NSF award 2503966 · University of Texas at Austin

Forced Changes in Tropical Pacific Variability from Glacial Times to the Future

Final report due

29 December 2028

in 803 days · The award ends on 31 August 2028.

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Decide about an extension3 May 2028in 563 days
award ending 2028-08-31 · Research.gov
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Extension request17 Jul 2028in 638 days
award ending 2028-08-31 · Research.gov
PAPPG 24-1: “at least 45 days prior to the end date”
No-cost extension notice21 Aug 2028in 673 days
award ending 2028-08-31 · Research.gov
PAPPG 24-1: “at least ten calendar days prior to the end date”
Final report due29 Dec 2028in 803 days
award ending 2028-08-31 · Research.gov
PAPPG 24-1: “no later than 120-days following the end date of the award”
Project outcomes report due29 Dec 2028in 803 days
award ending 2028-08-31 · Research.gov
PAPPG 24-1: “no later than 120 days following the end date”
Award is closed out29 Dec 2028in 803 days
award ending 2028-08-31 · 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 2028.
NSF rules say the final report is due no later than 120 days after that.
So the final report is due by 29 December 2028.

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Award card

Award number: 2503966
Period of support: 1 Sep 2025 – 31 Aug 2028
Amount: $1,227,787
Awardee: University of Texas at Austin, Austin, TX
Program: P4CLIMATE
Directorate: GEO

Abstract

The El Niño Southern Oscillation (ENSO) is a dominant source of year-to-year variability in temperature and rainfall affecting many regions of the world. The response of ENSO to external forcing varies in different climate models. Therefore, it is critical to test the fidelity of those models with records of past ENSO behavior from archives such as corals and cave deposits. However, there are few records of ENSO…

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