NSF award 2603541 · University of Arkansas

Collaborative Research: Precipitation and Streamflow Reconstruction and Analysis in the Amazon River Basin

Final report due

28 January 2028

in 467 days · The award ends on 30 September 2027.

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Decide about an extension2 Jun 2027in 227 days
award ending 2027-09-30 · Research.gov
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Extension request16 Aug 2027in 302 days
award ending 2027-09-30 · Research.gov
PAPPG 24-1: “at least 45 days prior to the end date”
No-cost extension notice20 Sep 2027in 337 days
award ending 2027-09-30 · Research.gov
PAPPG 24-1: “at least ten calendar days prior to the end date”
Final report due28 Jan 2028in 467 days
award ending 2027-09-30 · Research.gov
PAPPG 24-1: “no later than 120-days following the end date of the award”
Project outcomes report due28 Jan 2028in 467 days
award ending 2027-09-30 · Research.gov
PAPPG 24-1: “no later than 120 days following the end date”
Award is closed out28 Jan 2028in 467 days
award ending 2027-09-30 · 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 30 September 2027.
NSF rules say the final report is due no later than 120 days after that.
So the final report is due by 28 January 2028.

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Award card

Award number: 2603541
Period of support: 1 Oct 2025 – 30 Sep 2027
Amount: $267,007
Awardee: University of Arkansas, Fayetteville, AR
Program: P4CLIMATE
Directorate: GEO

Abstract

Tree ring reconstruction of paleoclimate in the tropics is challenging because tropical trees rarely have reliable annual banding. Consequently, the climate history of tropical areas like the Amazon of South America is poorly known, including how recent flood and drought extremes are typical of natural climate fluctuations, or if they are attributable to global climate warming and deforestation. Cedrela odorata has…

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