在对岛屿面积效应研究时，探讨了不同面积岛屿的归一化植被指数及其不同等级岛屿斑块的景观格局。
When studied the area effect of islands, the values of NDVI of islands with different areas, and the landscape pattern of island patches with different grades of NDVI were studied.
研究结果表明：VBSI在估算山区的植被覆盖信息上可以降低影像阴影信息的干扰，总体误差是归一化植被指数NDVI 的50%；
The results show that: VBSI may decrease the error of vegetation fraction resulted from the area of image shadow, and the error is 50% less than that from NDVI.
通过对雪的光谱特征分析，提出利用归一化积雪被指数NDSI结合归一化植被指数进行积雪信息提取的方法。
By analyzing the spectrum characteristic of snow, a method of extracting snow information was suggested based on index of NDSI and NDVI.
归一化差值植被指数(NDVI)是植被生长状态和空间分布的指示因子，区域气候对植被生长起着重要作用，两者具有密切的相互关系。
NDVI is an indicator of vegetation growth and its spatial distribution, with has a close relationship with climate conditions.
本文利用杭州市1994年和2004年两个时相的TM影像，生成热岛分布图、归一化差值植被指数（NDVI）图。
The LandSat-5 TM images in 1994 and 2004 were used in this study to create UHI maps, normalized difference vegetation index(NDVI)maps.
本文利用杭州市1994年和2004年两个时相的TM影像，生成热岛分布图、归一化差值植被指数（NDVI）图。
The LandSat-5 TM images in 1994 and 2004 were used in this study to create UHI maps, normalized difference vegetation index(NDVI)maps.
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