| 渤、黄海北部海冰年代时空变化特征分析 |
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| 引用本文： | 王相玉,张惠滋,严素,温连杰,郭可彩,袁本坤,商杰.渤、黄海北部海冰年代时空变化特征分析[J].海洋预报,2007,24(2):26-32. |
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| 作者姓名： | 王相玉 张惠滋 严素 温连杰 郭可彩 袁本坤 商杰 |
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| 作者单位： | 国家海洋局北海预报中心,青岛,266003 |
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| 摘 要： | 本文取上世纪后50年至2003年度冬季渤海地区气温作为与渤海冬季冰情有关的气候指标。分析得出,渤海地区冬季气温随着年代呈上升趋势,特别是80年代中期至本世纪初尤为明显。受其影响,渤海冬季的冰情时空分布状况发生了较大变化。其特点是:初冰日较多年平均值推后、终冰日较多年平均值提前,冰期较多年平均值偏短,冰厚较多年平均值偏薄,结冰范围(沿岸固定冰宽度和浮冰外缘线)较多年平均值偏小,甚至有些海区已多年未曾见到海冰了。
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| 关 键 词： | 海冰年代 时空变化 统计分析 |
| 文章编号： | 1003-0239(2007)2-0026-07 |
| 修稿时间： | 2006-06-20 |
The characteristic of the spatio-temporal transformation of the sea-ice in northern Part of the BO-HAI sea and the Yellow sea |
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| WANG Xiang-yu,ZHANG Hui-zi,YAN Su,WEN Lian-jie,GUO Ke-cai,YUAN Ben-kun,SHANG Jie.The characteristic of the spatio-temporal transformation of the sea-ice in northern Part of the BO-HAI sea and the Yellow sea[J].Marine Forecasts,2007,24(2):26-32. |
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| Authors: | WANG Xiang-yu ZHANG Hui-zi YAN Su WEN Lian-jie GUO Ke-cai YUAN Ben-kun SHANG Jie |
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| Institution: | North China Sect Marine Forecasting Center, Ben-loan, SHANG Jie SOA, Qingdao, Shandong, 266033 China |
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| Abstract: | By using the winter air temperature data of the Bo-hai sea area from 1951 to 2003 for the climate guideline of the ice condition.Then seek out that the winter air temperature of the Bo-hai sea area goes up year after year,especially from 1980s to this early century.It result in biggish movement of the spatio-temporal transformation of the Bo-hai sea ice.The characteristic is that,the early ice day delays than the long-term mean,the end ice day is ahead of the long-term mean,the ice age is shorter,the thickness of the ice is thinner,the range of the ice is smaller.Some sea area does not appear sea-ice for several years. |
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| Keywords: | Period of the sea-ice Spatio-temporal transformation Statistical analysis |
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