Environmental Biogeochemistry
Dr. Julia Perdrial
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Faculty:
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Dr. Julia Perdrial, PI

Contact me with any questions about collaborations, internships, available instrumentation and analyses.

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Graduate students:

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Bren Cable, MS ​works on the CZ network cluster “Using Big Data approaches to assess ecohydrological resilience across scales” on the effect of soil mineralogy on carbon and nutrient retention.
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Niara Hicks, MS ​works on the CZ network cluster “Using Big Data approaches to assess ecohydrological resilience across scales” on the connection between hydrology and biogeochemistry. 
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Undergraduate Researchers: 
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Dina Cordes, is working on her honor thesis on winter dynamics under snow on the CZ network cluster “Using Big Data approaches to assess ecohydrological resilience across scales”. 
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Elliott Bloom, works as lab assistant on on the CZ network cluster “Using Big Data approaches to assess ecohydrological resilience across scales” and analyzes a variety of data and manages data upload to Hydroshare. 
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Alumni:
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Manya Ruckhaus,​ MS (2022)
Manya worked on the CZ network cluster “Using Big Data approaches to assess ecohydrological resilience across scales” on carbon and nutrient dynamics using long-term data and experiments.

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Caitlin Bristol, MS (2021)
Caitlin investigated how soil aggregates sequester carbon in subnival soils in a combined lab and field study (Project: "Combining Complex Systems Tools, Process-Based Modelling and Experiments to Bridge Scales in Low Temperature Geochemistry" and “Using Big Data approaches to assess ecohydrological resilience across scales”).

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Brittany Lancellotti, PhD (2021)
Brittany investigated nutrient cycling in riparian zones using a newly installed sensor network and experiments (Project: "VT EPSCoR Research Infrastructure Improvement (RII). “Basin Resilience to Extreme Events (BREE)epscor.w3.uvm.edu/epscor/").

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Thomas Adler,​ MS (2020)
Thomas successfully complete his thesis “Drivers of Dissolved Organic Carbon Mobilization From  Forested Headwater Catchments: A Multi Scaled Approach” for which he combined statistical analyses of long term datasets with targeted experiments (Project:"Combining Complex Systems Tools, Process-Based Modelling and Experiments to Bridge Scales in Low Temperature Geochemistry"). 
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Max Landsman-Gerjoi, MS (2019)
Max finished investigationg fluorescence derived proxies for bioavailability in a combined lab and field study and successfully defended his thesis in 2019.

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Malaiyka Cincotta, MS (2018)
Malayika successfully defended her MS project on dissolved organic matter characteristics in soil solution at Sleepers River in 2018 and is off to new adventures.

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Jesse Armfield,
​ MS (2018)

Jesse successfully defended his MS project on  weathering in acid impacted environments in 2018 and is off to new adventures with the USGS.

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Alyson Hampsch, MS (2017)
Allison successfully defended her MS thesis “Using aqueous soil extracts to study organic matter leaching from soils of different river corridor land cover in Vermont”.

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Lindsey Stinson: Lindsey conducts batch experiments on soils to determine the role of solution chemistry and minerals in DOC release.(Project:"Combining Complex Systems Tools, Process-Based Modelling and Experiments to Bridge Scales in Low Temperature Geochemistry"). ​

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Ari Libenson:
Ari used laser diffraction to determine changes in  aggregate size in soils from Sleepers River during simulated recovery from acidification.


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Ellie Sovic: Ellie is working on the EPSCoR project and investigates carbon and nutrient dynamics in the Lake Champlain Watershed.

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Alex Gagnon: ​Alex investigates soil composition and mineralogy by landscape position in the Sleepers River Watershed.

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Bryan Stolzenburg
Bryan is working with Caitlin on DOC mobilized from subnival soils, he presented preliminary results during the student research conference (Project: "Combining Complex Systems Tools, Process-Based Modelling and Experiments to Bridge Scales in Low Temperature Geochemistry" and “Using Big Data approaches to assess ecohydrological resilience across scales”).

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Aaron Shaviz: Aaron is working on his Honors thesis "Mechanisms of carbon and nutrient release from acid impacted soils: Investigating competitive sorption and aggregate dispersion" where he focuses on carbon and P release.

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Sara Mecca: Sara uses aqueous extracts from soils of the EPSCoR wetland sites to determine the impact of solution chemistry on DOC release to streams.

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Morgan Schwartz: Morgan used experiments to determine how swelling clay minerals impact microbial carbon processing.

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Carli Beisel:
​Carli determines changes in fluorescence spectroscopic properties of DOC during incubation of leaf litter extracts

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Brandon Follansbee: Brandon analyzes ground water samples from seepage samples for major cations and P to determine nutrient delivery to lakes through ground water inputs.

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Jack Ehrenkranz: Jack combined a field project with lab based work and contributed the project “Do soil organo-mineral aggregates drive stream water carbon fluxes?” Jack also assisted with the installation of sensors and samplers for the EPSCoR project on “Basin Resilience against Extreme Events”.

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David Jaeger: David tested the importance of moist vs. dry soil sampling on DOM quality in the lab in 2015.

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Christine Loughlin
Christine determined carbon and metal content as well as water extractable organic matter characteristics on wetland soils in 2013/2014.

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Mae Kemsley, Intern
Mae worked on sampling and processing soils from the Mad River Valley during her second summer internship (2014 and 2015).

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Ingrid Evans: Ingrid finished her project "The impact of solution composition of the fluorescence properties of dissolved organic matter extracted from stream bank soils" .


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Pat Sullivan: Pat assisted with aqueous soil extracts and analysis over the summer 2015.

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  1. Ben Wilkes: Ben conducted a field project  “Do soil organo-mineral aggregates drive stream water carbon fluxes?” and assisted with the installation of sensors and samplers for the EPSCoR project on “Basin Resilience against Extreme Events”.

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Aundrea Dolan, Lab Assistant
Aundrea kept the lab running in 2013: she prepared sampling vessels for field campaigns, processed samples and helped with a variety of analyses.

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