北部湾海域叶绿素a质量浓度时空分布研究

doi:10.3969/j.issn.1001-909X.2019.02.010

海洋学研究 ›› 2019, Vol. 37 ›› Issue (2): 95-102.DOI: 10.3969/j.issn.1001-909X.2019.02.010

• 研究报道 • 上一篇

北部湾海域叶绿素a质量浓度时空分布研究

刘大召^1,2, 晁俏利¹

1.广东海洋大学电子与信息工程学院,广东湛江 524088;
2.南方海洋科学与工程广东省实验室(湛江) 南海资源大数据中心,广东湛江 524088

收稿日期:2018-11-02 修回日期:2019-05-09 出版日期:2019-06-15 发布日期:2022-11-15
作者简介:刘大召(1972-),男,河南平顶山市人,副教授,主要从事海洋水色遥感方面的研究。E-mail:llddz@163.com
基金资助:
国家自然科学基金项目资助(41340049);广东省科技计划项目资助(2016A020222016);南方海洋科学与工程广东省实验室(湛江)(湛江湾实验室)自主立项项目(ZJW-2019-08);广东海洋大学创新强校项目资助(Q16147);广东海洋大学项目资助(C14152, C15403, C17077)

Study on the spatial and temporal distribution of chlorophyll a concentration in Beibu Gulf

LIU Da-zhao^1,2, ZHAO Qiao-li¹

1. School of Electronics and Information Technology, Guangdong Ocean University, Zhanjiang 524088, China;
2. Marine Resources Big Data Center of South China Sea, Southern Marine Science and Engineering Guangdong Laboratory (Zhanjiang), Zhanjiang 524088, China

Received:2018-11-02 Revised:2019-05-09 Online:2019-06-15 Published:2022-11-15

摘要/Abstract

摘要： 叶绿素a质量浓度是水体富营养化的重要指标,及时和有效地对水体叶绿素a质量浓度进行监测和评价,对环境保护十分必要。本文基于2011年至2016年的卫星遥感数据,分析了北部湾海表叶绿素a质量浓度的时空分布特征。研究结果表明:北部湾叶绿素a质量浓度有明显的月变化和季节性变化,北部湾叶绿素a月平均质量浓度在8月和1月分别达到峰值,北部湾冬季与夏季的叶绿素a季平均质量浓度高于春季和秋季,夏季北部湾海域表层的叶绿素a质量浓度开始迅速升高,秋季北部湾中南部叶绿素a质量浓度呈下降的趋势。在空间分布上,北部湾近岸海域叶绿素a质量浓度平均水平较高,叶绿素a质量浓度高值区集中在湾北部雷州半岛西部沿岸的浅水区海域,而低值区在湾中部以及湾南部的深水区海域。

关键词: 叶绿素a, 北部湾, 时空分布

Abstract: chlorophyll a concentration is an important index of eutrophication. It becomes very necessary to timely and effectively monitor and evaluate the water chlorophyll a concentration for the environmental protection. Based on the satellite data from 2011 to 2016, the temporal and spatial distribution characteristics of the sea surface chlorophyll a concentration in the Beibu Gulf were analyzed. The results show that the chlorophyll a concentration in the Beibu Gulf has obvious monthly and seasonal variation, the monthly average chlorophyll a concentration reaches its peak in August and January, respectively, the average chlorophyll a concentration in the Beibu Gulf during winter and summer is higher than that during the spring and autumn, the chlorophyll a concentration in the Beibu Gulf sea surface begins to rise rapidly in summer, and the chlorophyll a concentration in the central and southern part of the Beibu Gulf slightly descend in autumn. In the spatial distribution, in the coastal waters of Beibu Gulf, the average chlorophyll a concentration is relatively higher, the high value area of chlorophyll a concentration is basically in the shallow water area along the western coast of the Leizhou Peninsula in the northern part of the Beibu Gulf, while the low value area lies in center and the deep waters of the south of the Gulf.

Key words: Chlorophyll a, Beibu Gulf, temporal and spatial distribution

中图分类号:

P714.5

刘大召, 晁俏利. 北部湾海域叶绿素a质量浓度时空分布研究[J]. 海洋学研究, 2019, 37(2): 95-102.

LIU Da-zhao, ZHAO Qiao-li. Study on the spatial and temporal distribution of chlorophyll a concentration in Beibu Gulf[J]. Journal of Marine Sciences, 2019, 37(2): 95-102.

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北部湾海域叶绿素a质量浓度时空分布研究

Study on the spatial and temporal distribution of chlorophyll a concentration in Beibu Gulf

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