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Posts by Collection
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publications
Drivers of δ18O variability preserved in ice cores from Earth’s highest tropical mountain
Published in Journal of Geophysical Research: Atmospheres, 2023
This paper presents the composite oxygen stable isotope records of the 2019 Huascarán ice cores.
Recommended citation: Weber, A. M., Thompson, L. G., Davis, M., Mosley-Thompson, E., Beaudon, E., Kenny, D., Lin, P.-N., and Sierra-Hernández, M. R. (2023). Drivers of δ18O variability preserved in ice cores from Earth's highest tropical mountain. Journal of Geophysical Research: Atmospheres. 128(19). DOI:10.1029/2023JD039006
Algorithms for SEM-EDS mineral dust classification
Published in Journal of Open Source Software, 2025
This paper presents software for analyzing SEM-EDS data in MATLAB for the purpose of identifying mineral particles.
Recommended citation: Weber, A. M. (2025). Algorithms for SEM-EDS mineral dust classification Journal of Open Source Software. 10(107). DOI:10.21105/joss.07533
In-situ characterization of dust nodules in ice cores from the Tibetan Plateau
Published in Microscopy and Microanalysis, 2025
This paper describes the cryo-SEM methods used to analyze dust particles entrapped in a Tibetan ice core.
Recommended citation: Veghte, D., Weber, A. M., Beaudon, E., and Thompson, L. G. (2025). In-situ characterization of dust nodules in ice cores from the Tibetan Plateau. Microscopy and Microanalysis. 31(7). DOI:10.1093/mam/ozaf048.966
On the influence of mineral dust on glacial albedo at Nevado Huascarán (Cordillera Blanca, Peru)
Published in Journal of Geophysical Research: Atmospheres, 2026
This paper presents the SNICAR-modeled radiative impacts of mineral dust at Nevado Huascarán.
Recommended citation: Weber A. M., Beaudon, E., Sierra-Hernández, M. R., Davis, M., Kenny, D., Shutkin, T. Y., & Thompson, L. G. (2026). On the influence of mineral dust on glacial albedo at Nevado Huascarán (Cordillera Blanca, Peru) Journal of Geophysical Research: Atmospheres. 131(7). DOI:10.1029/2025JD045574
talks
Using titanite (sphene) to determine the magmatic thermal histories of granites
Published:
Results from my REU study at the Smithsonian Institution in the summer of 2019. Poster was awarded 1st Place in the Geology category.
Microparticle analysis of a tropical ice core as a potential tool for assessing changes in Amazonian forest cover through time
Published:
Preliminary results from a Peruvian ice core reveal that forest cover changes within the Amazon Basin may be archived in the ice core mineral dust record.
Drivers of δ18O variability preserved in ice cores from Earth’s highest tropical mountain
Published:
Presentation on results published in the Journal of Geophysical Research: Atmospheres about water stable isotope and accumulation records preserved in ice cores from Nevado Huascarán (Peru).
Algorithms for mineral dust classification for SEM-EDS
Published:
On the development of an open source software package that allows users to work with SEM-EDS data in MATLAB for the purposes of identifying mineral particles and visualizing x-ray energy spectra.
Fast and accurate identification of minerals in ice cores
Published:
A computerized and machine learning approach to identifying mineral particles in ice cores using a scanning electron microscope with energy dispersive x-ray spectrometry (SEM-EDS).
In-situ characterization of dust nodules in ice cores from the Tibetan Plateau
Published:
Methodology of using cryo-SEM to view, image, and obtain elemental and crystallographic information on single particles entrapped in ice cores. Presented by Dan Veghte. Citation: Veghte, D., Weber, A. M., Beaudon, E., and Thompson, L. G. (2025). Microscopy and Microanalysis 37(7). https://doi.org/10.1093/mam/ozaf048.966
A 20,000 year history of mineral dust in a Peruvian ice core
Published:
An SEM-EDS analysis of more than 3000 single particles reveals major shifts in climatic and environmental conditions in the Peruvian Andes since the late glacial stage.
teaching
Graduate Teaching Associate
School of Earth Sciences, The Ohio State University, 2026
I served as a Graduate Teaching Associate in the School of Earth Sciences during three semesters. This included TA responsibilites for 4 separate courses and 8 total course sections. My cumulative student evaluation of instruction (SEI) score is 4.8/5.0.