NSF award 2508421 · University of California-Santa Barbara

Collaborative Research: Reconstructing Ocean Sedimentation Rate Variability to Improve Age Estimates for Paleoclimate Data

Final report due

29 December 2027

in 437 days · The award ends on 31 August 2027.

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Decide about an extension3 May 2027in 197 days
award ending 2027-08-31 · Research.gov
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Extension request17 Jul 2027in 272 days
award ending 2027-08-31 · Research.gov
PAPPG 24-1: “at least 45 days prior to the end date”
No-cost extension notice21 Aug 2027in 307 days
award ending 2027-08-31 · Research.gov
PAPPG 24-1: “at least ten calendar days prior to the end date”
Final report due29 Dec 2027in 437 days
award ending 2027-08-31 · Research.gov
PAPPG 24-1: “no later than 120-days following the end date of the award”
Project outcomes report due29 Dec 2027in 437 days
award ending 2027-08-31 · Research.gov
PAPPG 24-1: “no later than 120 days following the end date”
Award is closed out29 Dec 2027in 437 days
award ending 2027-08-31 · Research.gov
PAPPG 24-1: “financially closed out 120 days after their expiration date”

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NSF lists this award's end date as 31 August 2027.
NSF rules say the final report is due no later than 120 days after that.
So the final report is due by 29 December 2027.

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Award card

Award number: 2508421
Period of support: 1 Sep 2025 – 31 Aug 2027
Amount: $308,843
Awardee: University of California-Santa Barbara, Santa Barbara, CA
Program: Marine Geology and Geophysics
Directorate: GEO

Abstract

The seafloor sediment provides an important archive of information about Earth’s past. Sediment accumulates nearly continuously for thousands to millions of years. Interpreting the geologic and environmental changes recorded by these sediments relies on knowing the age of each sediment layer. Researchers often use software to create “age models” that estimate sediment age and the uncertainty of that age. This…

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