Project Grant 2442209

Award Date 9/1/25
Completion Date 8/31/30
Dollars Obligated $649K
Federal Grant Program
47.078
Assistance Type
Project Grant
Place of Performance
Kent, OH 44242, USA
Similar Awards
This $334,856 National Science Foundation (NSF) Project Grant award to Kent State University supports research to study iron cycling in sediments in the Gulf of Alaska. The research aims to better understand the source of iron from sediments to the ocean water column in this high nutrient, low chlorophyll region, where iron limits primary productivity. The project will use a paired porewater and sediment geochemical approach to investigate the quantity, speciation, and remobilization processes...
This $248,140 project grant from the National Science Foundation's (NSF) Polar Programs will fund research into the role of ice sheet instability in marine carbon and nutrient cycling in the Eurasian Arctic. Over three years, Kent State University researchers will investigate links between past climate change events and land-sea-ice exchange pathways of carbon and nutrients using sedimentary records from the Yermak Plateau and Barents Sea slope. The project will determine how glacial retreat and...
This Project Grant award of $480,149 from the National Science Foundation's Geosciences Program (CFDA 47.050) supports a collaborative research effort between the University of South Florida and the University of Hawaii. The project will measure iron isotopes in seawater samples from the Pacific Ocean to better understand the sources, cycling, and biological impacts of iron, an essential nutrient that limits ocean productivity in large regions. Combining these iron isotope measurements with...
This federal Project Grant award of $191,150 from the National Science Foundation's (NSF) Polar Programs (CFDA 47.078) supports research by Florida State University (FSU) to investigate the role of benthic iron fluxes in fertilizing primary productivity in the Amundsen Sea, near the fastest melting Antarctic glaciers. The key objectives are to analyze sediment pore water iron content and speciation, and calculate iron fluxes across the sediment-water interface, to determine if benthic iron...
This Project Grant award of $369,916.00 from the National Science Foundation's (NSF) Geosciences Program (CFDA 47.050) supports collaborative research by the University of South Florida and the University of Hawaii to investigate the ocean iron cycle in the subtropical and equatorial Pacific. The research team will measure iron isotopes in seawater samples collected during several GEOTRACES expeditions to determine the sources, cycling, and transport of dissolved iron. This data will be...
This Project Grant award for $540,281 from the National Science Foundation's Geosciences Program (CFDA 47.050) supports a collaborative research project between U.S. and U.K. scientists to better understand the linkages between the oceanic cycles of iron and carbon. The research aims to characterize the "colloidal shunt" mechanism, whereby dissolved iron forms aggregates with organic carbon to create particulate matter that sinks out of the upper water column. The project will...
This Project Grant award from the National Science Foundation's Geosciences Program (CFDA 47.050) provides $562,895.00 to the Regents of the University of Minnesota to conduct collaborative research on the role of the "colloidal shunt" in mediating interactions between the ocean's iron and carbon cycles. The research aims to better characterize the mechanisms and linkages between dissolved organic carbon, iron-binding organic ligands, and the formation of particulate iron in the ocean....
This $691,259 Project Grant award from the National Science Foundation's Geosciences Program (CFDA 47.050) will support a collaborative research project to better understand the relationship between the oceanic cycles of iron and carbon. The award, titled "COLLABORATIVE RESEARCH: NSFGEO-NERC: THE COLLOIDAL SHUNT AS A CRITICAL NEXUS OF THE OCEAN IRON AND CARBON CYCLES," will be performed by researchers at Oregon State University. The project aims to characterize the "colloidal...
This $916,578 federal Project Grant awarded by the National Science Foundation's (NSF) Geosciences Program (CFDA 47.050) supports fundamental research to expand understanding of iron adaptation in marine phytoplankton across global oceans. The key objectives are to: Characterize iron storage capacities and limitation thresholds for 20 Synechococcus phytoplankton strains from 11 ecotypes across a range of ocean iron niches. Analyze gene regulation responses to varying iron availability for the 20...
This Project Grant award from the National Science Foundation's Geosciences Program (CFDA 47.050) is focused on investigating benthic iron fluxes in the Labrador Sea, a critical region for deep-water formation and biological carbon cycling. The $134,212 award to the Woods Hole Oceanographic Institution will support research to identify and quantify iron sources from ocean sediments to the overlying waters, using sediment sampling, pore water analysis, and numerical ocean circulation modeling....

This Project Grant award from the National Science Foundation's Polar Programs (CFDA 47.078) provides $649,136 to Kent State University to examine iron cycling on the northern Alaskan continental shelves. The research will determine the distribution of reactive iron within shelf sediments, the controls on iron remobilization, and links between iron cycling and other nutrients, toxic trace metals, and economically important metals. The project includes an oceanographic expedition to collect water column, sediment, and potential ferromanganese crust samples across four transects, paired porewater and sediment geochemical analyses, and paleoceanographic reconstructions of past iron cycling changes. The project will also provide educational and outreach activities for students at Kent State University and in Alaska. This award reflects the National Science Foundation's mission to advance fundamental knowledge about polar regions and their environmental systems.

Generated 8/5/25, 5:27 AM