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风云二号系列卫星“收官” 七大关注点一一解读

2018-06-05 22:46:02    新华网

新华社西昌6月5日电 题:风云二号系列卫星“收官” 七大关注点一一解读

新华社记者刘诗平、白国龙

5日21时07分,我国风云二号H星在西昌卫星发射中心成功发射。H星是我国第一代静止轨道气象卫星的最后一颗,“风云家族”有哪些风云历史?风云系列卫星之间如何配合?卫星发射时最怕出现哪种天气状况?我国还将发射哪些气象卫星?新华社记者采访多位权威专家一一解读。

  关注一:“风云家族”有哪些风云历史——“风云家族”成东半球气象预报主力

国防科工局系统工程司副司长赵坚说,经过40多年发展,我国已成功发射17颗风云气象卫星,形成了风云一号、风云三号极轨气象卫星和风云二号、风云四号静止轨道气象卫星两大系列,并实现了升级换代。

算上风云二号H星,目前有8颗风云气象卫星在轨运行。风云系列被世界气象组织列入国际气象业务卫星序列,正在为全球80多个国家和地区、国内2500多家用户提供卫星资料和产品。目前东半球的气象预报主要靠我国和日本的气象卫星提供相关资料。

中国气象局国家卫星气象中心副主任、风云二号卫星地面应用系统总指挥魏彩英说,风云二号系列卫星应用技术不断提高,成为我国定量化应用最好的卫星。卫星资料和产品广泛应用于生态文明建设、防灾减灾、应对气候变化等领域,特别在台风、暴雨、大雾、沙尘暴等监测预警中发挥了重要作用。

关注二:H星轨道如何实现调整——4个月在轨测试后向西调整

赵坚说,2018年4月,国家航天局、中国气象局与亚太空间合作组织签署关于开展风云气象卫星应用合作的意向书,把风云二号H星的定点位置调整为东经79度,观测覆盖区域拓展至亚太空间合作组织成员国和“一带一路”沿线国家,以有效增强这些国家和地区在天气、气候、生态环境监测方面的能力。

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