通过GERB和SEVIRI的辐射和通量测量的云场景精度

IEEE 1999 International Geoscience and Remote Sensing Symposium. IGARSS'99 (Cat. No.99CH36293) Pub Date : 1999-06-28 DOI:10.1109/IGARSS.1999.774454

O. Sievers, R. Stuhlmann

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引用次数: 0

摘要

第二代气象卫星(MSG)的第一颗卫星计划在2000年底发射，卫星上载有地球辐射预算仪(GERB)和多通道仪(SEVIRI)。MSG将是第一颗在地球静止轨道上同时携带多通道窄带和宽带仪器的卫星，从而实现高时间分辨率。每隔15分钟，就可获得整个地球静止轨道可见区域的总光谱带和太阳光谱带以及12个窄带的完整数据集。这个独特的机会将使我们能够研究地球辐射收支的日循环及其对不同大气场景的依赖。在这项发射前的研究中，测量是用辐射传输模型(STREAMER)模拟的。辐射散度的垂直剖面是由这两种MSG仪器与其他极轨卫星协同进行的模拟测量得出的。主要的焦点是云和辐射的相互作用。

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Cloud scene accuracy by radiance and flux measurements from GERB and SEVIRI

The first Meteosat Second Generation (MSG) satellite with an Earth radiation budget instrument (GERB) and a multi-channel instrument (SEVIRI) aboard is planned to be launched in late 2000. MSG will be the first satellite carrying both a multichannel narrowband and a broadband instrument in a geostationary orbit which allows a high temporal resolution. Every 15 minutes a complete dataset of total and solar spectral band and 12 narrowbands is obtained for the whole area visible from geostationary orbit. This unique opportunity will allow to investigate the diurnal cycle of the Earth radiation budget and its dependence on different atmospheric scenes. In this pre-launch study, measurements are simulated with a radiation transfer model (STREAMER). Vertical profiles of radiation divergence are derived from these simulated measurements of both MSG instruments, in synergy with other, polar orbiting satellites. The main focus is on cloud and radiation interaction.

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IEEE 1999 International Geoscience and Remote Sensing Symposium. IGARSS'99 (Cat. No.99CH36293)

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