PhD, Geology, University of Wisconsin Madison, 1986
Karst hydrology, urban hydrology, fractured rock, groundwater/surface water interaction, groundwater modeling, radioactive waste and isotope geochemistry.
Testing the Fill-and-Spill Model of Subsurface Lateral Flow Using Ground-Penetrating Radar and Dye Tracing. Nyquist, J. E., L. Toran, L. Pitman, L. Guo, and H. Lin (2018): Vadose Zone Journal, 17:170142
Papers and books that explicitly acknowledge a CZO grant are highlighted in PALE ORANGE.
Subsurface Hydrologic Processes Revealed by Time-lapse GPR in Two Contrasting Soils in the Shale Hills CZO. Guo, L., Lin, H., Nyquist, J., Toran, L., Mount, G. (2017): 2017 American Geophysical Union Fall Meeting, New Orleans, LA, 11-15 Dec
Dynamic time warping of time-lapse GPR data to monitor infiltration at the Shale Hills Critical Zone Observatory. NYQUIST, Jonathan, TORAN, Laura, LIN, Henry, and PITMAN, Lacey (2014): SAGEEP 2014 March 16-20, 2014 Boston, MA USA
GROUND-PENETRATING RADAR IMAGES HYDROLOGICAL PROCESSES WITHIN THE UNSATURATED ZONE AT THE SUSQUEHANNA-SHALE HILLS CZO. PITMAN, Lacey, NYQUIST, Jonathan, TORAN, Laura, and LIN, Henry (2014): GSA Northeastern Section 49th Annual Meeting 23–25 March 2014
Geophysically-Monitored Dye Tracer Test of Infiltration in the Unsaturated Zone at the Shale Hills CZO . NYQUIST, Jonathan, PITMAN, Lacey, TORAN, Laura, and LIN, Henry (2013): GSA Annual Meeting
Monitoring Time-Lapse Changes in Soil Moisture During Artificial Infiltration with Geophysical Methods . Lichtner, D, Nyquist, J, Toran, L, Guo, Li and Lin, H. (2012): Geological Society of America Abstracts with Programs. Vol. 44, No. 7, p.48
Monitoring time‐lapse changes in soil moisture during artificial infiltration with geophysical methods: Field reports regarding surface reflection GPR, ground wave GPR, and time‐lapse ERT at Shale Hills CZO. Lichtner, D., Nyquist, J., Toran, L., Guo, L., and Lin, H. (2012): Bachelor of Science, Temple University
Geophysical Prediction of Water Migration along the Soil‐Bedrock Interface at the Shale Hills Critical Zone Observatory. Nyquist, J and Toran, L (2012): Seed Grant Proposals in Support of Critical Zone Science in the Susquehanna Shale Hills CZO
Laboratory, Field and Modeling Analysis of Solute Transport Behavior at the Shale Hills Critical Zone Observatory. Kuntz, B.W., Rubin, S., Berkowitz, B., Singha, K., Toran, L. (2011): All Hands Meeting, Oracle, AZ, May, 2011
Using Groundwater Models to Understand the Effects of Fractures on the Transport of Solutes at the Shale Hills Critical Zone Observatory. Mercuri, M., Toran, L., Nyquist, J., Kuntz, B., Singha, K. (2011): GSA Annual Fall Meeting
Exploring Lithologic Controls on Solute Transport at the Shale Hills Critical Zone Observatory. Singha, K., Kuntz, B., Toran, L. (2009): AGU Annual Fall Conference Proceedings