The vegetation index is a reflection of photosynthesis.
“植被指数”是对光合作用强度的反映。
Scientists also rely on the Normalized Difference Vegetation Index (not shown) to observe vegetation.
科学家根据标准化植被指数对植被进行了观测（未显示在上图）。
The impacting degree of tourism activities on vegetation was confirmed by Impact Vegetation Index (IVI).
本研究以植被影响指数（IVI）来衡量旅游活动对植被的影响。
The extreme rain brought floods, but it also turned the desert green, as shown in this vegetation index image.
罕见的暴雨导致了洪水的到来，但同时也将沙漠染成了绿色，该变化在这幅植被指数图中得到很好体现。
Based on this model, we reversely deduced the potential vegetation index of Jinhe River Basin and proposed.
通过该模型反衍出了泾河流域潜在植被指数，提出以该指数为基础的植被冗亏格局的评价新方法。
MODIS vegetation index is a factor of the best indicators between state of vegetation growth and vegetation cover.
MODIS植被指数是植被生长状态及植被覆盖的最佳指示因子，也是季节变化和人为活动影响的重要指示器。
The vegetation index (NDVI) and leaf area index (LAI) are two key important land vegetation ecosystem status parameters.
植被指数(NDVI)和叶面积指数(LAI)是两个非常重要的陆地生态系统植被状态参数。
The optimum vegetation index and methods for collecting vegetation information in loess plateau area were studied and appraised.
研究评价了适于黄土高原地区植被信息提取的最佳植被指数和方法。
The maps are based on vegetation index data from the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite.
该地图是根据NASA泰拉(Terra)卫星的中分辨率成像光谱仪(MODIS)的植被指数数据制作的。
Normalized difference vegetation Index (NDVI) is one of the main characteristic descriptors indicating land surface vegetation cover.
植被归一化指数(NDVI)是地表植被覆盖特征的重要指标之一。
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。
With the larger pixel scale, standard deviation of LAI increased, but the correlation coefficients of vegetation index and LAI are not reduced.
随着像元尺度变大，LAI的标准差增大，但植被指数与LAI的相关系数并不降低。
Typical vegetation in eastern Asia and MODIS data were used to characterize newly-developed Enhanced Vegetation Index(EVI) and widely-used NDVI.
利用东亚地区典型地带性植被和MODIS数据，对广泛使用的植被指数NDVI和新开发的增强型植被指数EVI进行了对比分析。
The vegetation in forest area, in which has the highest vegetation index, the impact of annual change of precipitation on surface vegetation was slight.
对于林区植被，降水的年际变化对地表植被的影响比较小，森林区植被指数最高；
This proves that it is feasible to use the technology of derivative spectrum and the method of vegetation index to monitor the pigment concentration and growth of rice.
这表明，用微分光谱技术与植被指数方法来监测水稻的色素含量和长势应该是可行的。
Plant condition assessment using remote sensing techniques have been associated with spectral vegetation indices such as the normalized difference vegetation index (NDVI).
用遥感技术进行植物评估可与光谱植被指数联系起来，如规一化差分植被指数NDVI。
The correlationship between VEGETATION index and feature factors of forest resources is the basis that this remote sensing data will be used in forest resources monitoring.
VEGETATION植被指数与森林资源特征因子之间的相关性是该遥感数据用于森林资源监测的基础。
Selecting the proper classification features, the primary crop types in North China could be identified through the analysis of the vegetation index time series in growth season.
通过对作物生长期内植被指数变化曲线分析，选择合适的分类特征，进行华北地区主要作物类型识别。
Based on MODIS NDVI, this paper studied the variation trend of vegetation index in the years of 2000 to 2004 in Ningxia area using quantitative remote sensing technique and slope method.
采用定量遥感技术及斜率法，以全球植被指数MODISNDVI数据作为数据源，对宁夏地区2000—2004年期间的植被指数变化幅度及变化趋势进行了研究。
The results showed that the methods on soil moisture monitoring by remote sensing, which are mainly stood for by improved thermal inertia, CWSI and vegetation index, are becoming mature.
以改进的热惯量法、作物缺水指数法和植被指数法等为主要代表的土壤水分遥感监测方法日臻成熟。
Shaoxing county is taken for example, quantitative and qualitative analysis are carried out based on vegetation index charts of typical seasons , and some important, results are obtained.
以绍兴县为例，通过几个典型季节的植被指数图，进行了定量和定性的分析，获得了有实际意义的结果。
If the relative variability of cumulative vegetation index and cumulative precipitation during the winter wheat growth cycle is adopted, the correlation coefficient between both is raised.
如果取冬麦生育期的累积植被指数和累积降水量的相对变率则其间的相关系数将提高。
Next, vegetation index was calculated which was based on Band 3 and Band 4 of TM image, and degree of vegetation coverage was extracted according to NDVI based on the transformation model;
其次，利用TM影像的第四和第三波段计算植被指数，根据植被指数按照转换模型提取植被覆盖度；
Furthermore, the variation of spectral vegetation index of winter wheat under different nitrogen levels and the correlation between agronomic parameters and spectral variables were analyzed.
在此基础上分析了不同氮素水平冬小麦生育期内的光谱植被指数的变化，并分析了农学参数与植被指数之间的相关性。
The ratio vegetation index(RVI)method is combined with field survey of insect pest to determine critical values of RVI for different degrees of disaster and the judgement accuracy reaches 73%.
利用比值植被指数（RVI）分析法，与实地虫灾调查相结合，找出了受虫灾影响后不同灾害程度的RVI临界值，判对率为73%。
The Leaf Angle Distribution (LAD) and Leaf Area Index (LAI) are important descriptors of the vegetation canopy.
叶面倾角分布（LAD）和叶面积指数（LAI）是植被冠层结构的重要参量。
Leaf area index (LAI) is not only an important attribute of land surface vegetation system, but also a key parameter for the models of global water balancing and carbon circulation.
叶面积指数LAI不仅是陆表植被系统的一个重要属性，而且是全球水平衡、碳循环等模型中的重要输入参数。
The vegetation cover and management factor ( C ) in the universal soil loss equation (USLE) is an index to evaluate this effect, which has been studied deeply and used widely.
通用土壤流失方程（USLE）中的植被覆盖与田间管理因子（C）是评价这种抑制作用的有效指标，并被广泛采用和深入研究。
The monitoring index system include such content as meteorology, vegetation, soil, bird, animal, soil and water loss, population, land using, livestock raising, economy and so on.
监测指标体系包括气象、植被、土壤、地形地貌、鸟类、兽类、水土流失、人口、土地利用、畜牧、经济等内容。
The isopleth of water and thermal product index not only showed better relation to thermal and water gradients but also to vegetation types.
综合了热量和水分差异的水热积指数等值线与热量梯度和水分梯度均有一定的对应性，与植被类型的对应也较好。
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