Assistant Curator, Earth Sciences
Carla Rosenfeld is the assistant curator of Earth Sciences in the section of Minerals and Earth Sciences. Carla received her Ph.D. in Soil Science and Biogeochemistry from Penn State and a B.S in Chemistry from McGill University. She also worked as a postdoctoral fellow at the Smithsonian National Museum of Natural History Department of Mineral Sciences and University of Minnesota Department of Earth and Environmental Sciences.
Carla is an environmental biogeochemist whose research uses tools from mineralogy, geochemistry, and microbiology to study how pollutants and nutrients behave in the environment. Her research focuses on mining and other human-impacted environments and aims to understand plant-microbe-mineral interactions that influence bioavailability and mobility of metal contaminants. Carla’s work combines field- and lab-based investigations and she has projects studying microbial biominerals, their mechanisms of formation, and their role in bioremediation, as well as impacts of soil or sediment geochemistry on microbial ecology, and plant-microbe feedbacks on environmental processes.
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Rosenfeld, C.E, Sabuda, M.C.,Hinkle, M.A.G., James, B.R., Santelli, C.M. A fungal mediated cryptic selenium cycle linked with manganese biominerals. Environmental Science and Technology 54(6): 3570-3580doi: 10.1021/acs.est.9b06022
Ng, G.-H.C., Rosenfeld, C.E., C.M. Santelli, Yourd, A.R., Lange, J., Duhn, K.D., Johnson, N.W. Microbial and reactive transport modeling evidence for hyporheic flux-driven cryptic sulfur cycling and anaerobic methane oxidation in a sulfate-impacted wetland-stream system. Journal of Geophysical Research – Biogeosciences 125(2): e2019JG005185 doi: 10.1029/2019JG005185
Rosenfeld, C.E James, B.R., Santelli, C.M. (2018) Selenium in reclaimed mine soils alters fungal and bacterial community structure and diversity. Applied and Environmental Microbiology 84(16): e01394-18 doi:10.1128/AEM.01394-18
Rosenfeld, C.E., Chaney, R.L. and Martínez, C.E. (2018) Soil geochemical factors regulate Cd uptake by metal hyperaccumulator Noccaea caerulescens (J. Presl & C. Presl) F.K. Mey in field-contaminated soils. Science of the Total Environment 616-617:279-287 doi: 10.1016/j.scitotenv.2017.11.016
Rosenfeld, C.E., Kenyon, J., James, B.R., Santelli, C.M. (2017) Selenium (IV, VI) reduction and tolerance by fungi in an oxic environment. Geobiology, 15(3): 441–452. doi:10.1111/gbi.12224.
Rosenfeld, C.E., Chaney, R.L., Tappero, R.V. and Martínez, C.E. (2017) Micro-scale investigations on soil heterogeneity: Impacts on Zn retention and uptake in Zn contaminated soils. Journal of Environmental Quality, 46(2): 373-383 doi:10.2134/jeq2016.05.0184
Rosenfeld, C.E. and Martínez, C.E. (2015) Dissolution of mixed amorphous-crystalline Cd-containing Fe coprecipitates in the presence of common organic ligands. Environmental Chemistry. 12(6): 739-747. doi: 10.1071/EN14223
Rosenfeld, C.E., McCormack, M.L. and Martínez, C.E. (2014) A novel approach to study composition of in situ produced root- derived dissolved organic matter. Soil Biology and Biochemistry 76:1-4 doi: 10.1016/j.soilbio.2014.04.026