leaf area index

The development of optical imaging Simulation is introduced, and space remote sensing image simulation process based on the leaf area index and other surface parameters is studied in the paper, which anglicizing the surface reflectivity, atmospheric radiation transfer and optical sensor theory.

本文在系统地介绍了国内外光学成像仿真技术发展概况的基础上，分别对地表反射率生成、大气辐射传输、光学传感器原理进行了分析，提出基于叶面积指数等地表参数的航天遥感图像仿真流程。

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the leaf area index ( lai), a key parameter with seasonal variation in vegetation dynamics, is simulated by icm and compared with the modis data.

重点对反映植被动力学的关键参数&叶面积指数（LAI）的模拟结果与观测进行了对比分析，评估了ICM对LAI季节变化特征的模拟能力。

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Decline in Bamboo Leaf Area Index as Affected by Management Disturbance

经营干扰对雷竹叶面积指数的影响

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The leaf area index ( LAI) was higher at booting and anthesis stage under the treatment with early sowing date and large sowing quantity in broadcast sowing ( SD1Q3 and SD2Q3). while decreased rapidly after anthesis.

较早播种大播量的撒播（SD1Q3或SD2Q3）小麦在孕穗期及开花期时具有较大的叶面积指数（LAI），但在开花后其LAI却迅速下降。

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Estimation of coniferous forest leaf area index along the Oregon transect using CASI data

用CASI遥感数据估计横跨美国俄勒冈州针叶林叶面积指数

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According to components of Alfalfa canopy, it calculates the absorbing radiation proportion f of plant canopy, concludes that there are a good linear relationship between f and leaf area index from branchy term to maturity, and sets up the model of dry matter production.

根据冠层中各分量计算作物冠层吸收的辐射比例f，得出紫花苜蓿从抽苔分枝期到成熟期（f）和叶面积指数（LAI）之间有很好的线性关系，并建立干物质生产模型。

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In this paper, the multi-angle hyperspectral CHIRS data is used to inverse leaf area index. Through the analysis of hyperspectral and multi-angle sensor CHRIS, estimate leaf area index.

本文利用多角度高光谱CHIRS数据对森林叶面积指数进行反演研究；通过对CHRIS传感器高光谱、多角度特点的分析，估算叶面积指数。

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they could significantly increase the net photosynthesis rate, inhibit the ineffective transpiration, slow the downtrend of chlorophyll content and leaf area index.

三种抗旱节水剂均能显著提高作物的净光合速率（Pn），抑制无效蒸腾，减缓叶绿素相对含量（SPAD）和叶面积指数（LAI）的下降趋势。

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Varietal Differences in Optimum Leaf Area Index and Optimum Total Spikelet Number in Rice

水稻最适叶面积指数和总颖花数的品种差异

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Study on Measuring Leaf Area Index of Summer Maize Based on Image Processing Technique

基于图像处理技术的夏玉米叶面积指数估算方法研究

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it contains six desertification evaluation factors such as the soil moisture, leaf area index, vegetation index, soil texture, occupation ratio of bare sandy and population density. 2.

其中包含了土壤湿度、土壤质地、裸沙占地百分比、叶面积指数、植被指数和人口密度六个荒漠化评价因子。

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moreover, there were appropriate leaf area index and higher photosynthetic rate of flag leaf at medium row-spacing treatment.

此外，中等行距配置群体具有适宜的叶面积指数和较高的剑叶光合速率；

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This new metric, the green plot ratio ( GPR), is based on a common biological parameter called the leaf area index ( LAI), which is defined as the single-side leaf area per unit ground area.

这个新指标&绿色容积率（GPR）是以一个通常被称作叶面积指数（LAI）的生物参数作为基础，该参数被定义为每单位地块面积上的单面叶面积总和。

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the variation of net primary production and leaf area index over xinjiang autonomous region and its response to climate change

新疆植被生产力与叶面积指数的变化及其对气候的响应

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the leaf area index ( lai) of vegetation is one of the most important structure parameters used in the ecological system studies and one of the key parameters used in estimating the varied function process of vegetation canopy.

植被的叶面积指数（LAI）是植被最重要的生态参数之一，也是估算多种植被冠层功能过程的关键参数。

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The solar altitude decided the changes of instantaneous extinction coefficient and leaf area index effected the changes of the daily extinction coefficient.

太阳高度角决定了消光系数的日变化过程，而生长季内消光系数的变化主要由叶面积指数的不断变化而引起；

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Based on the experiment data of summer maize in Irrigation Experimental Station of Northwest A& F University during 2001~ 2004, a normalized model between leaf area index ( LAI) and accumulated temperature was developed.

通过对连续4a夏玉米叶面积指数的研究，建立了夏玉米叶面积指数与积温之间的归一化模型，提出了精确的且唯一确定的归一化方法。

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Estimating Leaf Area Index of Wheat Canopy from 6-dimensional Spectral Greenness Value

用六维光谱绿度值估算小麦的叶面指数

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the plant chubbiness index, total plant leaf area index and bract area index with 4 and 5 branches were similar, but higher than those of plants with 3 branches;

植株丰满度、总叶面积指数、苞叶面积指数等指标4、5侧枝处理植株没有差异，但均优于3侧枝处理；

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Super rice is characterized by high population density, high leaf area index and needing much fertilizer.

超级稻具有群体密度大，叶面积指数高，施肥量多等特点。

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Thus it is feasible to determine plant transpiration by non-weighing lysimeter covered with bitumen felt in arid desert areas, and is successful from a leaf level scale to a plant population level based on effective canopy and leaf area index.

从而说明，在干旱沙漠区利用蒸渗池表面覆盖油毡测定植物蒸腾是可行的，以叶面积指数和有效盖度为基础进行叶片水平与种群水平间的尺度转换是成功的；

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Meanwhile, comparison of compound cultivation to cluster redpepper showed that photosynthetic rate and root activity were increased, while dry matter accumulation of per stem and leaf area index was decreased.

复合种植模式下天鹰椒的光合速率、根系活力等指标高于天鹰椒单作模式，而干物质积累、叶面积低于天鹰椒单作。

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A study on the leaf area index of Hevea brasiliensis stand

关于巴西橡胶树林叶面积指数的研究

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Leaf area index under high-yield method was higher than general traditional culture in early rice and late rice, at heading stage, leaf area index under any processing attained the highest point.

早、晚稻高产模式叶面积指数均高于一般农户模式，各处理均在抽穗期达到最大值。

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The change tendency of Leaf Area Index ( LAI ) was single peak curve.

叶面积指数的生育动态呈一单峰曲线.

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leaf area index measurement of pinus elliotii plantation

湿地松林叶面积指数测算

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They had higher total spikelet number, leaf area index ( LAI) and crop growth rate ( CGR), as compared with other genotypes.

高产品种的总颖花量、LAI及群体生长速率（CGR）都较高。

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report on measurement of leaf area index of low subtropical forests by using digital plant canopy imager

利用数字植物冠层图象分析仪测定南亚热带森林叶面积指数的初步报道

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studies on photosynthetic product accumulation and leaf area index in a complex population of companion cropping of corn and peanut

玉米花生间作复合群体的光合物质积累与叶面积指数变化

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Leaf area index had an exponential regression relationship with canopy porosity.

叶面积指数与林冠孔隙度呈指数相关.

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