Calculation of damage in forests using Sentinel-2

Data from Senitnel-2 after atmospheric correction were used to determine forest damage caused by the storm. On the territory of Poland the destruction took place on 11-12 August 2017. In order to determine the area of destruction images before and after the storm were taken. Then the supervised classification was implemented for data from both dates. The area of damage was calculated on the basis of the classification result, the area of forests classified on the image before the storm and afterwards allowed to determine the area of losses. Links to the presentation: http://fabspace.pl/wp-content/uploads/2017/11/1_Wprowadzenie_a.pdf http://fabspace.pl/wp-content/uploads/2017/11/1_Wprowadzenie_b.pdf http://fabspace.pl/wp-content/uploads/2017/11/2_Klasyfikacja.pdf http://fabspace.pl/wp-content/uploads/2017/11/3_Platforma.pdf本研究采用经过大气校正（atmospheric correction）的哨兵二号卫星（Sentinel-2）数据，用于研判风暴引发的森林损毁状况。此次森林损毁事件发生于2017年8月11日至12日的波兰境内。为精准测算损毁范围，研究团队获取了风暴前后的遥感影像。随后对两个观测时段的影像数据开展了监督分类（supervised classification）。基于分类结果计算损毁区域面积：结合风暴前影像中分类得到的森林面积与灾后影像的分类结果，即可推算出森林损失总面积。 相关演示文稿链接如下： http://fabspace.pl/wp-content/uploads/2017/11/1_Wprowadzenie_a.pdf http://fabspace.pl/wp-content/uploads/2017/11/1_Wprowadzenie_b.pdf http://fabspace.pl/wp-content/uploads/2017/11/2_Klasyfikacja.pdf http://fabspace.pl/wp-content/uploads/2017/11/3_Platforma.pdf