The National Science Foundation awarded a $209,385 Project Grant to the Woods Hole Oceanographic Institution from November 1, 2021 to April 30, 2023 under the Geosciences program (CFDA 47.050). The grant will support research to constrain nitrogen sources and recycling efficiency in hot subduction zones using fluid inclusions in mineral separates from mafic lavas. The Geosciences program seeks to strengthen the national scientific enterprise through expanded fundamental knowledge and...
This $195,997 Project Grant awarded by the National Science Foundation's Geosciences program (CFDA 47.050) to Brown University will support collaborative research on understanding nitrogen cycling in subduction zones. The project aims to provide new constraints on the distribution and behavior of nitrogen as it is subducted into the Earth's mantle and then potentially returned to the surface through volcanic activity. Key planned activities include measuring nitrogen composition in subduction...
This Project Grant award from the National Science Foundation's (NSF) Biological Sciences program (CFDA 47.074) provides $491,409 to President & Trustees of Williams College to conduct research on how nitrogen fertilization impacts soil carbon formation and cycling in northern deciduous forests. The key products and services to be delivered include: Leveraging a field experiment to investigate the biogeochemical mechanisms underlying soil carbon responses to nitrogen enrichment across...
This Project Grant award from the National Science Foundation's Geosciences Program (CFDA 47.050) will support research to evaluate the role of the continental crust as a reservoir for Earth's nitrogen and constrain the nitrogen abundance of primitive arc magmas. The $193,980 award to the University of Arizona will fund a 5-year project to analyze nitrogen content in rock samples from California and Arizona, and perform experiments to understand how nitrogen is partitioned between lower...
This $387,090 Project Grant, awarded by the National Science Foundation's Geosciences Program (CFDA 47.050), will support a collaborative research effort to enhance understanding of nitrogen cycling in deep-sea hydrothermal vent ecosystems. The project will employ specialized high-pressure equipment to conduct experiments measuring rates of nitrogen loss, recycling, and microbial assimilation across redox gradients at two distinct seafloor vent habitats. This work aims to address limitations...
This National Science Foundation project grant of $328,355 will fund research into nitrogen isotope dynamics on the Amundsen Sea continental margin in Antarctica under the Geosciences program (CFDA 47.050). Trustees of Boston College, doing business as Boston College, will collect full water column profiles of nitrogen and oxygen isotope ratios in nitrate along with isotope ratios of total dissolved nitrogen at select stations during the U.S. GEOTRACES GP17-ANT expedition. Suspended particle...
The National Science Foundation (NSF) Division of Ocean Sciences awarded a $343,290 Project Grant to the Woods Hole Oceanographic Institution (WHOI) for a 2-year Postdoctoral Fellowship. The grant, funded under the NSF Geosciences (CFDA 47.050) program, will support research to characterize the composition of the Pacific mantle using nitrogen and noble gas isotopes. Specifically, the project will analyze oceanic basalt samples from seamounts near the East Pacific Rise to identify recycled and...
This $582,005 Project Grant award from the National Science Foundation's Geosciences Program (CFDA 47.050) supports research by The Trustees of Princeton University to investigate nitrous oxide (N2O) consumption in the surface ocean. The research aims to determine the factors that control or stimulate N2O reduction in surface waters and characterize the microbes responsible for the process. Specifically, the investigators will perform 15N tracer incubations to measure the rate of N2O reduction...
The National Science Foundation (NSF) awarded a $385,643 project grant under the Geosciences program (CFDA 47.050) to the University of Vermont & State Agricultural College to investigate magma diversification and mobilization processes in the lower continental crust. The 3-year research project will link field mapping, microstructural analysis, geochemistry, and geochronology to test competing models for how magmas form and are extracted from the deep roots of continental arcs. The...
This National Science Foundation (NSF) Geosciences Program (CFDA 47.050) project grant awarded to Lehigh University provides $141,748 to investigate nitrogen cycling in deep-sea hydrothermal vent ecosystems. The 3-year project, beginning September 1, 2024, will employ specialized high-pressure equipment to measure rates of nitrogen loss, recycling, and microbial assimilation across redox gradients at seafloor vent habitats. This research aims to enhance understanding of how these extreme...