To derive the post-fire albedo trajectory, we calculated the mean albedo of all 1
km pixels that burned in a specific year for each 16-day MODIS interval. We did not
include years for which there were fewer than 10 fire pixels or less than 2 fires. We
constructed a pre-fire control albedo (shown by a dash dotted line in Fig. 2 in the main
text) from the mean of all pixels within interior Alaska that did not burn during 1950-
2003 and that were identified as evergreen conifer vegetation (34).