２０１７年釜石山林火災を対象としたSentinel 2A NDVIによる焼損度解析

抄録

The 2017 Kamaishi forest fire occurred for 14 days from 8th till 22nd May 2017 and the total burned area was 413ha which is greater than the total burnt area for the whole Japan in 2016. The burned area was estimated based on burned and unburned area. However, in the burned area itself, there were differences of fire severity observed. The objective of this research was to estimate the fire severity in this burned area using Sentinel 2A Normalized Difference Vegetation Index (NDVI) and post fire observation of scorch crown height, hs and relative scorch crown height, hsr. The results shows NDVI and hsr has stronger relationship than NDVI and hs, suggesting NDVI is more sensitive towards hsr.