地面反射率

近年来我国地面反射率的若干重要特征

Some important charateristics of surface albedo of China in recent years

青藏高原地面反射率变化的研究

The study on the variation of the surface albedo over the Qinghai-Xizang Plateau

每次较强的降雪均可造成该地区地面反射率一次较长时间的异常，从而改变地面热源的强度和符号。

Each snowfall may cause the abnormality of surface albedo for a long time .

研究结果有助于改进气候模式和卫星遥感中高原地面反射率的参数化方案。

The results are helpful to improve the parameterization schemes of surface albedo in climate model and satellite remote sensing .

地面反射率与行星反射率之间存在复杂的非线性关系，利用模糊神经网络来模拟这种非线性关系。

Fuzzy neural networks ( FNNs ) can simulate the non-linear relation that the ground reflectivity and the planet reflectivity .

利用一个简化的辐射平衡模式，讨论了气溶胶直接辐射强迫和气溶胶辐射特性以及与地面反射率之间的关系。

A simple radiation balance model was used to simulate the variation of the aerosol direct radiative forcing with aerosol optical properties and surface reflectance .

通过两个模式的数值模拟，分析了气溶胶的垂直非均一对向上天空亮度和卫星遥感地面反射率的效应。

In this peper , effects of the aerosol vertical inhomogeneity on upwelling radiance and satellite remote sensing of surface reflectance are analyzed through numerical simulations by using two models .

本文根据地面反射率变化的原因，将其分解为自身变化、随机变化和随太阳高度角变化三种形式。

Based on the physical cases of the surface albedo variation it could be divided into 3 types , i.e. self - , random variations and the variation with the sun 's altitude .

与实测的降水比较分析中可以看到，这种方法对提高估测区域性降水的精度都有效果；对于强对流性降水区域，只须用拟合法得到的地面反射率因子值估测地面降水即可。

Compared with gauges records , the proposed method shows its capability to improve the precision of precipitation estimation in a regional scale , however , for the case of intensive convective precipitation , only the LSM is applicable .

多角度NOAA卫星数据地面BRDF反射率的大气校正

Atmosphere Correction of Multi-angle NOAA Data Based on BRDF Reflectance

基于TM/ETM+遥感数据的地面相对反射率反演

Retrieve of earth reflection base on the remote sensing data of tm / etm

在可见光、近红外光谱范围内，地面光谱反射率随波长增加逐步增大，例如，在485nm波长处的地面反射率值约为0.18，在830nm波长处的反射率值约为0.26。

The ground reflectance increases progressively from 0.18 at 485 nm to 0.26 at 830 nm .

基于地面测量的反射率反演方法属于理论与经验相结合的方法，也是目前用于SSC定量化遥感模式研究的常用方法。

The ground reflectance inversion methods for SSC are of a combination of theory and experience , which are employed intensively .

建立的地面测量光谱反射率与水质参数之间的线性关系模型，进行系数调整后，应用于高光谱图像转换的反射率反演水质指标，实现应用高光谱图像对河流水质进行分类的目标。

Linearity retrieval model were built with the water quality parameters and ground measured spectral reflectance , and the coefficients were adjusted when applied to retrieve the water quality from images .

利用1958&1960年中国地区的一些地面总辐射和反射率观测资料，以及本文计算的大气中各种吸牧能量，讨论了中国地区行星反射率的分布和地球大气系统中各种太阳辐射能的收支。

Utilizing the data of the surface total radiation and reflection in China during 1958-1960 and the atmospheric absorption energy computed in this paper we have discussed the distribution of planetary albedo in China and the budget of solar radiation energy of the Earth and the atmosphere .

亦即地面辐射平衡的地理分布形式由地理纬度和地面反射率所决定，但正、负中心的数值还受天空遮蔽状况的影响。

In other words , the spatial distribution pattern of surface radiation balance over the plateau is decided on the geographic latitude and surface albedo , but the amounts of both positive and negative value areas are affected by cloud cover .

结果表明，地面覆膜、覆秸秆和种植三叶草条件下，地面反射率提高，增加了冠层净辐射，树冠下层接受的反射辐射分别较对照提高69.1%、48.0%和35.7%；

The results showed that the reflecting rate of ground and net radiation increased . The reflecting radiation below tree crown from ground increased by 69 . 1 % , 48 . 1 % and 35 . 7 % by covering membrane , straw pole and T.

地面紫外辐射通量密度和生物紫外辐射剂量可以由臭氧层的等效透过率、散射层和地面的联合反射率计算。

The surface UVB irradiance and erythemal UVB dose rate can be expressed by the effective transmission of the ozone layer and united reflectivity due to the scattering layer and the surface .