calculation of vegetation covering ratio

用法例句

A new branch of ecology called computational vegetation ecology(CVE)) is proposed.

初步提出了计算植被生态学这一新的生态学分支学科及其面向算法的计算机技术支持新方案,认为数据结构和算法研究是其核心研究内容之一。

According to the variation in the vegetation coverage,the authors divided Erlongshan Reservoir watershed into different areas where microclimates were observed in the spring to study their different microclimate comprehensive characteristics.

根据不同的植被覆盖率 ,对二龙山水库流域进行分区 ,并在春季组织小气候观测 ,研究不同小区的小气候综合特征。

On-ground filed work surveys of vegetation coverage are time consuming and expensive and produce low-precision results .

本论文以南京市南部城区为研究区域，探讨了分别运用TM图像与SPOT图像进行融合分类和对TM图像进行混合像元分解两种方法来提取小片林面积以计算植被覆盖率。

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.

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。

Based on the FCD mapping model, the fraction of green vegetation in Beijing mountain area was calculated using the Landsat-TM data (with two digital images taken in 1994 and 1999, respectively).

根据1994年和1999年的两期Landsat TM数据,在FCD Mapping model原理和方法的基础上,得到北京北部山区昌平、怀柔、密云和平谷的植被覆盖率图,并利用FRAGSTATS软件对所得的植被覆盖等级图从斑块大小、斑块数、斑块密度、斑块平均面积、分形维数和聚集度等角度进行了空间格局变化的剖析。

Quantitative information on the fraction of green vegetation is required in many studies of global and local change monitoring.

作为重要的生态气候参数，植被覆盖率是许多全球及区域变化监测模型中所需的重要信息。

Analysis of space-time characteristic of vegetation fraction in loss plateau of Northern Shaanxi based on remote sensing data;

基于遥感资料的陕北黄土高原植被覆盖率时空特征分析

However, to measure the vegetation fraction by fieldwork a job of wasting manpower and financial resources with low_precision work, which requires estimation of vegetation fraction from remote sensing data.

如何利用遥感资料估算植被覆盖率已成为建立全球及区域气候、生态模型的基础工作之一。

Planting and making forests is to raise the earth's vegetation plant cover rate.

植树造林﹐提高土地的植被覆盖率。

This is due to an increase in forest cover in the rich world.

这归功于发达地区森林植被覆盖率的增长。

Images Analysis of the Vegetation Coverage Changes in Yuyang District of Northern Shaanxi Province in the Recent 30 Years

陕北榆阳区1978年至2005年植被覆盖率变化分析

Research on the Desert Water Content,Frozen Soil Depth and Vegetal Cover in the Southern Margin of Junggar Basin at Early Spring

准噶尔盆地南缘初春沙漠含水率、沙漠冻土及植被覆盖率研究

Abstract: In southeast mountain area of China, the vegetation coverage is very high, it is much difficult to survey soils by remote sensing.

文摘:我国东南山区植被覆盖率高，进行土壤遥感调查困难重重。

THE ESTIMATION OF VEGETATION FRACTIONAL COVER AND ITS AFFECTING FACTORS BASED ON SURFACE EXPERIMENTS

基于地面试验的植被覆盖率估算模型及其影响因素研究

was green with vegetation,

覆盖着绿色的植被，

(botany) covered with tiny scales.

（植物学）被小鳞片覆盖的。

The hills are clothed with varied vagetation.

群山覆盖着各种植被。

sparsely covered with stunted trees or vegetation and underbrush.

被矮小的树、植被或丛林稀疏得覆盖。

(botany) covered with densely matted filaments.

（植物学）被浓密的毯状毛覆盖的。

covered with sedges (grasslike marsh plants).

被莎草所覆盖（像草一样的沼泽植物）。

Study of Mechanism between Vegetation Coverage and Soil Wind Erosion;

植被覆盖对土壤风蚀影响机理的研究

A Study on the Vegetation Cover Change in Horqin Sandy Land during the Recent 20 Years;

近20年科尔沁沙地植被覆盖变化研究

Spatial-Temporal Change of Vegetation in the Western Liaohe River Basin, Northeast China;

西辽河流域植被覆盖的时空变化研究

Analysis Vegetation Coverage Changes in Karst Area on RS and GIS;

基于RS和GIS岩溶地区植被覆盖度分析

The Picking Vegetation Fraction by SPOT5 DATA;

由SPOT5提取植被覆盖度技术研究

Method of Estimating Vegetation Coverage Based on Remote Sensing

基于遥感的植被覆盖度估算方法述评