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Postfire Burn Severity and Four-Month Vegetation Recovery Assessment Using NBR and NDVI: A Case Study of the Eaton and Palisades Fires

Authors:
Vivian Sultan
Andrew Pang

Keywords: Wildfire; ArcGIS; California

Abstract:
This study analyzes the effects of wildfire and postfire vegetation recovery in Southern California through a remote-sensing-based case study of the Eaton and Palisades Fires. Burn-scar area was calculated using Landsat 8/9 satellite imagery from January 6 and January 14, while vegetation regrowth was assessed using imagery from May 30. The Normalized Burn Ratio and its differenced form were used to classify burn severity. Normalized Difference Vegetation Index and its differenced form were used to track postfire vegetation regrowth. Results showed that 76% of the Eaton Fire area and 86% of the Palisades Fire area experienced low to high burn severity. However, vegetation regrowth differed drastically: Only 25% of land burned by the Eaton fire showed signs of regrowth, compared to 74% in Palisades. The findings demonstrate how remote sensing enables postfire monitoring to support ecological assessment.

Pages: 1 to 4

Copyright: Copyright (c) IARIA, 2026

Publication date: March 8, 2026

Published in: conference

ISSN: 2308-412X

ISBN: 978-1-68558-357-6

Location: Valencia, Spain

Dates: from March 8, 2026 to March 12, 2026