基本信息
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职业迁徙
个人简介
I might consider myself a biogeochemist, a geobiologist, a microbial ecologist, or a variety of other things depending on whom I am talking to. Indeed, my work is multidisciplinary and involves elements of microbial ecology, biogeochemistry, and geology. In the broadest sense, I am interested in understanding the cycling of bioactive elements of the modern earth, and into the distant geological past. I am particularly interested in understanding how the chemistry of the Earth surface has changed through geologic time, and how this changing chemistry might have influenced the nature and structure of ecosystems and the evolution of life. This work takes us to modern environments including marine sediments, anoxic marine basins, and anoxic lakes. Our work also takes us to rocks deposited long ago. In total, we aim to understand how to read the chemical traces preserved in ancient rocks and how these traces can tell us of the nature of ocean and atmospheric chemistry.
We also explore modern microbes to understand how environmental variables like temperature, oxygen content, trace metal availability, or sulfate levels might influence their activity as well as the nature of any metabolic products they might leave behind. In this regard, we have been particularly interested in exploring the factors influencing isotopic fractionation associated with sulfur metabolism. Through this work we have been able to piece together the history of seawater sulfate concentrations and the relationship between sulfate levels and concentrations of atmospheric oxygen.
研究兴趣
论文共 399 篇作者统计合作学者相似作者
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COMMUNICATIONS EARTH & ENVIRONMENTno. 1 (2024): 1-7
Felicia J. Haase,Colton J. Vessey,Ryo Sekine, Nicholas J. C. Doriean,David T. Welsh, Joseph A. Otte, Jessica Hamilton,Donald E. Canfield,Yun Wang,Enzo Lombi,William W. Bennett
CHEMICAL GEOLOGY (2024): 121983
GEOCHIMICA ET COSMOCHIMICA ACTA (2024): 79-88
Felicia J. Haase,Ryo Sekine, Nicholas J. C. Doriean, Daryl L. Howard,David T. Welsh,Yun Wang, Jessica Hamilton,Donald E. Canfield,Enzo Lombi,William W. Bennett
ACS Earth and Space Chemistry (2024)
CHEMICAL GEOLOGY (2024): 121831-121831
Earth and Planetary Science Letters (2023): 118127-118127
Zenodo (CERN European Organization for Nuclear Research) (2023)
bioRxiv (Cold Spring Harbor Laboratory) (2023)
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