| 940 nm水汽通道反射率计算试验 |
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| 引用本文： | 黄意玢,董超华,等.940 nm水汽通道反射率计算试验[J].应用气象学报,2002,13(4):413-421. |
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| 作者姓名： | 黄意玢 董超华 |
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| 作者单位： | 国家卫星气象中心, 北京, 100081 |
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| 基金项目： | 本项研究得到FY-3气象卫星预研究课题资助. |
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| 摘 要： | 利用近红外波段大气与辐射的相互作用解决用红外波段不容易遥测低层水汽的问题。选用940 nm水汽弱吸收带进行通道反射率计算试验，分析其对不同环境参数的敏感性。结果表明，940 nm附近通道的辐射信号携带了整层大气水汽信息，有可能用来获取大气水汽总量。
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| 关 键 词： | 水汽通道 反射率 敏感性试验 |
| 收稿时间： | 2001-01-15 |
| 修稿时间： | 2001年1月15日 |
Computing Test on the Reflectance in 940 nm Water Vapour Channel |
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| Huang Yibin Dong Chaohua Liu Zhiquan Pan Ning.Computing Test on the Reflectance in 940 nm Water Vapour Channel[J].Quarterly Journal of Applied Meteorology,2002,13(4):413-421. |
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| Authors: | Huang Yibin Dong Chaohua Liu Zhiquan Pan Ning |
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| Institution: | National Satellite Meteorological Center, Beijing 100081 |
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| Abstract: | Based on the interaction between atmosphere and radiance in the near infrared band,conducted is the remote sensing of low-level water vapor, a problem that is hard to solve through the infrared band. The reflectance in 940 nm channel, which is in a weak water vapor absorption spectral band, is calculated, and its sensitivities to various environmental parameters are analyzed. The results show that signals from channels in the 940 nm band carry water vapor information from the whole atmosphere. The water vapor amount can be probably retrieved from it. |
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| Keywords: | Water vapor Channel reflectance Sensitive experiment |
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