Jamie M. Lydersen

Contact Info


Pacific Southwest Research Station
USDA Forest Service
1731 Research Park Drive
Davis, California 95618, USA

Publications in Fire Ecology

Relating Fire-Caused Change in Forest Structure to Remotely Sensed Estimates of Fire Severity
Pages: 99-116
DOI: 10.4996/fireecology.1203099

Fire severity maps are an important tool for understanding fire effects on a landscape. The relative differenced normalized burn ratio (RdNBR) is a commonly used severity index in California forests, and is typically divided into four categories: unchanged, low, moderate, and high. RdNBR is often calculated twice—from images collected the year of the fire (initial assessment) and during the summer of the year after the fire (extended assessment).  [Read More]

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