Assistant Professor of Geology, University of Nebraska - Omaha
PhD, Geosciences, Pennsylvania State University, 2014
Current Research: shale weathering as a function of climate, influence of land use on weathering rates, climate monitoring
Integrated Interdisciplinary Science of the Critical Zone as a Foundational Curriculum for Addressing Issues of Environmental Sustainability. Timothy White, Adam Wymore, Ashlee Dere, Adam Hoffman, James Washburne, and Martha Conklin (2017): Journal of Geoscience Education Vol. 65, No. 2, pp. 136-145 National
Designing a suite of measurements to understand the critical zone. Brantley, S. L., DiBiase, R. A., Russo, T. A., Shi, Y., Lin, H., Davis, K. J., Kaye, M., Hill, L., Kaye, J., Eissenstat, D. M., Hoagland, B., Dere, A. L., Neal, A. L., Brubaker, K. M., and Arthur, D. K (2016): Earth Surface Dynamics 4: 211-235
Mineralogical Transformations and Soil Development in Shale across a Latitudinal Climosequence. Dere Ashlee L., Timothy S. White, Richard April, and Susan L. Brantley (2016): Soil Science Society of America, 80:623–636
Biotic controls on solute distribution and transport in headwater catchments. Herndon E. M., A. L. Dere, P. L. Sullivan, D. Norris, B. Reynolds, and S. L. Brantley (2015): Hydrology and Earth System Sciences Discussion
Landscape heterogeneity drives contrasting concentration-discharge relationships in shale headwater catchments. Herndon EM, Dere AL, Sullivan PL, Norris D, Reynolds B, and Brantley SL (2015): Hydrology and Earth Systems Sciences, vol 19:3333–3347
Natural and anthropogenic processes contributing to metal enrichment in surface soils of central Pennsylvania. Kraepiel, A. M. L., Dere, A. L., Herndon, E. M., and Brantley, S. L. (2015): Biogeochemistry, March 2015, Volume 123, Issue 1-2, pp 265-283
Climate dependence of feldspar weathering along a latitudinal gradient. Dere, A. L., White T. S., April R. H., Reynolds B., Miller T. E., Knapp E. P., McKay L. D. and Brantley S. L (2013): Geochim. Cosmochim. Acta 122:101-126
Papers and books that explicitly acknowledge a CZO grant are highlighted in PALE ORANGE.
Teaching climate science within the transdisciplinary framework of Critical Zone science . White, T.; Wymore, A.; Dere, A. L. D.; Washburne, J. C.; Hoffman, A.; Conklin, M. (2017): Fall Meeting, American Geophysical Union, December 2017. Abstract ED24A-02.
Critical Zone Science as a Multidisciplinary Framework for Teaching Earth Science and Sustainability. Wymore, A.; White, T.S.; Dere, A.L.D.; Hoffman, A.; Washburne, J.C.; Conklin, M.H. (2016): Fall Meeting, American Geophysical Union, December 2016. Abstract ED13E-0954.
Quantifying present-day and long-term shale weathering rates across a latitudinal climosequence. Dere, Ashlee Laura Denton, Elizabeth Andrews and Timothy S White (2015): EP34A-06 Landscape Evolution from a Critical Zone Science Perspective III, presented at 2015 Fall Meeting, AGU, San Francisco, CA, 14-18 Dec.
IN SITU MEASUREMENTS TO QUANTIFY PRESENT DAY SHALE WEATHERING RATES. ANDREWS, Elizabeth M., DERE, Ashlee L., and WHITE, Timothy (2014): GSA Northeastern Section 49th Annual Meeting 23–25 March 2014
Rates and Mechanisms of Shale Weathering Across a Latitudinal Climosequence. DERE, Ashlee (2014): Doctor of Philosophy, Geosciences, Pennsylvania State University, p 320
QUANTIFYING SHALE WEATHERING RATES AS A FUNCTION OF CLIMATE. DERE, Ashlee, WHITE, Timothy S., and BRANTLEY, Susan L. (2014): GSA Northeastern Section 49th Annual Meeting 23–25 March 2014
EP23B-3601 Systematic Investigation of REE Mobility and Fractionation During Continental Shale Weathering Along a Climate Gradient . Lixin Jin • Lin Ma • Ashlee Dere • Tim White • Susan Brantley (2014): 2014 AGU Annual Fall Meeting, San Francisco, CA, Dec 15-19th
EP13E-06 Rates of tree throw in Appalachian shale landscapes . Timothy White and Ashlee Dere (2014): 2014 AGU Annual Fall Meeting, San Francisco, CA, Dec 15-19th
ARBORTURBATION RATES IN THE APPALACHIAN MOUNTAINS. WHITE, Tim, SHARKEY, Sarah, and DERE, Ashlee L (2014): GSA Northeastern Section 49th Annual Meeting 23–25 March 2014
ARBORTURBATION RATES OF SOIL ON APPALACHIAN MOUNTAIN SHALE LANDSCAPES. WHITE, Timothy S., DERE, Ashlee L., and SHARKEY, Sarah (2014): 2014 GSA Annual Meeting in Vancouver, British Columbia (19–22 October 2014)
Differences in shale weathering on ridgetops and slopes along a latitudinal climosequence. A. L. Dere, T. S. White, L. E. Leidel AND S. L. Brantley (2013): Mineralogical Magazine 77:976
C, N, and Mn in Shale Soil Profiles along a Climate Gradient . Bingham, N (2013): Bachelor of Science, Pennsylvania State University.
Assessing the Extent of Reaction Versus Depth at Ridgetops and Hillslopes to Understand Controls on Denudation. BRANTLEY, Susan L., DERE, Ashlee, LEBEDEVA, Marina, WHITE, Timothy (2013): GSA Annual Meeting
Mineralogical Transformations During Shale Weathering from Puerto Rico to Wales . Dere, A.L., White T.S., April R.H., and Brantley S.L (2013): GSA Southeastern Section Meeting
Saprolite Fabric in Weathered Shale in East Tennessee with Comparison to Pennsylvania and Puerto Rico. MOSKAL, Jonathan Lee; DERE, Ashlee L.; and MCKAY, Larry D. (2013): GSA Southeastern Section Meeting
Rose Hill Shale Weathering Across a Climate Gradient in the Appalachian Mountains. Trowbridge, P (2013): Bachelor of Science, Pennsylvania State University
Soil Development on Shales of the San Sebastian Formation, Puerto Rico. VAZQUEZ-ORTIZ, Deborah, DERE, Ashlee, VAZQUEZ, Lorena, RUIZ, Ricardo, and MILLER, Thomas E (2013): GSA Southeastern Section Meeting
Bioturbation and Erosion by Tree Throw in Forested Landscapes, Appalachian Mountains . WHITE, Timothy S., SHARKEY, Sarah, and DERE, Ashlee (2013): GSA Cordilleran Section Meeting
Using U-series isotopes to quantify regolith formation and chemical weathering rates along a climosequence associated with the Susquehanna Shale Hills Critical Zone Observatory (Invited). Ma, L., Chabaux, F.J., Dere, A.L., White, T., Jin, L., Brantley, S.L. (2012): AGU Annual Fall Conference Proceedings
How lithology and climate affect REE mobility and fractionation along a shale weathering transect of the Susquehanna Shale Hills Critical Zone Observatory. Ma, L., Jin, L., Dere., A.L., White, T., Mathur, R., Brantely, S.L. (2012): AGU Annual Fall Conference Proceedings
Modeling Soil Addition Profiles of Carbon, Nitrogen, Lead and Manganese across a Climate Gradient. N. Bingham, S.L. Brantley (2012): ASA, CSSA and SSSA Annual Meeting, Cincinnati, OH, USA, October 21-24, 2012
Quantifying rates and mechanisms of shale weathering across a continental-scale climosequence. Brantley, S.L., Dere A.L. and White T.S. (2011): Goldschmidt
Shale weathering on slopes across a latitudinal climosequence. Leidel, L, Dere, A.L., White, T. (2011): AGU Annual Fall Conference Proceedings
Bioturbation of forested shale soils by tree throw in the Appalachian Mountains. Mann, E., Downy, K., Dere, A.L., White, T. (2011): AGU Annual Fall Conference Proceedings
01 Jan 2018 - A 15-week semester-long upper-level undergraduate course curriculum entitled “Introduction to Critical Zone Science” is now available free online.
05 Oct 2017 - Just under 250 geologists from across the state of Pennsylvania spent three days (Oct 5-7) exploring outcrops and research sites in Blair, Centre...
01 May 2017 - CZO Newsletter CZNews: Spring 2017
15 Aug 2016 - Investigators Ashlee Dere, University of Nebraska – Omaha, and Sam Nath, University of Oregon, begin field installations for two new erosion...
04 Jun 2014 - PhD candidates Katie Gaines and Ashlee Frederick led a group of 6th grade students from the Philipsburg-Osceola Middle School on a field trip to the...
26 Apr 2013 - Utilizing the Shale Hills CZO and beyond, four senior geosciene majors from the College of Earth and Mineral Science at Penn State presented...
27 Feb 2013 - It is with great pleasure we announce a fourth award has been granted on the RFP seed grant for collaborative research at Shale Hills. The...
04 Sep 2012 - The NSF sponsored CarbonEARTH (Educators and Researchers Together for Humanity) Fellowship Program teams Penn State STEM graduate students with...
27 Aug 2012 - It is with great pleasure we announce that Ashlee Dere, PhD Candidate Geosciences, has been awarded Winner of the poster and oral presentation...
Goldschmidt 2017 will be held in Paris, France on August 13-18, 2017.
Le Palais des Congrès de Paris, Paris, France.
Critical Zone Seminar Series - All Hands Fall 2012
117 EES Building.