| 南海不同海区叶绿素a和海水荧光值的垂向变化 |
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| 引用本文： | 黄良民.南海不同海区叶绿素a和海水荧光值的垂向变化[J].热带海洋学报,1992(4). |
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| 作者姓名： | 黄良民 |
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| 作者单位： | 中国科学院南海海洋研究所 广州 |
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| 摘 要： | 本文根据1985—1990年的实测资料,探讨南海某些海区叶绿素a和海水荧光值的垂向变化特征及其与某些环境因子的关系。结果表明,南海南部、东沙群岛附近(夏季)、巴士海峡西部和台湾海峡南部海区的叶绿素a和荧光值的垂向变化曲线以单峰型为主,次表层出现较高值,认为与温跃层、营养盐和溶解氧的垂直梯度有关。采用最小二乘拟合法,得出南海南部和东沙群岛附近海区叶绿素a和荧光值的垂向变化计算公式。
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| 关 键 词： | 叶绿素a 海水荧光值 垂向变化 南海 |
VERTICAL VARIATIONS OF CHLOROPHYLL A AND FLUORESCENCE VALUES OF DIFFERENT AREAS IN SOUTH CHINA SEA |
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| HUANG Liangmin.VERTICAL VARIATIONS OF CHLOROPHYLL A AND FLUORESCENCE VALUES OF DIFFERENT AREAS IN SOUTH CHINA SEA[J].Journal of Tropical Oceanography,1992(4). |
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| Authors: | HUANG Liangmin |
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| Abstract: | Based on data obtained between 1985 and 1990, the present paper deals mainly with vertical distribution of chlorophyll a and fluorescence values in different regions of South China Sea, as well as the relationships between chlorophyll a and some environmental factors there. The results indicated that the vertical variations of chlorophyll a and fluorescence values followed a curve with one peak in the waters of southern South China Sea and near Dongsha Islands. Higher values appeared at the subsurface, with maximum in the water depth of 75m and 50m during summer and winter respectively. Lower values were found at the surface and below 100m depth. Vertical models of chlorophyll a and fluorescence values were established by statistical methods. From the waters of southern Taiwan Strait, maximum occurred at 25m. While chlorophyll a content in the western area of Bashi Channel increased with increasing water depth within 75m. The studied results showed that verticel distribution of chlorophyll a were closely correlated with nutrient, thermocline and habit of phytoplankton in different areas of South China Sea,which would be helpful for further researching the biological oceanography and the exploitation of marine resources in South China Sea. |
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| Keywords: | chlorophyll a fluorescence values vertical variations South China Sea |
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