density of canopy是什么意思

用法例句

4 mm,among them the throughfall,stemflow and canopy interception rate make up 72.

另外,林冠年截留量为345。

Forest canopy is regarded as a most direct and active interface between the forest and its outer environment.

林冠是森林与外界环境相互作用最直接和最活跃的界面层 ,同时 ,它本身又承载了森林生物多样性的主体部分。

Characteristics of solar radiation and its distribution above the canopy of tropical seasonal rain forest in Xishuangbanna, Southwest China;

为探讨热带季节雨林太阳辐射特征,利用西双版纳2003年热带季节雨林太阳辐射整年观测资料,统计、分析了热带季节雨林冠层太阳辐射能量平衡各分量的年、季节和日变化特征。

Edge effect of intercepted fog water by forest canopy at a rubber plantation in Xishuangbanna, Southwest China;

热带人工橡胶林林冠截留雾水的边缘效应研究

The study indicated that the average diameter and D~(50) of natural raindrops of outside rain were decreased along with enhanced rainfall intensity; the rainfall diameter distribution outside forest canopy was commonly lower than that of ins.

55 mm/h)气候条件下,林内降雨动能显著高于林外降雨动能,可初步认为在小雨强时林冠层对降雨能量有增大作用。

Combined with previous methods and research results on raindrop and started from the mechanism that rainfall generates energy,the changes of raindrop characteristics and rainfall energy outside and inside forest canopy in the area were analyzed.

35mm/h)气象条件下,林内降雨动能显著高于林外降雨动能,可初步认为在小雨强时林冠层对降雨能量有增大作用。

In order to understand the water conservation function of forest in the Three Gorges Region of Yangtze River and provide fundamental basis for vegetation construction of this region,the function of canopy interception of three main forest types based on the data from fixed sample plots in Jinyun Mountain in Chongqing City were studied.

为探讨长江三峡地区的森林水文作用,并为长江三峡的植被建设提供依据,研究重庆缙云山自然保护区3种森林类型典型林分的林冠截留作用。

4 mm: a) canopy interception was 67.

4 mm时,林冠截留量为67。

A Pinus tabulaeformis plantation in western Miyun Reservoir of Beijing city was observed and ana- lyzed to study canopy interception,throughfall,and stemflow.

对北京密云水库库西油松人工林的林冠截留、穿透降水和树干茎流的观测和分析结果表明,单次降雨过程中的林冠截留量与林外降水量呈幂函数关系,而穿透雨量和树干茎流量跟林外降水量皆呈线性相关关系,它们占林外降水的比例分别为7。

Sampling methods for insect diversity in forest canopy;

森林冠层昆虫多样性研究方法

Progress on sampling of forest canopy arthropods;

森林冠层节肢动物取样研究进展

Dynamic process of liquid phase sulfur and nitrogen in forest canopy under acid deposition.;

酸沉降影响下水相硫和氮在森林冠层的动态过程

The interception of rainfall by vegetation and the subsequent evaporation of intercepted water from canopy surface play an important rule in hydrological processes,water and energy balance of forest ecosystem.

为说明林冠截留的空间分布特征,揭示其空间异质性,采用网格状机械布设采样点测定穿透降雨量。

Studied on the interception and water holding function of six main forest types from four ecological layers in Zhushatu small watershed of Three Gorges Reservoir Area, then the comprehensive estimating has been made on the hydrological effect of the six forest types.

林冠截留量与降雨量之间具有极显著的幂函数关系。

The interception of rainfall by vegetation and the subsequent evaporation of intercepted water from canopy surface play an important rule in hydrological processes, water and energy balance of forest ecosystem.

为说明林冠截留的空间分布特征,揭示其空间异质性,采用网格状机械布设采样点测定穿透降雨量。

The functions of canopy interception on energy conversion processes in a Chinese Fir plantation ecosystem were studied with the long_term observation data in Huitong.

结果表明:林冠层每年吸收的辐射能为25。

The result shows that the canopy of natural forest has several effects on water quality.

通过对秦岭火地塘天然林林区大气降水和林内雨pH值等相关水质指标进行测试和对测试结果进行对比分析,发现天然林冠层对酸性降水有显著的调节作用,可使其酸性降低并趋于中性,而起关键作用的是林木的叶。

Based on the long-term location research of forest eco-system in Qilian Mountains, using theory of mathematical statistics and mathematical model to analyze data, this paper formulizes quantitative and qualitative changes of rainfall caused by canopy of Picea crassifolia, simulates interception model by canopy of Picea crassifolia.

在祁连山水源林生态系统长期定位研究的基础上 ,利用数理统计原理和数学模型对实测资料进行综合分析 ,阐述了青海云杉林冠层引起大气降水量变化和质变的水文功能 ,模拟出了青海云杉林冠截留降水模型。