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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.
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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
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
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
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