中国FY-1B卫星海洋通道应用于水色遥感的潜力研究
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摘要: 1990年9月3日,中国成功地发射了第2颗“风云1号”气象卫星FY-1B.当时,正好中方科学家在德国研技部GKSS研究中心,参加中德海洋水色遥感合作研究.FY-1B上的海洋通道引起了中德双方科学家的浓厚兴趣,立即从事FY-1B的图像处理,应用于海洋水色遥感潜力研究.通过一系列FY-1B模拟数字条辐图像和在德国实际接收到的图像,评价了FY-1B卫星所安装的高分辨率扫描辐射机(VHRSR)的两个海洋通道(480～530和530～580nm)图像的利用率和辐射分辨率;研究表明,VHRSR的波段配置科学地结合了气象和海洋两者的应用.两海洋通道资料可以有效地应用于海洋沿岸水体的悬浮泥沙浓度和大洋水体的叶绿素a浓度的测量.为了今后中国气象卫星上加海洋通道获得更佳应用效果,本文最后提出了一些新建议.
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