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Unveiling Fire History Through Sediment Records

Explore the dynamic fire history through sediment records with focus on charcoal accumulation rates, thresholds, peaks, and residual charcoal. Data from Code Lake, AK offers valuable insights.

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Unveiling Fire History Through Sediment Records

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  1. Fire history from continuous sediment records |------- 1 cm -------| 1. Charcoal acc. rate (CHAR) 2. Background CHAR CHAR (# cm-2 yr-1) Years before present (x 1000) P. E. Higuera Data from Code Lake, AK: Higuera et al. 2009, Ecological Monographs

  2. Fire history from continuous sediment records |------- 1 cm -------| 1. Charcoal acc. rate (CHAR) 2. Background CHAR CHAR (# cm-2 yr-1) 3. Residual CHAR (background removed) 4. Threshold 5. Peaks Years before present (x 1000) P. E. Higuera Data from Code Lake, AK: Higuera et al. 2009, Ecological Monographs

  3. Fire history from continuous sediment records |------- 1 cm -------| 1. Charcoal acc. rate (CHAR) 2. Background CHAR CHAR (# cm-2 yr-1) 3. Residual CHAR (background removed) 4. Threshold 5. Peaks “Biomass burned” “Area burned” “Fire frequency (fire/yr)” “Fire return interval (yr)” “Mean fire return interval (yr)” Years before present (x 1000) P. E. Higuera Data from Code Lake, AK: Higuera et al. 2009, Ecological Monographs

  4. Fire history from continuous sediment records |------- 1 cm -------| 1. Charcoal acc. rate (CHAR) 2. Background CHAR CHAR (# cm-2 yr-1) 3. Residual CHAR (background removed) 4. Threshold 5. Peaks “Biomass burned” “Area burned” “Fire frequency (fire/yr)” “Fire return interval (yr)” “Mean fire return interval (yr)” Years before present (x 1000) P. E. Higuera Data from Code Lake, AK: Higuera et al. 2009, Ecological Monographs

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