann, Scott Quitel, Julie Williams, Shannon George, Nina Astillero, Alex Gibbs, Melissa Bross, Alyssa Finlay, Amanda Laskoskie, Christopher Capoccia, Matthew Sophy
Alex Gibbs downloading a storm pipe logger, Shannon George digging a hole for infiltration measurement in stormwater basin
Nina Astillero in a cave (taking a break from lab work); Nick Papacostas downloading temperature data on Lake Lacawac
1999-2005
Chuck Lipka, Amanda Getz, Jennifer Kehler, Linda Zaoudeh, Heather Landherr, Erin Pinder, John Peake, Cecilia Mejias, Rebecca Roth, Kathy Gross, Bryan Rillstone, Steve Scott, John Petriello, Keny Hayes, Julie Acton, Jeffrey Ham, Szilvia Mathes-Pucky
Karst & stormwater research group at GSA 2003 Steve Scott, Ellen Herman, Bryan Rillstone, Jen Tancredi, Cecilia Mejias, Ken Hayes, front row me, Szilvia Mathes-Pucky
Jen Kehler and Cecilia Mejias collecting stormwater samples
Jeff Ham downloading temperature data


























