| 一次新的厄尔尼诺事件即将形成 |
| 作者：宋家喜 |
| 单位：国家海洋环境预报中心 |
| 关键词：南极中山站 气象观测 天气预报 |
| 分类号： |
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| 出版年·卷·期（页码）：1997·14·第二期（81-82） |
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摘要：
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| 在1991~1995年的五年中,赤道东太平洋共发生了三大厄尔尼诺事件,即1991年5月至1992年6月,1993年3月至10月,1994年10月至1995年2月。也有人认为是一次长厄尔尼诺事件。这是自有资料以来极其罕见的现象。厄尔尼诺事件的发生,对全球的气候异常造成显著的影响,因此加强对厄尔尼诺的监测和预测,具有十分重要的意义。 |
| Nimbus-7 Satellite Microwave Radiance Data Provided by American National Snow and Ice Data Center(NSIDC)and American Defence Meteorological Satellite Brightness Temperature Data,namely SMMR(Dec.,1978-Aug.,1987)and SSM/I(1987-1995)are used to be data assimilation processedg in this paper.The method for getting grid data of sea ice concentration from brightness temperature data and their afterward process are introduced.Based on these,the sea ice database is created.There are many aspects in the sea ice database,which includes:(1)the sea ice concentration continuing display system on the basis of every day,every ten days or every month continuously.(2) the sea ice northerm edges with the sea ice concentration greater than 30 percent and 70 percent,and the transitive region of sea ice edges in which the ice concentration is greater than 30% and less than 70%.(3) the net sea ice area index and its anomaly variation.(4)many kinds of software used to process the sea ice data and predict or research on the sea ice variation.(5) the results can be outputed in many ways:image,table and database. |
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