“21世纪海上丝绸之路”的海洋环境研究——印度洋海表风速变化趋势
文章利用ERA-40海表10m风场,采用一元线性回归方法,计算印度洋海表风速在45年间（1957年9月至2002年8月）的逐年变化趋势,为＂21世纪海上丝绸之路＂建设、海上风能开发和全球气候变化研究等提供科学依据。研究表明：海表风速呈显著性逐年递增的区域主要分布于25°S—10°N的海域和南半球咆哮西风带所控制的海域,递增趋势为0.01~0.035m·s-1·a-1,仅零星海域呈显著性递减趋势,其余海域的海表风速无显著变化趋势;南、北印度洋的海表风速分别以0.010 2m·s-1·a-1和0.004 7m·s-1·a-1的速度显著性逐年线性递增,年平均海表风速分别在7.5m·s-1左右和5.2...
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| Published in | 海洋开发与管理 Vol. 35; no. 2; pp. 78 - 81 |
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| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
海洋出版社有限公司
28.02.2018
河口海岸学国家重点实验室 上海 200062 海军大连舰艇学院 大连 116018%海军大连舰艇学院 大连 116018 中国科学院大气物理研究所 LASG 国家重点实验室 北京 100029%江苏省国际科技合作中心 南京 210041%解放军 92212 部队 青岛 266002 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1005-9857 |
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| Summary: | 文章利用ERA-40海表10m风场,采用一元线性回归方法,计算印度洋海表风速在45年间（1957年9月至2002年8月）的逐年变化趋势,为＂21世纪海上丝绸之路＂建设、海上风能开发和全球气候变化研究等提供科学依据。研究表明：海表风速呈显著性逐年递增的区域主要分布于25°S—10°N的海域和南半球咆哮西风带所控制的海域,递增趋势为0.01~0.035m·s-1·a-1,仅零星海域呈显著性递减趋势,其余海域的海表风速无显著变化趋势;南、北印度洋的海表风速分别以0.010 2m·s-1·a-1和0.004 7m·s-1·a-1的速度显著性逐年线性递增,年平均海表风速分别在7.5m·s-1左右和5.2m·s-1左右;南、北印度洋存在共同的2.6~2.7a和5.2a的变化周期以及26a以上的长周期变化,且海表风速的突变期分别为1989年和1978—1980年。 |
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| Bibliography: | Indian Ocean, Sea surface wind speed, Abrupt, Marine environment, 21 st Century Mar-itime Silk Road By using the ERA-40 sea surface wind field（10 m）,the year-by-year changing trend of the Indian Ocean＇s wind speed in the period of 1957.09—2002.08 was calculated,in hope of pro-viding scientific support for exploiting wind power and studying global climate changes.The main conclusions were followed：During the past 45 years,the Indian Ocean with a significant year-byyear increasing trend were mainly found on waters between 25°S—10°N,and the westerly belt waters of the Southern Hemisphere,with a significant increasing trend of about 0.01~0.035 m·s-1·a-1.Only a very few seas showed a significant decreasing trend,while the rest seas exhibited no significant changing trend.The sea surface wind speed of southern and northern Indian Ocean had a significant increasing trend of 0.010 2 m·s-1·a-1,0.004 7 m·s-1·a-1 separately.The southern and northern Indian Ocean had a common period of 2.6~2.7 years,5.2 years,and long ter |
| ISSN: | 1005-9857 |