NSF award 2524674 · Louisiana State University

Collaborative Research: constraining the role of benthic nepheloid layers in altering benthic fluxes of trace elements in the Labrador Sea

Final report due

30 April 2029

in 925 days · The award ends on 31 December 2028.

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Final report due30 Apr 2029in 925 days
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Project outcomes report due30 Apr 2029in 925 days
award ending 2028-12-31 · Research.gov
PAPPG 24-1: “no later than 120 days following the end date”
Award is closed out30 Apr 2029in 925 days
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So the final report is due by 30 April 2029.

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Award card

Award number: 2524674
Period of support: 1 Jan 2026 – 31 Dec 2028
Amount: $445,830
Awardee: Louisiana State University, Baton Rouge, LA
Program: Chemical Oceanography
Directorate: GEO

Abstract

Benthic nepheloid layers (BNLs) are persistent layers of enhanced particle concentrations near the seafloor. Intense BNLs of a few hundred meters thick have been observed globally and may significantly influence the cycling and overall budget of sediment-sourced trace elements and isotopes (TEIs). BNLs can act as elemental sources or sinks, potentially enhancing or suppressing elemental fluxes across the…

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