KF
Member Since 1987
Kate H. Freeman
Evan Pugh University Professor , The Pennsylvania State University
AGU Research
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Spatial and Temporal Patterns in Petrogenic Organic Carbon Mobilization During the Paleocene‐Eocene Thermal Maximum
PALEOCEANOGRAPHY AND PALEOCLIMATOLOGY
31 january 2024
Emily Hollingsworth, Felix J. Elling, Marcus P. Ba...

The Paleocene‐Eocene Thermal Maximum (PETM) was a transient global warming event and is recognized in the geologic record by a prolonged nega...

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Microbially Mediated Gypsum Precipitation in Hot-Spring Outflows at Acquasanta Terme, Italy
SUBAQUEOUS OCEANIC AND CONTINENTAL HYDROTHERMAL SYSTEMS: GEOCHEMISTRY, HYDROLOGY, BIOLOGY, AND STRUCTURE I POSTER
volcanology, geochemistry and petrology | 14 december 2023
David M. Davis, Juliana Olsen-Valdez, Peter Methle...
Acquasanta Terme, located in the Marche region of central Italy, is home to sulfidic thermal cave systems and tens of meters of Pleistocene travertine...
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Method development for kinetic degradation of uracil for position-specific stable carbon isotope analysis
AGU IMPACT: 2023 STUDENT TRAVEL GRANT RECIPIENTS FLASH PRESENTATIONS IV
union sessions | 11 december 2023
Esther Muñoz, Christopher House, Katherine H. Free...
The NASA Astrobiology Strategy has inspired research towards characterizing the biosignature threshold of organic molecules. Difficulties with determi...
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Travertine deposits reveal a range of biotically and abiotically precipitated microfacies
CARBONATE SEDIMENTS THROUGH TIME: PROCESS OF DEPOSITION AND DIAGENESIS I POSTER
paleoceanography and paleoclimatology | 11 december 2023
Hemani Kalucha, Connor van Wieren, Christopher Gre...
Formation of travertineterrestrial carbonates typically formed in association with hot springsis controlled by water flow rate, CO2 degassing, and mic...
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Resolving kinetics of organic oxygen isotope exchange between phenol and enriched water
EXPLORING THE INTERSECTION OF EARLY EARTH ENVIRONMENTS, PREBIOTIC CHEMISTRY, AND LIFE’S EMERGENCE III POSTER
planetary sciences | 11 december 2023
Eric M. Hasegawa, Katherine H. Freeman, Max K. Llo...
Extraterrestrial organic molecules are important building blocks for prebiotic chemistry. However, the nature and conditions (e.g., temperature, times...
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Storage, Transport, and Fate of Perfluoroalkyl Acids (PFAAs) in a Wastewater Reuse and Groundwater Recharge System
WATER RESOURCES RESEARCH
21 september 2023
Kalle L. Jahn, Demian M. Saffer, Katherine H. Free...

Perfluoroalkyl acids (PFAAs), a group of synthetic compounds associated with adverse human health impacts, are commonly found in effluent discharge...

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Intramolecular 13C/12C Measurements of Decane and Phytane via GC-Orbitrap-MS with Peak Trapping
ORGANIC COMPOUNDS AS ENVIRONMENTAL PROXIES: DEVELOPMENT, CALIBRATIONS, AND APPLICATIONS III POSTER
paleoceanography and paleoclimatology | 13 december 2022
Paul Volante, Youki J. Sato, HAO XIE, Allison A. B...
The high mass resolving power of Orbitrap mass spectrometry separates isotopologue ion fragments of organic biomarkers and enables isotope ratio analy...
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Paleolake Lipid Biomarker Records of Environmental Conditions during Mid-Neolithic Human Habitation (Dalmatia Coast, Croatia)
SEDIMENTARY RECORDS OF HOLOCENE CLIMATE AND ENVIRONMENTAL CHANGE II POSTER
paleoceanography and paleoclimatology | 12 december 2022
Emma Hartke, Katherine H. Freeman, Sarah McClure
The mid-Neolithic/Early Holocene experienced both pronounced climate trends and significant impacts from human activity. Landscape disturbance by earl...
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