NSF award 2622237 · Cary Institute of Ecosystem Studies, Inc.

STAR: Knowledge-Guided Machine Learning to Study Global Rivers and Nitrous Oxide

Final report due

29 December 2028

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

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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: 2622237
Period of support: 1 Sep 2026 – 31 Aug 2028
Amount: $399,093
Awardee: Cary Institute of Ecosystem Studies, Inc., Millbrook, NY
Program: Org Interaction & Ecology
Directorate: BIO

Abstract

Nitrous oxide is a gas found naturally in the atmosphere that has the potential to negatively affect agricultural and ecosystem productivity. Rivers and streams are an important but poorly understood source of nitrous oxide emissions, because reactive nitrogen enters waterways and has the potential to produce nitrous oxide. Current estimates of how much nitrous oxide rivers produce vary by a factor of more than…

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