This National Science Foundation (NSF) Division of Ocean Sciences project grant, CFDA # 47.050 Geosciences, will support collaborative research to decipher the mechanisms of marine nitrous oxide (N2O) cycling in the Arabian Sea using stable isotopes, molecular markers, and in-situ rate measurements. The $809,222 award to the Woods Hole Oceanographic Institution, a private non-profit research organization, will fund field work during the summers of 2024 and 2025, including a cruise of...
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...
This $292,831 project grant awarded by the National Science Foundation's Geosciences program aims to simultaneously measure nitrous oxide (N2O) production and consumption in ocean environments with varying dissolved oxygen levels. The research will be conducted by Arizona State University and will: 1) quantify N2O production and consumption rates as dissolved oxygen decreases from oxic to anoxic conditions, 2) determine the degree to which N2O consumption in anoxic zones balances increased...
The National Science Foundation (NSF) Division of Ocean Sciences awarded a $467,675 Project Grant to the University of South Carolina (USC) under the Geosciences program (CFDA 47.050) to study nitrous oxide cycling in the Arabian Sea. The award supports research to quantify rates of nitrous oxide production and consumption in marine oxygen-deficient zones using stable isotopes, molecular markers, and in-situ incubation experiments. The project will involve a team of U.S. and Indian...
This $387,090 Project Grant award from the National Science Foundation's Geosciences Program (CFDA 47.050) will support a collaborative research project to enhance understanding of nitrogen cycling in deep-sea hydrothermal vent ecosystems. The project will employ specialized equipment to conduct nitrogen cycling experiments under high-pressure conditions at seafloor vent habitats, addressing limitations of prior studies conducted at atmospheric pressure. The work will measure rates of...
This $625,065 Project Grant award from the National Science Foundation's Geosciences Program (CFDA 47.050) will support a research project at the Woods Hole Oceanographic Institution to investigate how the availability of the micronutrients iron and copper impact the physiology and nitrous oxide production of ammonia oxidizing bacteria and archaea.
The researchers plan to use stable isotopes of nitrogen and oxygen as tools to better understand the underlying controls on nitrous oxide...
The National Science Foundation Division of Ocean Sciences awarded a $313,465 Project Grant under the Geosciences federal grant program (CFDA 47.050) to The Marine Biological Laboratory in Woods Hole, Massachusetts for the period of April 1, 2022 through March 31, 2025.
The grant will support research examining the potential importance of intracellular nitrate cycling in nitrogen cycling within marine sediments. The awardee will measure rates of intracellular nitrate cycling and other major...
The University of Massachusetts Dartmouth received a $336,586 Project Grant from the National Science Foundation's (NSF) Geosciences program (CFDA 47.050) to conduct collaborative research on deciphering the mechanisms of marine nitrous oxide (N2O) cycling. The research team, which includes one postdoctoral investigator, two graduate students, and several undergraduates, will use stable isotopes, molecular markers, and in-situ rate measurements to study N2O production and consumption in the...
This Project Grant award from the National Science Foundation's Geosciences Program (CFDA 47.050) will support collaborative research to enhance understanding of nitrogen cycling in deep-sea hydrothermal vent ecosystems. The $141,748 award to Lehigh University will employ specialized high-pressure equipment to measure nitrogen loss, recycling, and microbial assimilation across redox gradients at two distinct seafloor vent habitats. The research aims to address inaccuracies in previous...
The National Science Foundation awarded a $280,354 project grant under its Geosciences program to Florida State University (FSU) to investigate sedimentary nitrous oxide (N2O) production and consumption in the Northern Benguela Upwelling System off the west coast of Africa. The 3-year project will utilize multi-isotope tracing and microbial ecology approaches to determine the net sediment-water column flux of N2O, production and consumption rates, and the link between measured rates and...