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  • 软件名称:基于逐次散射法的海洋—大气矢量辐射传输模式
  • 软件大小: 0.00 B
  • 软件评级: ★★★
  • 开 发 商: 李姣,段民征,覃军
  • 软件来源: 《遥感技术与应用》
  • 解压密码:www.gissky.net

资源简介

摘要: 首先推导了粗糙洋面双向偏振反射模型pBRDF(Bidirectional Polarized Reflectance Distribution Function),并将其与SOSVRT(Successive Order of Scattering Radiative Transfer)矢量辐射传输模式耦合,建立了海洋—大气耦合的矢量辐射传输模式,并对该耦合模式的模拟结果与前人模拟结果进行对比,验证了该耦合模式的可靠性与有效性。不同大气和洋面状态、不同高度的主平面内辐射强度和偏振度的模拟结果表明:pBRDF模型可以很好地模拟不同风速下洋面的偏振反射分布特征;洋面在特定角度具有很高的偏振度,并对大气顶的偏振辐射有很大影响。因此,该耦合模式可以更准确地处理辐射光谱在海洋—大气两种介质间的传输问题,对矢量辐射传输、大气遥感问题的研究有重要意义。 关键词: 辐射传输;  逐次散射法;  海表;  偏振     Abstract: The polarized Bidirectional Reflectance Distribution Function (pBRDF) for the rough ocean surface was deduced and was coupled with the Successive Order Scattering Vector Radiative Transfer model(SOSVRT).The SOSVRT-pBRDF model has been tested against with other existing models and demonstrated its accuracy.Some study results were computed by the coupled model are given.It is shown that,the pBRDF model could compute the polarized reflectance characteristics of the rough ocean surface well;the degree of polarization on the ocean surface is high in specular reflection direction and affects the polarization intensity at the top of the atmosphere significantly.By adding the polarization boundary condtion,the SOSVRT-pBRDF model may compute the radiation spectrum in the ocean\|atmosphere system more accurately,it is of very important for the remote sensing in the earth-atmosphere system.

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