Current Projects

Geologic and geomorphic controls on groundwater discharge to headwater streams in the Carolina Piedmont and Blue Ridge

• Graduate student Cameron Moore
• Collaborators Joju Abraham and Ted Campbell of the NC Division of Water Quality
• This project is funded by a grant from the UNCC ADVANCE program.
• Preliminary results were presented at the 2009 Geological Society of America Meeting (abstract here)

The role of the transient snow zone in mediating sensitivity of Pacific Northwest watersheds to climate change

• Graduate students Matt Calihan and Eliot Tardif
• Collaborator Glen Liston at Colorado State University's Cooperative Institute for Research in the Atmosphere
• see the 2008 AGU abstract on Secular trends in hydrological records along a latitudinal and elevational gradient in the Pacific Northwest

Processes and patterns of island evolution in a large regulated river

• Graduate student Brock Freyer
• This project was funded by a UNCC Faculty Research Grant
  

Hydrogeomorphic processes in headwater streams

• Graduate students Ralph McGee and Cameron Moore
• Sediment size distribution results were presented at the 2009 Geological Society of America meeting (abstract here)

Assessing the relative impacts of climate and land-use change on hydrology and nutrient export of headwater streams in the Carolina Piedmont

• Graduate student Chris Caveny-Cox

Watershed-scale hydraulic conductivity and its applicability to predicting peak and low flow characteristics

• in collaboration with Gordon Grant (USFS) and Sarah Lewis (Oregon State)

Completed Projects

Hydrology and geomorphic evolution of basaltic landscapes, High Cascades, Oregon

Jefferson, A., Grant G., and Lancaster, S. in review. Drainage development on permeable basaltic landscapes inferred from a chronosequence of
overlapping shield volcanoes, submitted to Journal of Geophysical Research - Earth Surface.

Jefferson, A., Nolin, A., Lewis, S., and Tague, C., 2008. Hydrogeologic controls on streamflow sensitivity to climatic variability, Hydrological Processes. DOI: 10.1002/hyp.7041.

Tague, C., Farrell, M., Grant, G. Choate, J., and Jefferson A. 2008. Deep groundwater mediates streamflow response to climate warming in the Oregon Cascades, Climatic Change 86: 189-210

Jefferson A., G. Grant, and T. Rose, 2006. Influence of volcanic history on groundwater patterns on the west slope of the Oregon High Cascades, Water Resources Research, Vol. 42, W12411, doi:10.1029/2005WR004812

Jefferson A., 2006. Hydrology and Geomorphic Evolution of Basaltic Landscapes, High Cascades, Oregon, PhD Dissertation, Oregon State University, 180p. (video presentation)

Contributions of Glacier Melt to Upper Hood River Streamflow and Implications of Climate Change
in collaboration with Anne Nolin, Sarah Lewis, and Jeff Phillippe (Oregon State University)

Influence of storm track and history on precipitation isotopes in the Carolina Piedmont
in collaboration with Matt Eastin (UNCC) and undergraduate student Kayla Holleman