NSF award 2605570 · Colorado State University

RAPID: Wildfire-induced changes to fluvial hydraulics and geomorphology in the Grand Canyon

Final report due

28 November 2027

in 406 days · The award ends on 31 July 2027.

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Decide about an extension2 Apr 2027in 166 days
award ending 2027-07-31 · Research.gov
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Extension request16 Jun 2027in 241 days
award ending 2027-07-31 · Research.gov
PAPPG 24-1: “at least 45 days prior to the end date”
No-cost extension notice21 Jul 2027in 276 days
award ending 2027-07-31 · Research.gov
PAPPG 24-1: “at least ten calendar days prior to the end date”
Final report due28 Nov 2027in 406 days
award ending 2027-07-31 · Research.gov
PAPPG 24-1: “no later than 120-days following the end date of the award”
Project outcomes report due28 Nov 2027in 406 days
award ending 2027-07-31 · Research.gov
PAPPG 24-1: “no later than 120 days following the end date”
Award is closed out28 Nov 2027in 406 days
award ending 2027-07-31 · 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 July 2027.
NSF rules say the final report is due no later than 120 days after that.
So the final report is due by 28 November 2027.

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Award card

Award number: 2605570
Period of support: 1 Feb 2026 – 31 Jul 2027
Amount: $43,659
Awardee: Colorado State University, Fort Collins, CO
Program: WaLCZ-Water, Land, & Crit Zone
Directorate: GEO

Abstract

The 2025 Dragon Bravo Fire burned more than 580 square kilometers of watersheds in the Grand Canyon. As a result, large volumes of coarse sediment may be delivered to the Colorado River over the coming years. The burned areas are now highly susceptible to post-fire flash floods and debris flows. Upon reaching the river, the materials moved by these events can form debris fans that constrict the river channel,…

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