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首页> 外文会议>Remote Sensing of Clouds and the Atmosphere XII; Proceedings of SPIE-The International Society for Optical Engineering; vol.6745 >Remote sensing of precipitable water vapour and cloud cover for site selection of the European Extremely Large Telescope (E-ELT) using MERIS
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Remote sensing of precipitable water vapour and cloud cover for site selection of the European Extremely Large Telescope (E-ELT) using MERIS

机译：使用MERIS对可降水量的水汽和云层进行遥感，以选择欧洲极大型望远镜（E-ELT）

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摘要

Remotely sensed data can be of great interest for the site selection of astronomical observatories. In particular, candidate sites of the future European Extremely Large Telescope (E-ELT) of 30-60 m diameter from ESO need to be assessed and analytically compared in their observing characteristics. Parameters such as cloud cover and precipitable water vapor which are important for optical and infrared astronomical observations have been assessed with the MEdium Resolution Imaging Spectrometer (MERIS) instrument on the Envisat satellite with a resolution of 1km pixel. A validation of the data was made by comparing MERIS data and in situ measurement available from ESO observatories in Chile, La Silla and Paranal, combined with lower resolution values from the GOES weather satellite. A detailed analysis of daytime cloud cover from 2002 to 2006 at four sites under study both in the northern and in the southern hemisphere for the E-ELT is presented.
机译：遥感数据可能对天文台的选址非常重要。特别是，未来的距ESO直径为30-60 m的欧洲超大型望远镜（E-ELT）的候选站点需要进行评估，并对其观测特征进行分析比较。对于光学和红外天文观测非常重要的参数，例如云量和可沉淀水汽，已通过Envisat卫星上的MEID分辨率成像光谱仪（MERIS）仪器进行了评估，分辨率为1 km像素。通过比较MERIS数据和智利，La Silla和Paranal的ESO天文台提供的原位测量值，再加上GOES气象卫星的较低分辨率值，对数据进行了验证。本文详细介绍了2002年至2006年在北半球和南半球正在研究的E-ELT四个站点的白天云量。

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