NSF award 2503544 · University of Tennessee Knoxville

Collaborative Research: Shifting Snow, Changing Flow--Quantifying Warming-Induced Seasonal Streamflow Changes in the Snow-Fed Columbia River over the Past 500 Years

Final report due

29 December 2027

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

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Dates this award owes

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Decide about an extension3 May 2027in 197 days
award ending 2027-08-31 · Research.gov
This one is ours, not NSF’s.
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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How we got this date

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: 2503544
Period of support: 1 Sep 2025 – 31 Aug 2027
Amount: $199,294
Awardee: University of Tennessee Knoxville, Knoxville, TN
Program: P4CLIMATE
Directorate: GEO

Abstract

Accumulation of snowpack and the timing of the melt in the mountains that feed the Columbia River Basin change both the timing of spring flood risks and the risk of drought in summer and fall. These changes in streamflow impact ecosystems, including salmon migration and reproduction, and challenge water management for agriculture and the property and livelihoods of populations in the Basin. Information about the…

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