Katey Walter Anthony

Katey Walter Anthony. An American ecologist and biogeochemist renowned for her pioneering research on greenhouse gas emissions from Arctic wetlands and lakes. Her work has fundamentally advanced the understanding of climate feedback loops in the permafrost regions, particularly the role of methane from thermokarst lakes. She is a professor at the University of Alaska Fairbanks and an affiliate professor at the University of Florida.

Early life and education

Walter Anthony developed an early interest in environmental science while growing up in California. She completed her undergraduate studies at the University of California, Santa Barbara, earning a degree in environmental studies. Her academic path then led her north to Alaska, where she pursued graduate work at the University of Alaska Fairbanks. Under the mentorship of prominent Arctic researchers, she earned both her Master of Science and Doctor of Philosophy degrees, focusing her dissertation on biogeochemical cycles in Siberian lakes.

Career and research

Following her PhD, Walter Anthony conducted postdoctoral research, further investigating carbon cycling in high-latitude ecosystems. She joined the faculty of the University of Alaska Fairbanks, where she holds a joint appointment in the Water and Environmental Research Center and the Institute of Northern Engineering. Her research program extensively utilizes field campaigns across the Arctic, including in Alaska, Canada, and Russia, combined with remote sensing and modeling techniques. A significant portion of her work examines the interactions between thawing permafrost, landscape evolution, and the release of ancient carbon stores.

Methane emissions from Arctic lakes

Walter Anthony's most notable scientific contributions center on quantifying and explaining methane release from Arctic lakes, especially thermokarst lakes formed by ground-ice melt. Her team's research, published in journals like Nature Geoscience and Proceedings of the National Academy of Sciences, demonstrated that these lakes are hotspots for methane production, often releasing ancient carbon previously locked in permafrost for millennia. She pioneered methods to safely ignite this gas, creating dramatic visual demonstrations of the issue for documentaries and educational outreach. Her findings are critical for improving climate models used by the Intergovernmental Panel on Climate Change and inform policies related to global warming predictions.

Awards and recognition

For her impactful research, Walter Anthony has received several prestigious awards. She is a recipient of the National Science Foundation's CAREER Award, a top honor for early-career faculty. She has also been recognized by the Alaska Conservation Foundation for her science communication efforts. Her work has been featured by major media outlets including National Geographic, The New York Times, and the BBC, and she has presented her findings to bodies like the U.S. Congress and the United Nations.

Selected publications

* Walter Anthony, K.M., et al. (2016). "Methane emissions proportional to permafrost carbon thawed in Arctic lakes since the 1950s." *Nature Geoscience*. * Walter Anthony, K.M., et al. (2012). "Estimating methane emissions from northern lakes using ice-bubble surveys." *Limnology and Oceanography: Methods*. * Walter Anthony, K.M., et al. (2018). "21st-century modeled permafrost carbon emissions accelerated by abrupt thaw beneath lakes." *Nature Communications*. * Walter Anthony, K.M., & Vas, D.A. (2014). "Exploring methane-emitting ecosystems of the Arctic." In *Treatise on Geochemistry*. * Walter, K.M., et al. (2007). "Methane bubbling from northern lakes: present and future contributions to the global methane budget." *Philosophical Transactions of the Royal Society A*.

Category:American ecologists Category:University of Alaska Fairbanks faculty Category:Climate change scientists Category:Biogeochemists