青海湖流域植被绿度时空变化及影响因素

王明宇, 吴成永, 陈克龙

Spatiotemporal changes of vegetation greenness and their influencing factors in the Qinghai Lake Basin

Mingyu Wang, Chengyong Wu, Kelong Chen

表2 植被绿度驱动因素判定标准及贡献率

Table 2 Criteria and contribution rates of the driving factors for vegetation greenness

Slope(NDVI_obs)	驱动因素	驱动因素判定标准		驱动因素的贡献率/%
Slope(NDVI_obs)	驱动因素	Slope(NDVI_CC)	Slope(NDVI_HA)	气候变化	人类活动
>0	CC&HA	>0	>0	$\frac{S l o p e (N D V I_{C C})}{S l o p e (N D V I_{o b s})}$	$\frac{S l o p e (N D V I_{H A})}{S l o p e (N D V I_{o b s})}$
	CC	>0	<0	100	0
	HA	<0	>0	0	100
<0	CC&HA	<0	<0	$\frac{S l o p e (N D V I_{C C})}{S l o p e (N D V I_{o b s})}$	$\frac{S l o p e (N D V I_{H A})}{S l o p e (N D V I_{o b s})}$
	CC	<0	>0	100	0
	HA	>0	<0	0	100