亚洲西南部的气候变化更为微妙，因为它们涉及到山地雪线、降雨模式和植被覆盖率的变化。
The climatic changes in southwestern Asia were more subtle, in that they involved shifts in mountain snow lines, rainfall patterns, and vegetation cover.
克勒珀林说，那些用栅栏围住、防止羊群进入的地方植被已经逐渐复苏，植被覆盖率更是达到了前所未有的水平。
Areas that have been fenced to keep out the goats, says Kröpelin, have seen vegetation rebound, and are greener than ever before.
癌症发病率出现了下降，一度贫瘠的山上重新长出了一些植被。
Cancer rates have dropped off, and some brush has returned to once-barren hills.
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。
The maps are based on vegetation index data from the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite.
覆雪表面具有高的反射率；土壤的反射率由高到低变化较大；植被表面和海洋的反射率较低。
Snow covered surfaces have a high albedo; the albedo of soils ranges from high to low; vegetation covered surfaces and oceans have a low albedo.
黄土高原地区严重的水土流失与该区植被覆盖率低有密切的关系。
Soil erosion in the loess area relates to low vegetation cover rate in this region.
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 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%.
植被覆盖特征影响光合作用和反照率，是表面能量估计中的主要因素。
Vegetation cover attributes play a major role in surface energy budgets through their impact on photosynthetic processes and albedo.
本文介绍了使用普通数码相机并用常用的图像处理软件测量叶面积指数和植被覆盖率的方法，阐明摄像和图像处理的基本要求及人工干预操作。
This paper presents the method of how to measure the leaf area index and the percentage of vegetation by using the general digital camera and image processing most in use.
涞源县植被属华北植物区系，现有植被大部分为灌草丛，其次是天然次生林和人工林，森林覆盖率为18.24%。
Vegetation is Laiyuan County of North China flora, the majority of existing vegetation for irrigation in the bushes, followed by natural secondary forest and plantation, forest coverage is 18.24%.
这对于唐家河这种植被覆盖率高，地形复杂的自然保护区，旅游资源的调查评价尤为困难。
The course of tourism resource investigation and evaluation is much more trouble for Tangjiahe Nature Reserve with higher vegetation overcast and up-and-down landform.
选择植被可以让过率的光线进入到建筑物里去。
利用模拟降雨装置，研究了演替恢复初期不同植被覆盖以及不同处理下坡面降雨的产流过程和入渗率。
In this study, simulating rainfall was applied to study the runoff process and infiltration rate of soil under the cover of vegetation at the preliminary succession stages.
随着侵蚀性暴雨动能的增加，植被对径流能量的削减率逐渐减弱。
With eroded rainfall energy increasing the cut rate of vegetation for erosion gradually weak.
风蚀率随植被盖度的减少呈指数增加。
Erosion rate increases exponentially with vegetation coverage reduction.
还叙述了在测量植被覆盖率时如何选择分辨率及其影响。
It also narrates how to select resolving power as well as effects in the measurement of the percentage of vegetation.
其存在的重要问题是：水资源匮乏，植被破坏严重，覆盖率低等；
There are main eco-enviromental problems of short of water resource, vegetation destruction and lower vegetation cover.
植被覆盖率达到80%以上，就似一颗绿色的明珠，在茫茫沙区散发着夺目的光彩。
More than 80% of vegetation coverage, it like a green pearl in the vast sand area exudes eye-catching brilliance.
植被含碳率的确定对精确估算陆地生态系统中的植被碳库数量，进而研究区域碳循环有着非常重要的意义。
It is very important for accurate estimation of plant carbon pool in terrestrial ecosystem and further research of regional carbon cycle to determine carbon content of vegetation.
通过室内水槽模型试验，探讨了有低矮植被生长的河道糙率变化、时均流速的垂线分布以及紊动强度的垂向变化规律。
By the indoor flume model experiment, the changing law of vertical velocity distribution and turbulent intensity of submerged vegetation channel linings are discussed.
通过对西南喀斯特地区典型土壤的饱和导水率的分析，研究了喀斯特地区不同植被退化类型下土壤的饱和导水率及其影响因素。
The soil saturated hydraulic conductivity in different vegetation degeneration type and its influential factors in southwest karst region of China were studied.
论文基于局地热平衡条件和组分有效发射率概念探讨了连续植被的热辐射方向性模型。
Based on the local thermal equilibrium and component effective emissivity concept the radiant model of continuous vegetation has been studied.
城市植被覆盖率与城市建设、城市化及人类活动强度有着密切关系，对城市环境的影响巨大。
The rate of the urban vegetation has to do with the urban construction, urbanization and the intensity of the human activities closely and has great influence on the urban environment.
从长期来说，森林植被的氮增长率与大气氮输入之间无明显的相关性。
In the long run, there is no obvious correlation between forest vegetation nitrogen increment and atmospheric nitrogen deposition.
土壤背景对植被覆盖率估算有较大的影响，这种影响在植被生长初期最大，即暴露土壤较多时。
Soil background of vegetation is very important to the C retrieval, especially during the beginning growth with much exposed soil.
本文利用高分辨率IKONOS数据，绘制了内蒙古准格尔旗五分地沟小流域植被景观图，并分析不同尺度的景观格局。
In the present paper, we use high-resolution IKONOS data to plot the vegetation mapping at fine scale in Wufendi gouge basin located at Zhunger, Inner Mongolia.
林草覆盖率越高，植被对侵蚀的绝对控制能力越强，否则流域地形因素的影响亦不可忽视。
The larger grass and forest coverage, the stronger the absolute control capacity of vegetation on soil erosion, or influencing factors about topography may not be ignored.
本文通过直剪试验，研究边坡土壤含水率对不同植被类型土壤抗剪强度的影响。
Through shear test, effects of slope soil water content on soil shear strength of different vegetation were studied.
当家畜的放牧时间和载畜率类似于草原生态系统进展下的模式时，草地可保持它的生产力和植被组成。
It is concluded that range ecosystems may sustain their productivity and composition when grazing time and stocking rate resemble the grazing pattern representing the ecosystem progressing.
春季风大风多，降雨量少，气候侵蚀力高，地表植被覆盖率低，土壤表层由于冻融作用变的松散，是一年最易风蚀的季节。
The wind erosion hazard is often intensified by the poor vegetation cover and loosen surface soil due to the freezing and thawing over winter.
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