| 强对流降水云团的云图特征分析 |
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| 引用本文： | 卢乃锰,吴蓉璋.强对流降水云团的云图特征分析[J].应用气象学报,1997,8(3):269-275. |
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| 作者姓名： | 卢乃锰 吴蓉璋 |
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| 作者单位： | 1.国家卫星气象中心 |
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| 基金项目： | “八五”国家科技攻关项目 |
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| 摘 要： | 对1992～1994年夏季四川、湖北、河南3省333个地面雨量站2万多个雨量观测数据以及与之相应的4千余幅GMS-4红外数字云图资料的分析结果表明，云顶温度、温度梯度、云团的膨胀、穿透性云顶的存在、云体相对于云团中心的偏离量与云的降水强度有着明显的对应关系。在不同的地区，这种对应关系有所不同。
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| 关 键 词： | 强对流云团 云图的特征量 降水量 |
Strong Convective Cloud Characteristics Derived from Satellite Cloud Picture |
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| Lu Naimeng,Wu Rongzhang.Strong Convective Cloud Characteristics Derived from Satellite Cloud Picture[J].Quarterly Journal of Applied Meteorology,1997,8(3):269-275. |
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| Authors: | Lu Naimeng Wu Rongzhang |
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| Affiliation: | 1.(National Satellite Meteorological Center, Beijing 100081) |
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| Abstract: | In order to get the strong convective cloud characteristics exhibiting in satellite images, about 20000 hourly gauge data of 333 surface rainfall stations and corresponding 4000 IR digital cloud images of GMS-4 during the period of 1992~1994 in Henan, Hubei and Sichuan Provincess were analyzed. The results show that the cloud top temperature, the temperature gradients, the expansion of a convective cloud cluster, the occurrence of overshooting tops and the normalized distance from a cloud-covered area to the cluster center have correspondent relations to the cloud precipitation. These relations could vary with different geographical regions. |
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| Keywords: | Strong convective cloud cluster Characteristics of satellite image Rainfall amount |
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