albedo

Initial Validation of MODIS Albedo Product by Using Field Measurements and Airborne Multiangular Remote Sensing Observations

地面和机载多角度观测数据的反照率反演及对MODIS反照率产品的初步验证

Study on the hypothesis of albedo on the relationship between clear-sky planetary and surface albedos over the Qinghai-Xizang Plateau

行星反照率的取值和假设的讨论青藏高原晴空行星反照率与地面反照率关系的研究

Some important charateristics of surface albedo of China in recent years

近年来我国地面反射率的若干重要特征

Relationships between global radiation, surface albedo and solar elevation angle for several underlying surfaces in the Heihe experimental area

黑河实验区若干下垫面总辐射、地表反射率与太阳高度角的关系

Using Landsat and CBERS images as two data sources, each pixel was dealt as a mixture of vegetation, high-and low-albedo and bare soil, impervious surface was extracted with linear spectral mixture model, landuse information was determined with supervised classification method.

采用Landsat、中巴资源卫星两种遥感影像数据，每个像元均可视为由高反照度地物、低反照度地物、植被和裸土组成，运用线性光谱混合模型提取不透水面信息。

Study on Relationship between Vegetation Index Change and Surface Albedo

植被指数变化与地表反照率的关系研究&以海南岛西部为例

Considering the effects of solar altitude angle and soil water content, a two-factor parameterization formula of surface albedo was developed preliminarily.

据此，建立了内蒙古荒漠草原晴天地表反照率随太阳高度角与土壤含水量变化的双因子参数化方案。

Cloudy areas can also be areas of radiation deficit because of their higher albedo.

有云区也可能是输射亏损区,因为云有较高的反照率.

Clearing the shrubbery increases local albedo, or reflective value.

灌木丛被清理之后，当地地表的反射率或是反射值提高。

Monthly Mean Surface Albedo Estimated From NCEP/ NCAR Reanalysis Radiation Data

用NCEP/NCAR再分析辐射资料估算月平均地表反照率

The remote sensing data of FY 1C visible channels in the Dunhuang test area in two years are used to analyze the channels' albedo attenuation. At the same time, some correction experiments have been conducted.

利用FY1C连续两年的遥感资料，以敦煌辐射校正场为分析区，系统分析了FY1C可见光、近红外通道的衰减特征，开展了通道衰减订正试验。

The required input to the parameterization includes precipitable water, concentration of carbon dioxide amount, ozone amount, cloud amount, cloud visible optical depth, solar zenith angle and surface albedo.

计算所需要的输入变量有：大气可降水量，二氧化碳含量，臭氧总量，云量，云的光学厚度，太阳天顶角，地表反射率。

The results of albedo have higher precision than that get by traditional method.

得到了比传统方法精度更高的结果。

Sensitivity of tropical land climate to leaf area index: role of surface conductance versus albedo.

热带陆地气候对叶面积指数的敏感性：地面传导与反照率的作用。

RSCAM program system, using Monte Carlo method with albedo approach, is used to calculate streaming neutron radiation field in reactor cavity and containment operating hall.

用具有反照率近似的蒙特卡罗方法编制的RSCAM程序系统计算反应堆堆腔内及安全壳操作大厅中的中子辐射场。

Using this equation and the soil albedo image and the soil temperature difference image, a soil thermal inertia image was obtained.

借助此回归方程和所生成的土壤反照率图和土壤温差图可以生成真实土壤热惯量图。

The presented studies focus on the albedo and transmissivity of cirrus with different optical depth under ambient temperature of-20-25 ℃ at four solar radiative wavelength.

本文着重研究了环境温度为-20&-25℃时，不同光学厚度的卷云在4种太阳辐射波长的通量反射率和透射率。

Experimental study on the influence of albedo to building thermal environment

反照率影响建筑热环境的实验

On sunny days, the surface albedo decreased with the increase of solar altitude angle, and it almost became a constant when solar altitude angle was more than 40 °.

晴天地表反照率随太阳高度角的增大而减小，当太阳高度角大于40°时，地表反照率趋于稳定。

Not affected by colors or albedo. Any objects can be detected.

不受颜色及反射率的影响,可来测全何被测物.

Specifically for complicated antenna structure, in order to improve accuracy and speed for calculating outer thermal flux of the earth albedo and emitted radiation, it has suggested that the approach adopt the Monte-Carlo method to calculating outer thermal flux of the space-borne antenna. 3.

对于复杂天线结构，为提高计算地球反照辐射和地球红外辐射外热流的精度和速度，提出了采用蒙特卡洛法计算星载天线表面轨道外热流的原理和方法。

Albedo is bigger over Gobi site than that over Oasis site. Variation of albedo with solar zenith angle is mainly caused by near-infrared albedo.

绿洲上的反射率小于戈壁上的，戈壁上反射率随太阳天顶角的变化主要是由近红外波段反射率随太阳天顶角的变化引起的；

If the stellar spectrum is known, the albedo of the dust can be obtained.

如果恒星的光谱已知, 就可得出尘埃的反照率.

The space optical remote sensor is influenced by the solar radiation, albedo, earth emitted infrared and other heat sources as flying in the heat dreariness astrospace.

空间光学遥感器在轨运行过程中要承受太阳辐射和空间冷热沉、黑热沉等恶劣温度环境的影响。

A new method of surface albedo inverse model based on energy transmission

基于能量的地表反照率遥感反演方法研究

This model mainly depends on the parameters below: surface albedo, surface roughness coefficient, moisture available coefficient of soil, thermal capacity and thermal diffusion coefficient of terrain, cloudage.

模式主要依赖于以下参数和物理量：地面反照率、下垫面粗糙度、土壤的可含水量、下垫面的热容量和热扩散系数、云量等参数。

These bands must introduce longitudinal asymmetry in the planetary albedo.

这些云带必定引起行星反照率的经向不对称性.

Therefore, with few studies of monthly mean surface albedo, the method presented in this study is relatively rational to estimate monthly mean surface albedo by using NCEP/ NCAR reanalysis radiation data and land use cover map.

因此，在目前气候要素之一的多年平均的地表反照率研究较少的情况下，利用多年平均NCEP NCAR再分析资料与土地利用类型图进行回归处理不失为是一种相对合理的方法。

The effect of the surface albedo is considered secondly as an error correction so as to obtain the net solar radiation at various surface albedos.

然后将地表反射率的影响作为误差项进行订正，从而得到各种地表反射率条件下的晴天地表太阳净辐射的计算方法。

The surface albedo had a typical exponential relationship with solar altitude angle. The linear or exponential relationship existed between surface albedo and soil water content.

晴天地表反照率与太阳高度角呈指数关系，与土壤含水量呈指数或线性关系，两者共同解释了地表反照率变化的68%左右。