NSF award 2521997 · California Institute of Technology

Collaborative Research: NSF R2I2: Coastal Resilience through Effective Versatile Adaptation and Sediment Strategies for Sea-Level Rise Engagement (CREVASSE)

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
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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: 2521997
Period of support: 1 Sep 2025 – 31 Aug 2027
Amount: $182,646
Awardee: California Institute of Technology, Pasadena, CA
Program: R2I2: Resilience Incubators
Directorate: GEO

Abstract

Mud from the Mississippi River built the vast wetlands of Louisiana. Nearly 2000 sq. miles of these wetlands have become open water since the 1930s, wiping out coastal communities and leaving others vulnerable to natural hazards. Crevasses – cuts in the river levee where water and mud flow into the surrounding wetlands are a proven, economical tool for rebuilding these wetlands. River managers have historically…

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