森林资源亚健康状态的卫星遥感预警技术研究
武红敢,王成波,苗振旺,王文泉,王晓丽,米国兵

Study on Early Warning Technology of Sub-health State of Forest Resources with Spaceborne Remote Sensing
Honggan Wu,Chengbo Wang,Zhenwang Miao,Wenquan Wang,Xiaoli Wang,Guobing Mi
表3 异常程度分级表
Table 3 Classification of forest disturbance degree
植被指数健康轻度中度重度
△RGRI≤0.00-0.10.1-0.2≥0.2
△RVI≥0.00-0.1-0.1-0.25≤-0.25