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引用本文:单毅春,张义钧,杜兵.海洋岛西侧扇贝养殖区夏季水温连续变化特征的分析.海洋与湖沼,1996,27(5):562-566.
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海洋岛西侧扇贝养殖区夏季水温连续变化特征的分析
单毅春, 张义钧, 杜兵
国家海洋信息中心 天津 300171
摘要:
利用最新研制的测温链浮标,根据1994年6-8月在辽宁省长海县海鲜岛扇贝养殖区现场连续观测的水温实测数据,分析该区域水温连续变化特征。分析结果表明:在0-10m范围内,水温存在着极为频繁的急剧变化,而且水温的连续变化与潮位的变化基本相同。通过时间序列频谱分析可以看出,水温波动存在着明显的潮周期特征,并且水温剧烈波动的时间与扇贝出现大量死亡的时间相吻合。
关键词:  测温链浮标  水温变化  潮位
DOI:
分类号:
基金项目:辽宁省海洋科学技术研究项目资助,92134014号
附件
ANALYSIS OF CONTINUOUS WATER TEMPERATURE CHANGE IN WESTERN HAIYANG ISLAND’S SCALLOP CULTURE AREA DURING SUMMERTIME
Shan Yichun, Zhang Yijun, Du Bing
National Marine Data and Information Service, Tianjin 300171
Abstract:
A newly developed moored thermometer—chain was first used for continuous observation of water temperature from June to August, 1994 in the scallop culture area of Haiyang Island, Changhai County, Liaoning Province.

Observational data on the features of the water temperature continuous change were analysed and compared with the synchronous change of the tidal. level. The results showed that the water temperature underwent frequently rapid changes between 0 - 10m depth, and that the diurnal change of the water temperature and the tidal level were basically indentical. Frequency spectrum analyses of the water temperature time series showed that the wavy variation of the water temperature had the distinct features of the tidal period.

This study revéaled high scallop mortality in the off western Haiyang Is land upper to middle layer waters with frequently rapid wavy variation of temperature.

Key words:  Moored thermometer chain, Water temperature variation, Tidal level
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