Presentations

Oral Presentations
Presenter NameAuthorsInstitutionTitle
Nicolas Castro-Perdomo

Castro-Perdomo, N. jcastrop@iu.edu, Johnson, K.

 

Department of Earth and Atmospheric Sciences Indiana University Bloomington

 

Fault Complexity Controls Deformation Partitioning Between Faults and the Crust

Sayan Das

1Das, S. saydas@iu.edu, 1Yanites, B.J., 1Chiang, P-C., 1Johnson, K.M., 2Chuang, R.Y., 3McQuarrie, N. 

1Department of Earth and Atmospheric Sciences Indiana University Bloomington
2Department of Geography
National Taiwan University, Taipei, Taiwan
3Department of Geology and Environmental Sciences
University of Pittsburgh

What controls the topographic expression of active tectonics? Testing local rock uplift versus upstream sediment supply in Taiwan’s bedrock rivers

Namgay Dechen

1Dechen, N. ndechen@sycamores.indstate.edu, 1Speer, J.H. 2Shah, S.K.

1Department of Earth and Environmental Systems, Indiana State University
2Birbal Sahni Institute of Palaeosciences, Lucknow, India

Hydrological Reconstruction in Bhutan Using Previously Collected Tree-Ring Chronologies

Abigail Dischner

Dischner, A.L. adischn@iu.edu, Carlson, G.A., Ficklin, D.L. 

 

Department of Geography, Indiana University Bloomington

Assessing Streamflow Droughts in the United States using Remotely Sensed Total Water Storage Anomalies from GRACE/GRACE-FO

Rachel C. Iweka

1Iweka, R. riweka@iu.edu, 2Allred, S., 2Wang, V. and 1Filippelli, G.

 

1Department of Earth and Environmental Sciences, Indiana University Indianapolis
2Department of Geography and Environment, University of North Carolina at Chapel Hill

 

Geochemical Characterization of Trace Metal Contamination in Soil and Household Dust in Uniontown, Alabama

Ye Jing

Jing, Y. yejing@iu.edu, Li, Y., Edmonds, D.

 

Earth and Atmospheric Sciences, IUB

The creation of oxbow lakes depends on channel bifurcations dynamics

Eliza Joyce

Joyce, E. elizjoyce@iu.edu, Conrad, L., Kenderes, E.

 

 Earth and Atmospheric Sciences, Indiana University Bloomington 

 

Using Cryptotephra as a Geochemical Fingerprint for Miocene Volcanic Deposits in the Upper Renova Formation

 

Owen Madsen

Owen Madsen ofmadsen@iu.edu

Department of Earth and Atmospheric Sciences Indiana University Bloomington

A Guide to Building Successful Science Outreach Activities: Lessons from “Tree Time”

Max D. Richter

1Richter, M.R., 1Barth, A.P., 2Eddy, M.P.

1Department of Earth and Environmental Sciences Indiana University, Indianapolis, IN
2Department of Earth, Atmospheric, and Planetary Sciences Purdue University, West Lafayette, IN

Application of Multivariate Statistical Analyses to Ti-in-zircon Thermometry for the Big Bear Lake Intrusive Suite, California

Clara Zulu

1Zulu, C. czulu@sycamores.indstate.edu, 1Speer, J.H., 2Zampieri, N.

 

1Department of Earth and Environmental Systems Indiana State University
2Department of Geography Florida State University

Reconstructing stand age structure in a wet Miombo woodland and using Dendrochronology, AEL, Forest, Zambia

Poster Presentations
Presenter NameAuthorsInstitutionTitle
Rose Allen

Allen, R.C. allenro@iu.edu, Stevens Goddard, A.L.

Earth and Atmospheric Sciences, Indiana University Bloomington

U-Pb geochronology on Devonian-Pennsylvanian aged sandstones of the Michigan Basin

Elijah Arulandu

Arulandu, E.K. earuland@iu.ed 

 

Department of Mathematics Indiana University Bloomington

Cropland Coverage and Near-Surface Humidity: A RegCM5 Regional Climate Modeling Study

Kayla Blair

1Blair, K.P. kpblair@iu.edu, 2Bosco-Santos, A. 3Varona, N.S. 3Wallace, B.A., 3Walker, J.R. 4O’Beirne, M.D. 4Werne, J.P., 3Silveira, C.B. 1Gilhooly, W.P.

1Department of Earth and Environmental Sciences Indiana University Indianapolis
2Institute of Earth Sciences University of Lausanne, Switzerland
3Department of Biology University of Miami
4Department of Geology and Environmental Science University of Pittsburgh

Viral modulation of carbon recycling by sulfide oxidizing sulfur bacteria in euxinic lake mesocosms

Jeffrey Buell

Buell, J.D. jdbuell02@gmail.com, Latimer, J.C., and Gaines, R.A.

 

Department of Earth and Environmental Systems Indiana State University

Mineralogical Controls on Lead Bioavailability and Geochemical Partitioning in Amended Garden Soils

Dibya Chakraborty

Chakraborty, D. dibchak@iu.edu, Sheahan, S., Jacinthe, P.A.

Department of Earth and Environmental Sciences Indiana University Indianapolis

Nitrate Loss from Drained Agricultural Watersheds in Central Indiana: Effect of Tillage Practices

Maame Opokua Debrah

Debrah, M.O. modebrah@iu.edu, Nyarko, S.C.

Department of Earth and Environmental Sciences Indiana University Indianapolis

Geoscience Undergraduate Students’ Perceptions of Extractive Industries: A Mixed Method Educational Intervention

Allison Faulkner

Faulkner, A.M. allfaulk@iu.edu, Macris, C.A., Kenderes, S.M.

Department of Earth and Environmental Sciences Indiana University Indianapolis

Investigating the formation of glassy material on the Moon using aerodynamic levitation laser heating

Nora Gauss

Gauss, N.K. nkgauss@iu.edu, Kenderes, E.M.

Department of Earth and Atmospheric Sciences Indiana University Bloomington

Analyzing the Changing Impacts of Volcanic Eruptions due to Anthropogenic Climate Change

Seth Guidry

1Guidry, S. smguidry@iu.edu, 2Schlatter, P., 2Barjenbruch, D., and 3,4Tobin, D.

1Department of Geography Indiana University Bloomington
2NOAA National Weather Service, Denver/Boulder, CO
3Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder
4NOAA Weather Prediction Center, College Park, MD

Comparing Hourly Forecasts with Temperature Observations and Crash Data During Winter Weather Events in Colorado

Madiha Hassan

Hassan, M. mhassan6@sycamores.indstate.edu, Yost, C. and Latimer, J. 

 

Department of Earth and Environmental Systems Indiana State University

Phytolith-based reconstruction of vegetation variability over the Zambezi River basin using marine sediment core U1477, Expedition 361

Mel Humbarger1Humbarger, M.S. melhumba@iu.edu, 1Rader, S.T., 2Mastalerz, M.

1Department of Earth and Atmospheric Sciences Indiana University Bloomington
2Indiana Geological and Water Survey

 

Influence of biochar on metal uptake and isotopic fractionation in Brassica juncea

Kaylor Jasiak

Jasiak, K.A. kajasiak@iu.edu 

Department of Earth and Atmospheric Sciences Indiana University Bloomington

Petrographic and Geochemical Insights into an Igneous Intrusion within the Fordham Gneiss

Taryn Joest

Joest, T.E. tejoest@eagles.usi.edu, Elliott, W.E.

Geology, Physics, and Environmental Science Department University of Southern Indiana

Comparing historic plant fossil collections from Rush Creek at the Working Men’s Institute to specimens collected from the Bond Formation (Upper Pennsylvanian, Missourian) at the Old Dam Site, New Harmony, Posey County, Indiana

Annika Jorgenson

1Jorganson, A.A. aajorgen@iu.edu, 1Kelson, J.R., 2Bowen, G.J.

1Department of Earth and Atmospheric Sciences Indiana University Bloomington
2Department of Geology and Geophysics University of Utah

 

Modeling the source composition of soil waters using δ17O, δ18Ο, and δ2H

Delaney Kamstra

Kamstra, D. dekamstr@iu.edu, Porter, R., Shortt, M., and O’Brien, T.

 

Department of Earth and Atmospheric Sciences Indiana University Bloomington

Simulating severe weather outbreaks with the RegCM regional climate model

Isaac Morris

1Morris, I. ismorr@iu.edu, 1 Gilhooly, W. 2Tome, C.

1Department of Earth and Environmental Sciences, Indiana University Indianapolis
2Indiana State Museum and Historic Sites

Serial Sampling and Stable Isotope Analysis of Tusk Enamel Belonging to Flat-Headed Peccary

Jaylen Price

1Price, J.A. jprice59@sycamores.indstate.edu, 2Strieb, L.C., 2McGlue, M.M., and 1Latimer, J.

1Department of Earth and Environmental Systems Indiana State University
2Department of Earth and Environmental Sciences, University of Kentucky

Phosphorus Diagenesis in Lake Tanganyika Core TANG16-5B-1G

Bethany Remian

1Remian, B.R. bremian@iu.edu, 1Kelson, J.R., 2Monger, H.C.

1Department of Earth and Atmospheric Sciences Indiana University Bloomington
2Department of Plant and Environmental Sciences New Mexico State University

Influence of aridity in grassland-shrubland (C4-C3) transitions in southern New Mexico during the Holocene

John Rodwell

Rodwell, J.D. jrodwell@sycamore.indstate.edu, Speer, J.H., Winkler, L., Singh, R., and Singh, S.

Department of Earth and Environmental Systems Indiana State University

Stand-Age Reconstruction of Spring Mill State Park and Donaldson’s Woods Nature Preserve

Emily Throop

1Throop, E.M. ethroop@iu.edu, 1Edmonds, D.A., 1Yanites, B.J., 2Doane, T.H.

1Department of Earth and Atmospheric Sciences, Indiana University Bloomington
2Desert Research Institute, Las Vegas, Nevada

Quantifying the influence of tree throw and bedrock geology on soil rockiness

Hallie Townsend

Townsend, H. htownsend3@sycamores.indstate.edu, Latimer, J.C., Speer, J.

Department of Earth and Environmental Systems Indiana State University

Heavy Metal Analysis of Markle Mill Dam Sediments, Terre Haute, Indiana

Leslie Turpin

Turpin, L. ljturpin@iu.edu, Filippelli, G.M.

Department of Earth and Environmental Sciences Indiana University Indianapolis

Bioswales Within Urban Stormwater Systems: A Comparative Case Study Approach

Alejandra Davalos Valadez

Davalos Valadez, A.D. acdavalo@iu.edu 

Department of Earth and Atmospheric Sciences Indiana University Bloomington

Using Geodesy to Understand the Hydrologic Variations in Costa Rica

Eli VanDyke

1VanDyke, E. elivandy@iu.edu, 1Stevens Goddard, A.L., 2Leary, R., 2Anaya, J., 1Bowen, A., and 1Allen, R.

1Department of Earth and Atmospheric Sciences Indiana University Bloomington
2Earth and Environemtal Science New Mexico Institute of Mining and Technology

 

Sediment Routing and Provenance Evolution in Long-Lived Intracontinental Basins of Western Mongolia

2026 Crossroads Presentation Winners

Congratulations to the 2026 Crossroads presentation winners!

  • Best undergraduate poster: Isaac Morris

  • Best undergraduate talk: Eliza Joyce

  • Best Master's student poster: Rose Allen and Allison Faulkner

  • Best Master's student talk: Max Richter

  • Best PhD student poster: Eli Van Dyke

  • Best PhD student talk: Nicolas Castro-Perdomo